Asteroid-Asteroid Appulses - 2021 September


All dates and times are Universal Time
Positions are geocentric J2000 and include planetary perturbations and proper motion
The first asteroid in the pair is the brighter of the two
Separations are in arcseconds, Position Angle is from the brighter asteroid to the fainter
Calculations by Brian D. Warner
 
Asteroid < mag 16; Elong from Sun > 45

Ast 1:   Asteroid 1 Number
Name 1:  Asteroid 1 Name
Ast 2:   Asteroid 2 Number
Name 2:  Asteroid 2 Name
RA:      Asteroid 1 RA
Dec:     Asteroid 1 Declination
Mag 1:   Asteroid 1 V magnitude
Mag 2:   Asteroid 2 V magnitude
Sep:     Separation, arcsec
PA:      Position Angle, Ast 1 to Ast 2
         0 = North, 90 = East, 180 = South, 270 = West
SE:      Angular separation between Sun and Ast 1
ME:      Angular separation between Moon and Ast 1
MP:      Moon Phase
         0 = New, 0.5 = Quarter, 1 = Full. + = Waxing; – = Waning

Date    UT     Ast 1   Name 1                 Ast 2   Name 2                    RA           Dec      Mag1  Mag2  Sep  PA   SE   ME     MP  
-----------------------------------------------------------------------------------------------------------------------------------------------
09/01  07:42      205  Martha                  12923  Zephyr                   15 52.79     -12 05.8  15.1  15.9  694   24   73  146  -0.311
09/01  11:34     2644  Victor Jara              2646  Abetti                   00 02.95     +00 31.3  15.4  15.5  157  310  100   92  -0.296
09/02  02:12     1811  Bruwer                  18863  1999 RC191               22 23.75     -07 16.0  14.8  15.1  585  241   91  125  -0.244
09/03  06:22      183  Istria                   1569  Evita                    23 14.84     -23 20.1  12.1  15.1  891  264   75  134  -0.151
09/03  10:17       53  Kalypso                 17382  1981 EH11                22 41.99     -10 35.8  12.6  15.6  155   69   88  139  -0.140
09/03  10:19      169  Zelia                     614  Pia                      02 25.15     +17 30.6  13.0  15.3  389  261  115   77  -0.140
09/03  18:03      217  Eudora                   1990  Pilcher                  21 36.18     -10 14.5  12.1  15.8  335  218   87  157  -0.118
09/03  19:58       37  Fides                     539  Pamina                   15 13.73     -20 37.5  13.4  15.9  269  131   64  110  -0.113
09/04  02:21     3729  Yangzhou                 3482  Lesnaya                  00 09.65     -05 02.8  14.6  15.5  348   56   94  126  -0.096
09/04  11:26      906  Repsolda                 3895  Earhart                  00 12.33     -14 04.4  13.2  16.0  260   84   85  133  -0.074
09/04  18:17       53  Kalypso                 16681  1994 EV7                 22 40.86     -10 44.8  12.6  15.6  874   50   88  156  -0.059
09/05  10:59     8416  Okada                    1559  Kustaanheimo             22 42.46     -06 58.1  14.9  15.5  301   60   92  163  -0.029
09/05  18:15    16681  1994 EV7                17382  1981 EH11                22 39.72     -10 23.9  15.7  15.7  219  215   88  169  -0.020
09/05  19:44      877  Walkure                  1508  Kemi                     01 22.43     +01 23.4  13.9  15.9  759   48  100  129  -0.018
09/05  20:34      164  Eva                       726  Joella                   15 13.60     -15 20.5  14.3  15.7  295  119   69   81  -0.017
09/06  13:55     1524  Joensuu                 23458  1989 RY1                 22 44.25     -10 45.5  14.4  15.8  526  251   88  178  -0.003
09/06  16:56     1245  Calvinia                  608  Adolfine                 19 01.77     -20 50.3  14.7  15.8  453  256   72  124  -0.002
09/06  20:21     2025  Nortia                   7198  Montelupo                20 10.70     -22 38.1  15.5  15.9  862   83   73  138   0.002
09/06  23:15     6071  Sakitama                 2182  Semirot                  22 51.75     -10 36.9  15.7  15.9  282   90   88  176   0.002
09/07  06:39       43  Ariadne                  1892  Lucienne                 21 29.94     -07 58.7  10.1  15.3  188   47   89  152   0.003
09/07  17:10      187  Lamberta                  528  Rezia                    07 49.35     +29 56.9  14.1  15.4  843  204  115   60   0.008
09/07  20:05      732  Tjilaki                  1190  Pelagia                  00 45.61     +02 15.3  14.2  15.9  356  262  101  164   0.010
09/07  21:28     2484  Parenago                 2943  Heinrich                 20 04.38     -18 18.7  15.5  16.0  577  230   77  122   0.012
09/08  01:56      435  Ella                      494  Virtus                   03 42.53     +20 01.8  14.3  14.7  119  172  115  121   0.016
09/09  02:24    14343  1984 SM5                17382  1981 EH11                22 36.79     -10 10.7  15.8  15.8  776  251   88  143   0.057
09/09  11:46      901  Brunsia                  3444  Stepanian                02 18.82     +20 05.8  14.1  16.0  693  101  117  158   0.079
09/09  19:21      337  Devosa                    577  Rhea                     03 24.22     +24 55.6  12.7  14.9  577  142  120  147   0.100
09/10  06:39     4352  Kyoto                    5040  Rabinowitz               02 31.23     +00 53.4  15.5  16.0   63  261   98  168   0.134
09/10  07:25      945  Barcelona              237805  2002 CF26                19 34.87     -31 20.0  15.3  15.7  315  254   63   80   0.137
09/10  10:53      167  Urda                      615  Roswitha                 00 39.91     +03 16.0  13.4  14.1  754   37  102  158   0.149
09/10  14:22     6121  Plachinda                8747  Asahi                    00 10.02     +06 49.1  15.1  15.8  827  254  106  149   0.161
09/10  15:18      994  Otthild                  5623  Iwamori                  00 16.23     -01 26.8  12.9  15.7  418   58   98  148   0.164
09/10  15:43   326732  2003 HB6                 2415  Ganesa                   23 33.54     -06 59.4  15.7  15.7  100  201   92  136   0.166
09/11  02:16     2415  Ganesa                 434431  2005 NC7                 23 33.14     -07 03.4  15.7  15.8  437   46   92  129   0.205
09/11  06:18   326732  2003 HB6               434431  2005 NC7                 23 34.27     -07 09.8  15.7  15.8  723  304   92  127   0.221
09/11  08:23     4856  Seaborg                 27111  1998 VV34                00 50.67     +07 48.3  15.8  15.8  786  253  107  149   0.229
09/11  15:20      175  Andromache              23458  1989 RY1                 22 41.05     -12 02.3  11.6  16.0   66  255   87  108   0.258
09/12  07:28     1723  Klemola                  1172  Aneas                    17 36.42     -14 38.5  15.9  15.6  154   42   75   26   0.329
09/12  07:58     1403  Idelsonia                1434  Margot                   19 02.12     -16 12.7  15.1  15.3  614   23   77   46   0.331
09/12  08:36      385  Ilmatar                  8747  Asahi                    00 08.58     +06 33.9  12.3  15.8  502  244  106  124   0.334
09/12  15:41     1544  Vinterhansenia           4471  Graculus                 21 35.40     -20 11.4  15.3  16.0  287  258   77   76   0.367
09/12  22:34      385  Ilmatar                  6121  Plachinda                00 08.09     +06 33.1  12.3  15.0  365   62  106  116   0.399
09/13  04:13      550  Senta                    1115  Sabauda                  06 41.74     +24 56.7  14.9  15.2    2  122  113  152   0.426
09/13  04:58      615  Roswitha                  950  Ahrensa                  00 38.35     +03 15.4  14.1  15.2  477  262  102  118   0.429
09/13  05:26    11015  Romanenko               29797  1999 CC78                23 59.79     +00 25.6  15.6  16.0  287  279   99  108   0.431
09/14  11:59      929  Algunde                 12923  Zephyr                   17 14.89     -19 17.3  15.8  15.4  751   20   69   12   0.577
09/14  19:08      167  Urda                      950  Ahrensa                  00 37.06     +02 53.8  13.3  15.2  325  273  102   95   0.610
09/15  07:14     1518  Rovaniemi                1082  Pirola                   02 28.63     +12 28.6  15.3  14.9  414  112  110  117   0.665
09/16  15:45      359  Georgia                 22449  Ottijeff                 00 43.18     +04 10.6  12.3  15.5  564  239  103   71   0.798
09/17  06:25     1001  Gaussia                  1188  Gothlandia               05 09.25     +26 43.2  15.1  15.1  746  330  118  130   0.849
09/17  13:13       83  Beatrix                  1472  Muonio                   18 41.36     -29 10.0  13.4  15.9  565  176   63   33   0.870
09/17  14:38      392  Wilhelmina              21028  1989 TO                  23 37.37     +11 30.9  13.2  15.5  163   54  111   49   0.875
09/17  20:21      584  Semiramis               12923  Zephyr                   17 42.49     -20 40.3  12.8  15.2  775  198   69   51   0.891
09/18  01:17       95  Arethusa                  358  Apollonia                16 04.84     -17 26.4  14.3  15.4   37  262   69   77   0.905
09/18  05:13     1297  Quadea                   9168  Sarov                    23 48.72     +12 11.5  15.1  16.0    8   81  111   44   0.915
09/18  12:35   143649  2003 QQ47                8863  1991 UV2                 02 35.40     -02 40.2  14.9  16.0  889   44   94   69   0.932
09/18  16:48     2616  Lesya                    8611  Judithgoldhaber          00 36.51     +02 07.0  14.6  15.6  136  276  101   41   0.941
09/19  04:31     3905  Doppler                  7825  1991 TL1                 00 18.36     +11 44.6  15.4  15.7  378   71  111   37   0.963
09/19  04:48     1508  Kemi                     3461  Mandelshtam              01 10.46     +02 29.3  15.5  15.9  449  230  101   42   0.963
09/19  07:52      957  Camelia                  1560  Strattonia               01 56.61     +23 25.0  14.5  14.7  474  106  121   61   0.968
09/19  15:47       25  Phocaea                   588  Achilles                 01 49.03     +23 52.7  10.7  15.2  478   95  122   56   0.979
09/20  04:24        1  Ceres                      85  Io                       04 40.35     +15 47.9   8.6  12.3  471   78  109   83   0.991
09/20  12:04      841  Arabella                 2653  Principia                00 38.46     +05 27.2  15.7  15.8  870  236  104   20   0.996
09/20  12:42      405  Thia                     1717  Arlon                    03 53.96     +27 46.0  14.1  15.8  481  320  122   71   0.996
09/21  03:01      295  Theresia                 5358  1992 QH                  22 49.65     -03 00.1  13.6  15.2  810   63   96   19  -0.997
09/21  23:51      571  Dulcinea                29797  1999 CC78                23 53.42     -01 43.6  13.0  15.7  427   72   97   13  -0.987
09/22  03:04     1518  Rovaniemi                 461  Saskia                   02 27.61     +12 50.6  15.1  15.3  753  277  110   26  -0.984
09/22  22:47       25  Phocaea                  1159  Granada                  01 47.33     +23 10.0  10.7  15.1  632   79  121   18  -0.959
09/24  04:16     1593  Fagnes                  10644  1999 DM2                 01 02.91     -15 03.6  14.7  15.8  331   88   84   34  -0.899
09/24  05:47      312  Pierretta                2972  Niilo                    00 49.05     +06 03.2  12.7  14.9  168  253  105   25  -0.896
09/24  15:09     1132  Hollandia                1303  Luthera                  16 53.56     -29 31.8  15.4  15.7  120  357   58  147  -0.872
09/25  04:43      219  Thusnelda                1146  Biarmia                  03 44.17     +16 04.8  12.3  15.5  145   23  111    8  -0.834
09/25  11:01      230  Athamantis                799  Gudula                   16 35.77     -17 13.9  12.5  15.6  406  126   70  163  -0.815
09/25  13:15     3408  Shalamov               155691  2000 OS22                00 35.76     -01 24.4  14.7  16.0  198   71   98   47  -0.808
09/25  22:53      976  Benjamina                4324  Bickel                   21 52.43     -01 56.8  14.7  15.2   23   54   96   90  -0.777
09/27  05:45     5093  Svirelia                18666  1998 FT53                00 56.60     +15 45.5  15.6  15.8  603   66  114   56  -0.669
09/27  12:02    46304  2001 OZ62                8445  Novotroitskoe            00 16.67     -01 46.2  15.6  16.0  656  234   97   74  -0.646
09/27  14:05       84  Klio                      658  Asteria                  19 28.33     -23 10.2  12.6  15.8  392  324   71  148  -0.638
09/27  17:01     1047  Geisha                   4031  Mueller                  21 24.44     -25 37.4  14.6  15.9   54  236   72  124  -0.627
09/28  05:16     1034  Mozartia                  780  Armenia                  20 01.35     -17 25.7  14.8  14.2  589  323   77  147  -0.580
09/28  05:35      872  Holda                     474  Prudentia                17 12.52     -15 53.3  15.5  15.3  207  201   73  168  -0.579
09/28  06:52      438  Zeuxo                     281  Lucretia                 06 47.29     +26 50.0  15.3  15.8  811  182  115   14  -0.574
09/28  13:07     3831  Pettengill              95696  2002 JU75                00 34.39     -02 12.0  15.0  15.7  113  238   97   83  -0.549
09/28  20:57      796  Sarita                    435  Ella                     03 52.71     +20 56.7  11.9  13.9  207  264  115   33  -0.518
09/29  03:50     6874  1994 JO1                11063  Poynting                 01 00.10     -10 23.9  15.4  15.8   17  222   88   88  -0.491
09/29  07:24      631  Philippina               5044  Shestaka                 02 29.54     +22 03.9  13.2  15.8  784   86  119   57  -0.477
09/29  12:00       22  Kalliope                  207  Hedda                    06 40.25     +25 52.0  11.6  14.8  793   51  114    2  -0.458
09/29  20:37      753  Tiflis                   1110  Jaroslawa                05 38.21     +23 59.7  15.4  15.6  805  227  114   21  -0.424
09/29  20:38     3408  Shalamov                95696  2002 JU75                00 32.35     -01 53.1  14.7  15.6  455  231   97   99  -0.424
09/29  23:11      702  Alauda                    441  Bathilde                 09 19.71     +10 18.5  13.6  14.0  117  181   93   33  -0.413