Asteroid-Asteroid Appulses - 2021 July


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  
-----------------------------------------------------------------------------------------------------------------------------------------------
07/01  09:03       59  Elpis                     551  Ortrud                   00 51.17     +05 35.5  12.9  15.2  809  190  104   11  -0.547
07/01  15:30      477  Italia                   2730  Barks                    21 20.23     -25 16.5  13.0  15.4  267  182   72   53  -0.520
07/01  19:41     2119  Schwall                  1040  Klumpkea                 19 14.91     -20 08.4  14.8  15.6   18    6   73   82  -0.503
07/02  10:31      770  Bali                      726  Joella                   14 22.91     -15 45.4  15.4  15.2   90   85   67  158  -0.443
07/02  16:39    14196  1998 XH59                6114  Dalla-Degregori          19 18.59     -19 13.5  14.6  15.8  573  251   74   92  -0.418
07/03  01:17      166  Rhodope                  2311  El Leoncito              19 28.08     -14 47.4  13.7  15.6  675  132   79   94  -0.384
07/03  06:03      850  Altona                    969  Leocadia                 20 49.48     -17 06.7  13.8  16.0  873  263   79   77  -0.366
07/03  10:45    19774  2000 OS51                6890  Savinykh                 19 08.34     -21 08.5  15.1  15.7  777   59   72  103  -0.348
07/03  21:02      626  Notburga                  588  Achilles                 01 41.13     +19 48.3  13.5  15.9  297  312  118   12  -0.310
07/04  00:53     1002  Olbersia                 1145  Robelmonte               00 24.57     +02 00.2  15.6  16.0  454  115  101   30  -0.296
07/04  16:56      627  Charis                    852  Wladilena                11 41.77     +07 01.1  15.8  15.2  675  277   88  129  -0.239
07/04  18:11     2217  Eltigen                 19774  2000 OS51                19 06.30     -21 07.2  14.8  15.1  620   63   72  119  -0.235
07/05  03:22      984  Gretia                    552  Sigelinde                01 55.72     +19 16.4  14.4  15.9  617  147  117   18  -0.205
07/05  03:47     3996  Fugaku                   4798  Mercator                 18 07.40     -23 56.6  15.2  15.4  408   94   67  138  -0.204
07/05  07:48     6358  Chertok                  2241  Alcathous                16 55.15     -25 03.7  15.7  15.6  879  125   63  156  -0.191
07/05  10:53      420  Bertholda                1269  Rollandia                16 49.53     -19 26.8  13.7  14.7  663  251   68  159  -0.182
07/05  14:46      111  Ate                       377  Campania                 01 02.39     +10 57.6  13.5  14.1  135   32  110   37  -0.170
07/06  15:17      543  Charlotte                1026  Ingrid                   19 44.08     -22 10.7  14.0  14.3  227  268   72  133  -0.104
07/07  00:05      111  Ate                       901  Brunsia                  01 03.63     +11 08.1  13.5  15.1  279  158  110   52  -0.083
07/07  08:17      377  Campania                  901  Brunsia                  01 04.27     +11 10.1  14.1  15.1  133  148  110   56  -0.066
07/07  09:12      586  Thekla                    262  Valda                    03 48.73     +20 05.6  15.4  16.0  155  155  115   16  -0.064
07/08  14:43     1714  Sy                       2898  Neuvo                    20 37.56     -19 22.5  14.8  15.4  286   79   77  144  -0.018
07/08  15:28      349  Dembowska                 488  Kreusa                   22 07.48     -24 06.1  10.3  13.7  316  304   74  125  -0.018
07/08  15:50      183  Istria                   1474  Beira                    23 14.16     -06 53.4  13.6  15.8  507   78   92  104  -0.017
07/08  21:00     2887  Krinov                   5875  Kuga                     19 57.54     -19 32.3  14.8  15.8  506  253   75  156  -0.012
07/09  06:50      195  Eurykleia                1132  Hollandia                15 06.73     -25 49.8  14.2  14.5  427  218   58  133  -0.005
07/09  07:52     2078  Nanking                  5832  Martaprincipe            19 27.99     -20 33.4  15.2  15.6   17  258   73  168  -0.004
07/09  09:18     5430  Luu                      2270  Yazhi                    21 46.58     -16 06.8  15.6  15.9  271  264   82  137  -0.003
07/09  17:08      554  Peraga                    514  Armida                   03 46.72     +22 14.5  13.8  15.1   65  166  117   45  -0.001
07/10  22:27      454  Mathesis                 1350  Rosselia                 01 55.90     +09 21.4  14.9  16.0  596    3  107   89   0.010
07/11  04:52      664  Judith                    622  Esther                   14 33.33     -04 27.2  14.6  15.6  852    6   79   94   0.015
07/11  08:03    32497  2000 XF18                9033  Kawane                   20 31.19     -26 34.1  15.5  15.9    8   74   69  177   0.019
07/11  20:07     1088  Mitaka                    271  Penthesilea              15 36.44     -24 01.9  15.2  15.3  725  288   61  107   0.035
07/12  14:49     3729  Yangzhou                 2349  Kurchenko                00 18.35     -08 21.5  15.7  15.9  393  259   91  140   0.070
07/13  00:13     2426  Simonov                 12225  Yanfernandez             17 47.72     -15 00.4  15.6  15.8  549   75   75  120   0.092
07/13  10:27       60  Echo                       77  Frigga                   11 07.22     +05 24.2  13.5  14.4  602   11   87   16   0.120
07/14  04:17       69  Hesperia                  346  Hermentaria              14 00.38     -05 11.8  12.9  12.9  459  302   77   49   0.175
07/14  04:20       83  Beatrix                 30224  2000 GU136               18 51.05     -31 15.7  11.9  15.9  845   88   61  121   0.175
07/14  20:24      113  Amalthea                 1085  Amaryllis                11 34.04     +07 18.0  13.3  16.0  735   25   88    2   0.233
07/15  05:41      742  Edisona                   978  Aidamina                 04 03.20     +17 42.3  15.3  15.2  590   75  112  113   0.269
07/15  13:34      929  Algunde                  1255  Schilowa                 16 12.82     -17 12.3  14.6  15.7   32   13   69   65   0.302
07/15  18:18    34817  Shiominemoto             6961  Ashitaka                 19 49.66     -12 22.0  15.1  15.7  529   66   82  114   0.322
07/15  23:46     2123  Vltava                   2345  Fucik                    20 36.34     -18 52.8  15.5  15.5  814   83   77  121   0.345
07/16  19:21      144  Vibilia                   256  Walpurga                 12 13.18     +02 41.3  14.3  15.6  818  348   84   14   0.434
07/17  05:08      607  Jenny                    1299  Mertona                  21 18.85     -08 44.8  14.3  16.0  786   69   88  117   0.479
07/17  07:18     2431  Skovoroda                1274  Delportia                22 16.60     -12 23.3  15.1  15.2  565  337   86  128   0.490
07/17  19:40      385  Ilmatar                  3103  Eger                     00 29.44     +05 03.4  13.3  14.8  527  197  104  158   0.548
07/17  21:46     5448  Siebold                  8360  1990 FD1                 19 44.30     -25 10.2  15.7  15.9  778   66   69   82   0.558
07/17  23:53      880  Herba                    5834  1992 SZ14                19 59.36     -04 33.2  14.4  15.7  410  253   90   87   0.568
07/18  10:11      563  Suleika                   339  Dorothea                 13 30.26     -01 19.2  14.5  15.3   64  133   80   18   0.617
07/19  02:33     6995  Minoyama                11839  1986 QX1                 19 00.87     -29 18.8  15.8  16.0  476   46   64   55   0.692
07/19  16:49     7851  Azumino                 10113  1992 PX2                 17 33.00     -26 03.4  15.6  16.0  528  231   63   27   0.754
07/19  21:15    20958  A900 MA                  5746  1991 CK                  20 36.75     -26 57.3  15.1  15.8  257   56   69   65   0.773
07/20  01:38      615  Roswitha                 3103  Eger                     00 47.31     +03 38.2  15.1  14.7  215   19  102  130   0.791
07/20  07:18   285571  2000 PQ9                 2887  Krinov                   19 46.57     -20 41.5  12.7  14.5  351  109   75   49   0.813
07/20  10:05      113  Amalthea                   86  Semele                   11 43.38     +06 14.9  13.3  15.4  403   22   87   74   0.823
07/20  14:37      749  Malzovia                  949  Hel                      21 18.88     -18 57.4  14.0  14.2  300  269   78   66   0.840
07/21  04:07     1707  Chantal                  5430  Luu                      21 42.08     -20 03.3  15.5  15.3  616  264   78   63   0.886
07/21  11:58      336  Lacadiera                 262  Valda                    04 19.53     +22 03.4  15.0  16.0   77  144  116  163   0.909
07/22  04:22      121  Hermione                 1593  Fagnes                   00 47.08     -04 43.5  12.7  15.6  851  192   94   95   0.950
07/22  15:29     2251  Tikhov                  15936  1997 YM4                 19 53.58     -08 52.0  15.1  15.9  246   76   86   23   0.971
07/22  17:08   285571  2000 PQ9                 1384  Kniertje                 19 58.29     -10 29.7  13.0  15.8  576  288   83   22   0.973
07/23  07:32      462  Eriphyla                 1034  Mozartia                 19 49.92     -22 06.6  13.0  12.9  105  269   72    6   0.991
07/23  14:00     2431  Skovoroda                5325  Silver                   22 15.26     -12 17.0  14.9  15.1  636   93   86   38   0.995
07/23  19:10     1474  Beira                    1285  Julietta                 23 15.43     -02 23.1  15.2  15.7  611   89   96   52   0.998
07/25  23:09      868  Lova                      649  Josefa                   00 44.48     -01 44.6  14.7  15.8  859  106   97   42  -0.952
07/26  05:43     2295  Matusovskij              8476  1986 QT2                 20 25.35     -19 56.9  15.6  15.7  426  100   76   28  -0.939
07/26  08:24     9033  Kawane                  34514  2000 SQ180               20 19.11     -28 21.9  15.7  15.9  680   74   67   32  -0.933
07/26  14:25       84  Klio                     9601  1991 UE3                 19 20.81     -32 26.3  11.3  15.2  828  251   61   49  -0.919
07/26  17:53    14196  1998 XH59                1497  Tampere                  19 00.11     -22 59.4  14.9  15.4  114   74   70   54  -0.910
07/27  14:11       12  Victoria                 2944  Peyo                     20 23.49     -01 12.8   8.8  15.8   59  268   94   47  -0.853
07/28  23:44     1048  Feodosia                  599  Luisa                    12 53.37     -01 24.9  14.6  14.8  661  215   80  175  -0.738
07/29  04:18    33811  Scottobin                1464  Armisticia               21 43.16     -27 02.0  15.6  15.7  433  250   71   51  -0.721
07/29  12:28        5  Astraea                   895  Helio                    17 26.87     -17 53.4  11.7  14.2  502  259   71  112  -0.690
07/30  18:21     2824  Franke                   5095  Escalante                22 49.39     -06 02.1  15.8  15.6   26  249   93   48  -0.573
07/30  20:16       73  Klytia                    396  Aeolia                   04 00.55     +21 51.1  14.3  16.0  831  158  116   33  -0.565