Asteroid-Asteroid Appulses - 2021 December


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  
-----------------------------------------------------------------------------------------------------------------------------------------------
12/01  04:44       25  Phocaea                   813  Baumeia                  01 11.00     +05 08.4  11.5  15.1  338  250  104  173  -0.136
12/01  15:48      188  Menippe                  1862  Apollo                   23 10.55     +05 46.0  14.0  15.6  756  150  105  137  -0.101
12/01  20:34     1437  Diomedes                 3776  Vartiovuori              04 40.11     +44 59.7  15.1  15.8  137  227  137  134  -0.087
12/01  23:51       52  Europa                    636  Erika                    12 40.26     +00 38.1  12.3  15.9  366  355   82   28  -0.078
12/02  16:32      779  Nina                      833  Monica                   03 51.45     +35 06.0  11.5  15.1   35  275  129  158  -0.038
12/02  23:38       13  Egeria                    273  Atropos                  13 42.71     -02 06.4  12.1  15.6  212  128   80   28  -0.025
12/04  02:10      521  Brixia                   2834  Christy Carol            04 23.13     +14 09.2  10.5  14.7  657  270  108  172   0.000
12/04  02:55      337  Devosa                   2866  Hardy                    02 36.48     +28 21.2  11.6  15.8  577   42  125  154   0.000
12/04  09:17      104  Klymene                   431  Nephele                  12 52.84     -03 48.9  14.6  15.6  874  212   78   60   0.000
12/04  12:36      505  Cava                   518678  2008 UZ94                21 26.07     -23 40.8  14.1  15.5  430   56   74   61   0.001
12/05  09:56     2638  Gadolin                  4086  Podalirius               03 25.37     +20 22.9  15.0  15.8  222  101  116  145   0.019
12/05  15:54       12  Victoria                   57  Mnemosyne                22 05.50     -04 16.1  11.5  12.7  565  338   94   60   0.029
12/05  20:07     1508  Kemi                     1862  Apollo                   23 48.99     +10 29.9  15.8  15.7  350  157  109   87   0.036
12/05  23:10      592  Bathseba                  431  Nephele                  12 53.62     -03 57.9  15.7  15.5  719  169   77   84   0.043
12/07  11:01     1888  Zu Chong-Zhi             1801  Titicaca                 04 38.39     +20 36.5  14.3  15.0  145   95  113  131   0.144
12/07  17:47     2571  Geisei                   3944  Halliday                 04 25.73     +22 08.3  15.2  15.8   10   94  115  125   0.168
12/07  17:47     1936  Lugano                   4214  Veralynn                 03 50.87     +25 28.9  15.5  15.5  225  258  120  118   0.168
12/07  21:52       42  Isis                     2110  Moore-Sitterly           05 04.87     +20 59.3  10.8  15.8  136  286  113  131   0.183
12/08  04:38       83  Beatrix                   372  Palma                    20 34.18     -22 35.0  14.1  13.9  380    1   73    5   0.209
12/08  05:48      558  Carmen                   1403  Idelsonia                21 29.98     -16 37.0  14.9  16.0  518  351   81    9   0.213
12/08  13:55     5253  Fredclifford             4148  McCartney                05 11.83     +31 29.6  15.3  15.5  397  251  123  124   0.246
12/08  20:30      104  Klymene                   592  Bathseba                 12 57.41     -04 17.3  14.5  15.6  695  301   77  125   0.273
12/09  03:28      201  Penelope                 1118  Hanskya                  10 49.27     +05 53.9  14.1  15.9  308  293   87  161   0.303
12/09  05:03     2743  Chengdu                  2453  Wabash                   01 37.01     +18 24.3  15.8  15.9  625  233  117   66   0.310
12/10  10:49      514  Armida                   1594  Danjon                   04 45.06     +23 43.4  13.3  15.3  111   42  116   92   0.440
12/11  16:32     6838  Okuda                    2371  Dimitrov                 04 06.05     +20 05.5  15.3  15.8  239  263  114   66   0.569
12/12  14:24      857  Glasenappia              3550  Link                     05 15.42     +22 34.6  14.0  14.8   47  122  114   71   0.658
12/13  09:24     6662  1993 BP13                2423  Ibarruri                 06 24.35     +22 51.8  15.4  15.9  354  224  112   77   0.730
12/13  17:06     4512  Sinuhe                   1271  Isergina                 09 44.06     +13 51.2  15.5  15.7  612  169   96  121   0.757
12/13  17:47       15  Eunomia                   773  Irmintraud               13 05.47     -17 48.5  11.2  15.0  480  241   64  167   0.759
12/13  19:48      197  Arete                    1888  Zu Chong-Zhi             04 32.26     +20 02.3  13.4  14.5  109  268  113   46   0.766
12/13  20:15     1450  Raimonda                  936  Kunigunde                05 24.46     +24 16.5  14.5  15.1  269   52  115   58   0.768
12/14  05:15     1433  Geramtina                1197  Rhodesia                 00 40.54     +15 56.2  15.8  16.0  529  324  115   19   0.797
12/14  07:36      359  Georgia                   312  Pierretta                00 16.65     +05 24.5  13.8  14.1  364  335  104   25   0.805
12/15  14:51     1140  Crimea                   1720  Niels                    03 54.28     +19 07.7  13.5  15.0  672   84  114   15   0.893
12/16  08:27       82  Alkmene                   431  Nephele                  13 02.61     -05 07.0  13.0  15.5  382   26   76  142   0.932
12/17  11:57     1114  Lorraine                 5977  1992 TH1                 07 51.60     +05 38.4  14.8  15.6  804  256   91   53   0.976
12/17  13:00       26  Proserpina               1390  Abastumani               14 17.17     -12 18.1  12.8  15.7  703    8   70  148   0.977
12/21  06:55     1123  Shapleya                  858  El Djezair               01 53.22     +07 12.5  14.7  15.6  177  144  105   84  -0.958
12/21  15:37     1115  Sabauda                   262  Valda                    07 36.40     +34 15.4  13.5  13.9  592  120  120   11  -0.943
12/21  17:01      106  Dione                    1594  Danjon                   04 32.17     +23 42.5  11.6  15.7  713   14  117   48  -0.940
12/21  19:57      333  Badenia                   143  Adria                    11 16.93     +06 18.4  15.5  14.2  343  232   87   49  -0.935
12/21  21:53       62  Erato                    5331  Erimomisaki              08 13.89     +19 04.8  13.2  15.5  661  256  104    5  -0.931
12/22  04:20      467  Laura                    1814  Bach                     05 54.51     +31 33.6  14.5  14.7  675   49  121   34  -0.917
12/23  22:59      772  Tanete                    286  Iclea                    01 18.71     -11 28.9  14.3  14.7  831   53   87  131  -0.799
12/24  04:02      517  Edith                     580  Selene                   06 36.68     +22 57.8  13.1  14.4  510  104  111   50  -0.783
12/24  21:07     7430  Kogure                   4298  Jorgenunez               06 40.64     +23 57.3  14.7  15.4  385  269  112   57  -0.721
12/25  11:22       42  Isis                    23222  2000 VZ53                04 45.88     +21 28.6  11.3  16.0  610   66  114   91  -0.666
12/25  18:17      257  Silesia                  2906  Caltech                  05 49.53     +28 01.3  13.3  14.5  325  254  118   80  -0.638
12/26  07:19      156  Xanthippe                 408  Fama                     13 22.91     -17 21.8  13.4  15.8  543  196   64   33  -0.583
12/26  13:17     2104  Toronto                  1586  Thiele                   05 03.90     +18 15.8  14.7  15.2  779  249  110  102  -0.557
12/26  22:35     1268  Libya                    1555  Dejan                    07 10.13     +28 09.1  14.3  15.1  601  348  115   78  -0.516
12/27  03:09     1533  Saimaa                 162149  1998 YQ11                05 32.20     +08 27.2  15.2  15.9  751  270   99  104  -0.495
12/28  06:10     1536  Pielinen                 6838  Okuda                    03 54.17     +17 49.8  15.4  15.6  411  108  112  141  -0.373
12/29  01:32      522  Helga                    4512  Sinuhe                   09 49.75     +14 50.7  15.1  15.1  379  325   97   68  -0.287
12/29  04:04      550  Senta                    7358  Oze                      06 41.72     +20 54.2  13.4  15.8  368  179  109  114  -0.276
12/29  07:38     2599  Veseli                   7579  1990 TN1                 06 08.82     +46 57.3  15.5  15.8  506  296  136  120  -0.261
12/29  08:28      856  Backlunda                 634  Ute                      08 17.42     +14 20.7  14.1  14.8  685   86   99   93  -0.258
12/30  00:38     1171  Rusthawelia               406  Erna                     09 36.56     +14 46.2  14.6  15.6  668  318   97   85  -0.192
12/30  01:03     1350  Rosselia                  858  El Djezair               01 53.90     +07 46.5  15.5  15.8  299  187  106  163  -0.190
12/30  07:34     2022  West                     1446  Sillanpaa                07 04.74     +31 45.3  15.1  15.5  111  213  119  126  -0.166
12/30  10:51     4381  Uenohara                 7358  Oze                      06 40.13     +20 34.0  15.7  15.8  816  330  109  133  -0.154