Asteroid-Asteroid Appulses - 2021 April


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  
-----------------------------------------------------------------------------------------------------------------------------------------------
04/02  02:58       76  Freia                     676  Melitta                  08 32.10     +16 31.7  13.3  15.3  158  226  101  127  -0.747
04/03  10:16       18  Melpomene                 133  Cyrene                   08 33.38     +18 06.3  11.0  13.3   33  136  102  145  -0.607
04/06  00:59      144  Vibilia                  1155  Aenna                    12 05.13     +06 32.4  13.0  14.7  889  130   88  128  -0.326
04/06  07:30      888  Parysatis                1164  Kobolda                  10 32.94     +23 25.5  13.9  15.5   10  119  105  158  -0.299
04/06  12:00      727  Nipponia                  466  Tisiphone                21 13.13     -12 20.9  15.1  15.0  304   23   85    9  -0.281
04/06  16:19      482  Petrina                  1129  Neujmina                 08 45.56     +08 32.0  14.3  15.6  188   88   92  166  -0.265
04/08  06:29      566  Stereoskopia              943  Begonia                  07 01.56     +26 00.4  14.3  14.7  541  164  113  129  -0.136
04/08  15:40     1102  Pepita                   1301  Yvonne                   07 15.43     +05 29.5  15.4  15.5  646  317   92  126  -0.111
04/08  16:32      579  Sidonia                   437  Rhodia                   04 26.43     +21 38.6  14.1  15.8  810  203  115   88  -0.108
04/09  03:30      224  Oceana                    918  Itha                     22 17.14     -13 52.1  14.1  15.8    8  304   84   15  -0.082
04/09  11:56      731  Sorga                    1635  Bohrmann                 15 10.64     -16 10.8  14.5  15.5  813  287   68  121  -0.064
04/09  22:29      680  Genoveva                 6914  Becquerel                15 41.30     -22 31.5  13.4  15.6    9  313   63  117  -0.044
04/10  02:01       12  Victoria                  159  Aemilia                  19 28.21     -17 50.9  11.2  14.5  501  336   76   67  -0.038
04/10  06:18      492  Gismonda                10859  1995 GJ7                 12 14.44     -00 04.3  15.3  15.7   58  130   81  175  -0.032
04/11  07:29      686  Gersuind                 7233  Majella                  15 28.05     -27 05.8  13.8  15.8  400  276   58  135  -0.006
04/11  09:01      376  Geometria                 653  Berenike                 21 57.09     -12 25.7  14.0  15.4  518  324   85   47  -0.005
04/11  10:52     1117  Reginita                 3748  Tatum                    11 50.44     +06 03.6  15.1  15.6  533   75   87  161  -0.004
04/11  16:15      220  Stephania                1231  Auricula                 12 22.01     -13 54.6  15.2  15.6  254   96   67  164  -0.002
04/11  22:13      472  Roma                      209  Dido                     08 12.89     +25 22.6  13.7  14.0  370  323  110  100   0.000
04/12  23:14    29909  1999 JE8                 2835  Ryoma                    13 23.66     -09 26.3  15.8  16.0  221  275   72  169   0.008
04/13  02:07      214  Aschera                   877  Walkure                  22 32.79     -10 16.6  14.9  16.0  716  177   88   58   0.010
04/14  08:15     8479  1987 HD2                 4845  Tsubetsu                 13 14.98     -06 17.2  15.2  15.8  176  303   75  151   0.046
04/14  20:59      266  Aline                    1043  Beate                    05 05.41     +15 40.1  14.2  15.8  123   22  108   22   0.069
04/15  22:55       79  Eurynome                  168  Sibylla                  06 29.26     +18 53.7  12.7  14.4  174  181  107   29   0.130
04/16  17:37      123  Brunhild                 1996  Adams                    13 13.37     -18 06.3  13.0  15.6   53  128   63  126   0.183
04/17  11:25      230  Athamantis                 95  Arethusa                 16 22.54     -23 22.7  11.3  13.6   67  119   63  162   0.240
04/18  04:43      211  Isolda                    749  Malzovia                 20 23.39     -17 45.2  14.3  15.6  846  357   78  150   0.302
04/18  06:55     3385  Bronnina                 1286  Banachiewicza            14 28.10     -10 58.2  14.9  15.3  836   43   72  122   0.310
04/18  07:29      567  Eleutheria               1356  Nyanza                   13 12.81     +01 43.4  13.2  15.0  477  113   83  100   0.312
04/18  17:18      639  Latona                  47035  1998 WS                  12 49.66     -18 20.3  13.1  16.0  581  140   63   98   0.349
04/18  20:50     3829  Gunma                   10185  Gaudi                    13 54.26     -07 14.6  15.4  15.9  550  118   75  106   0.363
04/20  01:15      135  Hertha                    889  Erynia                   07 47.67     +22 17.8  13.8  15.8    9  170  108    4   0.479
04/20  08:33     2307  Garuda                   1338  Duponta                  13 52.33     -19 34.8  15.2  15.7  107  342   63   92   0.510
04/21  06:26      541  Deborah                  3031  Houston                  13 27.10     -17 53.9  13.9  14.9   96  154   64   75   0.603
04/21  09:45       16  Psyche                    275  Sapientia                05 52.43     +21 32.0  11.8  14.3  254  344  111   47   0.617
04/21  12:22       72  Feronia                  1803  Zwicky                   09 12.53     +10 56.9  13.7  15.8  562   96   94   10   0.628
04/22  20:29     1083  Salvia                   2812  Scaltriti                16 16.52     -17 25.2  15.8  16.0  759  243   69   91   0.761
04/24  06:00      516  Amherstia                 604  Tekmessa                 22 24.38     -13 41.8  13.4  15.4  856  300   85  159   0.882
04/24  15:16    15427  Shabas                   8212  Naoshigetani             14 11.57     -11 38.5  15.2  16.0  863  290   71   35   0.909
04/25  11:46     1796  Riga                     6785  1990 VA7                 13 32.91     +02 03.8  14.6  15.5  270  112   84   11   0.959
04/26  06:05      538  Friederike               2304  Slavia                   14 33.30     -05 48.6  14.7  15.1  305  266   77   15   0.987
04/26  12:57      686  Gersuind                  539  Pamina                   15 17.80     -25 35.4  13.3  14.8  245   88   59   28   0.994
04/26  14:09     1085  Amaryllis                1124  Stroobantia              10 44.86     +12 54.6  15.3  15.9  864  106   94   51   0.995
04/27  00:21        2  Pallas                   1177  Gonnessia                22 44.83     +05 50.8  10.5  15.9  705  263  104  128   0.999
04/27  07:49      170  Maria                    1246  Chaka                    17 54.17     -38 41.9  13.9  15.0   19  167   52   52  -0.998
04/27  11:47     2303  Retsina                  1432  Ethiopia                 15 01.38     -03 13.8  15.3  15.6  886  304   81   11  -0.996
04/27  22:20      749  Malzovia                  738  Alagasta                 20 39.62     -16 51.2  15.5  15.8   78  174   79   79  -0.989
04/29  16:49    13832  1999 XR13                2531  Cambridge                16 10.72     -08 31.7  15.4  15.6  266  268   78   18  -0.902
04/29  19:13      195  Eurykleia                1946  Walraven                 15 52.67     -28 02.1  13.5  15.7  837  145   58   17  -0.895