Asteroid-Asteroid Appulses - 2021 March


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  
-----------------------------------------------------------------------------------------------------------------------------------------------
03/01  03:02     1675  Simonida                  759  Vinifera                 06 41.44     +33 14.4  15.2  16.0  637  170  121   85  -0.953
03/01  16:22       79  Eurynome                 1022  Olympiada                05 21.27     +17 31.3  12.1  15.9  408   14  109  112  -0.923
03/03  08:52      640  Brambilla                 699  Hela                     01 48.99     +13 48.0  15.5  16.0  313  169  112  171  -0.789
03/03  10:14       92  Undina                    124  Alkeste                  18 55.08     -20 31.1  12.8  13.3  728  335   72   65  -0.783
03/03  11:38        4  Vesta                     594  Mireille                 11 19.65     +15 57.6   6.2  14.2  611   99   97   55  -0.777
03/03  12:09     1621  Druzhba                  2090  Mizuho                   11 04.65     +04 05.5  14.3  15.6  875   68   85   54  -0.775
03/03  15:19     2629  Rudra                    8762  Hiaticula                11 21.70     +00 57.7  15.9  15.9  883  137   82   51  -0.762
03/04  01:57      211  Isolda                    954  Li                       19 39.85     -20 27.7  14.5  15.7  307  175   74   66  -0.717
03/04  06:35       52  Europa                    150  Nuwa                     06 09.49     +20 50.9  11.5  13.9   25  131  110  138  -0.697
03/04  12:46      331  Etheridgea                699  Hela                     01 51.62     +13 37.8  15.5  16.0  820    5  112  156  -0.669
03/04  16:30       18  Melpomene                  76  Freia                    08 33.13     +16 04.4  10.3  12.7  579  254  100  110  -0.652
03/04  19:10      422  Berolina                 4107  Rufino                   10 17.33     +15 15.5  14.5  14.9  560  296   97   87  -0.640
03/05  01:33      459  Signe                    1089  Tama                     13 14.87     -01 55.1  15.1  15.1  893  110   80   44  -0.610
03/05  21:38      387  Aquitania                 721  Tabora                   10 01.42     +23 09.7  12.2  14.9   21   74  105  109  -0.516
03/06  03:59      611  Valeria                   983  Gunila                   07 25.65     +06 00.0  13.9  14.9  885  307   93  142  -0.486
03/06  12:36      263  Dresda                   1051  Merope                   12 11.29     -02 30.7  14.8  15.3  366  115   79   79  -0.445
03/06  12:39     3573  Holmberg                10027  Perozzi                  10 59.47     +01 00.2  15.2  15.9  144  124   82   96  -0.445
03/06  14:16       45  Eugenia                   410  Chloris                  02 58.42     +10 50.8  13.4  14.5    1   10  107  142  -0.438
03/07  06:50     1449  Virtanen                 3036  Krat                     12 54.15     +06 36.8  14.6  15.8  856  292   88   83  -0.362
03/07  07:20       86  Semele                   2777  Shukshin                 11 34.16     +10 04.1  13.7  15.4   69  350   91  103  -0.360
03/07  21:35     1998  Titius                   3983  Sakiko                   12 49.16     -08 01.1  15.6  15.9  349  314   73   87  -0.299
03/08  01:30       86  Semele                   9299  Vinceteri                11 33.59     +10 07.9  13.7  16.0  468  175   91  113  -0.283
03/08  03:05       18  Melpomene                2546  Libitina                 08 31.82     +16 25.5  10.4  15.2  662  279  101  157  -0.276
03/09  10:24     2724  Orlov                    7916  1981 EN                  11 16.75     +06 13.5  15.8  15.9   62   94   87  134  -0.161
03/09  13:14     1597  Laugier                  5530  Eisinga                  12 09.02     +05 10.8  15.4  16.0  440  305   86  123  -0.152
03/09  20:14       43  Ariadne                    24  Themis                   19 11.63     -22 47.1  12.2  13.6  710  169   70   21  -0.130
03/10  16:40     5650  Mochihito-o             99942  Apophis                  09 07.08     -03 54.3  15.5  15.7  134   40   79  156  -0.077
03/10  20:59       76  Freia                    2546  Libitina                 08 30.78     +16 13.9  12.9  15.3  704  290  101  164  -0.067
03/10  21:21      349  Dembowska                1113  Katja                    20 23.16     -26 13.6  11.7  15.9  205    8   69   19  -0.066
03/10  22:21       37  Fides                     397  Vienna                   15 39.30     -21 34.6  12.7  14.9  111  103   64   83  -0.064
03/11  03:17     1296  Andree                   2629  Rudra                    11 05.22     -00 56.4  14.3  15.8  582  315   80  154  -0.054
03/11  03:37     9967  Awanoyumi                2326  Tololo                   12 58.50     +05 23.0  15.7  15.6  357  102   87  133  -0.053
03/11  10:50      545  Messalina                3915  Fukushima                10 52.22     +03 49.3  13.9  15.6  181  268   85  163  -0.040
03/11  15:22      163  Erigone                   774  Armor                    06 07.12     +19 33.6  13.3  15.0  495  348  109  121  -0.033
03/11  19:38     4133  Heureka                  2698  Azerbajdzhan             10 37.14     +00 49.1  15.5  15.8  845  119   82  165  -0.027
03/12  03:31     1803  Zwicky                   1648  Shajna                   09 26.26     +17 57.8  15.1  15.5  540  113  101  161  -0.017
03/12  06:51      391  Ingeborg                 1379  Lomonosowa               18 32.85     -08 16.7  15.6  15.9  871  297   83   63  -0.014
03/12  08:00      707  Steina                   2629  Rudra                    11 01.75     -01 03.5  15.1  15.8  281  134   80  166  -0.013
03/13  12:16      124  Alkeste                   749  Malzovia                 19 11.46     -19 46.1  13.3  15.8    5  185   73   68   0.002
03/13  17:36     4838  Billmclaughlin           1231  Auricula                 12 50.81     -14 12.4  16.0  15.8  562  291   67  156   0.003
03/14  04:21     3573  Holmberg                 2650  Elinor                   10 52.08     +01 45.5  15.3  15.7  533  268   83  159   0.008
03/16  09:44      150  Nuwa                      495  Eulalia                  06 15.32     +20 57.7  14.1  15.7  176  176  110   64   0.085
03/16  22:53     2015  Kachuevskaya            31538  1999 DM1                 11 29.42     -00 47.5  14.9  15.9  344  290   80  137   0.116
03/16  23:53     1242  Zambesia                 1675  Simonida                 06 55.87     +31 42.6  15.2  15.6  227  354  119   66   0.119
03/17  06:00     3281  Maupertuis                703  Noemi                    12 08.27     -03 20.4  15.3  15.5  442  275   78  143   0.135
03/17  08:15      419  Aurelia                   420  Bertholda                17 24.98     -22 52.8  12.6  14.5   91    1   66  139   0.141
03/17  11:45      389  Industria                1086  Nata                     15 23.49     -29 10.7  12.1  15.1  434  185   56  161   0.150
03/18  09:09      172  Baucis                   1240  Centenaria               16 30.01     -34 05.8  13.2  15.6  851   32   53  157   0.215
03/18  19:14      568  Cheruskia                1604  Tombaugh                 15 15.34     -30 17.1  15.1  15.9  495  257   54  166   0.248
03/19  04:20      266  Aline                     581  Tauntonia                04 24.34     +14 46.7  14.0  15.8  104   38  108    7   0.280
03/20  11:00     2118  Flagstaff                 960  Birgit                   11 44.87     -03 31.0  15.1  15.8  819   89   78  101   0.393
03/20  18:36     2617  Jiangxi                   887  Alinda                   05 13.76     +29 36.4  15.6  15.6  134  344  121    6   0.423
03/20  18:48      562  Salome                   1938  Lausanna                 16 50.22     -18 56.9  15.5  15.9  631  348   69  171   0.424
03/20  22:49     3888  Hoyt                     6785  1990 VA7                 14 02.99     +02 19.2  15.6  15.7  831  110   85  123   0.440
03/21  08:45       89  Julia                    1113  Katja                    20 35.38     -25 22.4  11.8  15.8  217  155   71  143   0.479
03/22  20:27      786  Bredichina                886  Washingtonia             11 22.71     +27 09.2  13.2  15.3  900  268  108   56   0.624
03/23  09:21      440  Theodora                 1015  Christa                  06 33.39     +22 41.3  15.4  14.9  539  197  111   16   0.676
03/24  09:14     1659  Punkaharju               1187  Afra                     11 43.92     -08 05.4  14.9  15.8  380   60   73   55   0.769
03/25  04:57      425  Cornelia                  378  Holmia                   16 51.87     -21 56.8  14.8  15.3  315   62   66  117   0.838
03/26  03:51      183  Istria                    188  Menippe                  21 09.84     -07 49.9  15.2  14.3  648  121   89  162   0.908
03/26  18:06      456  Abnoba                   1269  Rollandia                17 28.17     -20 35.9  13.5  15.3  677  329   69  104   0.943
03/26  23:19      563  Suleika                  8059  Deliyannis               14 07.38     +01 01.4  13.2  15.5  436  277   83   48   0.954
03/26  23:55       37  Fides                    6914  Becquerel                15 38.82     -21 53.5  12.5  16.0  101   19   63   76   0.955
03/27  01:11      481  Emita                    2002  Euler                    15 05.83     -10 03.3  13.9  15.9  457  308   74   64   0.957
03/27  04:40     1938  Lausanna                 1291  Phryne                   16 57.89     -18 40.4  15.8  15.8  508    8   69   90   0.964
03/28  18:16       55  Pandora                  1527  Malmquista               11 20.88     +07 19.6  12.5  15.6  119   21   88   20  -0.997
03/29  11:58        5  Astraea                  1175  Margo                    18 15.50     -17 45.4  12.1  15.8  560   66   73   74  -0.990