[Iaude] MPEC J53: 2021 JB1 [a=1.35,e=0.31,i=18.0,H=27.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue May 4 21:52:05 EDT 2021


M.P.E.C. 2021-J53                                   Issued 2021 May 5, 01:50 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2021 JB1                                    


Observations:
     K21J01B  C2021 05 03.26260 13 51 32.66 +37 42 53.8                VEJ053G96
     K21J01B  C2021 05 03.26779 13 51 22.99 +37 42 23.4          20.8 GVEJ053G96
     K21J01B* C2021 05 04.28605313 12 42.35 +35 00 14.2          19.92GVEJ053G96
     K21J01B  C2021 05 04.29169813 12 23.82 +34 58 45.5          19.40GVEJ053G96
     K21J01B  C2021 05 04.29734313 12 05.29 +34 57 16.1          19.44GVEJ053G96
     K21J01B KC2021 05 04.37177913 07 56.20 +34 36 13.5          19.52GVEJ053I52
     K21J01B KC2021 05 04.37234513 07 54.22 +34 36 03.0          20.45GVEJ053I52
     K21J01B KC2021 05 04.39802113 06 26.90 +34 28 13.0          20.29GVEJ053I52
     K21J01B KC2021 05 04.39858513 06 24.92 +34 28 02.0          20.31GVEJ053I52
     K21J01B KC2021 05 04.39971513 06 21.03 +34 27 41.0          20.73GVEJ053I52
     K21J01B KC2021 05 04.86778712 36 59.96 +31 29 06.0          19.8 GVEJ053J95
     K21J01B KC2021 05 04.87397712 36 30.75 +31 26 04.7          19.5 GVEJ053J95
     K21J01B KC2021 05 04.87968612 36 03.76 +31 23 15.4          19.5 GVEJ053J95
     K21J01B KC2021 05 04.88540812 35 36.45 +31 20 24.8          19.6 GVEJ053J95
     K21J01B bC2021 05 04.93655612 31 17.50 +30 54 40.2          19.6 GVEJ053L01
     K21J01B bC2021 05 04.93725512 31 14.09 +30 54 17.5          19.6 GVEJ053L01
     K21J01B bC2021 05 04.93914212 31 04.70 +30 53 15.6          19.5 GVEJ053L01
     K21J01B bC2021 05 04.94193012 30 50.83 +30 51 43.0          19.6 GVEJ053L01

Observer details:
G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers B. Gray, D. Rankin, F.
    C. Shelly, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A.
    D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
    Pruyne, R. L. Seaman, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
    Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
    Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2021 JB1                                                 Earth MOID = 0.0011 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 246.65098              (2000.0)            P               Q                  
n   0.62779559     Peri.  227.96281     +0.02682663     +0.97532847             
a   1.3507984      Node    45.05537     -0.80109775     +0.15209041             
e   0.3098354      Incl.   18.03435     -0.59793204     -0.16000901             
P   1.57           H   27.20          G   0.15           U   7                  
Residuals in seconds of arc
210503 G96  0.4+  0.4+    210504 I52  0.1-  0.1-    210504 J95  0.8+  0.2-
210503 G96  0.4-  0.3-    210504 I52  0.9+  0.2+    210504 J95  0.0   0.1-
210504 G96  0.3-  0.4-    210504 I52  0.3+  0.2-    210504 L01  0.5-  0.0
210504 G96  0.4-  0.3-    210504 I52  0.0   0.1-    210504 L01  0.2+  0.3+
210504 G96  0.1+  0.0     210504 J95  0.2-  0.1-    210504 L01  0.2-  0.5+
210504 I52  0.7+  0.3+    210504 J95  0.2-  0.1+    210504 L01  0.6-  0.0

Ephemeris:
2021 JB1                 a,e,i = 1.35, 0.31, 18                  q = 0.9323
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 05    15 12 51.2 +37 21 04   0.2195  1.1437   126.2    44.9    25.9
...
2021 04 20    15 09 19.0 +39 33 13   0.1142  1.0755   125.9    49.2    24.5
...
2021 04 28    14 51 22.5 +39 54 22   0.05881 1.0420   125.6    51.8    23.0
...
2021 05 04    13 26 10.6 +36 02 36   0.01826 1.0188   124.9    54.3    20.5
2021 05 05    12 26 32.1 +30 23 18   0.01228 1.0152   122.3    57.1    19.7
2021 05 06    10 31 35.7 +12 00 15   0.0080721.0115   109.7    69.9    19.2
...
2021 05 12    04 26 53.5 -39 50 06   0.03972 0.9911    60.3   117.7    24.9
...
2021 05 20    03 52 37.3 -39 58 52   0.09458 0.9679    59.9   115.2    26.5
...
2021 06 04    03 40 21.4 -37 49 37   0.1959  0.9395    62.3   107.1    27.5

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J53




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