[Iaude] MPEC J31: 2021 JN [a=1.27,e=0.20,i=24.9,H=24.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon May 3 03:23:22 EDT 2021


M.P.E.C. 2021-J31                                   Issued 2021 May 3, 07:22 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 JN                                     


Observations:
     K21J00N* C2021 05 02.26301613 41 40.95 +47 39 04.4          21.28GVEJ031G96
     K21J00N  C2021 05 02.26998113 41 35.01 +47 37 07.9          20.72GVEJ031G96
     K21J00N  C2021 05 02.27688013 41 29.26 +47 35 13.4          21.04GVEJ031G96
     K21J00N KC2021 05 02.31563913 40 56.72 +47 24 26.5          21.07GVEJ031I52
     K21J00N KC2021 05 02.31866113 40 54.17 +47 23 35.3          21.34GVEJ031I52
     K21J00N KC2021 05 02.39959413 39 47.29 +47 00 34.8          20.51GVEJ031I52
     K21J00N KC2021 05 02.40261713 39 44.85 +46 59 42.6          20.22GVEJ031I52
     K21J00N KC2021 05 02.40564113 39 42.43 +46 58 50.3          20.72GVEJ031I52
     K21J00N 1C2021 05 02.84594 13 34 17.81 +44 50 01.6          21.2 VVEJ031033
     K21J00N 1C2021 05 02.84681 13 34 17.10 +44 49 46.4          21.3 VVEJ031033
     K21J00N 1C2021 05 02.84767 13 34 16.42 +44 49 31.0          21.0 VVEJ031033
     K21J00N 1C2021 05 02.84854 13 34 15.74 +44 49 15.5          21.1 VVEJ031033
     K21J00N 1C2021 05 02.84940 13 34 15.05 +44 49 00.0          21.2 VVEJ031033
     K21J00N KC2021 05 02.88583413 33 47.75 +44 38 12.4          20.1 GVEJ031I93
     K21J00N KC2021 05 02.89946813 33 36.78 +44 34 04.9          20.5 GVEJ031I93

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  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.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.

Orbital elements:
2021 JN                                                  Earth MOID = 0.0419 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 286.49193              (2000.0)            P               Q                  
n   0.68481626     Peri.  142.64765     -0.94524645     +0.10990966             
a   1.2747353      Node    46.78711     -0.28768950     -0.72519133             
e   0.2021843      Incl.   24.93779     +0.15409054     -0.67971862             
P   1.44           H   24.66          G   0.15           U   8                  
Residuals in seconds of arc
210502 G96  0.5+  1.0+    210502 I52  0.2-  0.0     210502 033  0.0   0.1+
210502 G96  0.3-  0.2-    210502 I52  0.0   0.0     210502 033  0.1+  0.2+
210502 G96  0.3+  0.4-    210502 I52  0.3+  0.0     210502 033  0.1+  0.2+
210502 I52  0.0   0.4+    210502 033  0.0   0.4-    210502 I93  0.2-  0.4+
210502 I52  0.2-  0.1+    210502 033  0.1-  0.0     210502 I93  0.0   0.5-

Ephemeris:
2021 JN                  a,e,i = 1.27, 0.20, 25                  q = 1.0170
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 03    18 33 02.6 +72 24 37   0.2640  1.0170    86.2    78.8    24.6
...
2021 04 18    16 51 23.3 +71 25 02   0.1628  1.0232    92.1    78.7    23.5
...
2021 04 26    15 09 13.0 +65 13 30   0.1078  1.0316   100.7    73.5    22.5
...
2021 05 02    13 45 06.2 +48 49 38   0.07187 1.0400   114.9    61.5    21.2
2021 05 03    13 32 18.9 +44 03 35   0.06720 1.0416   118.4    58.4    21.0
2021 05 04    13 20 06.0 +38 31 16   0.06317 1.0433   122.2    54.9    20.8
...
2021 05 10    12 20 16.7 -05 09 55   0.05914 1.0540   137.4    40.5    20.2
...
2021 05 18    11 32 43.9 -40 41 25   0.1002  1.0707   123.9    51.6    21.7
...
2021 06 02    11 00 43.9 -57 52 03   0.2096  1.1080   111.4    58.5    23.6

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J31




More information about the Iaude mailing list