[Iaude] MPEC J22: 2021 JF [a=0.96,e=0.13,i=10.4,H=26.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun May 2 17:32:00 EDT 2021


M.P.E.C. 2021-J22                                   Issued 2021 May 2, 21:30 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 JF                                     


Observations:
     K21J00F* C2021 05 01.40520315 21 50.81 -06 32 07.5          19.89GVEJ022G96
     K21J00F  C2021 05 01.41075815 21 48.54 -06 30 21.7          19.53GVEJ022G96
     K21J00F  C2021 05 01.41630615 21 46.34 -06 28 37.8          19.65GVEJ022G96
     K21J00F  C2021 05 01.42186815 21 44.17 -06 26 52.5          19.24GVEJ022G96
     K21J00F  C2021 05 01.43746315 21 37.36 -06 22 03.8          19.6 GVEJ022H01
     K21J00F  C2021 05 01.44099515 21 35.98 -06 20 57.6          19.7 GVEJ022H01
     K21J00F  C2021 05 01.44856815 21 33.10 -06 18 34.8          19.7 GVEJ022H01
     K21J00F KC2021 05 01.45098915 21 32.71 -06 17 44.1          19.78GVEJ022I52
     K21J00F KC2021 05 01.45195915 21 32.35 -06 17 25.7          19.24GVEJ022I52
     K21J00F  C2021 05 01.45557815 21 30.42 -06 16 22.3          19.4 GVEJ022H01
     K21J00F KC2021 05 01.47266415 21 24.44 -06 10 55.8          19.03GVEJ022I52
     K21J00F KC2021 05 01.47382415 21 24.02 -06 10 34.8          19.12GVEJ022I52
     K21J00F KC2021 05 01.97183015 19 09.52 -03 40 34.4          19.2 GVEJ022I93
     K21J00F KC2021 05 01.98636915 19 04.21 -03 36 19.0          19.5 GVEJ022I93
     K21J00F KC2021 05 01.99299015 19 01.76 -03 34 22.7          19.1 GVEJ022I93
     K21J00F KC2021 05 02.27309315 17 43.77 -02 12 44.4          19.68GVEJ022I52
     K21J00F KC2021 05 02.27385115 17 43.45 -02 12 31.4          19.40GVEJ022I52
     K21J00F KC2021 05 02.27460615 17 43.28 -02 12 22.8          19.98GVEJ022I52
     K21J00F KC2021 05 02.81805 15 15 06.05 +00 16 16.7          20.1 GVEJ022N82
     K21J00F KC2021 05 02.82597 15 15 03.48 +00 18 22.3          19.8 GVEJ022N82
     K21J00F KC2021 05 02.83388 15 15 00.80 +00 20 28.7          19.9 GVEJ022N82

Observer details:
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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + 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.  Observers F. Losse, W. D'Anna.  Measurer F. Losse.
    0.40-m f/3.7 reflector + CCD.
N82 Multa Observatory.  Observer L. Elenin.  0.4-m f/1.25 reflector + CCD.

Orbital elements:
2021 JF                                                  Earth MOID = 0.0232 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 339.95011              (2000.0)            P               Q                  
n   1.04996200     Peri.  227.88799     +0.05607724     -0.99183436             
a   0.9587094      Node   219.34142     +0.96106302     +0.08471287             
e   0.1347390      Incl.   10.40955     +0.27057942     -0.09533271             
P   0.94           H   26.34          G   0.15           U   6                  
Residuals in seconds of arc
210501 G96  0.1+  0.3-    210501 I52  0.0   0.0     210501 I93  0.2+  0.2+
210501 G96  0.4-  0.7+    210501 I52  0.3+  0.1+    210502 I52  0.3+  0.2-
210501 G96  0.1-  0.1-    210501 H01  0.2-  0.2+    210502 I52  0.2-  0.1-
210501 G96  0.6+  0.3+    210501 I52  0.1-  0.7+    210502 I52 (1.4+  4.4-)
210501 H01  0.0   0.2-    210501 I52  0.0   0.1-    210502 N82  0.5-  0.6+
210501 H01  0.3-  0.6-    210501 I93  0.9-  1.4+    210502 N82  0.5+  0.2-
210501 H01  0.0   0.5-    210501 I93  0.1+  0.5+    210502 N82  0.3-  0.0

Ephemeris:
2021 JF                  a,e,i = 0.96, 0.13, 10                  q = 0.8295
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 02    00 50 26.7 -68 50 43   0.08632 0.9787    73.7   101.5    24.7
...
2021 04 17    20 00 23.5 -76 07 22   0.04378 1.0114    98.8    78.7    22.3
...
2021 04 25    16 15 19.2 -46 58 25   0.02871 1.0272   137.1    41.8    20.3
...
2021 05 01    15 24 07.7 -08 39 09   0.03135 1.0379   165.9    13.7    19.7
2021 05 02    15 18 57.2 -03 29 17   0.03309 1.0396   164.2    15.3    19.9
2021 05 03    15 14 20.7 +01 07 07   0.03509 1.0413   161.3    18.1    20.1
...
2021 05 09    14 54 51.2 +19 09 41   0.05084 1.0508   143.5    34.9    21.4
...
2021 05 17    14 41 26.4 +29 08 58   0.07634 1.0619   129.9    46.9    22.7
...
2021 06 01    14 34 16.0 +34 11 36   0.1270  1.0774   116.9    57.1    24.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J22




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