[Iaude] MPEC X177: 2020 FN3 [a=1.01,e=0.21,i=0.9,H=24.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 14 14:57:27 EST 2020


M.P.E.C. 2020-X177                            Issued 2020 December 14, 19:56 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

                                    2020 FN3                                    


                           Revision to MPEC 2020-F104                           

Additional Observations:
     K20F03N &C2020 12 13.34406010 20 10.588+12 52 03.64         24.7 GVEX177309
     K20F03N &C2020 12 13.34695810 20 10.788+12 52 02.36         24.7 GVEX177309
     K20F03N &C2020 12 14.33070910 21 28.353+12 46 47.62         24.9 GVEX177309
     K20F03N &C2020 12 14.33356410 21 28.554+12 46 46.75         25.0 GVEX177309
     K20F03N &C2020 12 14.33641510 21 28.746+12 46 45.75         24.6 GVEX177309

Observer details:
309 Cerro Paranal.  Observers O. Hainaut, D. Koschny, M. Micheli, L. Conversi.
    Measurer M. Micheli.  8.2-m VLT + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
201213 309 74.2- 36.6-    201214 309 76.6- 37.3-    E2020-FH8   +0.02 days

Orbital elements:
2020 FN3                                                 Earth MOID = 0.0021 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 171.24700              (2000.0)            P               Q
n   0.96673372     Peri.  270.08505     +0.35616960     +0.93440483
a   1.0129736      Node    20.78276     -0.85097024     +0.32680969
e   0.2081391      Incl.    0.89659     -0.38599594     +0.14171466
P   1.02           H   24.3           G   0.15           U   6
Residuals in seconds of arc
200322 F51  0.3+  0.1+    200323 J95  1.2-  0.0     200326 I52  0.5+  0.0
200322 F51  0.1+  0.1+    200323 J95  0.2+  0.2+    200326 I52  0.1+  0.0
200322 F51  0.0   0.1+    200323 033  0.2-  0.6-    200327 J95  0.2+  0.1+
200322 033  0.1+  0.4-    200324 033  0.4+  0.5-    200327 J95  0.2-  0.3+
200322 033  0.1-  0.2-    200324 033  0.0   0.0     200328 J04  0.1-  0.4-
200322 033  0.2-  0.2-    200324 I52  0.2-  0.3-    200328 J04  0.0   0.2-
200323 L01  0.0   0.7+    200324 I52  0.2-  0.6-    200328 J04  0.0   0.2-
200323 L01  0.6+  0.5+    200324 I52  0.1+  0.2-    201213 309  0.0   0.3+
200323 033  0.4-  0.5-    200324 I52  0.6+  0.9-    201213 309  0.1-  0.1-
200323 033  0.1-  0.3-    200325 I52  0.5+  0.4-    201214 309  0.1+  0.0
200323 033  0.5-  0.3-    200325 I52  0.2-  0.1+    201214 309  0.1+  0.0
200323 L01  0.5+  0.1+    200325 I52  0.4+  0.3+    201214 309  0.1-  0.1-
200323 246 (2.7+  1.2+)   200326 I52  0.1-  0.1+
200323 246  0.7+  1.0+    200326 I52  0.3+  0.6-

Ephemeris:
2020 FN3                 a,e,i = 1.01, 0.21, 1                   q = 0.8021
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 14    09 29 18.0 +16 27 15   0.6174  1.1878    92.4    56.3    25.7
...
2020 11 29    09 57 56.8 +14 26 31   0.5438  1.2088   100.3    53.4    25.3
...
2020 12 07    10 11 04.3 +13 30 02   0.5012  1.2164   105.1    51.4    25.1
...
2020 12 13    10 19 42.6 +12 53 45   0.4682  1.2203   109.0    49.7    24.9
2020 12 14    10 21 02.0 +12 48 21   0.4626  1.2208   109.7    49.4    24.9
2020 12 15    10 22 19.3 +12 43 09   0.4570  1.2213   110.4    49.0    24.9
...
2020 12 21    10 29 15.4 +12 16 46   0.4235  1.2233   114.8    46.9    24.6
...
2020 12 29    10 36 05.2 +11 56 48   0.3791  1.2236   121.2    43.4    24.3
...
2021 01 13    10 38 45.8 +12 24 35   0.2998  1.2172   136.0    34.1    23.5

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-X177




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