[Iaude] MPEC D142: 2020 FL [a=0.87,e=0.40,i=5.9,H=24.81]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Feb 29 09:08:47 EST 2024


M.P.E.C. 2024-D142                            Issued 2024 February 29, 14:07 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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 FL                                     


                           Revision to MPEC 2020-F20                            

Additional Observations:
     K20F00L 0C2024 02 06.45101208 38 08.010+39 57 36.15         23.27GVED142T12
     K20F00L 0C2024 02 06.47052608 38 00.053+39 57 38.03         23.41GVED142T12
     K20F00L 0C2024 02 07.53638408 31 05.352+39 58 48.56         23.61GVED142T12
     K20F00L 0C2024 02 07.55538808 30 57.790+39 58 46.51         23.46GVED142T12

Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240206 T12 0.05+ 0.01+    240207 T12 0.05+ 0.01+    E2023-Y46   +0.03 days

Orbital elements:
2020 FL                                                  Earth MOID = 0.0027 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 257.42387              (2000.0)            P               Q                  
n   1.21212522     Peri.  309.79223     +0.61384770     +0.78941685             
a   0.8711730      Node   358.06604     -0.68922743     +0.53378761             
e   0.3967757      Incl.    5.90055     -0.38491109     +0.30313664             
P   0.81           H   24.81          G   0.15           U   4                  
Residuals in seconds of arc
200316 703  0.3+  0.4-    200316 246  1.0-  0.1+    200316 Z80  0.1-  0.1-
200316 703  0.3+  0.3-    200316 246  0.8-  0.1-    200316 Z80  0.1+  0.1+
200316 703  0.6+  0.8-    200316 246  0.2-  0.2-    200316 Z80  0.1-  0.3+
200316 703  0.7-  0.3-    200316 246  0.3+  0.1+    200316 Z80  0.4+  1.1+
200316 I52 (1.1+  0.3-)   200316 L18  0.6+  0.9-    200316 J69  0.0   0.7-
200316 I52  0.1+  0.3+    200316 L18  1.1+  0.1-    200316 J69  0.8+  0.0
200316 I52  0.5-  0.1+    200316 L18 (2.0+  0.3+)   200316 J69  0.2+  0.9-
200316 I52 (1.2-  0.2-)   200316 L04  0.3-  0.0     200316 J69  0.1+  0.7-
200316 L04  1.4-  0.2+    200316 204  0.3+  0.1+    200316 J69  0.1+  0.8-
200316 L04  1.3-  0.3+    200316 204  0.2+  0.2+    200316 J69  0.0   0.6-
200316 L04  0.2-  0.1+    200316 204  0.0   0.1+    200317 I52  0.0   0.2-
200316 246  0.0   0.1+    200316 J95  0.3+  0.2+    200317 I52  0.2+  0.2+
200316 246  0.1-  0.6-    200316 204  0.3-  0.0     200317 I52  0.1+  0.1-
200316 246  0.1-  0.4+    200316 J95  0.3-  0.4+    200317 I52  0.8+  0.2-
200316 L01  0.1+  0.2+    200316 J95  0.4+  0.2+    200317 033  0.4-  0.0
200316 246  1.4-  0.2-    200316 J95  0.1-  0.2-    200317 033  0.0   0.1+
200316 246  1.4-  0.7+    200316 204  0.1-  0.2+    200317 033  0.1-  0.1-
200316 246  1.1-  0.1-    200316 C47  0.5-  0.1-    200317 033  0.1-  0.2-
200316 L01  0.2+  0.1+    200316 C47  0.4+  0.0     200317 033  0.3-  0.2-
200316 L01  0.4-  0.1+    200316 C47  0.2+  0.1+    200317 K87  0.2-  0.4-
200316 L01  0.0   0.1+    200316 C47  0.2+  0.0     200317 K87  0.3+  0.1+
200316 L01  0.1+  0.2+    200316 C47  0.6-  0.2+    200317 K87  0.9-  0.1-
200316 033  0.0   0.3-    200316 033  0.7-  0.2-    240206 T12  0.0   0.1+
200316 033  0.7-  0.2-    200316 033  0.6-  0.1-    240206 T12  0.1+  0.1-
200316 246  0.8-  0.2+    200316 033  0.9-  0.2-    240207 T12  0.0   0.0
200316 033  0.5-  0.3-    200316 G34 (2.5+  0.0 )   240207 T12  0.1-  0.1-
200316 246  0.4-  0.2+    200316 G34 (2.9+  0.1-)
200316 246  0.1-  0.2+    200316 G34  0.5-  0.5+

Ephemeris:
2020 FL                  a,e,i = 0.87, 0.40, 6                   q = 0.5255
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 30    09 26 24.6 +38 40 17   0.2466  1.2165   157.5    18.0    23.1
...
2024 02 14    07 52 15.1 +39 18 37   0.2567  1.2041   143.8    29.0    23.5
...
2024 02 22    07 15 06.4 +37 10 10   0.2778  1.1902   131.1    38.7    24.0
...
2024 02 28    06 55 57.8 +35 10 38   0.2976  1.1765   122.3    45.4    24.3
2024 02 29    06 53 25.5 +34 50 18   0.3011  1.1739   120.9    46.4    24.3
2024 03 01    06 51 03.4 +34 30 00   0.3047  1.1712   119.5    47.4    24.4
...
2024 03 07    06 40 03.5 +32 30 58   0.3265  1.1536   111.7    53.1    24.6
...
2024 03 15    06 32 16.4 +30 04 45   0.3554  1.1255   102.4    59.7    25.0
...
2024 03 30    06 30 24.3 +26 11 20   0.4004  1.0588    87.4    70.4    25.4

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-D142




More information about the Iaude mailing list