[Iaude] MPEC E181: 2021 FU1 [a=1.32,e=0.50,i=28.6,H=21.80]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Mar 14 10:11:49 EDT 2024


M.P.E.C. 2024-E181                               Issued 2024 March 14, 14:10 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

                                    2021 FU1                                    


                           Revision to MPEC 2021-F73                            

Additional Observations:
     K21F01U 1C2024 02 16.43966 14 11 00.36 +46 25 47.5          21.3 GVEE181G96
     K21F01U 1C2024 02 16.44489 14 10 57.18 +46 25 45.6          21.3 GVEE181G96
     K21F01U 1C2024 02 16.45011 14 10 53.91 +46 25 44.3          21.7 GVEE181G96
     K21F01U 1C2024 03 13.24146210 44 18.488+28 34 12.83         20.80GVEE181G96
     K21F01U 1C2024 03 13.24660810 44 17.218+28 33 55.62         21.00GVEE181G96
     K21F01U 1C2024 03 13.25176010 44 15.824+28 33 40.10         21.01GVEE181G96
     K21F01U 1C2024 03 13.25690610 44 14.492+28 33 24.62         20.52GVEE181G96

Observer details:
G96 Mt. Lemmon Survey.  Observers V. F. Carvajal, J. K. Hogan.  Measurers B.
    Gray, D. Rankin, F. C. Shelly, T. Beuden, V. F. Carvajal, D. Fay, J. B.
    Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, K. W.
    Wierzchos.  1.5-m reflector + 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
240216 G96 1.50+ 7.52+    240313 G96 3.35+ 4.22+    MPO624188   -2.89 days

Orbital elements:
2021 FU1                                                 Earth MOID = 0.2510 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M  77.23639              (2000.0)            P               Q                  
n   0.65226439     Peri.   44.22079     +0.74566478     -0.66591163             
a   1.3168014      Node   357.20438     +0.39608786     +0.47117325             
e   0.5041923      Incl.   28.61823     +0.53581569     +0.57840943             
P   1.51           H   21.80          G   0.15           U   1                  
Residuals in seconds of arc
210319 G96  0.0   0.1-    210320 G96  0.1+  0.3-    210402 807  0.0   0.3-
210319 G96  0.1+  0.0     210320 G96  0.4-  0.4+    240216 G96  0.1-  0.1+
210319 G96  0.5+  0.6-    210320 G96  0.3+  0.2+    240216 G96  0.4+  0.4-
210319 I52  0.1+  0.2+    210321 H21  0.2+  0.6+    240216 G96  0.1-  0.2-
210319 I52  0.5+  0.2+    210321 H21  0.2+  0.4+    240313 G96  0.7-  0.4+
210319 I52  0.7-  0.4+    210322 G96  0.0   0.6+    240313 G96  0.1+  0.7-
210319 I52  0.0   0.5+    210322 G96  0.7-  0.6-    240313 G96  0.6-  0.1-
210320 H21  0.2-  0.1-    210322 G96  0.1-  0.4+    240313 G96  0.5-  0.5+
210320 H21  0.3-  0.0     210402 807  0.0   0.5-
210320 H21  0.6-  0.1+    210402 807  0.1+  0.4-

Ephemeris:
2021 FU1                 a,e,i = 1.32, 0.50, 29                  q = 0.6529
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 13    14 44 29.7 +46 23 41   0.3225  1.1383   109.9    54.6    21.6
...
2024 02 28    12 16 06.9 +41 15 42   0.3265  1.2606   140.9    29.7    21.2
...
2024 03 07    11 16 10.5 +34 14 26   0.3636  1.3222   151.0    21.3    21.3
...
2024 03 13    10 45 19.6 +28 46 55   0.4073  1.3666   151.8    20.1    21.5
2024 03 14    10 41 12.2 +27 54 58   0.4158  1.3738   151.4    20.3    21.6
2024 03 15    10 37 20.2 +27 04 04   0.4246  1.3810   150.9    20.5    21.7
...
2024 03 21    10 18 52.1 +22 23 40   0.4831  1.4233   146.2    22.9    22.1
...
2024 03 29    10 03 57.0 +17 17 51   0.5741  1.4770   138.2    26.8    22.6
...
2024 04 13    09 54 14.2 +10 28 44   0.7725  1.5700   123.8    32.0    23.6

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E181





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