[Iaude] MPEC X187: 2021 XF5 [a=0.75,e=0.35,i=3.4,H=27.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 10 19:24:51 EST 2021


M.P.E.C. 2021-X187                            Issued 2021 December 11, 00:23 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 XF5                                    


Observations:
     K21X05F* C2021 12 08.39299008 21 04.87 +30 36 20.7          20.38GVEX187G96
     K21X05F  C2021 12 08.39823208 20 57.18 +30 36 35.6          20.84GVEX187G96
     K21X05F  C2021 12 08.40348208 20 49.61 +30 36 50.2          20.55GVEX187G96
     K21X05F KC2021 12 08.42696308 20 15.50 +30 37 50.9          20.56GVEX187I52
     K21X05F KC2021 12 08.42791108 20 14.08 +30 37 52.2          19.67GVEX187I52
     K21X05F KC2021 12 08.42885908 20 12.71 +30 37 55.6          20.34GVEX187I52
     K21X05F KC2021 12 08.47348608 19 06.56 +30 39 38.6          20.19GVEX187V06
     K21X05F KC2021 12 08.47399708 19 05.84 +30 39 39.7          20.69GVEX187V06
     K21X05F KC2021 12 08.47450808 19 05.04 +30 39 40.9          20.14GVEX187V06
     K21X05F KC2021 12 08.49056808 18 41.03 +30 40 13.9          19.78GVEX187V06
     K21X05F KC2021 12 08.49107508 18 40.31 +30 40 15.0          20.54GVEX187V06
     K21X05F KC2021 12 09.28201807 58 44.00 +31 10 28.4          20.14GVEX187I52
     K21X05F KC2021 12 09.28253407 58 43.02 +31 10 30.5          20.04GVEX187I52
     K21X05F KC2021 12 09.28305007 58 41.97 +31 10 32.0          19.70GVEX187I52
     K21X05F KC2021 12 10.98376306 33 42.81 +31 04 20.2          18.8 GVEX187J95
     K21X05F KC2021 12 10.98806506 33 21.92 +31 03 57.6          18.5 GVEX187J95
     K21X05F KC2021 12 10.99163406 33 04.61 +31 03 38.9          18.7 GVEX187J95
     K21X05F KC2021 12 10.99919306 32 27.79 +31 02 57.6          18.6 GVEX187J95

Observer details:
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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, D. Rankin, R. L. Seaman, F. C.
    Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.  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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer H. Groeller.  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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector + 1K CCD.

Orbital elements:
2021 XF5                                                 Earth MOID = 0.0025 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 270.49910              (2000.0)            P               Q                  
n   1.52718545     Peri.  344.38071     -0.42802753     +0.90186083             
a   0.7468067      Node   260.24703     -0.82268535     -0.41567020             
e   0.3540526      Incl.    3.41152     -0.37414068     -0.11775112             
P   0.65           H   27.66          G   0.15           U   8                  
Residuals in seconds of arc
211208 G96 (1.5+  0.7-)   211208 V06  0.6-  0.1-    211209 I52  0.4+  0.3+
211208 G96  0.3-  0.2-    211208 V06  0.0   0.2-    211209 I52  0.3+  0.0
211208 G96  0.3-  0.2+    211208 V06  0.6-  0.0     211210 J95  0.4+  0.2+
211208 I52  0.7+  0.0     211208 V06  1.0-  0.0     211210 J95  0.4-  0.1-
211208 I52 (0.3+  1.1-)   211208 V06  0.5-  0.1+    211210 J95  0.1-  0.1+
211208 I52  0.5+  0.0     211209 I52  0.2-  0.0     211210 J95  0.1+  0.2-

Ephemeris:
2021 XF5                 a,e,i = 0.75, 0.35, 3                   q = 0.4824
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 11    09 31 47.7 +26 58 27   0.1244  1.0020    91.9    81.0    26.0
...
2021 11 26    09 27 23.3 +27 19 06   0.06775 1.0097   107.7    68.6    24.2
...
2021 12 04    09 07 37.9 +28 33 44   0.03602 1.0043   120.2    58.1    22.5
...
2021 12 10    07 31 29.8 +31 34 17   0.01310 0.9959   146.9    32.7    19.6
2021 12 11    06 32 12.8 +31 08 21   0.0099300.9941   160.3    19.5    18.6
2021 12 12    04 53 21.1 +26 30 55   0.0076340.9922   173.8     6.1    17.5
...
2021 12 18    23 07 41.8 -18 14 30   0.02230 0.9785    75.2   103.6    23.2
...
2021 12 26    22 23 01.5 -22 55 35   0.05355 0.9545    55.9   121.5    26.2
...
2022 01 10    21 54 57.2 -24 50 51   0.1142  0.8918    34.6   141.2    29.7

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X187




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