[Iaude] MPEC X80: 2021 XG1 [a=1.05,e=0.11,i=8.3,H=27.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 3 14:09:28 EST 2021


M.P.E.C. 2021-X80                              Issued 2021 December 3, 19:07 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 XG1                                    


Observations:
     K21X01G  C2021 11 28.43821202 23 37.934+40 27 02.55         21.78GVEX080F52
     K21X01G  C2021 11 28.46109202 23 33.506+40 28 55.66         22.48GVEX080F52
     K21X01G  C2021 11 28.47256602 23 31.329+40 29 51.51         21.14GVEX080F52
     K21X01G* C2021 12 01.27230602 19 03.44 +43 58 22.4          22.80GVEX080V00
     K21X01G  C2021 12 01.27717502 19 02.70 +43 58 39.5          22.39GVEX080V00
     K21X01G  C2021 12 01.28202802 19 01.99 +43 58 56.3          22.42GVEX080V00
     K21X01G  C2021 12 01.28688802 19 01.28 +43 59 12.9          22.42GVEX080V00
     K21X01G mC2021 12 01.40290102 18 46.45 +44 05 32.5          22.14GVEX080V00
     K21X01G mC2021 12 01.40378902 18 46.38 +44 05 35.3          21.81GVEX080V00
     K21X01G mC2021 12 01.40467602 18 46.31 +44 05 36.8          21.54GVEX080V00
     K21X01G mC2021 12 01.40556402 18 46.18 +44 05 40.7          22.42GVEX080V00
     K21X01G mC2021 12 02.23421002 17 55.68 +44 54 37.8          22.77GVEX080V00
     K21X01G mC2021 12 02.23486602 17 55.59 +44 54 39.7          22.48GVEX080V00
     K21X01G mC2021 12 02.23552102 17 55.50 +44 54 41.8          23.17GVEX080V00
     K21X01G mC2021 12 02.23618302 17 55.40 +44 54 43.8          22.69GVEX080V00

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
    McMillan, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  2.25-m
    reflector + CCD.

Orbital elements:
2021 XG1                                                 Earth MOID = 0.0204 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 121.03358              (2000.0)            P               Q                  
n   0.91335530     Peri.  283.43065     +0.93674866     +0.32838996             
a   1.0520657      Node    57.52130     -0.23893385     +0.85279902             
e   0.1091844      Incl.    8.25258     -0.25575881     +0.40607126             
P   1.08           H   27.38          G   0.15           U   6                  
Residuals in seconds of arc
211128 F52  0.1+  0.1+    211201 V00  0.1+  0.0     211201 V00  0.1-  0.1-
211128 F52  0.1-  0.0     211201 V00  0.2+  0.2-    211202 V00  0.1-  0.1+
211128 F52  0.6-  0.1-    211201 V00  0.2-  0.1+    211202 V00  0.1-  0.0
211201 V00  0.2+  0.1-    211201 V00  0.0   0.1+    211202 V00  0.1-  0.0
211201 V00  0.0   0.1+    211201 V00 (0.3+  1.2-)   211202 V00  0.1-  0.2-

Ephemeris:
2021 XG1                 a,e,i = 1.05, 0.11, 8                   q = 0.9372
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 03    07 50 36.3 -76 23 22   0.04328 0.9839    77.9    99.6    24.1
...
2021 11 18    03 03 58.8 +01 57 46   0.02221 1.0096   161.4    18.2    20.1
...
2021 11 26    02 29 23.0 +36 05 43   0.04115 1.0241   153.9    25.1    21.7
...
2021 12 02    02 18 13.7 +44 40 59   0.05977 1.0351   144.3    33.7    22.7
2021 12 03    02 17 09.6 +45 34 18   0.06302 1.0370   143.2    34.7    22.9
2021 12 04    02 16 17.0 +46 21 40   0.06631 1.0388   142.1    35.6    23.0
...
2021 12 10    02 14 33.6 +49 37 49   0.08660 1.0499   137.0    39.8    23.7
...
2021 12 18    02 19 30.9 +51 46 52   0.1148  1.0645   132.2    43.3    24.5
...
2022 01 02    02 43 16.5 +52 58 28   0.1704  1.0905   125.2    47.4    25.5

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X80




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