[Iaude] MPEC Y39: 2021 XO1 [a=2.35,e=0.79,i=23.9,H=18.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 19 09:06:06 EST 2021


M.P.E.C. 2021-Y39                             Issued 2021 December 19, 14:04 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 XO1                                    


                           Revision to MPEC 2021-X89                            

Additional Observations:
     K21X01O KC2013 11 26.32643303 48 05.991+15 27 35.72         22.89GVEY039F51
     K21X01O  C2015 09 09.59529402 47 45.328-09 40 27.28         22.80GVEY039F51
     K21X01O  C2015 09 09.60694902 47 44.813-09 40 32.43         21.73GVEY039F51
     K21X01O  C2015 09 10.56831202 47 00.785-09 48 20.76         22.41GVEY039F51
     K21X01O  C2015 09 10.57822902 47 00.292-09 48 25.61         22.98GVEY039F51
     K21X01O  C2015 09 10.58817902 46 59.820-09 48 30.36         22.77GVEY039F51
     K21X01O  C2015 09 10.59810302 46 59.330-09 48 35.26         22.15GVEY039F51
     K21X01O  C2015 10 10.43708902 13 38.202-13 23 49.46         22.10GVEY039F51
     K21X01O  C2015 10 10.44682802 13 37.406-13 23 52.91         22.15GVEY039F51
     K21X01O  C2015 10 10.45653402 13 36.606-13 23 55.60         22.46GVEY039F51
     K21X01O  C2015 10 10.46624902 13 35.804-13 23 58.70         22.17GVEY039F51
     K21X01O  C2015 10 12.47675402 10 52.857-13 34 02.70         21.94GVEY039F51
     K21X01O  C2015 10 12.49709002 10 51.174-13 34 08.07         22.03GVEY039F51
     K21X01O  C2015 10 12.50726502 10 50.327-13 34 11.00         22.43GVEY039F51
     K21X01O  C2015 10 13.46632702 09 32.332-13 38 41.02         22.46GVEY039F51
     K21X01O  C2015 10 13.47636002 09 31.508-13 38 43.65         22.51GVEY039F51
     K21X01O  C2015 10 13.48641002 09 30.681-13 38 46.43         22.82GVEY039F51
     K21X01O KC2015 11 01.34426901 44 44.160-14 23 48.20         23.55GVEY039F51
     K21X01O  C2017 11 21.37327904 45 27.558+23 21 29.52         22.01GVEY039F51
     K21X01O  C2017 11 21.38626304 45 26.517+23 21 30.50         22.19GVEY039F51
     K21X01O  C2017 11 21.39938704 45 25.456+23 21 31.05         22.08GVEY039F51
     K21X01O  C2017 12 10.28579104 18 17.038+23 25 45.82         22.15GVEY039F51
     K21X01O  C2017 12 10.31065604 18 14.804+23 25 45.62         21.02GVEY039F51
     K21X01O  C2017 12 10.32305004 18 13.702+23 25 45.30         21.98GVEY039F51
     K21X01O  C2021 11 01.53422107 04 52.577+31 10 26.22         22.43GVEY039F52
     K21X01O  C2021 11 01.54573407 04 52.780+31 10 32.03         22.22GVEY039F52
     K21X01O  C2021 11 01.55720007 04 52.958+31 10 38.22         22.08GVEY039F52
     K21X01O  C2021 11 01.63921307 04 54.251+31 11 21.49         22.25GVEY039F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
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.

Orbital elements:
2021 XO1                                                 Earth MOID = 0.3552 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 335.82154              (2000.0)            P               Q                  
n   0.27312336     Peri.  159.36147     -0.66013351     +0.65178303             
a   2.3526834      Node    67.16782     -0.73339695     -0.45184859             
e   0.7925227      Incl.   23.89794     -0.16233501     -0.60910733             
P   3.61           H   18.17          G   0.15           U   1                  
Residuals in seconds of arc
131126 F51  0.2+  0.1+    211101 F52  0.0   0.1-    211203 I52  0.2-  0.1+
150909 F51 (0.5-  0.2-)   211101 F52  0.0   0.0     211203 I52  0.0   0.2-
150909 F51  0.1-  0.3+    211101 F51  0.0   0.0     211203 734  0.1-  1.0-
150910 F51  0.1+  0.1-    211201 G96  0.0   0.0     211203 734  0.2-  0.1-
150910 F51  0.1-  0.1-    211201 G96  0.1+  0.2+    211203 734  0.1+  1.5+
150910 F51  0.1+  0.0     211201 G96  0.1+  0.2+    211203 L01  0.5-  0.0
150910 F51  0.1-  0.1-    211201 G96  0.1-  0.4-    211203 L01  0.3-  0.2+
151010 F51  0.1-  0.2+    211201 I52  0.2-  0.4+    211203 L01  0.3-  0.1-
151010 F51  0.0   0.2-    211201 I52  0.1-  0.1-    211203 L01  0.1-  0.2-
151010 F51  0.0   0.2+    211201 I52  0.1-  0.1+    211203 L01  0.3+  0.0
151010 F51  0.0   0.1+    211202 I52  0.2-  0.1-    211205 I52  0.0   0.1+
151012 F51  0.0   0.3-    211202 I52  0.3-  0.0     211205 I52  0.0   0.0
151012 F51  0.0   0.2+    211202 I52  0.4-  0.8-    211205 I52  0.2+  0.3-
151012 F51  0.0   0.2+    211202 I52  0.4+  0.3-    211206 I52  0.2+  0.2-
151013 F51  0.1-  0.2-    211202 H21  0.4+  0.1-    211206 I52  0.2+  0.4-
151013 F51  0.0   0.1-    211202 H21  0.9+  0.3+    211206 I52  0.3-  0.1-
151013 F51  0.2+  0.1-    211202 I52  0.1-  0.0     211206 I52  0.0   0.1-
151101 F51  0.1-  0.3+    211202 I52  0.1-  0.8+    211208 I52  0.4+  0.0
171121 F51  0.3-  0.2-    211202 I52  0.1+  0.1-    211208 I52  0.0   0.1+
171121 F51  0.1-  0.1+    211202 033  0.1-  0.0     211208 I52  0.0   0.2-
171121 F51  0.1-  0.0     211202 033  0.1-  0.2+    211212 I52 (1.6-  0.3-)
171210 F51  0.0   0.1-    211202 033  0.1+  0.1+    211212 I52  0.4-  0.5-
171210 F51  0.1+  0.0     211202 033  0.1+  0.1-    211212 I52  0.5-  0.0
171210 F51  0.4+  0.1-    211202 C95  0.3-  0.1-    211212 I52  0.5+  0.6+
211101 F52  0.2-  0.2+    211203 C95  0.7-  0.6-

Ephemeris:
2021 XO1                 a,e,i = 2.35, 0.79, 24                  q = 0.4881
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 19    07 04 40.6 +34 21 45   1.4622  2.2460   131.9    19.1    21.7
...
2021 12 04    06 52 11.0 +38 17 25   1.2025  2.1025   147.6    14.5    21.0
...
2021 12 12    06 38 36.7 +40 47 54   1.0860  2.0223   155.2    11.8    20.6
...
2021 12 18    06 24 30.0 +42 46 05   1.0108  1.9605   158.7    10.5    20.3
2021 12 19    06 21 47.6 +43 05 45   0.9993  1.9501   159.0    10.4    20.3
2021 12 20    06 18 59.1 +43 25 18   0.9881  1.9396   159.2    10.4    20.2
...
2021 12 26    05 59 57.8 +45 18 06   0.9280  1.8757   157.8    11.4    20.1
...
2022 01 03    05 29 19.5 +47 24 01   0.8664  1.7880   150.3    15.8    20.0
...
2022 01 18    04 24 24.7 +49 08 37   0.8031  1.6153   129.1    28.2    20.0

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-Y39




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