[Iaude] MPEC X89: 2021 XO1 [a=2.28,e=0.78,i=23.3,H=18.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 3 19:06:50 EST 2021


M.P.E.C. 2021-X89                              Issued 2021 December 4, 00:05 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                                    


Observations:
     K21X01O* C2021 12 01.32870506 55 31.71 +37 30 32.0          20.99GVEX089G96
     K21X01O  C2021 12 01.33389506 55 31.35 +37 30 37.6          21.07GVEX089G96
     K21X01O  C2021 12 01.33907706 55 30.98 +37 30 43.0          20.83GVEX089G96
     K21X01O  C2021 12 01.34424606 55 30.59 +37 30 47.8          20.63GVEX089G96
     K21X01O mC2021 12 01.44106106 55 23.57 +37 32 28.6          21.05GVEX089I52
     K21X01O mC2021 12 01.44618806 55 23.21 +37 32 33.4          21.31GVEX089I52
     K21X01O mC2021 12 01.45813206 55 22.34 +37 32 45.9          21.39GVEX089I52
     K21X01O KC2021 12 02.25837506 54 25.80 +37 46 36.9          20.78GVEX089I52
     K21X01O KC2021 12 02.26186906 54 25.52 +37 46 40.8          20.76GVEX089I52
     K21X01O KC2021 12 02.26547906 54 25.25 +37 46 43.9          20.77GVEX089I52
     K21X01O KC2021 12 02.26909106 54 25.04 +37 46 48.1          20.89GVEX089I52
     K21X01O KC2021 12 02.31731406 54 21.19 +37 47 39.2          20.9 VuEX089H21
     K21X01O KC2021 12 02.32465806 54 20.67 +37 47 47.3          20.7 VuEX089H21
     K21X01O mC2021 12 02.38788906 54 15.93 +37 48 54.1                VEX089I52
     K21X01O mC2021 12 02.39577406 54 15.32 +37 49 03.1          21.18GVEX089I52
     K21X01O mC2021 12 02.39972006 54 15.04 +37 49 06.4          20.73GVEX089I52
     K21X01O 1C2021 12 02.91029 06 53 37.03 +37 58 01.1          20.8 VVEX089033
     K21X01O 1C2021 12 02.91191 06 53 36.91 +37 58 03.0          20.5 VVEX089033
     K21X01O 1C2021 12 02.91352 06 53 36.80 +37 58 04.6          20.5 VVEX089033
     K21X01O 1C2021 12 02.91523 06 53 36.67 +37 58 06.2          20.6 VVEX089033
     K21X01O KC2021 12 02.99607106 53 30.36 +37 59 33.3          20.6 GZEX089C95
     K21X01O KC2021 12 03.03811906 53 26.99 +38 00 17.7                ZEX089C95
     K21X01O mC2021 12 03.28471306 53 08.19 +38 04 40.9          21.77GVEX089I52
     K21X01O mC2021 12 03.28924906 53 07.85 +38 04 45.4          21.20GVEX089I52
     K21X01O KC2021 12 03.38061 06 53 00.29 +38 06 21.8          21.2 GVEX089734
     K21X01O KC2021 12 03.38813 06 52 59.67 +38 06 30.7          20.8 GVEX089734
     K21X01O KC2021 12 03.39650 06 52 59.02 +38 06 41.2          21.1 GVEX089734
     K21X01O KC2021 12 03.96279206 52 14.11 +38 16 44.6          20.9 GVEX089L01
     K21X01O KC2021 12 03.96591406 52 13.87 +38 16 48.2          20.9 GVEX089L01
     K21X01O KC2021 12 03.96903606 52 13.61 +38 16 51.3          20.8 GVEX089L01
     K21X01O KC2021 12 03.97215806 52 13.36 +38 16 54.6          20.7 GVEX089L01
     K21X01O KC2021 12 03.97528006 52 13.14 +38 16 58.1          20.8 GVEX089L01

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin,
    R. Valentine.  Measurer G. Hug.  0.7-m reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
    f/3.2 Newtonian reflector + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. Rankin.  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.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, M. Himelreich.
    Measurer K. Korlevic.  1.0-m f/2.9 reflector + CCD.

Orbital elements:
2021 XO1                                                 Earth MOID = 0.3491 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 334.52611              (2000.0)            P               Q                  
n   0.28654216     Peri.  159.95954     -0.66263608     +0.65546052             
a   2.2786469      Node    66.55314     -0.72966315     -0.45593777             
e   0.7834173      Incl.   23.26244     -0.16883459     -0.60207330             
P   3.44           H   18.29          G   0.15           U   9                  
Residuals in seconds of arc
211201 G96  0.1-  0.1-    211202 H21  0.3+  0.1-    211203 I52  0.2-  0.2+
211201 G96  0.1+  0.1+    211202 H21  0.8+  0.3+    211203 I52  0.1+  0.2-
211201 G96  0.1+  0.1+    211202 I52  0.2-  0.0     211203 734  0.0   0.9-
211201 G96  0.1-  0.5-    211202 I52  0.2-  0.7+    211203 734  0.1-  0.0
211201 I52  0.3-  0.3+    211202 I52  0.0   0.2-    211203 734 (0.3+  1.6+)
211201 I52  0.1-  0.1-    211202 033  0.2-  0.1+    211203 L01  0.2-  0.2+
211201 I52  0.1-  0.0     211202 033  0.1-  0.3+    211203 L01  0.1+  0.4+
211202 I52  0.3-  0.2-    211202 033  0.1+  0.1+    211203 L01  0.1+  0.1+
211202 I52  0.5-  0.0     211202 033  0.1+  0.1-    211203 L01  0.2+  0.0
211202 I52  0.5-  0.8-    211202 C95  0.3-  0.1-    211203 L01  0.7+  0.2+
211202 I52  0.3+  0.4-    211203 C95  0.7-  0.5-

Ephemeris:
2021 XO1                 a,e,i = 2.28, 0.78, 23                  q = 0.4935
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 04    07 05 24.1 +31 32 37   1.7388  2.3616   117.1    22.0    22.4
...
2021 11 19    07 04 38.8 +34 21 42   1.4438  2.2287   131.9    19.3    21.8
...
2021 11 27    06 59 49.6 +36 18 54   1.3011  2.1545   140.3    17.0    21.4
...
2021 12 03    06 53 29.9 +37 59 38   1.2028  2.0973   146.6    15.0    21.1
2021 12 04    06 52 10.9 +38 17 25   1.1872  2.0877   147.6    14.6    21.1
2021 12 05    06 50 47.1 +38 35 27   1.1719  2.0780   148.7    14.3    21.0
...
2021 12 11    06 40 36.4 +40 28 22   1.0857  2.0189   154.3    12.2    20.7
...
2021 12 19    06 21 44.8 +43 05 21   0.9868  1.9378   159.0    10.5    20.4
...
2022 01 03    05 29 15.2 +47 21 56   0.8561  1.7782   150.3    15.9    20.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X89




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