[Iaude] MPEC X131: 2021 XB3 [a=1.51,e=0.68,i=18.7,H=22.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 6 05:50:50 EST 2021


M.P.E.C. 2021-X131                             Issued 2021 December 6, 10:49 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 XB3                                    


Observations:
     K21X03B* C2021 12 04.21219401 09 12.12 -06 06 06.1          21.33GVEX131G96
     K21X03B  C2021 12 04.21736501 09 14.01 -06 05 16.4          20.98GVEX131G96
     K21X03B  C2021 12 04.22253001 09 15.87 -06 04 26.9          21.26GVEX131G96
     K21X03B  C2021 12 04.22773001 09 17.72 -06 03 36.6          21.45GVEX131G96
     K21X03B  C2021 12 04.23997901 09 22.04 -06 01 40.4          20.7 GVEX131H01
     K21X03B  C2021 12 04.24503601 09 23.86 -06 00 52.2          20.8 GVEX131H01
     K21X03B KC2021 12 04.25404201 09 27.19 -05 59 25.6          20.62GVEX131I52
     K21X03B  C2021 12 04.25526701 09 27.55 -05 59 14.7          20.6 GVEX131H01
     K21X03B KC2021 12 04.25773901 09 28.57 -05 58 50.3          21.02GVEX131I52
     K21X03B  C2021 12 04.26138701 09 29.77 -05 58 16.2          21.4 GVEX131H01
     K21X03B KC2021 12 04.26143601 09 29.87 -05 58 15.1          20.73GVEX131I52
     K21X03B KC2021 12 04.26513301 09 31.20 -05 57 39.6          20.87GVEX131I52
     K21X03B KC2021 12 05.06004601 14 16.33 -03 56 56.0          21.6 VuEX131H21
     K21X03B KC2021 12 05.08155601 14 23.42 -03 53 47.9          21.5 VuEX131H21
     K21X03B KC2021 12 05.08417501 14 24.27 -03 53 24.9          21.4 VuEX131H21
     K21X03B KC2021 12 05.08707501 14 25.20 -03 53 00.6          21.6 VuEX131H21
     K21X03B 1C2021 12 05.79078 01 18 16.58 -02 14 37.2          21.2 VVEX131033
     K21X03B 1C2021 12 05.79251 01 18 17.13 -02 14 23.7          21.1 VVEX131033
     K21X03B 1C2021 12 05.79425 01 18 17.62 -02 14 09.6          20.8 VVEX131033
     K21X03B 1C2021 12 05.79604 01 18 18.18 -02 13 55.4          21.0 VVEX131033
     K21X03B KC2021 12 06.10965801 19 56.45 -01 32 12.1          21.48GVEX131I52
     K21X03B KC2021 12 06.11122901 19 56.87 -01 31 59.9          21.43GVEX131I52
     K21X03B KC2021 12 06.11280101 19 57.35 -01 31 47.6          21.18GVEX131I52
     K21X03B KC2021 12 06.11437201 19 57.78 -01 31 35.5          21.41GVEX131I52

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.
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.

Orbital elements:
2021 XB3                                                 Earth MOID = 0.0772 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M  56.48820              (2000.0)            P               Q                  
n   0.53245467     Peri.  239.71296     +0.59441231     +0.74585063             
a   1.5075820      Node    69.86289     -0.58283119     +0.65715204             
e   0.6801909      Incl.   18.67550     -0.55405939     +0.10889461             
P   1.85           H   22.64          G   0.15           U   9                  
Residuals in seconds of arc
211204 G96  0.4-  0.6-    211204 I52  0.5+  0.1+    211205 033  0.2+  0.2+
211204 G96  0.1+  0.4-    211204 H01  0.0   0.2+    211205 033  0.6+  0.3-
211204 G96  0.0   0.3-    211204 I52  0.0   0.1+    211205 033  0.1-  0.3-
211204 G96  0.3-  0.2+    211204 I52  0.0   0.4+    211205 033  0.1+  0.5-
211204 H01  0.0   0.2+    211205 H21  0.3-  0.1-    211206 I52  0.3+  0.2+
211204 H01  0.0   0.1+    211205 H21  0.2+  0.3+    211206 I52  0.3-  0.2+
211204 I52  0.2-  0.1+    211205 H21  0.1+  0.5+    211206 I52  0.1-  0.1+
211204 H01  0.0   0.1+    211205 H21  0.2-  0.5-    211206 I52  0.6-  0.0

Ephemeris:
2021 XB3                 a,e,i = 1.51, 0.68, 19                  q = 0.4821
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 06    15 59 24.2 -47 26 17   0.3275  0.7479    35.2   130.2    25.3
...
2021 11 21    21 04 42.3 -58 04 36   0.1505  0.9417    67.9   103.6    22.2
...
2021 11 29    00 23 23.9 -24 22 03   0.1558  1.0418   106.6    65.1    21.0
...
2021 12 05    01 13 55.1 -04 05 21   0.2148  1.1144   122.0    48.6    21.4
2021 12 06    01 19 21.7 -01 46 20   0.2270  1.1263   123.4    47.0    21.5
2021 12 07    01 24 17.8 +00 18 51   0.2398  1.1381   124.4    45.6    21.6
...
2021 12 13    01 46 43.6 +09 18 10   0.3231  1.2076   127.2    40.5    22.2
...
2021 12 21    02 06 37.7 +15 58 41   0.4458  1.2964   125.9    37.9    23.0
...
2022 01 05    02 33 41.0 +22 15 14   0.6968  1.4518   118.6    36.5    24.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X131




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