MPEC 2021-X58 : 2021 XS
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M.P.E.C. 2021-X58 Issued 2021 December 3, 10:27 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 XS
Observations:
K21X00S C2021 11 29.32876 05 03 38.82 -06 22 31.2 20.1 GVEX058703
K21X00S C2021 11 29.33929 05 03 21.94 -06 18 34.1 19.4 GVEX058703
K21X00S C2021 11 29.34454 05 03 13.68 -06 16 35.2 19.7 GVEX058703
K21X00S* C2021 12 02.23695504 09 34.98 +06 51 54.6 19.70GVEX058G96
K21X00S C2021 12 02.24214104 09 30.70 +06 52 54.4 19.81GVEX058G96
K21X00S C2021 12 02.24732604 09 26.56 +06 53 52.9 20.04GVEX058G96
K21X00S C2021 12 02.25250004 09 22.31 +06 54 52.3 19.91GVEX058G96
K21X00S KC2021 12 02.38519704 07 36.07 +07 19 39.2 19.91GVEX058I52
K21X00S KC2021 12 02.38583204 07 35.57 +07 19 46.0 19.60GVEX058I52
K21X00S KC2021 12 02.38646704 07 35.07 +07 19 53.1 19.84GVEX058I52
K21X00S 1C2021 12 02.88956 04 01 35.60 +08 47 04.3 20.6 VVEX058033
K21X00S 1C2021 12 02.89008 04 01 35.19 +08 47 09.8 21.1 VVEX058033
K21X00S 1C2021 12 02.89199 04 01 33.85 +08 47 28.5 21.3 VVEX058033
K21X00S 1C2021 12 02.89250 04 01 33.53 +08 47 33.7 20.9 VVEX058033
K21X00S KC2021 12 03.05735 03 59 44.97 +09 14 22.2 19.6 GXEX058W34
K21X00S KC2021 12 03.06852 03 59 37.32 +09 16 09.2 19.6 GXEX058W34
K21X00S KC2021 12 03.08012 03 59 29.40 +09 17 59.4 19.6 GXEX058W34
K21X00S KC2021 12 03.14170003 58 49.14 +09 27 37.8 19.8 G EX058858
K21X00S KC2021 12 03.14565903 58 45.29 +09 28 11.4 20.0 VuEX058H21
K21X00S KC2021 12 03.14845403 58 43.41 +09 28 37.5 20.1 VuEX058H21
K21X00S KC2021 12 03.15124803 58 41.51 +09 29 03.6 20.1 VuEX058H21
K21X00S KC2021 12 03.15195403 58 42.27 +09 29 14.0 20.3 G EX058858
K21X00S mC2021 12 03.16828303 58 31.72 +09 31 48.7 20.07GVEX058I52
K21X00S mC2021 12 03.16851703 58 31.54 +09 31 50.5 19.68GVEX058I52
K21X00S mC2021 12 03.16875203 58 31.37 +09 31 52.7 20.01GVEX058I52
K21X00S mC2021 12 03.16898703 58 31.22 +09 31 55.6 20.25GVEX058I52
K21X00S KC2021 12 03.19723 03 58 11.17 +09 36 10.6 20.2 GVEX058734
K21X00S KC2021 12 03.20496 03 58 06.02 +09 37 22.0 19.9 GVEX058734
K21X00S KC2021 12 03.21132 03 58 01.76 +09 38 20.9 19.9 GVEX058734
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.
703 Catalina Sky Survey. Observer K. W. Wierzchos. Measurers B. Gray, D.
Rankin, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer G. Hug. 0.7-m reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + 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.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.36-m
f/1.9 Schmidt-Cassegrain + CCD.
Orbital elements:
2021 XS Earth MOID = 0.0523 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Bell
M 88.99649 (2000.0) P Q
n 0.83713955 Peri. 222.52997 +0.38983122 +0.86157786
a 1.1149896 Node 72.83468 -0.72661097 +0.50468946
e 0.7083698 Incl. 19.89494 -0.56574563 -0.05451735
P 1.18 H 24.06 G 0.15 U 8
Residuals in seconds of arc
211129 703 0.6+ 1.1- 211202 033 0.0 0.2- 211203 H21 0.1+ 0.1+
211129 703 1.0- 0.1- 211202 033 0.6- 0.2+ 211203 858 0.2- 0.3+
211129 703 0.3+ 1.2+ 211202 033 0.5- 0.0 211203 I52 0.5+ 0.0
211202 G96 0.2+ 0.1- 211202 033 0.1+ 0.2+ 211203 I52 0.2+ 0.3-
211202 G96 0.6- 0.3+ 211203 W34 1.4+ 0.8- 211203 I52 0.1- 0.4-
211202 G96 0.6+ 0.4- 211203 W34 0.4+ 0.2- 211203 I52 0.1+ 0.4+
211202 G96 0.1- 0.0 211203 W34 0.1- 0.3- 211203 734 0.4- 0.1+
211202 I52 0.1+ 0.2+ 211203 858 0.2- 0.0 211203 734 0.2- 0.3+
211202 I52 0.0 0.0 211203 H21 0.3+ 0.0 211203 734 0.4- 0.6+
211202 I52 0.1+ 0.2+ 211203 H21 0.4+ 0.0
Ephemeris:
2021 XS a,e,i = 1.11, 0.71, 20 q = 0.3252
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 03 13 45 46.4 -33 32 16 0.3445 0.6829 21.3 148.1 29.0
...
2021 11 18 12 17 14.5 -41 38 03 0.1309 0.9044 47.0 126.9 24.8
...
2021 11 26 07 14 27.5 -31 47 22 0.05978 1.0097 110.7 66.1 20.3
...
2021 12 02 04 12 45.2 +06 06 00 0.1010 1.0832 163.5 15.0 20.1
2021 12 03 04 00 20.3 +09 05 45 0.1129 1.0950 164.4 14.0 20.3
2021 12 04 03 50 13.1 +11 29 49 0.1254 1.1067 163.8 14.3 20.6
...
2021 12 10 03 16 05.8 +19 19 35 0.2070 1.1743 153.9 21.7 22.0
...
2021 12 18 02 59 54.3 +23 19 38 0.3248 1.2582 142.8 28.2 23.4
...
2022 01 02 02 56 19.3 +26 20 22 0.5614 1.3978 127.5 33.9 24.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X58
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