[Iaude] MPEC X226: 2021 XH6 [a=1.89,e=0.47,i=6.6,H=23.4]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Dec 14 10:36:59 EST 2021
M.P.E.C. 2021-X226 Issued 2021 December 14, 15:35 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 XH6
Observations:
K21X06H* C2021 12 12.44258708 36 02.70 +53 58 37.4 20.77GVEX226G96
K21X06H C2021 12 12.44866608 36 01.11 +53 58 17.5 21.06GVEX226G96
K21X06H C2021 12 12.45491708 35 59.37 +53 57 55.9 21.20GVEX226G96
K21X06H C2021 12 12.46073408 35 57.94 +53 57 35.5 21.42GVEX226G96
K21X06H KC2021 12 12.50123608 35 46.95 +53 55 17.1 VEX226I52
K21X06H KC2021 12 12.50333808 35 46.44 +53 55 10.5 VEX226I52
K21X06H KC2021 12 12.50543908 35 46.08 +53 55 02.9 VEX226I52
K21X06H C2021 12 13.26451408 32 55.36 +53 12 23.0 21.6 GVEX226H01
K21X06H C2021 12 13.26766808 32 54.58 +53 12 12.9 20.8 GVEX226H01
K21X06H C2021 12 13.27930508 32 51.68 +53 11 36.2 20.9 GVEX226H01
K21X06H C2021 12 13.28625708 32 49.99 +53 11 14.1 21.1 GVEX226H01
K21X06H KC2021 12 14.16366 08 29 27.21 +52 22 49.8 21.5 GVEX226204
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
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.
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 XH6 Earth MOID = 0.1073 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 30.41650 (2000.0) P Q
n 0.37922446 Peri. 87.48199 +0.77503993 -0.62592067
a 1.8903337 Node 311.25157 +0.52413882 +0.71349904
e 0.4731704 Incl. 6.63071 +0.35297536 +0.31486892
P 2.60 H 23.48 G 0.15 U 8
Residuals in seconds of arc
211212 G96 0.0 0.2- 211212 I52 0.4- 0.1- 211213 H01 0.0 0.0
211212 G96 0.3+ 0.4+ 211212 I52 0.1+ 0.6+ 211213 H01 0.2- 0.0
211212 G96 0.1- 0.0 211212 I52 (1.8+ 0.3+) 211213 H01 0.1+ 0.2-
211212 G96 1.0+ 0.6- 211213 H01 0.0 0.1+ 211214 204 0.0 0.0
Ephemeris:
2021 XH6 a,e,i = 1.89, 0.47, 7 q = 0.9959
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 14 15 00 33.7 +76 35 40 0.1186 1.0063 94.8 78.5 21.6
...
2021 11 29 09 53 59.0 +67 36 12 0.1372 1.0459 112.1 60.9 21.4
...
2021 12 07 09 00 23.7 +59 16 09 0.1528 1.0775 123.7 49.6 21.4
...
2021 12 13 08 33 52.4 +53 27 08 0.1674 1.1051 132.8 40.8 21.4
2021 12 14 08 30 05.3 +52 31 47 0.1701 1.1099 134.3 39.4 21.4
2021 12 15 08 26 26.7 +51 37 18 0.1730 1.1149 135.9 37.9 21.4
...
2021 12 21 08 07 06.7 +46 28 51 0.1918 1.1462 145.0 29.5 21.5
...
2021 12 29 07 46 37.7 +40 28 31 0.2231 1.1914 156.6 19.2 21.6
...
2022 01 13 07 21 39.5 +31 50 10 0.3045 1.2839 169.2 8.3 22.0
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X226
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