[Iaude] MPEC X201: 2021 XN5 [a=2.04,e=0.46,i=8.5,H=23.1]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 11 11:34:13 EST 2021
M.P.E.C. 2021-X201 Issued 2021 December 11, 16:32 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 XN5
Observations:
K21X05N* C2021 12 08.41214808 44 01.84 +26 42 55.7 21.30GVEX201G96
K21X05N C2021 12 08.41733308 44 02.52 +26 42 34.5 20.52GVEX201G96
K21X05N C2021 12 08.42253808 44 03.19 +26 42 13.2 20.88GVEX201G96
K21X05N C2021 12 08.42772408 44 03.93 +26 41 52.7 20.97GVEX201G96
K21X05N KC2021 12 08.46250208 44 08.67 +26 39 31.8 21.10GVEX201I52
K21X05N KC2021 12 08.46552708 44 09.05 +26 39 19.3 21.11GVEX201I52
K21X05N KC2021 12 08.46748508 44 09.32 +26 39 11.7 21.42GVEX201I52
K21X05N KC2021 12 08.47542408 44 10.38 +26 38 39.4 21.21GVEX201V06
K21X05N KC2021 12 08.47656908 44 10.53 +26 38 34.8 21.18GVEX201V06
K21X05N KC2021 12 08.47777908 44 10.70 +26 38 29.7 20.73GVEX201V06
K21X05N KC2021 12 08.49403208 44 12.87 +26 37 22.9 20.05GVEX201V06
K21X05N KC2021 12 08.49633108 44 13.20 +26 37 13.9 21.27GVEX201V06
K21X05N KC2021 12 08.49862908 44 13.50 +26 37 04.3 21.44GVEX201V06
K21X05N KC2021 12 09.34266308 46 23.51 +25 39 54.3 21.04GVEX201I52
K21X05N KC2021 12 09.34494508 46 23.76 +25 39 45.2 21.16GVEX201I52
K21X05N KC2021 12 09.34722608 46 24.08 +25 39 36.5 21.22GVEX201I52
Observer details:
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. 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.
V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. 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. 1.55-m reflector + 1K CCD.
Orbital elements:
2021 XN5 Earth MOID = 0.1246 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 15.91967 (2000.0) P Q
n 0.33816746 Peri. 167.43429 +0.17898715 -0.97271274
a 2.0403978 Node 272.11600 +0.88939995 +0.22412376
e 0.4581831 Incl. 8.49523 +0.42063206 -0.05998730
P 2.91 H 23.18 G 0.15 U 9
Residuals in seconds of arc
211208 G96 0.3+ 0.2+ 211208 I52 0.1+ 0.3+ 211208 V06 0.2- 0.1-
211208 G96 0.1- 0.0 211208 V06 0.0 0.2+ 211209 I52 0.5+ 0.1-
211208 G96 0.6- 0.3- 211208 V06 0.2- 0.2+ 211209 I52 0.2- 0.1-
211208 G96 0.1- 0.1+ 211208 V06 0.0 0.1+ 211209 I52 0.0 0.2+
211208 I52 0.3+ 0.0 211208 V06 0.4- 0.3-
211208 I52 0.0 0.2- 211208 V06 0.2- 0.1+
Ephemeris:
2021 XN5 a,e,i = 2.04, 0.46, 8 q = 1.1055
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 11 06 32 15.3 +50 23 43 0.2198 1.1365 127.2 44.0 21.9
...
2021 11 26 07 59 22.8 +39 59 15 0.1864 1.1099 127.3 45.0 21.5
...
2021 12 04 08 31 06.3 +31 39 30 0.1786 1.1056 128.4 44.3 21.4
...
2021 12 10 08 47 56.0 +24 55 43 0.1774 1.1069 129.8 43.1 21.3
2021 12 11 08 50 13.1 +23 48 18 0.1776 1.1076 130.1 42.8 21.3
2021 12 12 08 52 21.8 +22 41 10 0.1778 1.1083 130.4 42.5 21.3
...
2021 12 18 09 02 32.0 +16 10 33 0.1815 1.1149 132.6 40.5 21.3
...
2021 12 26 09 09 48.3 +08 25 51 0.1915 1.1297 136.3 37.0 21.4
...
2022 01 10 09 09 06.2 -01 56 11 0.2242 1.1740 144.9 28.8 21.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X201
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