[Iaude] MPEC X231: 2021 XK6 [a=1.46,e=0.31,i=21.0,H=22.7]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Dec 15 14:20:39 EST 2021
M.P.E.C. 2021-X231 Issued 2021 December 15, 19:19 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 XK6
Observations:
K21X06K* C2021 12 14.57629612 18 39.89 +78 25 21.4 18.04oVEX231T08
K21X06K C2021 12 14.57953612 18 25.62 +78 24 54.4 18.20oVEX231T08
K21X06K C2021 12 14.58508412 18 01.21 +78 24 08.4 18.14oVEX231T08
K21X06K C2021 12 14.59517412 17 16.11 +78 22 43.5 18.12oVEX231T08
K21X06K C2021 12 14.68568412 11 12.13 +78 06 32.6 18.2 GVEX231900
K21X06K C2021 12 14.69181612 10 46.45 +78 05 38.1 18.1 GVEX231900
K21X06K C2021 12 14.69794812 10 20.70 +78 04 43.7 18.1 GVEX231900
K21X06K C2021 12 14.70380 12 09 57.39 +78 03 45.8 18.1 RrEX231P93
K21X06K C2021 12 14.70408112 09 54.77 +78 03 47.6 17.8 GVEX231900
K21X06K C2021 12 14.70593 12 09 48.41 +78 03 26.9 18.2 RrEX231P93
K21X06K C2021 12 14.70702 12 09 43.85 +78 03 17.1 18.2 RrEX231P93
K21X06K KC2021 12 14.70927112 08 31.40 +77 59 45.9 18.1 G EX231C95
K21X06K KC2021 12 14.71291112 08 17.73 +77 59 09.2 17.4 G EX231C95
K21X06K KC2021 12 14.71653412 08 03.90 +77 58 31.1 17.4 G EX231C95
K21X06K KC2021 12 14.71989612 07 51.48 +77 57 56.3 16.8 G EX231C95
K21X06K KC2021 12 14.72299812 07 39.24 +77 57 24.0 16.6 G EX231C95
K21X06K KC2021 12 14.83274612 00 44.59 +77 38 13.4 18.9 GVEX231Z33
K21X06K KC2021 12 14.85627111 59 17.98 +77 34 06.7 18.6 GVEX231Z33
K21X06K KC2021 12 14.86141511 58 58.62 +77 33 13.5 18.5 GVEX231Z33
K21X06K KC2021 12 14.86655811 58 39.87 +77 32 19.5 VEX231Z33
K21X06K KC2021 12 14.86755811 58 31.52 +77 32 31.1 17.9 GVEX231Z80
K21X06K KC2021 12 14.87235111 58 13.41 +77 31 40.1 17.7 GVEX231Z80
K21X06K KC2021 12 14.87733911 57 54.84 +77 30 47.2 VEX231Z80
K21X06K KC2021 12 14.91365911 55 47.12 +77 24 43.7 18.0 GXEX231595
K21X06K IC2021 12 14.91799111 55 30.23 +77 23 57.3 XEX231595
K21X06K KC2021 12 14.92171 11 55 14.67 +77 22 42.1 18.6 GXEX231J57
K21X06K KC2021 12 14.92214411 55 14.58 +77 23 13.9 18.0 GXEX231595
K21X06K KC2021 12 14.92843811 54 50.99 +77 22 07.6 18.4 GVEX231L01
K21X06K KC2021 12 14.92869 11 54 48.60 +77 21 28.6 18.4 GXEX231J57
K21X06K KC2021 12 14.93050911 54 42.96 +77 21 45.5 18.4 GVEX231L01
K21X06K KC2021 12 14.93154711 54 39.04 +77 21 34.6 18.3 GVEX231L01
K21X06K KC2021 12 14.93258511 54 35.06 +77 21 23.7 18.3 GVEX231L01
K21X06K KC2021 12 14.93388011 54 29.99 +77 21 10.0 18.3 GVEX231L01
K21X06K KC2021 12 14.93551 11 54 23.02 +77 20 15.8 18.4 GXEX231J57
K21X06K KC2021 12 15.05195011 46 47.85 +76 58 51.0 18.6 GVEX231Z99
K21X06K KC2021 12 15.05509111 46 35.68 +76 58 14.8 18.9 GVEX231Z99
K21X06K KC2021 12 15.05828311 46 23.44 +76 57 37.8 18.8 GVEX231Z99
K21X06K KC2021 12 15.06112411 46 12.35 +76 57 05.2 18.5 GVEX231Z99
K21X06K C2021 12 15.51938 11 18 50.94 +75 08 01.0 17.1 RrEX231P93
K21X06K C2021 12 15.52021 11 18 48.28 +75 07 48.6 17.3 RrEX231P93
K21X06K C2021 12 15.52105 11 18 45.54 +75 07 36.3 17.1 RrEX231P93
K21X06K C2021 12 15.52194 11 18 42.70 +75 07 23.0 17.2 RrEX231P93
K21X06K C2021 12 15.57103611 16 04.05 +74 55 18.4 17.6 GVEX231900
K21X06K C2021 12 15.57471411 15 51.99 +74 54 23.0 17.3 GVEX231900
K21X06K C2021 12 15.57839111 15 40.18 +74 53 27.5 17.8 GVEX231900
K21X06K KC2021 12 15.77146211 04 39.74 +73 56 50.6 17.6 GXEX231958
K21X06K KC2021 12 15.77536411 04 28.53 +73 55 42.7 18.0 GXEX231958
K21X06K KC2021 12 15.77918511 04 17.49 +73 54 35.5 17.8 GXEX231958
Observer details:
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/5.15 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer P.
Dupouy. 0.43-m f/2.7 reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
J57 Centro Astronomico Alto Turia, Valencia. Observer A. Fornas. Measurers
A. Fornas, G. Fornas, E. Arce, V. Mas. 0.43-m f/6.8 reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
P93 Space Tracking and Communications Center, JAXA. Observers T. Fujiwara, M.
Hagino. 1.0-m f/3.0 reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, R. Siverd, J. Tonry, H.
Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m reflector + CCD.
Z33 6ROADS Observatory 2, Nerpio. Observers R. Reszelewski, M. Zolnowski, M.
Gedek, K. Zukowski, T. Santana-Ros. Measurer R. Reszelewski. 0.4-m f/8
reflector + CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurers G. Wells, D.
Bamberger. 0.25-m f/8.0 Ritchey-Chretien + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2021 XK6 Earth MOID = 0.0168 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 18.63416 (2000.0) P Q
n 0.56151684 Peri. 178.16790 +0.04170757 -0.93288466
a 1.4551045 Node 269.32038 +0.91207372 +0.18173039
e 0.3125876 Incl. 20.96376 +0.40789952 -0.31096668
P 1.76 H 22.75 G 0.15 U 8
Residuals in seconds of arc
211214 T08 0.5- 0.3+ 211214 Z33 0.1- 0.0 211214 L01 0.4- 0.0
211214 T08 0.1- 0.1+ 211214 Z33 0.4+ 0.5- 211214 J57 0.1- 0.5-
211214 T08 0.6+ 0.2+ 211214 Z33 0.8- 0.2+ 211215 Z99 0.0 0.1-
211214 T08 0.0 0.1+ 211214 Z33 0.0 0.1+ 211215 Z99 0.0 0.0
211214 900 0.2- 0.5- 211214 Z80 0.2- 0.4+ 211215 Z99 0.5+ 0.1-
211214 900 0.4- 0.7- 211214 Z80 0.6- 0.1+ 211215 Z99 0.2+ 0.3+
211214 900 0.5- 0.5- 211214 Z80 0.0 0.0 211215 P93 0.2+ 0.1+
211214 P93 0.6+ 0.1- 211214 595 0.6+ 0.5+ 211215 P93 0.2+ 0.0
211214 900 1.0- 1.6- 211214 595 0.6- 0.3- 211215 P93 0.1+ 0.1+
211214 P93 0.4+ 0.1+ 211214 J57 0.3- 0.6- 211215 P93 0.1+ 0.0
211214 P93 0.5+ 0.2+ 211214 595 0.1+ 0.1+ 211215 900 0.8- 0.7-
211214 C95 0.3- 0.2- 211214 L01 0.1+ 0.0 211215 900 0.9- 0.9-
211214 C95 0.1+ 0.6+ 211214 J57 0.1- 0.1- 211215 900 0.0 1.2-
211214 C95 0.2- 0.2- 211214 L01 0.2- 0.2- 211215 958 0.5- 0.4+
211214 C95 0.7+ 0.4- 211214 L01 0.1- 0.2- 211215 958 0.1- 0.7+
211214 C95 0.9- 0.7- 211214 L01 0.1- 0.1- 211215 958 0.0 0.3+
Ephemeris:
2021 XK6 a,e,i = 1.46, 0.31, 21 q = 1.0003
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 15 19 11 07.5 +72 07 43 0.2378 1.0503 98.3 68.7 22.2
...
2021 11 30 18 31 09.0 +74 17 45 0.1427 1.0162 98.1 73.9 21.1
...
2021 12 08 17 25 11.2 +78 00 23 0.08897 1.0055 100.8 74.2 20.1
...
2021 12 14 12 59 28.8 +79 35 16 0.04929 1.0013 108.7 68.6 18.6
2021 12 15 11 49 34.9 +77 09 34 0.04310 1.0009 111.5 66.2 18.3
2021 12 16 10 52 56.6 +72 49 21 0.03721 1.0006 115.2 62.9 17.8
...
2021 12 22 08 36 53.4 -07 27 30 0.02574 1.0007 130.8 48.1 16.6
...
2021 12 30 07 55 21.5 -48 35 41 0.07299 1.0060 106.0 70.0 19.5
...
2022 01 14 07 31 29.6 -57 29 41 0.1732 1.0310 101.1 69.4 21.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X231
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