MPEC 2011-Q31 : 2011 QG21
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M.P.E.C. 2011-Q31 Issued 2011 Aug. 26, 10:22 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2011 QG21
Observations:
K11Q21G* C2011 08 22.97660 22 54 14.91 +10 05 16.0 18.8 VrEQ031J75
K11Q21G C2011 08 22.98716 22 54 09.99 +10 05 28.8 19.2 VrEQ031J75
K11Q21G C2011 08 22.99774 22 54 05.08 +10 05 43.3 19.2 VrEQ031J75
K11Q21G C2011 08 24.34885 22 44 29.409+10 31 52.16 20.7 gLEQ031F51
K11Q21G C2011 08 24.35968 22 44 24.823+10 32 03.74 20.2 gLEQ031F51
K11Q21G C2011 08 24.38146 22 44 15.577+10 32 27.16 20.4 rLEQ031F51
K11Q21G KC2011 08 26.03858422 33 30.52 +10 57 52.7 19.3 VrEQ031J75
K11Q21G KC2011 08 26.04643522 33 27.56 +10 57 58.6 19.4 VrEQ031J75
K11Q21G KC2011 08 26.05425222 33 24.55 +10 58 05.4 19.1 VrEQ031J75
K11Q21G KC2011 08 26.15023522 32 51.22 +10 59 21.1 20.0 VtEQ031H21
K11Q21G KC2011 08 26.15389122 32 49.83 +10 59 24.0 19.9 VtEQ031H21
K11Q21G KC2011 08 26.15754922 32 48.45 +10 59 26.9 20.0 VtEQ031H21
K11Q21G KC2011 08 26.16120422 32 47.08 +10 59 30.0 19.9 VtEQ031H21
K11Q21G KC2011 08 26.29876122 31 55.45 +11 01 20.3 19.1 RuEQ031H36
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
J. Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m
Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss,
M. Hurtado, J. A. Jaume, W. K. Y. Yeung, P. Rios, F. Serra. 0.45-m f/2.8
reflector + CCD.
Orbital elements:
2011 QG21 Earth MOID = 0.0517 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 64.27848 (2000.0) P Q
n 0.73602632 Peri. 254.88104 -0.73730768 +0.64993811
a 1.2148999 Node 325.05967 -0.42685137 -0.65962833
e 0.4382993 Incl. 18.76910 -0.52361750 -0.37745320
P 1.34 H 22.1 G 0.15 U 8
Residuals in seconds of arc
110822 J75 0.8+ 0.1+ 110824 F51 0.0 0.0 110826 H21 0.1- 0.1+
110822 J75 0.1- 0.6- 110826 J75 0.2- 0.0 110826 H21 0.2- 0.0
110822 J75 0.7- 0.4+ 110826 J75 0.4+ 0.5- 110826 H21 0.0 0.1+
110824 F51 0.1- 0.1+ 110826 J75 0.1+ 0.0 110826 H36 0.0 0.2-
110824 F51 0.0 0.0 110826 H21 0.0 0.3+
Ephemeris:
2011 QG21 a,e,i = 1.21, 0.44, 19 q = 0.6824
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 07 27 03 55 49.0 -12 24 27 0.1551 0.9818 73.1 98.2 21.6
...
2011 08 11 00 56 12.5 +01 51 24 0.1347 1.0948 124.1 50.0 19.8
...
2011 08 19 23 27 24.6 +08 17 46 0.1624 1.1531 148.0 27.7 19.7
...
2011 08 25 22 40 06.5 +10 42 53 0.1973 1.1954 157.3 19.1 19.9
2011 08 26 22 33 45.3 +10 57 40 0.2040 1.2023 158.0 18.4 20.0
2011 08 27 22 27 47.6 +11 10 20 0.2109 1.2092 158.4 17.9 20.1
...
2011 09 02 21 59 12.4 +11 51 49 0.2566 1.2497 157.2 18.2 20.6
...
2011 09 10 21 35 41.8 +11 52 08 0.3263 1.3015 150.7 22.2 21.3
...
2011 09 25 21 18 04.8 +10 56 05 0.4766 1.3911 137.2 29.3 22.5
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-Q31
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