MPEC 2012-Q81 : 2012 QH49
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M.P.E.C. 2012-Q81 Issued 2012 Aug. 30, 18:58 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
2012 QH49
Observations:
K12Q49H* C2012 08 28.31681 00 28 33.34 -12 58 45.7 17.5 VrEQ081703
K12Q49H C2012 08 28.32459 00 28 35.86 -13 01 09.5 17.3 VrEQ081703
K12Q49H C2012 08 28.33252 00 28 38.46 -13 03 33.7 17.4 VrEQ081703
K12Q49H C2012 08 28.34046 00 28 40.94 -13 06 00.9 17.5 VrEQ081703
K12Q49H C2012 08 28.37425 00 28 51.88 -13 16 18.2 16.6 VrEQ081703
K12Q49H C2012 08 28.37828 00 28 53.07 -13 17 32.7 17.4 VrEQ081703
K12Q49H C2012 08 28.38229 00 28 54.40 -13 18 47.2 17.3 VrEQ081703
K12Q49H C2012 08 28.38627 00 28 55.63 -13 19 59.8 17.5 VrEQ081703
K12Q49H KC2012 08 28.42126 00 29 06.90 -13 30 38.5 17.6 RoEQ081291
K12Q49H KC2012 08 28.42214 00 29 07.17 -13 30 54.3 17.8 RoEQ081291
K12Q49H KC2012 08 28.42301 00 29 07.46 -13 31 10.3 17.9 RoEQ081291
K12Q49H QC2012 08 28.70391100 30 43.44 -14 54 28.4 17.6 VrEQ081E12
K12Q49H QC2012 08 28.70439000 30 43.56 -14 54 36.4 17.8 VrEQ081E12
K12Q49H QC2012 08 28.70487600 30 43.73 -14 54 46.0 17.6 VrEQ081E12
K12Q49H KC2012 08 28.99418 00 32 23.37 -16 20 59.3 17.9 RvEQ081470
K12Q49H KC2012 08 28.99463 00 32 23.52 -16 21 07.5 18.0 RvEQ081470
K12Q49H KC2012 08 28.99504 00 32 23.63 -16 21 14.5 18.1 RvEQ081470
K12Q49H KC2012 08 28.99544 00 32 23.77 -16 21 21.3 18.3 RvEQ081470
K12Q49H KC2012 08 28.99585 00 32 23.91 -16 21 28.0 18.3 RvEQ081470
K12Q49H |C2012 08 29.19748 00 33 32.16 -17 18 16.1 18.1 VuEQ081807
K12Q49H |C2012 08 29.19983 00 33 32.90 -17 18 56.5 18.7 VuEQ081807
K12Q49H |C2012 08 29.20218 00 33 33.63 -17 19 36.9 18.5 VuEQ081807
K12Q49H |C2012 08 29.20454 00 33 34.36 -17 20 17.2 18.6 VuEQ081807
K12Q49H |C2012 08 29.20688 00 33 35.09 -17 20 57.6 18.3 VuEQ081807
K12Q49H KC2012 08 29.40271 00 34 36.90 -18 17 27.9 17.6 RuEQ081H36
K12Q49H KC2012 08 29.40431 00 34 37.36 -18 17 54.5 17.5 RuEQ081H36
K12Q49H KC2012 08 29.40592 00 34 37.87 -18 18 21.4 17.6 RuEQ081H36
K12Q49H KC2012 08 29.40753 00 34 38.36 -18 18 48.4 17.4 RuEQ081H36
K12Q49H KC2012 08 29.40914 00 34 38.87 -18 19 15.7 17.7 RuEQ081H36
K12Q49H KC2012 08 30.35161300 39 43.18 -22 31 47.7 18.2 VuEQ081H21
K12Q49H KC2012 08 30.35446600 39 44.04 -22 32 31.3 18.3 VuEQ081H21
K12Q49H KC2012 08 30.35731700 39 44.86 -22 33 15.1 18.1 VuEQ081H21
K12Q49H KC2012 08 30.36016300 39 45.70 -22 33 58.7 18.3 VuEQ081H21
K12Q49H KC2012 08 30.36298400 39 46.52 -22 34 41.8 18.3 VuEQ081H21
K12Q49H QC2012 08 30.60903 00 41 05.71 -23 35 44.1 17.9 VrEQ081E12
K12Q49H QC2012 08 30.61231 00 41 06.67 -23 36 33.4 18.0 VrEQ081E12
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
470 Ceccano. Observers G. Masi, F. Nocentini, R. Amdahl. Measurers G. Masi,
U. Masi, F. Nocentini. 0.43-m f/6.8 reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, S. Foglia, T. Vorobjov, T. Linder. 0.81-m f/4.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2012 QH49 Earth MOID = 0.1030 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 11.84150 (2000.0) P Q
n 0.21873550 Peri. 159.65278 +0.74352173 +0.61983625
a 2.7280764 Node 155.87421 -0.66634494 +0.71828569
e 0.6006610 Incl. 37.87715 -0.05621261 -0.31602010
P 4.51 H 20.9 G 0.15 U 7
Residuals in seconds of arc
120828 703 0.1+ 0.7- 120828 E12 0.3+ 0.5+ 120829 H36 0.4+ 0.3-
120828 703 0.1+ 1.3- 120828 E12 0.5+ 0.4- 120829 H36 0.0 0.1-
120828 703 0.8+ 0.4+ 120828 470 0.2- 0.0 120829 H36 0.2+ 0.0
120828 703 0.4- 0.8- 120828 470 0.1- 0.4- 120829 H36 0.1+ 0.0
120828 703 1.1+ 1.7+ 120828 470 0.4- 0.2- 120829 H36 0.3+ 0.3-
120828 703 0.3- 0.9+ 120828 470 0.2- 0.1- 120830 H21 0.0 0.1-
120828 703 0.3+ 0.2- 120828 470 0.0 0.4+ 120830 H21 0.4+ 0.0
120828 703 0.3- 0.0 120829 807 0.2+ 0.0 120830 H21 0.2+ 0.1-
120828 291 0.2+ 0.3- 120829 807 0.3+ 0.0 120830 H21 0.2+ 0.1-
120828 291 0.0 0.1- 120829 807 0.3+ 0.1- 120830 H21 0.1+ 0.0
120828 291 0.2+ 0.2- 120829 807 0.3+ 0.1+ 120830 E12 0.2+ 0.0
120828 E12 0.7+ 0.0 120829 807 0.4+ 0.2- 120830 E12 0.4+ 0.0
Ephemeris:
2012 QH49 a,e,i = 2.73, 0.60, 38 q = 1.0894
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 07 31 21 00 52.7 +66 50 56 0.3288 1.0929 94.8 67.7 21.1
...
2012 08 15 22 53 06.0 +49 50 27 0.1721 1.0944 114.1 57.7 19.4
...
2012 08 23 23 54 27.4 +17 07 30 0.1215 1.1086 141.3 34.8 18.0
...
2012 08 29 00 32 23.9 -16 21 31 0.1315 1.1252 149.6 27.0 18.0
2012 08 30 00 37 51.7 -20 59 07 0.1374 1.1284 147.9 28.4 18.1
2012 08 31 00 43 04.4 -25 11 16 0.1442 1.1317 146.0 30.0 18.3
...
2012 09 06 01 09 10.1 -42 37 14 0.1983 1.1544 133.9 39.0 19.3
...
2012 09 14 01 31 41.2 -53 21 24 0.2874 1.1908 124.0 44.4 20.3
...
2012 09 29 01 48 04.7 -59 52 39 0.4678 1.2750 115.5 45.2 21.5
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-Q81
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