MPEC 2012-S46 : 2012 SX20
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M.P.E.C. 2012-S46 Issued 2012 Sept. 21, 17:53 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 SX20
Observations:
K12S20X* C2012 09 19.19274 22 15 57.16 -12 26 45.0 20.4 VrES046G96
K12S20X C2012 09 19.20147 22 15 57.38 -12 26 18.3 20.6 VrES046G96
K12S20X C2012 09 19.21023 22 15 57.63 -12 25 50.6 20.4 VrES046G96
K12S20X C2012 09 19.21902 22 15 57.81 -12 25 23.0 20.6 VrES046G96
K12S20X C2012 09 19.25147 22 15 58.58 -12 23 41.6 19.9 RoES046H01
K12S20X C2012 09 19.25770 22 15 58.74 -12 23 22.1 20.0 RoES046H01
K12S20X C2012 09 19.26582 22 15 58.95 -12 22 56.5 20.2 RoES046H01
K12S20X C2012 09 19.27229 22 15 59.13 -12 22 36.0 20.0 RoES046H01
K12S20X |C2012 09 20.01288 22 16 31.14 -11 43 38.0 20.2 VuES046807
K12S20X |C2012 09 20.01656 22 16 31.23 -11 43 26.7 20.4 VuES046807
K12S20X |C2012 09 20.02771 22 16 31.58 -11 42 53.0 20.1 VuES046807
K12S20X KC2012 09 20.10633822 16 34.32 -11 39 33.6 20.3 VrES046H21
K12S20X KC2012 09 20.11206322 16 34.51 -11 39 16.1 20.4 VrES046H21
K12S20X KC2012 09 20.14224 22 16 35.60 -11 37 44.8 20.3 RuES046H36
K12S20X KC2012 09 20.15699 22 16 36.07 -11 36 58.1 20.1 RuES046H36
K12S20X KC2012 09 20.17251 22 16 36.46 -11 36 12.1 19.9 RuES046H36
K12S20X C2012 09 20.21024 22 16 38.02 -11 34 14.6 19.7 RoES046H01
K12S20X C2012 09 20.22442 22 16 38.42 -11 33 31.4 19.9 RoES046H01
K12S20X C2012 09 20.23096 22 16 38.60 -11 33 11.5 20.0 RoES046H01
K12S20X C2012 09 20.24505 22 16 38.99 -11 32 28.6 20.3 RoES046H01
K12S20X C2012 09 20.88106 22 17 05.89 -11 00 38.7 20.5 RoES046033
K12S20X C2012 09 20.88902 22 17 06.14 -11 00 16.4 20.4 RoES046033
K12S20X C2012 09 20.93324 22 17 07.59 -10 58 02.2 20.4 RoES046033
K12S20X C2012 09 20.94120 22 17 07.83 -10 57 39.8 20.6 RoES046033
K12S20X HC2012 09 21.14360 22 17 17.99 -10 47 30.0 19.9 RoES046291
K12S20X HC2012 09 21.14508 22 17 18.06 -10 47 27.1 20.2 RoES046291
K12S20X HC2012 09 21.14570 22 17 18.16 -10 47 23.7 19.9 RoES046291
K12S20X C2012 09 21.15350 22 17 18.19 -10 47 03.1 20.2 RoES046H01
K12S20X C2012 09 21.16112 22 17 18.42 -10 46 40.6 20.3 RoES046H01
K12S20X C2012 09 21.16738 22 17 18.61 -10 46 22.1 20.3 RoES046H01
K12S20X C2012 09 21.17407 22 17 18.81 -10 46 02.5 20.3 RoES046H01
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observer B. Stecklum. 1.34-m
f/4 Schmidt + CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2012 SX20 Earth MOID = 0.1616 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 24.58604 (2000.0) P Q
n 0.43005966 Peri. 316.57297 +0.64611399 +0.76300842
a 1.7382687 Node 353.59367 -0.64595117 +0.53351008
e 0.3450393 Incl. 9.71979 -0.40655109 +0.36494541
P 2.29 H 22.2 G 0.15 U 8
Residuals in seconds of arc
120919 G96 0.0 0.4+ 120920 H21 0.0 0.1+ 120920 033 0.2+ 0.9+
120919 G96 0.1- 0.3- 120920 H21 0.3+ 0.2+ 120920 033 0.1- 0.4-
120919 G96 0.1+ 0.1- 120920 H36 0.5- 0.9- 120921 291 0.7- 0.7+
120919 G96 0.6- 0.1- 120920 H36 0.1+ 0.9+ 120921 291 0.3- 0.8-
120919 H01 0.2+ 0.0 120920 H36 0.8- 0.3- 120921 291 0.8+ 0.8+
120919 H01 0.1+ 0.1- 120920 H01 0.2+ 0.1+ 120921 H01 0.1+ 0.3-
120919 H01 0.0 0.0 120920 H01 0.2+ 0.1+ 120921 H01 0.1+ 0.2-
120919 H01 0.1+ 0.1+ 120920 H01 0.2+ 0.1+ 120921 H01 0.1+ 0.1-
120920 807 0.3+ 0.0 120920 H01 0.1+ 0.0 120921 H01 0.0 0.2-
120920 807 0.0 0.1+ 120920 033 0.0 0.0
120920 807 0.2+ 0.1- 120920 033 0.1- 1.4-
Ephemeris:
2012 SX20 a,e,i = 1.74, 0.35, 10 q = 1.1385
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 08 22 22 02 37.5 -46 04 29 0.1648 1.1513 145.7 29.7 19.9
...
2012 09 06 22 08 50.5 -26 22 41 0.1852 1.1803 156.7 19.8 19.9
...
2012 09 14 22 12 46.8 -17 21 20 0.2099 1.2017 156.8 19.3 20.2
...
2012 09 20 22 16 29.1 -11 44 33 0.2345 1.2201 154.5 20.8 20.5
2012 09 21 22 17 10.7 -10 54 15 0.2391 1.2234 154.0 21.1 20.6
2012 09 22 22 17 53.7 -10 05 33 0.2438 1.2267 153.5 21.4 20.6
...
2012 09 28 22 22 39.7 -05 45 11 0.2747 1.2475 150.0 23.7 21.0
...
2012 10 06 22 30 11.6 -01 11 55 0.3226 1.2777 145.1 26.6 21.5
...
2012 10 21 22 47 40.0 +04 39 59 0.4313 1.3401 136.1 31.0 22.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-S46
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