MPEC 2012-X17 : 2012 XN2
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M.P.E.C. 2012-X17 Issued 2012 Dec. 5, 18:10 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 XN2
Observations:
K12X02N* C2012 12 03.11926 02 13 27.94 +13 57 55.4 19.1 VrEX017703
K12X02N C2012 12 03.12484 02 13 28.81 +13 57 02.0 18.8 VrEX017703
K12X02N C2012 12 03.13089 02 13 29.89 +13 56 03.0 18.9 VrEX017703
K12X02N C2012 12 03.13648 02 13 30.72 +13 55 08.6 19.0 VrEX017703
K12X02N C2012 12 03.15039 02 13 32.97 +13 52 55.0 19.1 RoEX017G48
K12X02N C2012 12 03.15132 02 13 33.11 +13 52 45.9 19.4 RoEX017G48
K12X02N C2012 12 03.15227 02 13 33.29 +13 52 36.5 19.4 RoEX017G48
K12X02N C2012 12 03.15321 02 13 33.44 +13 52 27.3 19.4 RoEX017G48
K12X02N C2012 12 03.15416 02 13 33.53 +13 52 18.2 19.2 RoEX017G48
K12X02N C2012 12 03.15507 02 13 33.76 +13 52 09.3 19.1 RoEX017G48
K12X02N C2012 12 03.16264 02 13 35.00 +13 50 55.5 19.1 VrEX017703
K12X02N C2012 12 03.16817 02 13 35.97 +13 50 02.0 19.0 VrEX017703
K12X02N C2012 12 03.17373 02 13 36.94 +13 49 08.7 18.4 VrEX017703
K12X02N C2012 12 03.17926 02 13 37.70 +13 48 16.1 18.9 VrEX017703
K12X02N KC2012 12 03.25001 02 13 48.54 +13 36 48.8 19.0 RqEX017H36
K12X02N KC2012 12 03.26098 02 13 50.45 +13 35 01.9 19.7 RqEX017H36
K12X02N KC2012 12 03.27115 02 13 52.07 +13 33 24.8 17.8 RqEX017H36
K12X02N KC2012 12 03.31993 02 14 00.58 +13 25 45.7 19.3 RoEX017291
K12X02N KC2012 12 03.32108 02 14 00.76 +13 25 34.7 19.2 RoEX017291
K12X02N KC2012 12 03.32223 02 14 00.97 +13 25 23.5 19.1 RoEX017291
K12X02N KC2012 12 03.73544 02 15 16.27 +12 21 09.0 uEX017118
K12X02N KC2012 12 03.74388 02 15 17.71 +12 19 51.2 uEX017118
K12X02N KC2012 12 03.75231 02 15 19.08 +12 18 35.7 uEX017118
K12X02N KC2012 12 03.82743 02 15 31.48 +12 07 15.6 uEX017J95
K12X02N KC2012 12 03.83420 02 15 32.53 +12 06 14.9 uEX017J95
K12X02N KC2012 12 03.84116 02 15 33.63 +12 05 12.5 19.2 RuEX017J95
K12X02N KC2012 12 03.88789 02 15 40.51 +11 58 18.4 18.7 RcEX017A24
K12X02N KC2012 12 03.89171 02 15 41.09 +11 57 44.6 18.8 RcEX017A24
K12X02N KC2012 12 03.89552 02 15 41.74 +11 57 10.0 18.9 RcEX017A24
K12X02N KC2012 12 04.05841802 16 09.78 +11 34 04.2 18.9 RtEX017W85
K12X02N KC2012 12 04.06150402 16 10.24 +11 33 37.2 18.8 RtEX017W85
K12X02N KC2012 12 04.06458302 16 10.69 +11 33 10.2 18.8 RtEX017W85
K12X02N KC2012 12 04.06766702 16 11.14 +11 32 42.9 18.8 RtEX017W85
K12X02N KC2012 12 04.07074502 16 11.60 +11 32 16.0 18.8 RtEX017W85
K12X02N KC2012 12 04.13518 02 16 22.82 +11 22 03.5 19.0 RqEX017448
K12X02N KC2012 12 04.14969 02 16 24.91 +11 19 57.2 19.9 RqEX017448
K12X02N KC2012 12 04.16420 02 16 27.08 +11 17 50.9 19.5 RqEX017448
K12X02N C2012 12 04.42195 02 17 09.94 +10 40 59.4 19.7 RoEX017300
K12X02N C2012 12 04.42519 02 17 10.37 +10 40 32.0 19.3 RoEX017300
K12X02N C2012 12 04.42845 02 17 10.83 +10 40 03.9 19.2 RoEX017300
K12X02N C2012 12 04.43168 02 17 11.32 +10 39 37.3 19.3 RoEX017300
K12X02N KC2012 12 04.83453 02 18 13.55 +09 44 01.1 tEX017204
K12X02N KC2012 12 04.84417 02 18 14.90 +09 42 43.1 tEX017204
K12X02N KC2012 12 04.85386 02 18 16.27 +09 41 25.0 19.0 RtEX017204
K12X02N KC2012 12 04.94156 02 18 28.97 +09 29 36.6 uEX017J95
K12X02N KC2012 12 04.94379 02 18 29.26 +09 29 19.2 18.6 RuEX017J95
K12X02N |C2012 12 05.02275 02 18 42.93 +09 19 49.9 19.4 VuEX017807
K12X02N |C2012 12 05.02560 02 18 43.32 +09 19 27.4 19.8 VuEX017807
K12X02N |C2012 12 05.02844 02 18 43.71 +09 19 05.0 19.8 VuEX017807
K12X02N |C2012 12 05.03140 02 18 44.11 +09 18 41.5 19.6 VuEX017807
K12X02N |C2012 12 05.03412 02 18 44.47 +09 18 20.0 19.6 VuEX017807
K12X02N KC2012 12 05.05705 02 18 48.48 +09 14 26.3 19.4 RqEX017H36
K12X02N KC2012 12 05.06271 02 18 49.24 +09 13 41.4 19.3 RqEX017H36
K12X02N KC2012 12 05.06840 02 18 50.04 +09 12 56.6 19.4 RqEX017H36
K12X02N KC2012 12 05.07416 02 18 50.84 +09 12 11.4 19.2 RqEX017H36
K12X02N C2012 12 05.17652 02 19 05.34 +08 58 54.1 19.6 VrEX017G96
K12X02N C2012 12 05.18323 02 19 06.24 +08 58 02.0 19.3 VrEX017G96
K12X02N C2012 12 05.18990 02 19 07.14 +08 57 10.0 19.3 VrEX017G96
K12X02N C2012 12 05.19653 02 19 08.00 +08 56 18.5 19.3 VrEX017G96
K12X02N KC2012 12 05.20865002 19 08.72 +08 54 38.8 19.3 VrEX017H21
K12X02N KC2012 12 05.21186702 19 09.18 +08 54 13.8 19.4 VrEX017H21
K12X02N KC2012 12 05.21675002 19 09.85 +08 53 35.7 19.6 VrEX017H21
Observer details:
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
204 Schiaparelli Observatory. Observers L. Buzzi, A. De Pieri. 0.38-m f/6.8
reflector + CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers S. Urakawa, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
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.
A24 New Millennium Observatory, Mozzate. Observer E. Cozzi. 0.36-m f/11
Schmidt-Cassegrain + CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.40-m
f/10 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
W85 Cerro Tololo-LCOGT A. Observer T. Lister. 1.0-m f/8 Ritchey-Chretien
+ CCD.
Orbital elements:
2012 XN2 Earth MOID = 0.1155 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 18.43680 (2000.0) P Q
n 0.85616945 Peri. 63.77394 +0.49950523 +0.69569385
a 1.0984060 Node 246.21292 -0.84640439 +0.51892398
e 0.3725035 Incl. 34.34443 +0.18464597 +0.49671719
P 1.15 H 21.5 G 0.15 U 8
Residuals in seconds of arc
121203 703 0.3+ 0.1+ 121203 118 0.3- 1.8- 121204 204 0.0 0.1-
121203 703 0.5- 0.7+ 121203 118 0.2+ 0.9- 121204 204 0.1+ 0.1+
121203 703 0.8+ 0.3+ 121203 J95 0.1+ 0.2- 121204 J95 0.2+ 0.1-
121203 703 0.5- 0.1- 121203 J95 0.1- 0.0 121204 J95 0.1- 0.3+
121203 G48 0.3+ 0.3+ 121203 J95 0.0 0.1+ 121205 807 0.1+ 0.1-
121203 G48 0.2+ 0.2+ 121203 A24 0.2+ 0.9+ 121205 807 0.2+ 0.0
121203 G48 0.5+ 0.0 121203 A24 0.1+ 1.3+ 121205 807 0.2+ 0.0
121203 G48 0.5+ 0.1- 121203 A24 1.0+ 0.8+ 121205 807 0.2+ 0.1-
121203 G48 0.5- 0.0 121204 W85 0.1+ 0.2- 121205 807 0.1+ 0.1-
121203 G48 0.7+ 0.1- 121204 W85 0.1+ 0.1- 121205 H36 0.2+ 0.1-
121203 703 0.5- 0.4- 121204 W85 0.1+ 0.1- 121205 H36 0.2- 0.4-
121203 703 0.6+ 0.5- 121204 W85 0.0 0.3- 121205 H36 0.0 0.4-
121203 703 1.5+ 0.1- 121204 W85 0.1+ 0.2- 121205 H36 0.2+ 0.3-
121203 703 0.5- 0.6+ 121204 448 0.3+ 0.3+ 121205 G96 0.2- 0.2-
121203 H36 0.9- 0.4+ 121204 448 0.4- 0.2+ 121205 G96 0.2- 0.0
121203 H36 0.5+ 1.1- 121204 448 0.1+ 0.1- 121205 G96 0.0 0.1-
121203 H36 0.5- 0.6- 121204 300 0.5+ 0.3+ 121205 G96 0.3- 0.0
121203 291 0.1- 0.2+ 121204 300 0.1- 0.2+ 121205 H21 0.2- 0.1+
121203 291 0.3- 0.1+ 121204 300 0.4- 0.5- 121205 H21 0.1+ 0.2+
121203 291 0.0 0.1- 121204 300 0.1- 0.1+ 121205 H21 0.2+ 0.1+
121203 118 1.7- 0.5- 121204 204 0.0 0.1+
Ephemeris:
2012 XN2 a,e,i = 1.10, 0.37, 34 q = 0.6892
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 11 05 15 41 17.0 +57 09 25 0.2403 0.9532 73.9 92.1 21.6
...
2012 11 20 23 32 16.4 +71 41 03 0.1244 1.0507 117.1 56.8 19.1
...
2012 11 28 01 51 51.1 +32 06 26 0.1342 1.1005 146.2 30.0 18.6
...
2012 12 04 02 15 59.4 +11 42 14 0.1812 1.1365 143.6 31.0 19.4
2012 12 05 02 18 38.3 +09 22 28 0.1908 1.1423 142.3 31.9 19.5
2012 12 06 02 21 03.8 +07 16 49 0.2009 1.1482 140.9 32.8 19.7
...
2012 12 12 02 32 33.9 -01 36 02 0.2664 1.1823 132.9 37.6 20.5
...
2012 12 20 02 43 58.2 -07 40 05 0.3620 1.2254 124.4 41.5 21.4
...
2013 01 04 03 02 17.8 -11 50 07 0.5512 1.2983 112.5 44.4 22.5
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-X17
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