MPEC 2008-R30 : COMET P/2001 X2 = 2008 R2 (SCOTTI)
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M.P.E.C. 2008-R30 Issued 2008 Sept. 5, 17:14 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2001 X2 = 2008 R2 (SCOTTI)
Observations:
PK08R020 C2007 09 13.23972 22 44 57.69 -06 14 51.8 21.7 N ER030G96
PK08R020 C2007 09 13.24651 22 44 57.44 -06 14 52.7 20.8 N ER030G96
PK08R020 C2007 09 13.25310 22 44 57.22 -06 14 54.2 21.3 N ER030G96
PK08R020 C2007 09 13.25976 22 44 56.90 -06 14 56.9 22.3 N ER030G96
PK08R020 C2007 10 08.20007 22 31 12.93 -07 51 05.8 21.9 N ER030G96
PK08R020 C2007 10 08.20661 22 31 12.79 -07 51 06.0 21.7 N ER030G96
PK08R020 C2007 10 08.21314 22 31 12.54 -07 51 06.6 21.7 N ER030G96
PK08R020 C2007 10 08.21981 22 31 12.36 -07 51 08.6 21.6 N ER030G96
PK08R020 C2008 08 07.41263 03 59 43.06 +19 36 16.6 ER030691
PK08R020 C2008 08 07.42522 03 59 44.02 +19 36 18.8 ER030691
PK08R020 C2008 08 07.43780 03 59 44.86 +19 36 21.6 ER030691
PK08R020 C2008 09 05.43015 04 35 05.42 +20 39 24.5 20.5 T ER030291
PK08R020 C2008 09 05.43752 04 35 05.90 +20 39 24.9 20.9 T ER030291
PK08R020 C2008 09 05.45924 04 35 07.22 +20 39 26.6 20.4 T ER030291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
G96 Mt. Lemmon Survey. Observer E. C. Beshore. Measurers E. C. Beshore,
A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson.
1.5-m reflector + CCD.
Orbital elements:
P/2001 X2 = 2008 R2 (Scotti)
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5
T 2001 Oct. 14.76935 TT MPC
q 2.5238708 (2000.0) P Q
n 0.13424886 Peri. 255.92716 -0.01012914 -0.99990215
a 3.7774232 Node 194.66343 +0.93151319 -0.00592746
e 0.3318538 Incl. 2.18423 +0.36356648 -0.01267070
P 7.34
Epoch 2009 Feb. 18.0 TT = JDT 2454880.5
T 2009 Feb. 7.01580 TT MPC
q 2.5269628 (2000.0) P Q
n 0.13430769 Peri. 255.56010 -0.00227234 -0.99995137
a 3.7763202 Node 194.58025 +0.93153982 +0.00137314
e 0.3308399 Incl. 2.18485 +0.36363222 -0.00976635
P 7.34
Residuals in seconds of arc
011214 691 1.0- 0.5- 011222 204 (0.8- 2.3-) 020119 704 0.5+ 1.2+
011214 704 0.9+ 0.9- 011222 204 0.1- 0.0 020119 704 0.5+ 0.5+
011214 704 0.9+ 1.1- 011222 204 0.3- 0.1- 020124 691 0.7- 0.3+
011214 691 0.8- 1.0- 011222 372 0.3+ 1.3- 020124 691 0.5+ 0.2+
011214 704 0.1+ 0.5- 011222 372 (0.0 2.1-) 020124 691 0.5+ 0.1-
011214 691 0.5- 0.7- 011225 291 0.1+ 1.7+ 020201 360 0.3+ 0.5-
011214 704 0.8+ 0.5+ 011225 291 0.0 1.6+ 020201 360 0.0 0.2-
011214 046 1.1- 0.1+ 011225 291 0.1+ 1.4+ 020201 402 0.8+ 0.7-
011214 046 0.5+ 0.8+ 020104 691 0.8- 0.1+ 020201 402 0.7- 0.1-
011214 046 0.3+ 1.3+ 020104 691 0.6- 0.3- 020201 402 1.5- 0.1+
011214 046 0.8- 0.2- 020104 691 0.2- 0.3- 020204 608 1.2- 0.8+
011214 046 1.8- 0.1+ 020104 046 0.4+ 0.8- 020204 608 0.4- 0.9+
011214 611 0.6- 0.1- 020104 046 1.2- 0.6- 020204 608 0.9- 0.2+
011215 611 0.6- 0.4- 020104 046 0.7+ 0.7- 020206 644 0.4+ 0.5+
011217 734 1.6- 1.6- 020104 046 0.5- 0.4- 020206 644 0.3+ 0.5+
011217 333 0.5+ 1.6- 020105 608 0.6+ 0.9- 020206 644 0.0 0.6+
011217 333 0.2+ 0.7- 020105 608 0.0 0.1+ 020207 704 1.4+ 0.0
011217 333 0.3- 0.4+ 020105 608 0.3+ 0.4+ 020207 704 0.2- 0.0
011217 734 0.1- 0.7- 020108 291 0.4+ 1.9+ 020207 704 0.2- 0.5-
011217 691 (1.2+ 2.3+) 020108 291 0.5+ 1.1+ 020211 704 0.5- 0.7-
011217 691 1.4+ 1.9+ 020109 704 0.5+ 0.3- 020211 704 0.4- 1.1-
011217 691 (0.7+ 2.5+) 020109 704 1.5- 0.2- 020211 704 0.2+ 1.2-
011217 704 0.3+ 1.0+ 020109 704 0.6- 0.4- 020214 691 0.0 0.2+
011217 704 0.3+ 0.2- 020109 704 1.5- 0.3- 020214 691 1.0+ 0.3-
011217 704 0.5+ 0.6+ 020109 704 0.7- 0.8- 020215 691 0.2+ 0.6-
011217 704 0.7- 0.2- 020111 360 0.2- 0.4- 020215 691 0.4+ 0.7-
011218 734 0.3- 1.1+ 020111 360 0.1+ 0.2- 020215 691 0.4+ 0.8-
011218 691 0.3- 0.2- 020113 704 0.3- 0.4+ 020216 046 0.7+ 0.3-
011218 691 0.4- 0.3- 020113 704 1.1- 0.3+ 020216 046 0.1+ 0.5-
011218 734 0.0 1.0- 020113 704 0.6- 0.5+ 020216 046 0.2+ 0.1-
011218 691 0.2+ 0.2- 020113 704 1.1- 0.3+ 020318 691 0.6- 0.5+
011218 360 0.7+ 0.4- 020113 704 0.5- 1.4+ 020318 691 0.8+ 1.1+
011218 360 0.2- 0.5- 020115 704 0.2+ 0.5- 070913 G96 1.0- 0.3-
011218 360 0.7- 0.8- 020115 704 0.5+ 0.7- 070913 G96 0.7- 0.6+
011218 104 0.2+ 0.5- 020115 704 0.1- 1.0- 070913 G96 0.0 0.9+
011218 104 0.2- 0.6- 020116 608 0.0 0.0 070913 G96 0.7- 0.1-
011218 104 0.9- 0.6- 020116 608 0.1+ 0.0 071008 G96 0.7+ 0.4-
011218 104 (4.2- 0.8-) 020116 608 0.1- 0.8- 071008 G96 1.0+ 0.6+
011219 691 0.4+ 0.4- 020117 046 0.2+ 0.6+ 071008 G96 0.2- 1.2+
011219 691 0.7+ 0.9- 020117 046 1.1+ 0.4+ 071008 G96 0.4- 0.4+
011219 691 0.8+ 1.0- 020117 046 0.1+ 0.3+ 080807 691 1.7+ 0.0
011220 704 0.3- 0.6+ 020117 046 0.4- 0.1- 080807 691 0.9+ 0.3-
011220 704 0.1+ 0.4- 020118 704 0.6+ 0.3+ 080807 691 1.6- 0.0
011220 704 0.6+ 0.2+ 020118 704 0.1+ 0.6- 080905 291 0.4- 0.1+
011220 704 0.9- 0.8+ 020118 704 0.0 0.1- 080905 291 0.0 0.1-
011220 704 0.7- 0.1+ 020118 704 0.1+ 0.6- 080905 291 0.3- 0.0
011221 170 (0.3+ 2.5-) 020119 704 0.2- 0.4+
011221 170 0.2- 0.2- 020119 704 0.4+ 0.0
Ephemeris:
P/2001 X2 = 2008 R2 (Scotti)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 09 01 04 30.31 +20 33.5 2.517 2.707 89.7 21.9 19.8
2008 09 11 04 40.69 +20 45.1 2.371 2.687 97.0 21.8 19.7
2008 09 21 04 49.44 +20 50.5 2.229 2.667 104.7 21.4 19.5
2008 10 01 04 56.25 +20 50.2 2.093 2.649 112.9 20.4 19.3
2008 10 11 05 00.76 +20 44.7 1.965 2.631 121.7 18.8 19.2
2008 10 21 05 02.74 +20 34.6 1.850 2.615 131.2 16.6 19.0
2008 10 31 05 01.99 +20 20.6 1.750 2.600 141.3 13.8 18.9
2008 11 10 04 58.58 +20 03.2 1.669 2.586 152.1 10.3 18.7
2008 11 20 04 52.91 +19 43.3 1.611 2.574 163.5 6.3 18.6
2008 11 30 04 45.67 +19 22.2 1.579 2.563 174.7 2.1 18.6
2008 12 10 04 37.94 +19 02.1 1.575 2.553 171.9 3.1 18.6
2008 12 20 04 30.86 +18 45.4 1.597 2.545 160.3 7.5 18.6
2008 12 30 04 25.44 +18 34.6 1.645 2.539 149.0 11.5 18.6
2009 01 09 04 22.44 +18 31.6 1.715 2.533 138.1 15.0 18.7
2009 01 19 04 22.21 +18 36.9 1.803 2.530 127.9 17.9 18.8
2009 01 29 04 24.81 +18 49.8 1.906 2.528 118.4 20.0 18.9
2009 02 08 04 30.12 +19 09.1 2.020 2.527 109.6 21.6 19.1
2009 02 18 04 37.87 +19 32.6 2.141 2.528 101.3 22.5 19.2
2009 02 28 04 47.78 +19 58.2 2.266 2.530 93.6 23.0 19.3
2009 03 10 04 59.56 +20 23.9 2.394 2.534 86.4 23.0 19.4
2009 03 20 05 12.90 +20 47.6 2.523 2.540 79.6 22.7 19.6
2009 03 30 05 27.56 +21 07.6 2.650 2.547 73.1 22.0 19.7
2009 04 09 05 43.31 +21 22.4 2.775 2.555 67.0 21.1 19.8
2009 04 19 05 59.92 +21 30.8 2.896 2.565 61.1 20.0 19.9
2009 04 29 06 17.22 +21 31.8 3.012 2.576 55.3 18.8 20.0
2009 05 09 06 35.02 +21 24.8 3.123 2.589 49.8 17.3 20.1
2009 05 19 06 53.17 +21 09.4 3.228 2.603 44.4 15.8 20.2
2009 05 29 07 11.53 +20 45.4 3.326 2.618 39.1 14.1 20.3
2009 06 08 07 29.98 +20 12.9 3.416 2.634 33.9 12.4 20.4
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-R30
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