MPEC 2012-K41 : COMET P/2008 R1 (GARRADD)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2012-K40
Read MPEC 2012-K42
M.P.E.C. 2012-K41 Issued 2012 May 22, 18:44 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
COMET P/2008 R1 (GARRADD)
Observations:
PK08R010 _C2011 02 03.53655910 12 25.692+34 16 57.07 tEK041568
PK08R010 _C2011 02 03.54497610 12 25.225+34 17 00.07 tEK041568
PK08R010 _C2011 02 05.43998810 10 41.877+34 28 07.91 tEK041568
PK08R010 _C2011 02 05.44747710 10 41.424+34 28 10.54 tEK041568
PK08R010 mC2012 04 14.15385214 03 07.055-00 44 58.76 23.4 NtEK041I33
PK08R010 mC2012 04 14.16094714 03 06.602-00 44 58.33 23.7 NtEK041I33
PK08R010 _C2012 04 15.51290914 01 41.515-00 43 32.47 tEK041568
PK08R010 _C2012 04 15.51675214 01 41.249-00 43 32.18 tEK041568
PK08R010 _C2012 04 15.52833014 01 40.513-00 43 31.49 tEK041568
Observer details:
568 Mauna Kea. Observers H. Hsieh, E. Schunova, C. Trujillo, A. Matulonis,
A. Nitta, L. Fuhrman. Measurers M. Micheli, H. Hsieh. 10-m Keck I + CCD,
8.1-m Gemini North + CCD.
I33 SOAR, Cerro Pachon. Observer H. Hsieh. Measurers M. Micheli, H. Hsieh.
4.1-m reflector + CCD.
Orbital elements:
P/2008 R1 (Garradd)
Epoch 2013 Jan. 28.0 TT = JDT 2456320.5
T 2013 Jan. 25.43382 TT MPC
q 1.7976845 (2000.0) P Q
n 0.21877172 Peri. 256.55895 +0.59348670 +0.77538649
a 2.7277753 Node 51.96117 -0.59081218 +0.60175378
e 0.3409705 Incl. 15.89883 -0.54654781 +0.19148939
P 4.51
From 38 observations 2008 July 15-2012 Apr. 15, mean residual 0".73.
P/2008 R1 (Garradd)
Epoch 2008 Aug. 2.0 TT = JDT 2454680.5
T 2008 July 25.30513 TT MPC
q 1.7930565 (2000.0) P Q
n 0.21893690 Peri. 256.50765 +0.59323517 +0.77553559
a 2.7264032 Node 51.99570 -0.59098551 +0.60166243
e 0.3423363 Incl. 15.90292 -0.54663348 +0.19117235
P 4.50
From 38 observations 2008 July 15-2012 Apr. 15, mean residual 0".73.
Residuals in seconds of arc
080715 E12 1.9- 0.9- 080902 E16 (0.8+ 2.6-) 080927 423 1.0+ 0.3-
080902 E12 0.7- 1.5+ 080902 E16 (0.9+ 3.1-) 080927 423 0.3+ 0.8+
080902 E12 (0.1- 2.3+) 080904 I77 0.0 0.9+ 080930 423 0.1+ 1.8+
080902 E12 0.1- 0.3+ 080904 I77 1.6- 0.9+ 081001 423 1.0+ 0.5+
080902 E12 0.1- 1.4+ 080909 E12 0.3- 0.6- 100413 568 0.3+ 1.2-
080902 E12 0.0 0.5- 080923 F84 0.4- 1.3+ 110203 568 0.8+ 1.4+
080902 E12 0.4- 0.5- 080923 F84 0.2+ 0.6+ 110203 568 0.8+ 1.4+
080902 E12 0.2- 0.4- 080923 E12 0.4+ 0.2+ 110205 568 0.9+ 1.7+
080902 E12 0.0 0.3- 080923 E12 0.6+ 0.3+ 110205 568 0.5+ 1.7+
080902 E12 0.2- 0.6- 080923 E12 0.8+ 0.1- 120414 I33 0.0 0.1+
080902 E12 0.2- 0.5- 080924 F84 0.3+ 0.5+ 120414 I33 0.0 0.0
080902 E16 (0.8+ 3.3-) 080924 E12 0.5+ 0.1+ 120415 568 0.2+ 0.2+
080902 E16 (1.6+ 3.4-) 080924 415 0.1+ 0.6- 120415 568 0.1- 0.3+
080902 E16 (1.4+ 4.0-) 080924 415 0.1- 0.2- 120415 568 0.2+ 0.2+
080902 E16 (1.0+ 2.8-) 080925 E12 0.5+ 0.3-
080902 E16 (1.7+ 3.3-) 080925 E12 0.2+ 0.2-
Ephemeris:
P/2008 R1 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2012 04 21 13 55 46.7 -00 39 11 1.5796 2.5728 168.8 4.4 20.6
...
2012 05 06 13 39 30.9 -00 46 42 1.5615 2.5168 156.0 9.4 20.5
...
2012 05 14 13 31 47.3 -01 04 49 1.5754 2.4868 147.3 12.7 20.4
...
2012 05 20 13 26 49.3 -01 25 25 1.5953 2.4642 140.8 15.0 20.4
2012 05 21 13 26 04.6 -01 29 27 1.5993 2.4604 139.8 15.4 20.4
2012 05 22 13 25 21.4 -01 33 38 1.6035 2.4566 138.7 15.8 20.4
...
2012 05 28 13 21 35.9 -02 02 13 1.6327 2.4340 132.4 17.9 20.4
...
2012 06 05 13 18 10.1 -02 49 05 1.6802 2.4037 124.4 20.4 20.4
...
2012 06 20 13 16 45.5 -04 40 48 1.7889 2.3471 110.5 23.9 20.5
Gareth V. Williams (C) Copyright 2012 MPC M.P.E.C. 2012-K41
Read MPEC 2012-K40
Read MPEC 2012-K42
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)