MPEC 2004-K60 : 2002 NA31
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M.P.E.C. 2004-K60 Issued 2004 May 28, 12:30 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.
Supported in part by the Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 NA31
Revision to MPEC 2002-O02
Additional Observations:
K02N31A HC2004 05 13.46996 16 05 32.58 +22 33 22.5 EK060291
K02N31A HC2004 05 13.47576 16 05 32.10 +22 33 24.8 EK060291
K02N31A HC2004 05 13.48162 16 05 31.60 +22 33 26.9 21.8 V EK060291
K02N31A C2004 05 28.23554 15 44 05.54 +23 03 07.3 22.6 V EK060291
K02N31A C2004 05 28.24180 15 44 04.96 +23 03 06.2 22.6 V EK060291
K02N31A C2004 05 28.24779 15 44 04.35 +23 03 05.3 22.0 V EK060291
Observer details:
291 LPL/Spacewatch II. Observers A. E. Gleason, T. H. Bressi. 1.8-m f/2.7
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
040513 291 48.1+ 11.8- 040528 291 48.9+ 8.1- MPO 62392 -0.017 day
Orbital elements:
2002 NA31
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 307.66907 (2000.0) P Q
n 0.45837956 Peri. 219.79468 +0.93635598 +0.21462558
a 1.6659139 Node 125.59654 -0.16499216 +0.96754673
e 0.2886699 Incl. 19.97691 -0.30986299 +0.13337611
P 2.15 H 19.8 G 0.15 U 2
Residuals in seconds of arc
020621 644 0.3- 0.6+ 020719 413 0.6- 0.3- 020730 413 0.1- 0.3+
020621 644 0.7+ 0.1+ 020719 413 0.3- 0.2- 020730 413 0.2+ 0.2-
020621 644 0.2- 0.1+ 020719 151 0.5- 0.9+ 020731 413 0.0 0.1-
020710 644 0.1+ 0.1- 020719 151 0.5- 0.2+ 020731 413 0.1- 0.1-
020710 644 0.1- 0.0 020719 151 0.7+ 0.6- 020805 428 0.6+ 0.2-
020715 704 0.4- 0.2- 020719 151 0.0 0.3+ 020805 428 1.0+ 1.4+
020715 704 0.5+ 0.3- 020720 413 0.1- 0.4- 020810 428 0.5+ 0.2-
020715 704 0.7- 0.8- 020720 413 0.1- 0.1+ 020810 428 0.5+ 0.6-
020716 557 0.3- 0.5- 020720 413 0.2- 0.2- 020819 413 0.3+ 0.0
020716 557 1.2+ 0.6+ 020721 J95 0.3+ 0.5+ 020819 413 0.3+ 0.1-
020716 557 0.2+ 0.2+ 020721 J95 0.2- 0.0 020819 413 0.1+ 0.0
020716 711 0.1+ 0.7- 020721 J95 1.5+ 0.7- 021003 474 0.1- 0.2-
020716 711 0.1+ 0.6+ 020721 J95 1.2- 0.4+ 021003 474 0.3+ 0.5-
020716 711 0.0 0.4+ 020721 413 0.0 0.2- 021003 474 0.5- 0.3-
020716 848 1.0+ 0.1+ 020721 413 0.2+ 0.1- 021003 474 0.4+ 0.1+
020716 848 0.6- 0.6+ 020721 413 0.1- 0.3- 021003 474 0.2- 0.1+
020716 848 0.2+ 1.1- 020722 644 0.1- 0.3+ 021004 474 0.2+ 0.1-
020716 848 0.8- 0.3- 020722 644 0.2- 0.2+ 021004 474 0.4- 0.3+
020716 422 0.2+ 1.0- 020722 644 0.1- 0.3+ 021004 474 0.4- 0.1+
020716 422 0.2+ 0.2- 020727 649 0.3- 0.5+ 040513 291 0.0 0.2+
020716 422 0.5+ 0.4- 020727 649 1.6- 0.0 040513 291 0.1- 0.2+
020716 422 0.1+ 0.3- 020727 649 1.3- 0.0 040513 291 0.3- 0.0
020718 848 0.6- 0.8+ 020730 649 0.1- 0.2- 040528 291 0.2+ 0.3-
020718 848 (1.4- 2.7+) 020730 649 0.8- 0.3- 040528 291 0.4+ 0.2-
020718 848 0.9+ 0.6+ 020730 649 0.2- 0.2+ 040528 291 0.2- 0.0
020719 413 0.3- 0.0 020730 413 0.2- 0.1+
Ephemeris:
2002 NA31 a,e,i = 1.67, 0.29, 20 q = 1.1850
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 05 25 15 48.96 +23 09.9 0.800 1.681 135.6 24.9 21.6
2004 06 04 15 34.15 +22 24.1 0.783 1.642 131.6 27.5 21.6
2004 06 14 15 21.24 +20 26.4 0.778 1.603 126.1 30.8 21.6
2004 06 24 15 11.94 +17 25.7 0.784 1.563 120.0 34.3 21.7
2004 07 04 15 07.18 +13 37.0 0.797 1.523 113.7 37.7 21.7
2004 07 14 15 07.12 +09 15.2 0.816 1.483 107.6 40.8 21.8
2004 07 24 15 11.61 +04 32.3 0.838 1.443 101.8 43.6 21.9
2004 08 03 15 20.31 -00 21.6 0.863 1.404 96.5 45.9 22.0
2004 08 13 15 32.88 -05 19.4 0.889 1.367 91.6 47.8 22.0
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-K60
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