MPEC 2007-H37 : 2007 HX4
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M.P.E.C. 2007-H37 Issued 2007 Apr. 21, 08:16 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
2007 HX4
Observations:
K07H04X* C2007 04 20.40858 14 18 52.34 +57 35 31.8 19.5 V EH037703
K07H04X C2007 04 20.41391 14 18 50.07 +57 35 20.4 19.5 V EH037703
K07H04X C2007 04 20.41921 14 18 47.62 +57 35 10.5 20.6 V EH037703
K07H04X C2007 04 20.42454 14 18 45.36 +57 34 58.8 19.7 V EH037703
K07H04X C2007 04 20.44712 14 18 35.67 +57 34 10.7 20.0 V EH037703
K07H04X C2007 04 20.45273 14 18 33.19 +57 33 58.6 19.9 V EH037703
K07H04X C2007 04 20.46402 14 18 28.47 +57 33 35.3 19.4 V EH037703
K07H04X C2007 04 20.82904 14 15 56.38 +57 20 46.0 20.0 V EH037198
K07H04X C2007 04 20.83010 14 15 55.92 +57 20 43.9 19.9 V EH037198
K07H04X C2007 04 20.83405 14 15 54.21 +57 20 35.9 19.3 V EH037A17
K07H04X C2007 04 20.84864 14 15 48.06 +57 20 05.9 20.1 V EH037198
K07H04X C2007 04 20.86143 14 15 42.61 +57 19 39.9 19.7 V EH037595
K07H04X C2007 04 20.86602 14 15 40.74 +57 19 29.0 19.3 V EH037A17
K07H04X C2007 04 20.87105 14 15 38.58 +57 19 18.8 EH037595
K07H04X C2007 04 20.88112 14 15 34.31 +57 18 56.9 19.2 R EH037024
K07H04X C2007 04 20.88147 14 15 33.97 +57 18 56.9 19.5 V EH037595
K07H04X C2007 04 20.88546 14 15 32.44 +57 18 47.9 EH037024
K07H04X C2007 04 20.88723 14 15 31.80 +57 18 44.5 19.6 V EH037A17
K07H04X C2007 04 20.89117 14 15 30.07 +57 18 36.2 EH037024
K07H04X C2007 04 20.97127 14 14 56.10 +57 15 47.0 19.1 R EH037473
K07H04X C2007 04 20.97518 14 14 54.48 +57 15 38.5 19.1 R EH037473
K07H04X C2007 04 20.98874 14 14 48.72 +57 15 09.2 19.2 R EH037473
K07H04X C2007 04 21.00288 14 14 42.73 +57 14 38.7 19.2 R EH037473
K07H04X C2007 04 21.11700 14 13 54.94 +57 10 31.3 EH037J95
K07H04X C2007 04 21.12279 14 13 52.46 +57 10 18.4 EH037J95
K07H04X C2007 04 21.12855 14 13 50.01 +57 10 05.9 19.2 R EH037J95
K07H04X C2007 04 21.25090 14 13 00.01 +57 05 43.0 19.1 R EH037734
K07H04X C2007 04 21.25553 14 12 58.23 +57 05 34.2 19.6 R EH037734
K07H04X C2007 04 21.25984 14 12 56.34 +57 05 25.2 19.5 R EH037734
K07H04X C2007 04 21.26447 14 12 54.34 +57 05 12.3 19.2 R EH037734
Observer details:
024 Heidelberg-Konigstuhl. Observer F. Hormuth. 0.70-m reflector + CCD.
198 Wildberg. Observer R. Apitzsch. 0.35-m f/4.2 reflector + CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, G. Lombardi, E. Pettarin,
F. Piani. Measurer G. Lombardi. 0.40-m f/4.5 reflector + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 HX4 Earth MOID = 0.0926 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 95.12790 (2000.0) P Q
n 0.67385836 Peri. 12.29721 +0.63589636 -0.53581488
a 1.2885174 Node 42.65680 +0.62028448 -0.07342457
e 0.3064383 Incl. 55.05906 +0.45921997 +0.84113688
P 1.46 H 17.8 G 0.15 U 9
Residuals in seconds of arc
070420 703 0.6+ 0.0 070420 198 0.0 0.3+ 070420 473 0.2+ 0.1+
070420 703 0.8+ 0.2- 070420 595 0.1- 0.3+ 070420 473 0.1+ 0.1-
070420 703 0.6- 1.0+ 070420 A17 0.3+ 0.0 070421 473 0.0 0.2-
070420 703 0.3- 0.4+ 070420 595 0.2+ 0.6- 070421 J95 0.4+ 0.3+
070420 703 0.2- 0.2- 070420 024 0.1- 0.4- 070421 J95 0.0 0.1+
070420 703 0.8- 0.5- 070420 595 1.4- 0.5- 070421 J95 0.3- 0.2+
070420 703 0.2+ 0.0 070420 024 0.3- 0.2- 070421 734 0.7- 0.7-
070420 198 0.4+ 0.6- 070420 A17 0.6+ 0.1+ 070421 734 0.7+ 0.5+
070420 198 0.3+ 0.4- 070420 024 0.0 0.1+ 070421 734 0.1+ 0.9+
070420 A17 0.0 0.1- 070420 473 0.1- 0.2+ 070421 734 0.4- 1.9-
Ephemeris:
2007 HX4 a,e,i = 1.29, 0.31, 55 q = 0.8937
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 04 20 14 21.79 +57 49.4 0.777 1.471 110.6 39.8 19.7
2007 04 30 13 21.72 +50 34.9 0.789 1.505 113.3 37.9 19.7
2007 05 10 12 44.26 +41 23.2 0.833 1.537 112.7 37.3 19.8
2007 05 20 12 23.35 +32 00.6 0.908 1.566 109.2 37.6 20.1
2007 05 30 12 13.05 +23 25.9 1.008 1.591 103.8 38.2 20.4
2007 06 09 12 09.45 +15 57.7 1.127 1.614 97.6 38.6 20.6
2007 06 19 12 10.28 +09 32.0 1.257 1.633 91.2 38.5 20.9
2007 06 29 12 14.22 +03 58.3 1.393 1.650 84.9 37.9 21.1
2007 07 09 12 20.40 -00 55.1 1.530 1.663 78.7 36.8 21.3
2007 07 19 12 28.34 -05 18.2 1.664 1.673 72.7 35.5 21.5
2007 07 29 12 37.71 -09 18.7 1.792 1.679 67.0 33.8 21.6
2007 08 08 12 48.33 -13 02.7 1.912 1.683 61.5 32.0 21.7
Kyle E. Smalley (C) Copyright 2007 MPC M.P.E.C. 2007-H37
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