MPEC 2008-H38 : 2008 HZ1
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M.P.E.C. 2008-H38 Issued 2008 Apr. 28, 18:57 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
2008 HZ1
Observations:
K08H01Z* C2008 04 26.34223 13 35 23.82 -09 05 40.4 20.8 V EH038G96
K08H01Z C2008 04 26.34785 13 35 22.92 -09 05 41.6 20.4 V EH038G96
K08H01Z C2008 04 26.35335 13 35 21.98 -09 05 42.4 21.0 V EH038G96
K08H01Z C2008 04 26.35890 13 35 21.08 -09 05 43.7 20.6 V EH038G96
K08H01Z C2008 04 26.41009 13 35 12.51 -09 05 53.3 21.1 V EH038G96
K08H01Z C2008 04 26.41078 13 35 12.37 -09 05 53.5 20.8 V EH038G96
K08H01Z C2008 04 26.41144 13 35 12.26 -09 05 53.6 21.1 V EH038G96
K08H01Z C2008 04 26.41210 13 35 12.19 -09 05 53.9 20.9 V EH038G96
K08H01Z C2008 04 26.87599 13 33 56.48 -09 07 28.0 21.3 V EH038B21
K08H01Z C2008 04 26.87670 13 33 56.30 -09 07 28.2 21.3 V EH038B21
K08H01Z C2008 04 26.88456 13 33 54.85 -09 07 28.1 22.0 V EH038B21
K08H01Z C2008 04 26.88670 13 33 54.53 -09 07 28.1 21.1 V EH038B21
K08H01Z C2008 04 26.89312 13 33 53.49 -09 07 30.9 21.8 V EH038B21
K08H01Z C2008 04 27.18459813 33 05.39 -09 08 30.4 20.9 V EH038H55
K08H01Z C2008 04 27.19345113 33 03.83 -09 08 27.8 20.8 V EH038H55
K08H01Z C2008 04 27.20208313 33 02.35 -09 08 30.0 20.7 V EH038H55
K08H01Z C2008 04 27.21584 13 33 00.23 -09 08 31.5 21.6 V EH038291
K08H01Z C2008 04 27.22348 13 32 58.97 -09 08 32.9 21.5 V EH038291
K08H01Z C2008 04 27.33272 13 32 40.46 -09 08 56.2 20.6 R EH038682
K08H01Z C2008 04 27.35477 13 32 36.67 -09 08 59.8 20.6 R EH038682
K08H01Z C2008 04 28.23019 13 30 11.57 -09 11 53.3 21.4 V EH038291
K08H01Z C2008 04 28.23437 13 30 10.87 -09 11 54.3 21.5 V EH038291
K08H01Z C2008 04 28.23813 13 30 10.25 -09 11 54.5 21.3 V EH038291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
682 Kanab. Observer E. Sheridan.
B21 Gaisberg Observatory, Schaerding. Observer R. Gierlinger. 0.6-m f/3.3
Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurers W. Ogloza, W. Kulynycz, I. Ulman. 0.81-m f/4.0 astrograph + CCD.
Orbital elements:
2008 HZ1 Earth MOID = 0.1365 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 304.75210 (2000.0) P Q
n 0.45573339 Peri. 309.56801 +0.91646417 +0.33822771
a 1.6723563 Node 32.38040 -0.11226167 +0.73015834
e 0.5799508 Incl. 23.52563 -0.38404524 +0.59369252
P 2.16 H 19.9 G 0.15 U 9
Residuals in seconds of arc
080426 G96 0.7- 0.3+ 080426 B21 1.5+ 1.0- 080427 291 0.5- 0.2+
080426 G96 0.0 0.2+ 080426 B21 0.6+ 1.0- 080427 291 0.1+ 0.3+
080426 G96 0.3- 0.4+ 080426 B21 1.3- 0.6+ 080427 682 0.1+ 0.7-
080426 G96 0.2+ 0.2+ 080426 B21 0.7- 1.0+ 080427 682 0.7- 0.1-
080426 G96 0.3+ 0.2+ 080426 B21 0.1- 0.5- 080428 291 0.3- 0.0
080426 G96 0.1- 0.2+ 080427 H55 (1.5+ 3.7-) 080428 291 0.0 0.1-
080426 G96 0.1- 0.2+ 080427 H55 0.6+ 0.6+ 080428 291 0.3+ 0.4+
080426 G96 0.5+ 0.0 080427 H55 0.3+ 0.1+
Ephemeris:
2008 HZ1 a,e,i = 1.67, 0.58, 24 q = 0.7025
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 04 24 13 41.74 -08 58.1 0.794 1.796 172.6 4.1 21.0
2008 05 04 13 13.96 -09 32.1 0.750 1.723 156.8 13.3 21.2
2008 05 14 12 46.52 -10 13.9 0.733 1.646 141.0 22.7 21.4
2008 05 24 12 22.79 -11 07.9 0.738 1.566 126.2 31.5 21.6
2008 06 03 12 04.61 -12 17.9 0.757 1.483 112.9 39.1 21.7
2008 06 13 11 52.37 -13 47.2 0.779 1.396 101.3 45.5 21.8
2008 06 23 11 45.38 -15 37.3 0.799 1.306 91.2 51.1 21.9
2008 07 03 11 42.57 -17 48.4 0.809 1.213 82.4 56.2 21.9
2008 07 13 11 42.87 -20 20.6 0.807 1.119 74.7 61.2 21.9
2008 07 23 11 45.00 -23 11.8 0.787 1.024 67.9 66.8 21.8
2008 08 02 11 47.57 -26 17.2 0.747 0.932 61.7 73.4 21.7
2008 08 12 11 48.58 -29 24.6 0.687 0.847 55.9 82.0 21.6
2008 08 22 11 44.87 -32 02.7 0.607 0.775 49.9 93.3 21.6
2008 09 01 11 32.23 -32 59.9 0.513 0.724 43.0 108.1 21.8
2008 09 11 11 07.86 -29 53.1 0.419 0.703 34.5 125.8 22.6
2008 09 21 10 37.28 -19 36.5 0.346 0.716 27.6 139.4 23.6
2008 10 01 10 13.96 -02 25.7 0.315 0.760 33.9 132.7 22.8
2008 10 11 10 04.80 +15 38.1 0.329 0.828 50.3 111.9 21.4
2008 10 21 10 06.96 +30 00.9 0.367 0.911 66.1 92.3 20.8
2008 10 31 10 14.57 +40 49.9 0.413 1.001 79.2 76.9 20.7
2008 11 10 10 22.21 +49 28.9 0.458 1.095 90.6 64.7 20.7
2008 11 20 10 25.16 +56 55.8 0.503 1.190 100.8 54.7 20.8
2008 11 30 10 17.66 +63 34.5 0.549 1.283 110.1 46.2 20.9
2008 12 10 09 51.38 +69 13.4 0.600 1.374 118.2 39.2 21.0
2008 12 20 08 57.67 +73 06.7 0.660 1.462 124.4 33.7 21.2
2008 12 30 07 42.99 +74 16.2 0.731 1.546 128.1 30.0 21.5
2009 01 09 06 38.76 +72 42.0 0.817 1.627 129.1 28.0 21.8
2009 01 19 06 02.17 +69 37.4 0.917 1.704 127.4 27.3 22.1
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-H38
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