MPEC 2008-A56 : 2008 AV28
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M.P.E.C. 2008-A56 Issued 2008 Jan. 12, 20:29 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 AV28
Observations:
K08A28V C2007 12 19.43301 10 00 30.96 +18 53 28.7 21.6 V EA056G96
K08A28V C2007 12 19.44265 10 00 30.67 +18 53 24.8 21.2 V EA056G96
K08A28V C2007 12 19.45245 10 00 30.34 +18 53 20.8 21.5 V EA056G96
K08A28V* C2008 01 11.39003 09 30 15.97 +16 40 25.0 20.2 V EA056691
K08A28V C2008 01 11.40767 09 30 13.61 +16 40 19.5 20.2 V EA056691
K08A28V C2008 01 11.42530 09 30 11.24 +16 40 14.1 20.0 V EA056691
K08A28V C2008 01 12.32478 09 28 12.93 +16 35 31.0 20.0 V EA056G96
K08A28V C2008 01 12.33216 09 28 11.92 +16 35 28.8 20.4 V EA056G96
K08A28V C2008 01 12.33468509 28 11.23 +16 35 27.0 20.7 V EA056H55
K08A28V C2008 01 12.33935509 28 10.56 +16 35 25.2 20.4 V EA056H55
K08A28V C2008 01 12.33950 09 28 10.92 +16 35 26.5 20.2 V EA056G96
K08A28V C2008 01 12.34408909 28 09.95 +16 35 25.0 20.3 V EA056H55
K08A28V C2008 01 12.34684 09 28 09.87 +16 35 24.2 20.1 V EA056G96
K08A28V HC2008 01 12.45149 09 27 55.33 +16 34 51.2 EA056291
K08A28V C2008 01 12.45544 09 27 54.75 +16 34 50.9 EA056291
K08A28V C2008 01 12.45931 09 27 54.19 +16 34 49.5 EA056291
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 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. Observers R. A. Kowalski, S. M. Larson. 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.
0.61-m f/4.0 astrograph + CCD.
Orbital elements:
2008 AV28 Earth MOID = 0.2210 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 105.49932 (2000.0) P Q
n 0.75925187 Peri. 5.91863 +0.64721119 +0.73078491
a 1.1899959 Node 304.63912 -0.70977757 +0.47386478
e 0.3364422 Incl. 15.28972 -0.27808898 +0.49133042
P 1.30 H 19.4 G 0.15 U 7
Residuals in seconds of arc
071219 G96 0.3- 0.1+ 080112 G96 0.2+ 0.3- 080112 G96 0.2+ 0.4-
071219 G96 0.2+ 0.0 080112 G96 0.4+ 0.3- 080112 291 0.3+ 0.6-
071219 G96 0.2+ 0.1- 080112 H55 0.1- 0.0 080112 291 0.1- 0.4+
080111 691 0.3- 0.1- 080112 H55 0.4- 0.3- 080112 291 0.4- 0.3+
080111 691 0.0 0.0 080112 G96 0.6+ 0.3-
080111 691 0.2+ 0.1+ 080112 H55 0.2+ 1.0+
Ephemeris:
2008 AV28 a,e,i = 1.19, 0.34, 15 q = 0.7896
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 01 05 09 42.65 +17 14.2 0.681 1.575 141.6 22.8 20.6
2008 01 15 09 22.01 +16 21.5 0.633 1.584 156.3 14.5 20.2
2008 01 25 08 55.63 +15 26.4 0.608 1.589 172.1 4.9 19.7
2008 02 04 08 27.40 +14 25.2 0.610 1.590 170.1 6.1 19.8
2008 02 14 08 02.18 +13 21.2 0.639 1.588 154.4 15.6 20.3
2008 02 24 07 43.47 +12 20.2 0.689 1.581 140.1 23.7 20.7
2008 03 05 07 32.25 +11 26.4 0.755 1.570 127.6 30.0 21.1
2008 03 15 07 28.00 +10 39.6 0.829 1.556 116.8 34.8 21.4
2008 03 25 07 29.52 +09 56.5 0.908 1.537 107.5 38.2 21.7
2008 04 04 07 35.59 +09 13.7 0.986 1.515 99.4 40.6 21.9
2008 04 14 07 45.28 +08 27.8 1.060 1.489 92.3 42.3 22.0
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-A56
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