MPEC 2013-E70 : 2013 EH89
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M.P.E.C. 2013-E70 Issued 2013 Mar. 15, 19:36 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
2013 EH89
Observations:
K13E89H*QC2013 03 12.49785 08 08 08.34 -07 22 56.8 19.3 VrEE070E12
K13E89H QC2013 03 12.50909 08 08 10.16 -07 22 41.3 19.4 VrEE070E12
K13E89H QC2013 03 12.52044 08 08 12.03 -07 22 27.7 19.4 VrEE070E12
K13E89H QC2013 03 12.53168 08 08 13.77 -07 22 13.4 19.6 VrEE070E12
K13E89H QC2013 03 12.55249 08 08 17.23 -07 21 46.4 19.4 VrEE070E12
K13E89H QC2013 03 12.62425 08 08 29.06 -07 20 13.6 20.2 VrEE070E12
K13E89H QC2013 03 12.63132 08 08 30.23 -07 20 04.4 20.3 VrEE070E12
K13E89H KC2013 03 12.86535 08 09 11.59 -07 15 39.2 19.7 RuEE070B74
K13E89H KC2013 03 12.87499 08 09 13.12 -07 15 26.9 19.9 RuEE070B74
K13E89H KC2013 03 12.87981 08 09 13.89 -07 15 21.0 20.0 RuEE070B74
K13E89H |C2013 03 12.99746 08 09 34.63 -07 12 22.5 19.5 VuEE070807
K13E89H |C2013 03 13.00119 08 09 35.22 -07 12 17.9 19.5 VuEE070807
K13E89H |C2013 03 13.00494 08 09 35.83 -07 12 13.2 19.6 VuEE070807
K13E89H |C2013 03 13.00857 08 09 36.41 -07 12 08.6 19.5 VuEE070807
K13E89H |C2013 03 13.01660 08 09 37.70 -07 11 58.6 19.4 VuEE070807
K13E89H KC2013 03 13.08560 08 09 49.33 -07 11 00.6 19.4 RqEE070H36
K13E89H KC2013 03 13.08958 08 09 49.99 -07 10 55.4 19.7 RqEE070H36
K13E89H KC2013 03 13.09034008 09 49.49 -07 10 26.0 19.4 RtEE070W85
K13E89H KC2013 03 13.09356 08 09 50.67 -07 10 50.7 19.8 RqEE070H36
K13E89H C2013 03 13.09409 08 09 51.06 -07 10 48.1 20.3 RoEE070G48
K13E89H C2013 03 13.09578 08 09 51.36 -07 10 46.0 20.3 RoEE070G48
K13E89H KC2013 03 13.09672908 09 50.52 -07 10 18.0 19.5 RtEE070W85
K13E89H C2013 03 13.09751 08 09 51.59 -07 10 43.5 20.4 RoEE070G48
K13E89H KC2013 03 13.09753 08 09 51.27 -07 10 46.2 19.8 RqEE070H36
K13E89H KC2013 03 13.10357208 09 51.61 -07 10 09.5 19.6 RtEE070W85
K13E89H KC2013 03 13.14776 08 09 59.60 -07 09 40.6 19.5 RqEE070448
K13E89H KC2013 03 13.16590 08 10 02.48 -07 09 18.3 19.7 RqEE070448
K13E89H KC2013 03 13.18397 08 10 05.36 -07 08 56.0 19.6 RqEE070448
K13E89H QC2013 03 13.53570 08 11 04.00 -07 01 11.5 19.1 VqEE070E12
K13E89H QC2013 03 13.54100 08 11 04.84 -07 01 04.8 19.3 VqEE070E12
K13E89H C2013 03 13.77198 08 11 44.65 -06 56 53.7 20.4 RoEE070033
K13E89H C2013 03 13.77510 08 11 45.15 -06 56 50.0 20.4 RoEE070033
K13E89H C2013 03 13.78693 08 11 47.04 -06 56 35.3 20.5 RoEE070033
K13E89H C2013 03 13.79006 08 11 47.54 -06 56 31.6 20.5 RoEE070033
K13E89H |C2013 03 13.99761 08 12 22.32 -06 51 47.5 20.2 VuEE070807
K13E89H |C2013 03 14.00121 08 12 22.86 -06 51 43.1 20.1 VuEE070807
K13E89H |C2013 03 14.00482 08 12 23.43 -06 51 38.8 20.0 VuEE070807
K13E89H |C2013 03 14.00843 08 12 24.00 -06 51 33.6 19.9 VuEE070807
K13E89H |C2013 03 14.01203 08 12 24.56 -06 51 29.8 19.9 VuEE070807
K13E89H QC2013 03 14.39498 08 13 27.78 -06 43 48.6 qEE070E12
K13E89H QC2013 03 14.40008 08 13 28.59 -06 43 42.6 19.3 VqEE070E12
K13E89H |C2013 03 14.99743 08 15 06.18 -06 31 57.4 19.8 VuEE070807
K13E89H |C2013 03 15.00161 08 15 06.81 -06 31 52.5 19.8 VuEE070807
K13E89H |C2013 03 15.00580 08 15 07.45 -06 31 47.5 20.3 VuEE070807
K13E89H |C2013 03 15.01001 08 15 08.11 -06 31 42.7 19.9 VuEE070807
K13E89H KC2013 03 15.13035 08 15 27.47 -06 29 48.8 20.3 RqEE070448
K13E89H KC2013 03 15.15561 08 15 31.29 -06 29 18.9 20.2 RqEE070448
K13E89H KC2013 03 15.16711608 15 32.63 -06 29 07.6 19.8 VqEE070H21
K13E89H KC2013 03 15.17291908 15 33.53 -06 29 00.9 19.6 VqEE070H21
K13E89H KC2013 03 15.17791 08 15 34.69 -06 28 52.7 19.4 RqEE070448
K13E89H KC2013 03 15.17906808 15 34.47 -06 28 53.8 20.0 VqEE070H21
K13E89H KC2013 03 15.18499508 15 35.40 -06 28 46.4 19.7 VqEE070H21
K13E89H KC2013 03 15.43578 08 16 16.05 -06 23 24.6 19.1 RoEE070474
K13E89H KC2013 03 15.43789 08 16 16.37 -06 23 22.5 19.1 RoEE070474
K13E89H KC2013 03 15.44000 08 16 16.69 -06 23 20.0 oEE070474
K13E89H KC2013 03 15.44422 08 16 17.36 -06 23 14.9 19.0 RoEE070474
K13E89H KC2013 03 15.44634 08 16 17.67 -06 23 12.7 19.0 RoEE070474
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observer B. Stecklum. 1.34-m
f/4 Schmidt + CCD.
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, H. Tanquary. 0.41-m f/11
Ritchey-Chretien + CCD.
B74 Santa Maria de Montmagastrell. Observers J. M. Bosch, R. M. Olivera.
Measurer J. M. Bosch. 0.40-m f/10 Schmidt-Cassegrain + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.40-m
f/10 Schmidt-Cassegrain + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
W85 Cerro Tololo-LCOGT A. Observers E. J. Christensen, S. M. Larson,
T. Lister. Measurer T. Lister. 1.0-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2013 EH89 Earth MOID = 0.0868 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 77.83075 (2000.0) P Q
n 0.63107228 Peri. 159.52402 +0.49274635 -0.86161765
a 1.3461186 Node 260.78105 +0.78022758 +0.49940529
e 0.4034031 Incl. 7.08341 +0.38528684 +0.09060566
P 1.56 H 20.3 G 0.15 U 8
Residuals in seconds of arc
130312 E12 0.3+ 0.2- 130313 G48 0.1- 0.4- 130314 807 0.1- 0.0
130312 E12 0.2+ 0.8+ 130313 G48 0.4+ 0.4- 130314 E12 0.2- 0.0
130312 E12 0.6+ 0.2- 130313 W85 0.1+ 0.0 130314 E12 0.0 0.0
130312 E12 0.8- 0.4- 130313 G48 0.4- 0.1- 130314 807 0.2- 0.0
130312 E12 0.1+ 0.2- 130313 H36 0.1+ 0.3- 130315 807 0.4- 0.1+
130312 E12 0.2- 0.0 130313 W85 0.1+ 0.1- 130315 807 0.4- 0.2+
130312 E12 0.3- 0.0 130313 448 0.1- 0.3+ 130315 807 0.2- 0.1+
130312 B74 0.6+ 0.2+ 130313 448 0.3- 0.1- 130315 448 0.7+ 0.6-
130312 B74 0.1+ 0.3+ 130313 448 0.4- 0.4- 130315 448 0.1+ 0.0
130312 B74 0.0 0.1+ 130313 E12 0.1+ 0.1- 130315 H21 0.0 0.1+
130312 807 0.1+ 0.0 130313 E12 0.0 0.1+ 130315 H21 0.1+ 0.0
130313 807 0.1- 0.1- 130313 033 0.3+ 0.1+ 130315 448 0.0 0.3+
130313 807 0.1+ 0.1- 130313 033 0.3+ 0.0 130315 H21 0.1- 0.0
130313 807 0.0 0.0 130313 033 0.2+ 0.3+ 130315 H21 0.2+ 0.4+
130313 807 0.0 0.1- 130313 033 0.2+ 0.2+ 130315 474 0.1+ 0.0
130313 H36 0.3- 0.2+ 130313 807 0.3+ 0.3- 130315 474 0.0 0.3-
130313 H36 0.0 0.5+ 130314 807 0.1- 0.2- 130315 474 0.0 0.2-
130313 W85 0.0 0.0 130314 807 0.1- 0.3- 130315 474 0.3+ 0.0
130313 H36 0.6+ 0.2+ 130314 807 0.0 0.6+ 130315 474 0.1+ 0.3-
Ephemeris:
2013 EH89 a,e,i = 1.35, 0.40, 7 q = 0.8031
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2013 02 13 05 44 08.7 -23 56 53 0.1505 1.0486 110.1 62.2 18.5
...
2013 02 28 07 24 31.6 -13 01 58 0.2363 1.1462 126.2 44.2 19.2
...
2013 03 08 07 54 28.5 -09 07 38 0.2947 1.1982 128.4 40.5 19.6
...
2013 03 14 08 12 22.0 -06 51 56 0.3430 1.2368 128.4 39.1 20.0
2013 03 15 08 15 05.9 -06 32 05 0.3514 1.2431 128.3 38.9 20.1
2013 03 16 08 17 46.4 -06 12 59 0.3599 1.2495 128.1 38.8 20.1
...
2013 03 22 08 32 48.8 -04 32 21 0.4127 1.2872 126.9 38.3 20.5
...
2013 03 30 08 50 55.9 -02 50 11 0.4882 1.3361 124.3 38.1 20.9
...
2013 04 14 09 21 40.1 -00 54 08 0.6441 1.4234 117.9 38.5 21.7
A. U. Tomatic (C) Copyright 2013 MPC M.P.E.C. 2013-E70
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