[Iaude] MPEC X117: 2020 XH3 [a=1.76,e=0.31,i=24.8,H=20.5]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Dec 11 14:00:07 EST 2020
M.P.E.C. 2020-X117 Issued 2020 December 11, 18:58 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 XH3
Observations:
K20X03H* C2020 12 09.32346101 51 35.540+32 46 37.52 20.46wUEX117F51
K20X03H C2020 12 09.33550501 51 37.863+32 45 49.69 20.35wUEX117F51
K20X03H C2020 12 09.34756101 51 40.184+32 45 01.89 20.40wUEX117F51
K20X03H C2020 12 09.35969601 51 42.523+32 44 13.56 20.35wUEX117F51
K20X03H KC2020 12 10.03072701 53 59.12 +32 00 10.1 uEX117H21
K20X03H KC2020 12 10.03364001 53 59.67 +31 59 58.7 uEX117H21
K20X03H KC2020 12 10.03800801 54 00.51 +31 59 41.9 20.4 VuEX117H21
K20X03H KC2020 12 10.04256901 54 01.41 +31 59 24.1 20.3 VuEX117H21
K20X03H KC2020 12 10.06899 01 54 06.70 +31 57 41.1 20.5 VEX117734
K20X03H KC2020 12 10.07438 01 54 07.70 +31 57 19.7 20.6 VEX117734
K20X03H KC2020 12 10.08517 01 54 09.75 +31 56 38.1 20.4 VEX117734
K20X03H 1C2020 12 10.11378 01 54 15.75 +31 54 41.8 LEX117658
K20X03H 1C2020 12 10.11572 01 54 16.13 +31 54 34.4 LEX117658
K20X03H 1C2020 12 10.11765 01 54 16.49 +31 54 27.1 LEX117658
K20X03H 1C2020 12 10.11958 01 54 16.87 +31 54 19.3 LEX117658
K20X03H 1C2020 12 10.12150 01 54 17.22 +31 54 11.9 LEX117658
K20X03H KC2020 12 10.12968301 54 18.52 +31 53 46.2 20.5 VqEX117858
K20X03H KC2020 12 10.13528701 54 19.60 +31 53 24.6 20.3 VqEX117858
K20X03H KC2020 12 10.14085601 54 20.66 +31 53 02.9 20.3 VqEX117858
K20X03H C2020 12 10.37183901 55 05.787+31 38 07.80 20.41wUEX117F51
K20X03H C2020 12 10.38349801 55 07.992+31 37 22.13 20.39wUEX117F51
K20X03H C2020 12 10.39512501 55 10.204+31 36 36.47 20.40wUEX117F51
K20X03H C2020 12 10.40683901 55 12.438+31 35 50.38 20.52wUEX117F51
K20X03H KC2020 12 10.96729201 57 03.34 +30 59 34.0 20.2 GVEX117L01
K20X03H KC2020 12 10.96886901 57 03.65 +30 59 27.8 20.2 GVEX117L01
K20X03H KC2020 12 10.97044001 57 03.93 +30 59 21.6 20.3 GVEX117L01
K20X03H KC2020 12 10.97279401 57 04.38 +30 59 12.5 20.2 GVEX117L01
K20X03H 1C2020 12 11.74312 01 59 36.26 +30 10 10.2 20.6 VVEX117033
K20X03H 1C2020 12 11.74462 01 59 36.47 +30 10 05.5 21.2 VVEX117033
K20X03H KC2020 12 11.76398701 59 40.50 +30 08 55.0 19.7 GVEX117B49
K20X03H KC2020 12 11.77245401 59 42.04 +30 08 22.8 19.8 GVEX117B49
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. Measurers D.
D. Balam, D. W. E. Green, C. E. Spratt. 1.82-m reflector + CCD.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer G. Hug. 0.7-m reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 reflector +
CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2020 XH3 Earth MOID = 0.3180 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 22.84407 (2000.0) P Q
n 0.42174758 Peri. 128.78159 +0.80772096 -0.42074141
a 1.7610336 Node 259.75053 +0.31984815 +0.90117754
e 0.3059633 Incl. 24.81506 +0.49526156 +0.10419078
P 2.34 H 20.5 G 0.15 U 7
Residuals in seconds of arc
201209 F51 0.0 0.0 201210 658 0.1- 0.1- 201210 F51 0.0 0.1-
201209 F51 0.1+ 0.0 201210 658 0.1- 0.0 201210 L01 0.1+ 0.2+
201209 F51 0.1+ 0.1+ 201210 658 0.2- 0.2+ 201210 L01 0.2+ 0.1+
201209 F51 0.0 0.0 201210 658 0.2- 0.1- 201210 L01 0.0 0.0
201210 H21 0.1- 0.1+ 201210 658 0.4- 0.1- 201210 L01 0.1- 0.1+
201210 H21 0.3- 0.0 201210 858 0.2- 0.1- 201211 033 0.1+ 0.4-
201210 H21 0.2- 0.2+ 201210 858 0.0 0.2+ 201211 033 0.9- 0.5+
201210 H21 0.1+ 0.1+ 201210 858 0.0 0.1+ 201211 B49 0.8+ 0.2+
201210 734 0.5+ 0.1- 201210 F51 0.0 0.1- 201211 B49 0.3+ 0.1-
201210 734 0.0 0.5- 201210 F51 0.0 0.0
201210 734 0.2- 0.2- 201210 F51 0.0 0.0
Ephemeris:
2020 XH3 a,e,i = 1.76, 0.31, 25 q = 1.2222
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 11 23 41 25.9 +61 53 36 0.3701 1.2321 123.2 42.3 20.4
...
2020 11 26 00 59 21.7 +47 58 24 0.3500 1.2546 133.7 34.6 20.1
...
2020 12 04 01 32 31.7 +38 47 50 0.3603 1.2714 136.5 32.2 20.2
...
2020 12 10 01 53 52.2 +32 02 17 0.3793 1.2860 136.3 31.9 20.3
2020 12 11 01 57 10.6 +30 57 40 0.3834 1.2886 136.1 32.0 20.3
2020 12 12 02 00 25.2 +29 54 11 0.3878 1.2912 135.8 32.1 20.4
...
2020 12 18 02 18 40.9 +24 01 15 0.4193 1.3079 133.4 33.2 20.6
...
2020 12 26 02 40 27.9 +17 35 29 0.4736 1.3321 128.8 35.1 20.9
...
2021 01 10 03 16 08.3 +09 37 39 0.6045 1.3831 119.2 38.4 21.6
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X117
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