MPEC 2020-Y140 : 2020 YO4
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2020-Y139
Read MPEC 2020-Y141
M.P.E.C. 2020-Y140 Issued 2020 December 27, 02:31 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 YO4
Observations:
K20Y04O C2020 12 23.42089 08 14 16.49 +14 36 22.5 21.5 GVEY140G96
K20Y04O C2020 12 23.42599 08 14 17.69 +14 35 58.3 VEY140G96
K20Y04O C2020 12 23.43111 08 14 19.02 +14 35 32.5 VEY140G96
K20Y04O* C2020 12 24.59679708 19 53.229+12 53 48.31 21.53wUEY140F51
K20Y04O C2020 12 24.60738708 19 56.199+12 52 48.26 21.32wUEY140F51
K20Y04O C2020 12 24.62859308 20 02.199+12 50 47.77 21.30wUEY140F51
K20Y04O |C2020 12 25.27783 08 23 28.35 +11 48 29.2 21.2 GVEY140807
K20Y04O |C2020 12 25.28220 08 23 29.66 +11 48 02.6 21.4 GVEY140807
K20Y04O |C2020 12 25.28677 08 23 31.03 +11 47 34.9 21.4 GVEY140807
K20Y04O KC2020 12 26.44193 08 30 05.16 +09 40 36.8 21.4 RoEY140291
K20Y04O KC2020 12 26.44683 08 30 06.80 +09 40 02.3 21.3 RoEY140291
K20Y04O KC2020 12 26.45176 08 30 08.48 +09 39 27.4 21.2 RoEY140291
K20Y04O bC2020 12 27.01519208 33 40.96 +08 30 57.6 21.6 GVEY140L01
K20Y04O bC2020 12 27.01932708 33 42.44 +08 30 27.1 21.4 GVEY140L01
K20Y04O bC2020 12 27.02063008 33 42.89 +08 30 16.9 21.6 GVEY140L01
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + 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.
G96 Mt. Lemmon Survey. Observer D. Rankin. Measurers D. Rankin, B. Gray, F.
C. Shelly. 1.5-m reflector + 10K CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2020 YO4 Earth MOID = 0.0418 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 325.58390 (2000.0) P Q
n 0.50620376 Peri. 268.15550 -0.99214293 -0.02984044
a 1.5592622 Node 270.12085 +0.07591567 -0.91551088
e 0.4954851 Incl. 6.97862 -0.09944452 -0.40118496
P 1.95 H 24.5 G 0.15 U 8
Residuals in seconds of arc
201223 G96 0.3+ 0.7- 201224 F51 0.4+ 0.1- 201226 291 0.3+ 0.1-
201223 G96 0.8- 0.2+ 201225 807 0.1- 0.2+ 201226 291 0.6+ 0.3-
201223 G96 0.2- 0.4- 201225 807 0.0 0.2+ 201227 L01 0.2- 0.3-
201224 F51 0.2- 0.2+ 201225 807 0.2+ 0.3+ 201227 L01 0.4- 0.3+
201224 F51 0.1- 0.1+ 201226 291 0.5+ 0.0 201227 L01 0.8- 0.1-
Ephemeris:
2020 YO4 a,e,i = 1.56, 0.50, 7 q = 0.7867
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 27 07 09 58.9 +28 05 03 0.3977 1.3136 139.1 29.4 24.4
...
2020 12 12 07 38 21.5 +23 50 20 0.2428 1.1968 147.7 26.1 23.0
...
2020 12 20 08 00 40.1 +18 30 00 0.1701 1.1339 149.7 25.9 22.1
...
2020 12 26 08 27 29.4 +10 31 23 0.1215 1.0872 146.8 29.7 21.4
2020 12 27 08 33 34.0 +08 33 44 0.1141 1.0794 145.6 31.0 21.3
2020 12 28 08 40 18.9 +06 20 22 0.1070 1.0717 144.0 32.7 21.2
...
2021 01 03 09 43 38.4 -14 50 56 0.07321 1.0260 124.0 52.6 20.8
...
2021 01 11 13 13 15.9 -51 03 20 0.07519 0.9675 75.6 100.1 22.4
...
2021 01 26 17 33 13.4 -47 19 40 0.1776 0.8715 46.4 125.2 25.7
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Y140
Read MPEC 2020-Y139
Read MPEC 2020-Y141
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)