MPEC 2020-D146 : 2020 DO4
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Read MPEC 2020-D147
M.P.E.C. 2020-D146 Issued 2020 February 29, 19:03 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 DO4
Observations:
K20D04O* C2020 02 27.36031 11 22 44.24 -03 38 05.0 20.6 GVED146G96
K20D04O C2020 02 27.36543 11 22 39.70 -03 37 19.7 20.9 GVED146G96
K20D04O C2020 02 27.37057 11 22 35.09 -03 36 33.9 20.6 GVED146G96
K20D04O C2020 02 27.37570 11 22 30.52 -03 35 47.8 20.9 GVED146G96
K20D04O C2020 02 27.49078 11 20 49.97 -03 18 43.3 20.7 GVED146I52
K20D04O C2020 02 27.49750 11 20 44.40 -03 17 42.9 20.3 GVED146I52
K20D04O C2020 02 27.49946 11 20 42.75 -03 17 25.0 21.0 GVED146I52
K20D04O C2020 02 27.50142 11 20 41.10 -03 17 08.4 VED146I52
K20D04O KC2020 02 28.00526511 14 39.608-02 05 11.66 20.5 GVED146J04
K20D04O KC2020 02 28.00798811 14 37.376-02 04 48.75 20.9 GVED146J04
K20D04O KC2020 02 28.01070611 14 35.125-02 04 26.78 20.9 GVED146J04
K20D04O |C2020 02 28.19393 11 12 18.81 -01 35 03.1 20.3 VuED146807
K20D04O |C2020 02 28.19823 11 12 15.32 -01 34 28.5 20.6 VuED146807
K20D04O |C2020 02 28.20253 11 12 11.82 -01 33 53.8 20.7 VuED146807
K20D04O KC2020 02 28.26001311 11 29.70 -01 31 12.8 20.7 VuED146H21
K20D04O KC2020 02 28.26437411 11 26.22 -01 30 37.8 20.8 VuED146H21
K20D04O KC2020 02 28.26829611 11 23.08 -01 30 06.2 20.6 VuED146H21
K20D04O KC2020 02 28.98049811 03 18.78 +00 01 04.0 20.6 GVED146L01
K20D04O KC2020 02 28.98368911 03 16.47 +00 01 27.9 20.7 GVED146L01
K20D04O KC2020 02 28.98685411 03 14.15 +00 01 50.7 20.6 GVED146L01
K20D04O KC2020 02 28.98736 11 03 14.44 +00 01 59.9 20.6 GVED146K63
K20D04O KC2020 02 28.99013 11 03 12.46 +00 02 20.8 20.7 GVED146K63
K20D04O |C2020 02 29.25445 11 00 19.94 +00 39 17.0 20.7 VuED146807
K20D04O C2020 02 29.25714 11 00 27.80 +00 35 15.0 20.6 GVED146I52
K20D04O C2020 02 29.25839 11 00 26.86 +00 35 23.7 20.6 GVED146I52
K20D04O |C2020 02 29.25918 11 00 16.55 +00 39 50.3 20.5 VuED146807
K20D04O C2020 02 29.25965 11 00 25.99 +00 35 33.0 20.6 GVED146I52
K20D04O C2020 02 29.26090 11 00 25.10 +00 35 42.6 20.9 GVED146I52
K20D04O |C2020 02 29.26395 11 00 13.16 +00 40 24.3 20.6 VuED146807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer T. A. Pruyne. Measurers E. J. Christensen, G.
A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman,
F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers M.
Micheli, D. Koschny, L. Conversi, M. Busch, A. Knofel, E. Schwab. 1.0-m
f/4.4 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.4-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Valentine. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2020 DO4 Earth MOID = 0.0068 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 220.31032 (2000.0) P Q
n 1.13046580 Peri. 215.25744 +0.90898573 -0.41681176
a 0.9126364 Node 169.37422 +0.38676436 +0.84018293
e 0.2089934 Incl. 1.11595 +0.15542930 +0.34693025
P 0.87 H 27.5 G 0.15 U 7
Residuals in seconds of arc
200227 G96 0.3- 0.5+ 200228 J04 0.3+ 0.2- 200228 K63 0.6- 1.4+
200227 G96 0.4+ 0.0 200228 807 0.5- 0.1- 200228 K63 (0.1- 1.9+)
200227 G96 0.3+ 0.2- 200228 807 0.3- 0.3- 200229 807 0.1- 0.2+
200227 G96 0.6+ 0.0 200228 807 0.3- 0.3- 200229 I52 0.3+ 0.5-
200227 I52 1.3- 0.7- 200228 H21 0.4+ 0.2+ 200229 I52 0.5- 0.7-
200227 I52 0.0 0.0 200228 H21 0.5+ 0.1+ 200229 807 0.0 0.1-
200227 I52 0.1- 0.6+ 200228 H21 0.3+ 0.2+ 200229 I52 0.1- 0.4-
200227 I52 0.2- 0.2- 200228 L01 0.3+ 0.0 200229 I52 0.2- 0.3+
200228 J04 0.1+ 0.1- 200228 L01 0.4+ 0.3+ 200229 807 0.3+ 0.0
200228 J04 0.3+ 0.3+ 200228 L01 0.0 0.2-
Ephemeris:
2020 DO4 a,e,i = 0.91, 0.21, 1 q = 0.7219
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 01 30 19 13 10.9 -32 14 58 0.06523 0.9265 25.5 152.8 30.4
...
2020 02 14 16 30 41.5 -36 33 58 0.02983 0.9792 73.4 104.9 23.7
...
2020 02 22 13 02 02.1 -20 20 30 0.02423 1.0045 129.2 49.7 21.3
...
2020 02 28 11 14 37.0 -02 03 45 0.03230 1.0218 166.6 13.0 20.9
2020 02 29 11 03 06.4 +00 06 23 0.03438 1.0246 170.9 8.8 20.8
2020 03 01 10 52 56.5 +02 01 35 0.03660 1.0273 174.3 5.5 20.8
...
2020 03 07 10 12 01.9 +09 40 18 0.05197 1.0426 164.8 14.4 22.0
...
2020 03 15 09 46 58.3 +14 17 01 0.07572 1.0604 149.5 28.4 23.3
...
2020 03 30 09 36 00.9 +16 56 36 0.1258 1.0858 131.2 43.8 24.9
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-D146
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