[Iaude] MPEC B06: 2020 EC [a=2.49,e=0.69,i=19.2,H=19.43]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Jan 16 09:16:39 EST 2024
M.P.E.C. 2024-B06 Issued 2024 January 16, 14:15 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 EC
Revision to MPEC 2020-E19
Additional Observations:
K20E00C C2023 06 22.53184420 36 18.016+03 56 44.80 22.35GVEB006F51
K20E00C C2023 06 22.55315220 36 17.255+03 57 01.65 23.07GVEB006F51
K20E00C C2023 07 09.44798920 21 20.409+07 36 38.75 22.14GVEB006F52
K20E00C C2023 07 09.45953220 21 19.548+07 36 47.69 22.60GVEB006F52
K20E00C C2023 07 09.48281120 21 17.772+07 37 04.75 22.43GVEB006F52
K20E00C C2024 01 15.29510612 12 43.042-77 25 15.56 19.17oVEB006W68
K20E00C C2024 01 15.31174712 12 19.858-77 24 30.06 19.11oVEB006W68
K20E00C C2024 01 15.31586412 12 13.968-77 24 18.25 19.16oVEB006W68
K20E00C C2024 01 15.32270512 12 04.428-77 24 00.04 18.93oVEB006W68
K20E00C C2024 01 15.33290112 11 50.011-77 23 31.16 18.89oVEB006W68
K20E00C C2024 01 15.34509212 11 33.566-77 22 55.42 19.00oVEB006W68
K20E00C C2024 01 15.35248112 11 23.330-77 22 36.41 19.01oVEB006W68
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
W68 ATLAS Chile, Rio Hurtado. Observers L. Denneau, R. Siverd, J. Tonry, H.
Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
230622 F51 32+ 15+ 240115 W68 26+ 69+ E2020-E49 +1.11 days
Orbital elements:
2020 EC Earth MOID = 0.2118 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 337.63720 (2000.0) P Q
n 0.25039143 Peri. 174.04873 +0.42757884 -0.84936373
a 2.4930046 Node 250.29300 +0.81523764 +0.51021810
e 0.6931302 Incl. 19.18985 +0.39059433 -0.13512494
P 3.94 H 19.43 G 0.15 U 0
Residuals in seconds of arc
200303 F52 0.0 0.2- 200304 Z84 0.1+ 0.6+ 200315 807 0.0 0.0
200303 F52 0.1- 0.2+ 200304 Z84 (0.0 1.2-) 200315 807 0.1+ 0.1-
200303 F52 0.1- 0.1- 200305 X31 0.6+ 0.6- 200315 807 0.0 0.0
200303 F52 0.1+ 0.0 200305 X31 0.1+ 0.1+ 230622 F51 0.3- 0.1-
200304 807 0.4+ 0.3- 200305 I52 0.7- 0.1- 230622 F51 0.1- 0.1-
200304 807 0.4+ 0.2- 200305 I52 0.1+ 0.0 230709 F52 0.0 0.1-
200304 807 0.1+ 0.5- 200305 I52 0.3- 0.5+ 230709 F52 0.2+ 0.3+
200304 H21 0.1- 0.2+ 200306 691 0.3+ 0.0 230709 F52 0.1+ 0.0
200304 H21 0.2+ 0.2+ 200306 691 0.8+ 0.3+ 240115 W68 0.0 0.4+
200304 H21 0.2+ 0.1+ 200306 E10 0.4- 0.4- 240115 W68 0.0 0.2-
200304 474 0.1- 0.7+ 200306 E10 0.2+ 0.2- 240115 W68 0.5- 0.2+
200304 474 0.3- 0.6+ 200306 E10 0.1+ 0.2- 240115 W68 0.5- 0.6-
200304 474 (0.7- 2.5+) 200306 E10 0.0 0.3- 240115 W68 1.2- 0.3-
200304 474 0.5- 0.5+ 200313 807 0.1+ 0.2- 240115 W68 0.5+ 1.1+
200304 Z84 0.4+ 0.3+ 200313 807 0.1- 0.1+ 240115 W68 0.6+ 0.7-
200304 Z84 0.3- 0.2- 200313 807 0.1- 0.0
Ephemeris:
2020 EC a,e,i = 2.49, 0.69, 19 q = 0.7650
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 17 19 47 18.1 -26 00 35 0.2589 0.7707 29.9 140.4 22.8
...
2024 01 01 18 48 42.7 -64 48 23 0.2151 0.8352 41.7 128.4 21.3
...
2024 01 09 15 46 28.3 -78 45 36 0.2417 0.8928 61.3 105.0 20.0
...
2024 01 15 12 19 27.9 -77 38 48 0.2728 0.9433 73.5 90.4 19.7
2024 01 16 11 57 43.0 -76 50 23 0.2784 0.9522 75.4 88.2 19.7
2024 01 17 11 39 23.0 -75 58 23 0.2841 0.9612 77.1 86.1 19.6
...
2024 01 23 10 33 39.0 -70 29 00 0.3195 1.0173 86.7 75.0 19.6
...
2024 01 31 09 55 47.0 -63 42 36 0.3680 1.0965 97.6 62.9 19.7
...
2024 02 15 09 26 14.1 -52 25 25 0.4629 1.2515 114.3 46.0 20.0
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-B06
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