[Iaude] MPEC U278: 2020 SB [a=0.73,e=0.36,i=5.8,H=20.31]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Oct 29 10:17:09 EDT 2023
M.P.E.C. 2023-U278 Issued 2023 October 29, 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 SB
Revision to MPEC 2020-S55
Additional Observations:
K20S00B $C2023 10 16.83432018 18 47.714-14 34 45.68 20.8 GVEU278J04
K20S00B $C2023 10 16.85593918 18 53.386-14 34 40.36 20.8 GVEU278J04
K20S00B 0C2023 10 21.21815318 37 51.866-14 12 28.38 21.76GVEU278T12
Observer details:
J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, F. Ocana, M.
Micheli, L. Conversi. Measurers F. Ocana, M. Micheli, R. Kresken.
1.0-m f/4.4 reflector + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
231016 J04 60.0+ 43.2+ 231021 T12 54.6+ 42.6+ E2020-UP6 +0.03 days
Orbital elements:
2020 SB Earth MOID = 0.0893 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 103.82478 (2000.0) P Q
n 1.59455329 Peri. 249.83224 -0.99473523 +0.04411014
a 0.7256213 Node 292.60405 +0.00007711 -0.90229988
e 0.3616292 Incl. 5.75046 -0.10247838 -0.42884639
P 0.62 H 20.31 G 0.15 U 2
Residuals in seconds of arc
200916 703 0.2+ 0.0 200917 Z99 0.0 0.1- 200928 703 0.4+ 0.8+
200916 703 0.9+ 0.9- 200917 Z43 0.1- 0.2- 200928 703 0.0 0.6-
200916 703 0.6+ 0.0 200917 Z99 0.1- 0.0 200928 703 0.6+ 0.0
200916 I52 0.1+ 0.0 200917 Z99 0.4- 0.2- 200928 K87 0.2- 0.2-
200916 I52 0.0 0.2+ 200917 Z43 0.4- 0.2+ 200928 K87 0.1+ 0.2-
200916 I52 0.0 0.0 200917 203 0.1- 0.2+ 200928 K87 0.2+ 0.1-
200916 I52 0.2- 0.0 200917 203 0.1+ 0.2+ 200930 I52 0.3- 0.4+
200916 T05 0.1+ 0.4- 200917 Z80 0.5- 0.6- 200930 I52 0.3- 0.3+
200916 T05 0.3- 0.3+ 200917 J69 0.5+ 0.1+ 200930 I52 0.1+ 0.4-
200916 T05 0.2- 0.1+ 200917 Z80 0.5- 0.8- 200930 I52 0.2+ 0.1-
200916 T05 0.1+ 0.1+ 200917 J69 0.2+ 0.0 201004 I52 0.2- 0.2+
200916 204 0.1- 0.2+ 200917 J69 0.6- 0.6+ 201004 I52 0.1+ 0.1-
200916 204 0.2+ 0.0 200917 Z80 0.2- 0.6+ 201004 I52 0.2+ 0.0
200916 C95 0.2+ 0.2+ 200917 J69 0.0 0.2- 201004 I52 0.2- 0.4-
200916 204 0.1- 0.0 200917 Z80 0.3+ 0.5+ 201005 I52 0.1- 0.0
200916 C95 0.2- 0.1- 200917 Z80 0.0 0.1+ 201005 I52 0.0 0.2+
200916 595 0.0 0.0 200918 H21 0.2- 0.1+ 201005 I52 0.1- 0.8+
200916 C95 0.2+ 0.4- 200918 H36 0.2+ 0.8- 201005 I52 (0.1- 1.3+)
200916 104 0.3- 0.5- 200918 H21 0.1- 0.2- 201006 G96 0.0 0.1+
200916 958 (0.5+ 0.8+) 200918 H21 0.2- 0.2+ 201006 G96 0.0 0.1+
200916 958 0.2+ 0.3+ 200918 H36 0.1+ 0.2- 201006 G96 0.1+ 0.0
200916 958 0.2+ 0.1- 200918 H21 0.0 0.1+ 201006 I52 0.1+ 0.2+
200916 104 0.3- 0.6- 200918 H21 0.1- 0.2+ 201006 I52 0.2+ 0.1-
200916 595 0.3+ 0.0 200918 H36 0.0 0.2- 201006 I52 0.1- 0.4-
200916 104 0.1- 0.5- 200918 711 0.1+ 0.5- 201006 G96 0.1+ 0.1+
200916 K38 0.3+ 0.1+ 200918 711 0.0 0.2- 201006 I52 0.2- 0.1-
200916 L04 0.4+ 0.5- 200918 711 0.8+ 0.5+ 201007 703 0.0 0.0
200916 K38 0.0 0.1- 200918 A17 0.3+ 0.1- 201007 703 0.8- 0.2+
200916 I93 0.4+ 0.3+ 200918 A17 0.1- 0.1+ 201007 703 0.3- 0.7-
200916 L04 0.2+ 0.1- 200918 A17 0.4- 0.2+ 201007 703 0.3- 0.0
200916 K38 0.1- 0.2+ 200919 703 0.5+ 0.3+ 201007 T08 0.2- 0.0
200916 I93 0.3+ 0.0 200919 703 0.5- 0.8+ 201007 T08 0.1- 0.1+
200916 L04 0.6- 0.2+ 200919 703 0.6- 1.1+ 201007 T08 0.0 0.1+
200916 K38 0.2- 0.0 200919 703 1.4- 0.6+ 201007 T08 0.2+ 0.1-
200916 I93 0.2+ 0.2+ 200920 K87 0.2+ 0.3- 201009 I52 0.2- 0.0
200916 K63 0.1+ 0.1+ 200920 K87 0.2+ 0.3- 201009 I52 0.1- 0.0
200916 K63 0.2+ 0.2- 200920 K87 0.3+ 0.0 201009 I52 0.0 0.0
200917 H36 0.5+ 0.1+ 200921 W33 0.1- 0.4+ 201009 I52 0.1- 0.3-
200917 H36 0.5+ 0.2- 200921 W33 0.1+ 0.1+ 201009 T05 0.0 0.1+
200917 H36 0.6+ 0.2- 200921 W33 0.1+ 0.2+ 201009 T05 (1.2- 0.8-)
200917 711 0.0 0.4- 200921 K87 0.0 0.2+ 201009 T05 0.6- 0.5-
200917 711 0.2- 0.6- 200921 K87 0.2+ 0.3- 201009 T05 0.0 0.7+
200917 711 0.2- 0.2- 200921 K87 0.1- 0.3- 201010 K87 0.0 0.2-
200917 I52 0.0 0.1+ 200922 703 0.0 0.1+ 201010 K87 0.2+ 0.1+
200917 I52 0.1- 0.2+ 200922 703 0.8+ 0.1- 201010 K87 0.0 0.5+
200917 I52 0.3+ 0.2+ 200922 703 0.2- 0.1- 201011 T08 0.1+ 0.1-
200917 I52 0.1- 0.2- 200922 I52 0.0 0.1+ 201011 T08 0.3- 0.1-
200917 L01 0.1+ 0.1+ 200922 I52 0.2+ 0.0 201011 T08 0.1+ 0.0
200917 L01 0.0 0.0 200922 I52 0.4+ 0.2+ 201011 T08 0.2+ 0.1+
200917 L01 0.1+ 0.0 200922 703 0.3- 0.2- 201013 G96 0.0 0.0
200917 L01 0.0 0.0 200923 K87 0.3+ 0.1+ 201013 G96 0.0 0.0
200917 L01 0.1+ 0.0 200923 K87 0.3+ 0.2- 201013 G96 0.1+ 0.0
200917 A17 0.2- 0.2- 200923 K87 0.1+ 0.2+ 201013 G96 0.5+ 0.1+
200917 K87 0.4+ 0.8+ 200924 G96 0.0 0.2+ 201017 T05 0.7+ 0.4-
200917 A17 0.0 0.0 200924 G96 0.1- 0.1- 201017 T05 0.2- 0.3-
200917 K87 0.0 0.3+ 200924 G96 0.3+ 0.1- 201017 T05 0.1+ 0.3+
200917 K62 0.1+ 0.1+ 200924 G96 0.1+ 0.0 201017 T05 0.5- 0.5-
200917 K87 0.2+ 0.1+ 200924 I52 0.1+ 0.0 201018 I52 0.3- 0.2+
200917 K62 0.1- 0.1- 200924 I52 0.0 0.1+ 201018 I52 0.1+ 0.1-
200917 K87 0.1+ 0.4- 200924 I52 0.3+ 0.2+ 201018 I52 0.0 0.2+
200917 A17 0.0 0.1- 200924 I52 0.1- 0.1- 201019 D29 0.7- 0.7+
200917 K62 0.3+ 0.7- 200924 G34 0.1- 0.1- 201019 D29 0.5- 0.1-
200917 K87 0.4+ 0.3- 200924 G34 0.4+ 0.1+ 201028 I52 0.2- 0.4-
200917 K62 0.0 0.3+ 200924 G34 0.1+ 0.2+ 201028 I52 (1.0- 0.4+)
200917 K87 0.0 0.3+ 200924 G34 0.1+ 0.3+ 201028 I52 0.1- 0.1+
200917 J95 0.3- 0.2+ 200924 G34 0.1+ 0.5- 201028 I52 0.3+ 0.0
200917 J95 0.3- 0.0 200924 G34 0.7+ 0.3- 231016 J04 0.3- 0.2+
200917 J95 0.2- 0.2+ 200925 703 0.1+ 0.1+ 231016 J04 (0.8- 0.6-)
200917 J95 0.1- 0.1- 200925 703 0.1- 0.2- 231021 T12 0.1+ 0.0
200917 Z99 0.2- 0.2+ 200925 703 0.1- 0.1+
200917 Z99 0.0 0.0 200925 703 0.7+ 0.1-
Ephemeris:
2020 SB a,e,i = 0.73, 0.36, 6 q = 0.4632
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 29 16 48 10.1 -14 59 25 0.5004 0.9326 67.4 82.8 21.6
...
2023 10 14 18 05 50.7 -14 46 23 0.5383 0.9726 71.6 76.7 21.6
...
2023 10 22 18 41 09.2 -14 07 56 0.5638 0.9838 72.3 74.6 21.6
...
2023 10 28 19 05 14.8 -13 30 21 0.5832 0.9876 72.3 73.5 21.7
2023 10 29 19 09 05.1 -13 23 32 0.5864 0.9879 72.3 73.3 21.7
2023 10 30 19 12 52.4 -13 16 35 0.5896 0.9880 72.2 73.2 21.7
...
2023 11 05 19 34 40.9 -12 32 32 0.6080 0.9865 71.6 72.6 21.7
...
2023 11 13 20 01 36.2 -11 28 53 0.6298 0.9784 70.4 72.3 21.8
...
2023 11 28 20 46 48.4 -09 21 32 0.6572 0.9443 66.7 73.6 21.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-U278
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