[Iaude] MPEC P46: 2020 HJ10 [a=1.18,e=0.20,i=33.7,H=21.17]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sat Aug 3 10:12:24 EDT 2024
M.P.E.C. 2024-P46 Issued 2024 August 3, 14:11 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 HJ10
Revision to MPEC 2020-J33
Additional Observations:
K20H10J 0C2024 07 30.50358721 58 44.004+59 19 26.00 22.71GVEP046T14
K20H10J 0C2024 07 30.51988021 58 42.720+59 19 35.25 22.88GVEP046T14
K20H10J 0C2024 07 31.48411821 57 33.437+59 28 31.40 23.00GVEP046T14
K20H10J 0C2024 07 31.48579321 57 33.300+59 28 32.27 22.84GVEP046T14
K20H10J 0C2024 07 31.48746521 57 33.161+59 28 33.18 22.83GVEP046T14
K20H10J 0C2024 07 31.48962421 57 32.979+59 28 34.32 22.91GVEP046T14
K20H10J 0C2024 07 31.49130221 57 32.847+59 28 35.26 22.93GVEP046T14
K20H10J 0C2024 07 31.49297821 57 32.707+59 28 36.14 22.98GVEP046T14
K20H10J 0C2024 07 31.49507321 57 32.533+59 28 37.26 22.95GVEP046T14
K20H10J 0C2024 07 31.49674621 57 32.390+59 28 38.16 22.85GVEP046T14
K20H10J 0C2024 07 31.49842521 57 32.260+59 28 39.04 23.00GVEP046T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer J. Silva. Measurer D.
J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240730 T14 0.22- 0.02- 240731 T14 0.23- 0.02- MPO554970 -0.21 days
Orbital elements:
2020 HJ10 Earth MOID = 0.0960 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5 Veres
M 262.24196 (2000.0) P Q
n 0.76784971 Peri. 278.67773 -0.48943389 -0.83892547
a 1.1810961 Node 205.42259 +0.84030700 -0.52667885
e 0.1969032 Incl. 33.67444 -0.23310646 -0.13716212
P 1.28 H 21.17 G 0.15 U 2
Residuals in seconds of arc
200429 G96 0.0 0.0 200504 G96 0.1+ 0.3+ 200601 H21 0.4+ 0.4+
200429 G96 0.4+ 0.4- 200504 G96 0.3+ 0.7- 200601 H21 0.4+ 0.5+
200429 G96 0.2+ 0.0 200504 G96 0.3- 0.1+ 200601 H21 0.4+ 0.0
200429 G96 0.1+ 0.2+ 200513 V06 0.3+ 0.3+ 200601 H21 0.9+ 0.1+
200429 G96 0.4- 0.3- 200513 V06 0.3+ 0.1- 240730 T14 0.0 0.0
200429 G96 0.2+ 0.2+ 200513 V06 0.5- 0.4+ 240730 T14 0.0 0.0
200429 G96 0.1- 0.3+ 200524 H21 (1.2+ 1.6+) 240731 T14 0.0 0.0
200501 G96 0.2- 0.1- 200524 H21 (1.3+ 1.7+) 240731 T14 0.0 0.0
200501 G96 0.2- 0.3+ 200524 H21 0.4+ 0.7+ 240731 T14 0.0 0.0
200501 G96 0.1+ 0.5- 200526 H21 0.3- 0.3- 240731 T14 0.0 0.0
200501 G96 0.0 0.1+ 200526 H21 0.2- 0.4- 240731 T14 0.0 0.0
200502 I52 0.4- 0.1- 200526 H21 0.4- 0.4- 240731 T14 0.0 0.0
200502 I52 0.2+ 0.3- 200530 H21 0.2+ 0.2- 240731 T14 0.0 0.0
200503 G96 0.0 0.2+ 200530 H21 0.2+ 0.0 240731 T14 0.0 0.0
200503 G96 0.8- 0.5+ 200531 H21 0.8- 0.4- 240731 T14 0.0 0.0
200503 G96 0.4+ 0.1+ 200531 H21 0.5- 0.7-
200504 G96 0.8+ 1.2- 200531 H21 0.7- 0.7-
Ephemeris:
2020 HJ10 a,e,i = 1.18, 0.20, 34 q = 0.9485
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 07 04 22 09 34.5 +52 14 34 0.9214 1.4136 93.5 45.9 23.5
...
2024 07 19 22 08 14.6 +56 52 22 0.8555 1.4094 97.3 45.7 23.3
...
2024 07 27 22 02 28.5 +58 42 02 0.8159 1.4045 99.6 45.5 23.2
...
2024 08 02 21 55 37.5 +59 41 13 0.7843 1.3996 101.4 45.3 23.1
2024 08 03 21 54 16.7 +59 48 49 0.7789 1.3987 101.7 45.3 23.1
2024 08 04 21 52 52.5 +59 55 44 0.7735 1.3977 102.0 45.2 23.1
...
2024 08 10 21 43 23.7 +60 21 15 0.7400 1.3915 103.9 45.0 23.0
...
2024 08 18 21 28 41.7 +60 06 52 0.6940 1.3816 106.6 44.6 22.8
...
2024 09 02 21 01 06.8 +56 35 16 0.6064 1.3583 112.0 43.5 22.4
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-P46
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