MPEC 2019-U124 : 2009 HM82
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M.P.E.C. 2019-U124 Issued 2019 October 24, 02:52 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
2009 HM82
Revision to MPEC 2009-J8
Additional Observations:
K09H82M C2019 04 09.24463710 11 06.425-27 02 07.54 21.6 GVEU124F51
K09H82M C2019 04 09.25495610 11 05.623-27 01 36.93 22.2 GVEU124F51
K09H82M C2019 04 09.26529310 11 04.790-27 01 04.90 22.5 GVEU124F51
K09H82M C2019 04 09.27564710 11 03.887-27 00 34.06 22.5 GVEU124F51
K09H82M C2019 05 01.26451910 03 11.237-04 58 00.44 22.5 GVEU124F51
K09H82M C2019 05 01.29040310 03 11.678-04 56 20.41 21.6 GVEU124F51
K09H82M C2019 10 23.41935 03 53 05.01 +25 19 04.7 20.3 GVEU124G96
K09H82M C2019 10 23.42599 03 53 03.75 +25 18 28.9 21.8 GVEU124G96
K09H82M C2019 10 23.43112 03 53 02.79 +25 18 01.3 VEU124G96
K09H82M C2019 10 23.43624 03 53 01.81 +25 17 33.9 21.1 GVEU124G96
K09H82M C2019 10 23.49432 03 52 50.80 +25 12 21.1 20.8 GVEU124I52
K09H82M C2019 10 23.49683 03 52 50.26 +25 12 07.3 20.5 GVEU124I52
K09H82M C2019 10 23.49933 03 52 49.89 +25 11 54.9 20.4 GVEU124I52
K09H82M C2019 10 23.50183 03 52 49.40 +25 11 40.8 21.0 GVEU124I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, E.
Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski, K. W.
Wierzchos. 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
190409 F51 131- 14- 191023 I52 46- 18- MPO158648 -49.0 days
Orbital elements:
2009 HM82 Earth MOID = 0.0697 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 299.15030 (2000.0) P Q
n 0.68632879 Peri. 80.06237 +0.43307134 +0.87538859
a 1.2728618 Node 218.04596 -0.90120827 +0.41615500
e 0.3025710 Incl. 20.39891 -0.01651865 +0.24598745
P 1.44 H 22.6 G 0.15 U 2
Residuals in seconds of arc
090430 704 2.1+ 0.2- 090503 474 0.2- 0.1- 090507 198 0.0 0.4+
090430 704 0.4+ 0.1- 090503 474 0.1- 0.2- 090510 H55 0.6- 0.9+
090430 704 0.6+ 0.1+ 090503 474 0.1- 0.2+ 090510 H55 0.2- 0.4+
090430 704 0.9+ 0.0 090503 474 0.0 0.2- 090510 H55 0.1- 0.2+
090430 704 0.4+ 0.3+ 090503 474 0.2- 0.6- 090510 H55 0.2- 0.0
090501 704 0.5+ 0.9+ 090503 474 0.1+ 0.4+ 090512 H55 0.1+ 0.7+
090501 704 1.0+ 0.0 090503 160 0.1- 0.1- 090512 H55 0.2- 0.4+
090501 704 0.7+ 0.9- 090503 160 0.4- 0.9- 090512 H55 0.1- 0.1+
090501 704 0.3+ 1.0+ 090503 J95 0.1- 0.1- 090512 H55 0.2+ 0.6+
090501 704 0.3+ 0.7- 090503 J95 0.2- 0.1- 090519 H55 1.1+ 1.6-
090501 704 1.0+ 1.5+ 090503 J95 0.4- 0.3- 090519 H55 0.1+ 0.3+
090501 704 0.4+ 0.5- 090504 J95 0.2- 0.1+ 090519 H55 0.3- 0.4+
090501 704 1.5+ 0.1- 090504 J95 0.2- 0.2- 190409 F51 0.2- 0.3+
090501 204 0.4- 0.3+ 090504 H26 1.4- 2.8- 190409 F51 0.3+ 0.3-
090501 204 0.5- 0.2- 090504 H26 0.3+ 1.0+ 190409 F51 0.5+ 0.4+
090502 J95 0.2+ 0.2- 090504 H26 0.4- 0.7+ 190409 F51 0.2- 0.2-
090502 J95 0.1+ 0.1- 090504 H26 0.2+ 1.5+ 190501 F51 0.0 0.2+
090502 J95 0.0 0.0 090504 703 0.7- 0.3- 190501 F51 0.2+ 0.1-
090502 B03 0.1+ 0.6+ 090504 703 0.4+ 0.7- 191023 G96 0.5- 0.4+
090502 B03 1.0- 0.2+ 090504 703 0.5+ 0.9+ 191023 G96 0.3- 0.2+
090502 B03 0.0 0.4- 090504 703 0.4+ 0.3+ 191023 G96 0.0 0.1+
090502 B03 0.4+ 0.2- 090505 160 0.1+ 0.2- 191023 G96 0.0 0.2+
090503 474 0.0 0.0 090505 160 0.3+ 0.5- 191023 I52 0.2+ 0.1-
090503 474 0.2+ 0.3+ 090505 160 0.2- 0.0 191023 I52 0.7- 0.4-
090503 474 0.1+ 0.6+ 090507 198 0.8- 0.9+ 191023 I52 0.6+ 0.7+
090503 474 0.1- 0.2+ 090507 198 0.5- 0.6+ 191023 I52 0.4+ 0.1+
090503 474 0.1+ 0.4+ 090507 198 0.4- 0.6+
Ephemeris:
2009 HM82 a,e,i = 1.27, 0.30, 20 q = 0.8877
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 24 05 25 08.1 +61 23 41 0.2746 1.0607 94.5 70.6 22.4
...
2019 10 09 04 37 46.0 +45 44 41 0.2409 1.1320 117.9 51.3 21.7
...
2019 10 17 04 12 37.7 +34 49 15 0.2333 1.1706 133.9 37.9 21.3
...
2019 10 23 03 54 20.3 +25 56 34 0.2362 1.1996 146.7 27.1 21.1
2019 10 24 03 51 23.1 +24 27 38 0.2375 1.2044 148.8 25.3 21.0
2019 10 25 03 48 28.1 +22 59 15 0.2392 1.2092 150.9 23.6 21.0
...
2019 10 31 03 31 54.9 +14 33 17 0.2544 1.2377 162.2 14.2 20.9
...
2019 11 08 03 13 11.1 +05 11 06 0.2895 1.2751 167.5 9.7 21.1
...
2019 11 23 02 50 14.1 -05 23 53 0.3917 1.3420 150.3 21.4 22.2
2009 HM82 a,e,i = 1.27, 0.30, 20 q = 0.8877
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-U124
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