[Iaude] MPEC J282: 2015 KY157 [a=1.48,e=0.67,i=4.5,H=21.88]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sun May 12 10:12:43 EDT 2024
M.P.E.C. 2024-J282 Issued 2024 May 12, 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
2015 KY157
Additional Observations:
K15KF7Y 1C2024 05 10.26824414 15 03.013-25 00 53.42 20.37GVEJ282G96
K15KF7Y 1C2024 05 10.27354414 15 02.243-25 00 41.51 19.80GVEJ282G96
K15KF7Y 1C2024 05 10.27882914 15 01.472-25 00 30.53 20.57GVEJ282G96
K15KF7Y C2024 05 10.31656014 14 56.023-24 59 07.16 20.1 GVEJ282H01
K15KF7Y mC2024 05 10.32928714 14 54.350-24 58 39.10 20.55GVEJ282I52
K15KF7Y C2024 05 10.33008014 14 54.149-24 58 37.33 20.8 GVEJ282H01
K15KF7Y mC2024 05 10.33194214 14 53.990-24 58 33.60 21.78GVEJ282I52
K15KF7Y mC2024 05 10.33271414 14 53.800-24 58 31.20 21.80GVEJ282I52
K15KF7Y C2024 05 10.33821814 14 52.992-24 58 19.35 21.2 GVEJ282H01
K15KF7Y C2024 05 10.34343514 14 52.260-24 58 07.74 21.1 GVEJ282H01
K15KF7Y 7C2024 05 11.87444314 11 45.527-24 04 55.19 19.4 GVEJ282Z84
K15KF7Y 7C2024 05 11.88725414 11 43.957-24 04 30.26 19.4 GVEJ282Z84
Observer details:
G96 Mt. Lemmon Survey. Observer J. K. Hogan. Measurers T. Beuden, V. F.
Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector +
10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. Measurers
T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
prime focus + CCD.
Z84 Calar Alto-Schmidt. Observers F. Ocana, R. Kresken, M. Micheli, L.
Conversi. Measurers F. Ocana, M. Micheli. 0.8-m f/3 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240510 G96 8.95- 1.46- 240511 Z84 8.61- 1.58- E2024-EF2 -4.67 days
Orbital elements:
2015 KY157 Earth MOID = 0.0659 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 21.77243 (2000.0) P Q
n 0.54503359 Peri. 197.37821 -0.20237892 -0.97618661
a 1.4842961 Node 264.35156 +0.90756563 -0.15698650
e 0.6694073 Incl. 4.50232 +0.36792308 -0.14971618
P 1.81 H 21.88 G 0.15 U 3
Residuals in seconds of arc
150521 W84 0.2- 0.1+ 150524 W84 0.1+ 0.1- 240510 H01 0.0 0.2+
150521 W84 0.1+ 0.0 150524 W84 0.1+ 0.1- 240510 I52 0.3+ 0.3-
150521 W84 0.1- 0.1+ 150524 W84 0.1+ 0.0 240510 I52 0.8- 0.4+
150521 W84 0.0 0.0 150524 W84 0.1+ 0.1- 240510 H01 0.2- 0.2+
150521 W84 0.2- 0.0 240510 G96 0.1+ 0.2- 240510 H01 0.2- 0.3+
150522 W84 0.1- 0.0 240510 G96 0.1- 0.1+ 240511 Z84 0.2- 0.9+
150522 W84 0.1- 0.0 240510 G96 0.4- 0.5- 240511 Z84 0.1- 0.6+
150522 W84 0.0 0.0 240510 H01 0.4- 0.2+
150524 W84 0.1+ 0.0 240510 I52 0.1+ 0.0
Ephemeris:
2015 KY157 a,e,i = 1.48, 0.67, 5 q = 0.4907
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 04 12 19 38 07.2 -50 33 51 0.1379 1.0218 94.2 78.1 20.4
...
2024 04 27 15 12 15.7 -37 00 23 0.2085 1.1972 153.9 21.7 19.9
...
2024 05 05 14 29 53.8 -28 44 58 0.2822 1.2849 166.7 10.4 20.3
...
2024 05 11 14 13 29.3 -24 34 26 0.3470 1.3479 164.8 11.3 20.9
2024 05 12 14 11 30.6 -24 00 28 0.3584 1.3581 163.9 11.9 21.0
2024 05 13 14 09 42.1 -23 28 24 0.3701 1.3684 162.8 12.6 21.1
...
2024 05 19 14 01 47.4 -20 50 19 0.4433 1.4283 156.1 16.7 21.8
...
2024 05 27 13 56 50.8 -18 28 49 0.5493 1.5048 147.3 21.4 22.5
...
2024 06 11 13 57 42.5 -16 13 51 0.7698 1.6381 132.7 27.1 23.6
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-J282
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