MPEC 2017-K46 : 2017 KZ4
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M.P.E.C. 2017-K46 Issued 2017 May 24, 15:35 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
2017 KZ4
Observations:
K17K04Z* C2017 05 22.47869 16 23 11.392-05 55 28.30 20.9 wLEK046F51
K17K04Z C2017 05 22.49143 16 23 08.127-05 55 10.83 20.9 wLEK046F51
K17K04Z C2017 05 22.50412 16 23 04.891-05 54 53.63 20.9 wLEK046F51
K17K04Z C2017 05 22.51687 16 23 01.621-05 54 36.35 21.0 wLEK046F51
K17K04Z C2017 05 23.31740 16 19 46.05 -05 36 53.1 20.8 RoEK046926
K17K04Z C2017 05 23.32110 16 19 45.16 -05 36 48.8 20.3 RoEK046926
K17K04Z C2017 05 23.32480 16 19 44.23 -05 36 43.5 20.6 RoEK046926
K17K04Z KC2017 05 23.32705 16 19 43.71 -05 36 40.8 oEK046691
K17K04Z KC2017 05 23.33266 16 19 42.31 -05 36 33.4 oEK046691
K17K04Z KC2017 05 23.33826 16 19 40.94 -05 36 26.0 oEK046691
K17K04Z _C2017 05 23.47897016 19 07.023-05 33 20.78 20.5 GUEK046568
K17K04Z _C2017 05 23.48194916 19 06.291-05 33 16.92 20.6 GUEK046568
K17K04Z _C2017 05 23.48492016 19 05.558-05 33 13.09 20.5 GUEK046568
K17K04Z KC2017 05 23.57172616 18 44.94 -05 31 03.7 20.8 RUEK046474
K17K04Z KC2017 05 23.57466216 18 44.24 -05 31 00.2 20.6 RUEK046474
K17K04Z KC2017 05 23.57760116 18 43.52 -05 30 56.4 20.6 RUEK046474
K17K04Z C2017 05 24.30797316 15 52.36 -05 15 57.3 20.2 GUEK046H01
K17K04Z C2017 05 24.31128216 15 51.58 -05 15 53.2 20.4 GUEK046H01
K17K04Z C2017 05 24.32288216 15 48.83 -05 15 38.9 20.2 GUEK046H01
K17K04Z C2017 05 24.33834216 15 45.18 -05 15 19.8 20.2 GUEK046H01
K17K04Z KC2017 05 24.37743 16 15 35.96 -05 14 31.4 oEK046691
K17K04Z C2017 05 24.37787 16 15 35.85 -05 14 30.2 21.1 VqEK046I52
K17K04Z C2017 05 24.38052 16 15 35.29 -05 14 27.2 20.8 VqEK046I52
K17K04Z C2017 05 24.38316 16 15 34.63 -05 14 24.4 qEK046I52
K17K04Z C2017 05 24.38582 16 15 34.01 -05 14 21.1 qEK046I52
K17K04Z KC2017 05 24.40896 16 15 28.57 -05 13 51.8 oEK046691
K17K04Z KC2017 05 24.44046 16 15 21.20 -05 13 13.5 oEK046691
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, D. Woodworth. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak. Observers T. H. Bressi, M. J. Brucker,
M. T. Read. 0.9-m f/3 reflector + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Goggia, T. Lowe,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2017 KZ4 PHA, Earth MOID = 0.0433 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 99.19880 (2000.0) P Q
n 0.52682908 Peri. 230.16213 -0.14351682 -0.93306976
a 1.5182952 Node 231.35246 +0.98684642 -0.10987011
e 0.7923976 Incl. 24.98040 +0.07441150 -0.34250456
P 1.87 H 20.7 G 0.15 U 9
Residuals in seconds of arc
170522 F51 0.0 0.1+ 170523 691 0.2+ 0.5+ 170524 H01 0.1+ 0.0
170522 F51 0.0 0.2+ 170523 568 0.1- 0.2+ 170524 H01 0.2+ 0.1+
170522 F51 0.1+ 0.1+ 170523 568 0.1- 0.2+ 170524 691 0.5- 0.2-
170522 F51 0.1- 0.0 170523 568 0.1- 0.1+ 170524 I52 0.5- 0.6+
170523 926 0.2- 0.4+ 170523 474 0.1- 0.1+ 170524 I52 0.5+ 0.3+
170523 926 0.1+ 0.1- 170523 474 0.1+ 0.2- 170524 I52 0.1- 0.2-
170523 926 0.1- 0.4+ 170523 474 0.0 0.2- 170524 I52 0.0 0.1-
170523 691 0.2+ 0.3+ 170524 H01 0.2+ 0.0 170524 691 0.1- 0.5+
170523 691 0.0 0.4+ 170524 H01 0.2+ 0.1+ 170524 691 0.2+ 0.0
Ephemeris:
2017 KZ4 a,e,i = 1.52, 0.79, 25 q = 0.3152
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 04 24 19 21 58.2 -21 43 04 0.3659 1.1547 104.8 57.4 20.9
...
2017 05 09 17 35 00.7 -12 43 20 0.3995 1.3507 143.2 26.6 20.6
...
2017 05 17 16 48 34.0 -08 17 30 0.4559 1.4462 159.1 14.5 20.6
...
2017 05 23 16 21 03.2 -05 43 41 0.5146 1.5143 164.3 10.5 20.8
2017 05 24 16 17 04.2 -05 22 11 0.5256 1.5253 164.3 10.4 20.9
2017 05 25 16 13 15.0 -05 01 50 0.5370 1.5363 164.1 10.4 20.9
...
2017 05 31 15 53 35.5 -03 22 26 0.6113 1.6005 159.4 12.9 21.4
...
2017 06 08 15 34 53.2 -02 01 13 0.7247 1.6819 150.0 17.6 22.1
...
2017 06 23 15 16 22.7 -01 14 05 0.9697 1.8228 133.2 24.0 23.1
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-K46
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