MPEC 2015-H18 : 2015 HH
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M.P.E.C. 2015-H18 Issued 2015 Apr. 18, 14:06 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2015 HH
Observations:
K15H00H* C2015 04 16.30429 11 51 03.833-12 01 21.93 19.8 wLEH018F51
K15H00H C2015 04 16.31513 11 51 11.236-11 57 29.46 20.4 wLEH018F51
K15H00H C2015 04 16.32601 11 51 18.671-11 53 35.34 20.1 wLEH018F51
K15H00H C2015 04 17.26490 12 03 00.94 -06 26 37.8 19.5 RoEH018926
K15H00H C2015 04 17.27012 12 03 04.22 -06 24 51.6 19.7 RoEH018926
K15H00H C2015 04 17.27534 12 03 07.46 -06 23 06.2 19.8 RoEH018926
K15H00H C2015 04 17.29685 12 03 20.88 -06 15 49.5 19.5 RoEH018926
K15H00H C2015 04 17.30208 12 03 24.23 -06 14 03.8 19.2 RoEH018926
K15H00H C2015 04 17.30730 12 03 27.50 -06 12 17.1 19.8 RoEH018926
K15H00H C2015 04 18.14419 12 13 20.02 -01 40 29.3 19.9 RoEH018926
K15H00H C2015 04 18.14943 12 13 23.08 -01 38 52.3 19.4 RoEH018926
K15H00H C2015 04 18.15463 12 13 26.13 -01 37 13.5 19.8 RoEH018926
K15H00H KC2015 04 18.15598912 13 21.02 -01 37 19.0 19.8 VuEH018H21
K15H00H KC2015 04 18.16014312 13 23.45 -01 36 01.7 19.9 VuEH018H21
K15H00H KC2015 04 18.16415712 13 25.80 -01 34 46.1 20.1 VuEH018H21
K15H00H C2015 04 18.19320 12 13 48.25 -01 25 18.2 19.5 VqEH018I52
K15H00H C2015 04 18.19396 12 13 48.69 -01 25 02.4 18.8 VqEH018I52
K15H00H C2015 04 18.19473 12 13 49.13 -01 24 49.2 19.6 VqEH018I52
K15H00H C2015 04 18.19549 12 13 49.55 -01 24 35.6 20.0 VqEH018I52
Observer details:
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.41-m f/3.75 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers R. Anderson, B. Gibson, T. Goggia,
N. Primak, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel,
L. Denneau, H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observers T. Linder,
R. Holmes. Measurers T. Linder, R. Holmes, L. Buzzi, S. Foglia,
T. Vorobjov. 0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
R. E. Hill, J. A. Johnson, R. A. Kowalski, S. M. Larson, R. G. Matheny,
F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2015 HH Earth MOID = 0.0285 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 129.38905 (2000.0) P Q
n 0.89393562 Peri. 281.82606 -0.61596760 -0.78262735
a 1.0672477 Node 206.84231 +0.77781161 -0.58612314
e 0.1018041 Incl. 11.48158 +0.12487198 -0.20965233
P 1.10 H 26.2 G 0.15 U 6
Residuals in seconds of arc
150416 F51 0.2- 0.2- 150417 926 0.5+ 0.2- 150418 H21 0.1+ 0.1+
150416 F51 0.2- 0.2- 150417 926 0.3+ 0.7+ 150418 I52 0.2+ 0.3-
150416 F51 0.3+ 0.4+ 150418 926 0.1+ 0.1+ 150418 I52 0.3+ 1.3+
150417 926 0.1- 0.3- 150418 926 0.0 1.0- 150418 I52 0.3+ 0.1+
150417 926 0.2+ 0.0 150418 926 0.3+ 0.6+ 150418 I52 0.1+ 0.4-
150417 926 0.1- 0.5- 150418 H21 1.0- 0.0
150417 926 0.6- 0.1+ 150418 H21 0.5- 0.5-
Ephemeris:
2015 HH a,e,i = 1.07, 0.10, 11 q = 0.9586
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 03 19 05 00 49.1 -61 46 01 0.09911 0.9886 83.2 91.1 24.4
...
2015 04 03 07 33 53.8 -61 24 59 0.05210 1.0100 100.0 77.1 22.5
...
2015 04 11 10 22 07.6 -42 39 25 0.03280 1.0227 128.5 50.0 20.7
...
2015 04 17 11 59 49.2 -07 54 21 0.03168 1.0326 155.6 23.7 19.9
2015 04 18 12 11 34.4 -02 23 39 0.03306 1.0343 156.1 23.1 20.0
2015 04 19 12 22 14.3 +02 37 03 0.03482 1.0359 155.2 24.0 20.1
...
2015 04 25 13 08 49.4 +22 21 43 0.05061 1.0461 141.8 36.5 21.3
...
2015 05 03 13 43 35.8 +32 40 59 0.07787 1.0597 130.1 46.7 22.6
...
2015 05 18 14 16 14.4 +37 11 10 0.1336 1.0850 120.3 53.6 24.0
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-H18
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