[Iaude] MPEC H84: 2017 HX4 [a=1.78,e=0.50,i=5.5,H=26.3]
mpec at si.edu
mpec at si.edu
Sat Apr 29 22:21:21 EDT 2017
M.P.E.C. 2017-H84 Issued 2017 Apr. 30, 02:16 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 at CFA.HARVARD.EDU
URL http://www.minorplanetcenter.net/ ISSN 1523-6714
2017 HX4
Observations:
K17H04X* C2017 04 26.38382 13 57 59.366-02 29 59.98 21.7 wLEH084F51
K17H04X C2017 04 26.39447 13 57 58.744-02 30 19.09 21.9 wLEH084F51
K17H04X C2017 04 26.40515 13 57 58.124-02 30 38.02 21.5 wLEH084F51
K17H04X |C2017 04 27.12248 13 57 46.51 -02 51 43.3 21.7 VuEH084807
K17H04X |C2017 04 27.12932 13 57 46.14 -02 51 57.2 21.8 VuEH084807
K17H04X |C2017 04 27.13617 13 57 45.72 -02 52 10.8 21.5 VuEH084807
K17H04X KC2017 04 27.25725313 57 38.64 -02 56 18.6 21.6 GUEH084W86
K17H04X KC2017 04 27.26592013 57 38.16 -02 56 36.5 21.7 GUEH084W86
K17H04X KC2017 04 27.27458913 57 37.68 -02 56 54.5 21.7 GUEH084W86
K17H04X _C2017 04 27.49150713 57 33.611-03 06 10.85 21.4 GUEH084568
K17H04X _C2017 04 27.49272813 57 33.536-03 06 13.52 21.4 GUEH084568
K17H04X _C2017 04 27.49394613 57 33.461-03 06 16.22 21.4 GUEH084568
K17H04X |C2017 04 28.10074 13 57 27.29 -03 27 59.8 21.3 VuEH084807
K17H04X |C2017 04 28.10639 13 57 26.97 -03 28 13.7 21.4 VuEH084807
K17H04X |C2017 04 28.11219 13 57 26.62 -03 28 27.9 21.4 VuEH084807
K17H04X |C2017 04 29.06852 13 57 05.93 -04 11 47.6 21.3 VuEH084807
K17H04X |C2017 04 29.07228 13 57 05.70 -04 11 59.0 21.3 VuEH084807
K17H04X |C2017 04 29.07605 13 57 05.46 -04 12 10.1 21.4 VuEH084807
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, D. Woodworth. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, S. Kahale,
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.
W86 Cerro Tololo-LCOGT B. Observers T. Lister, S. Greenstreet, E. Gomez.
Measurers T. Lister, T. Linder. 1.0-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2017 HX4 Earth MOID = 0.0094 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 309.96138 (2000.0) P Q
n 0.41514800 Peri. 236.86763 +0.16465206 +0.98419935
a 1.7796479 Node 42.76171 -0.87000268 +0.17602296
e 0.5033647 Incl. 5.50433 -0.46474190 +0.01917194
P 2.37 H 26.3 G 0.15 U 7
Residuals in seconds of arc
170426 F51 0.1+ 0.2+ 170427 W86 0.2+ 0.1+ 170428 807 0.2- 0.1-
170426 F51 0.0 0.1- 170427 W86 0.2+ 0.0 170428 807 0.2+ 0.1-
170426 F51 0.0 0.1- 170427 W86 0.1+ 0.2- 170428 807 0.3+ 0.1+
170427 807 0.4- 0.0 170427 568 0.1- 0.0 170429 807 0.1- 0.1-
170427 807 0.1- 0.0 170427 568 0.1- 0.0 170429 807 0.0 0.1-
170427 807 0.5- 0.3+ 170427 568 0.1- 0.1- 170429 807 0.0 0.3+
Ephemeris:
2017 HX4 a,e,i = 1.78, 0.50, 6 q = 0.8838
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 03 31 13 57 36.6 +00 18 05 0.2960 1.2805 159.5 15.8 25.1
...
2017 04 15 13 59 35.4 +00 00 33 0.1695 1.1696 168.2 10.1 23.4
...
2017 04 23 13 58 46.5 -01 14 22 0.1093 1.1129 168.8 10.1 22.4
...
2017 04 29 13 57 02.9 -04 09 20 0.06661 1.0722 167.7 11.6 21.3
2017 04 30 13 56 35.7 -05 04 49 0.05966 1.0656 167.5 11.8 21.0
2017 05 01 13 56 03.2 -06 15 23 0.05277 1.0591 167.5 11.9 20.8
...
2017 05 07 13 41 39.9 -38 18 34 0.01404 1.0215 153.0 26.6 18.3
...
2017 05 15 02 03 52.8 -15 44 29 0.04584 0.9762 40.1 138.1 26.2
...
2017 05 30 02 05 46.7 -06 03 57 0.1510 0.9120 44.4 128.9 27.6
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-H84
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