[Iaude] MPEC G115: 2017 HS [a=2.29,e=0.60,i=6.9,H=21.28]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue Apr 9 10:13:57 EDT 2024
M.P.E.C. 2024-G115 Issued 2024 April 9, 14:12 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
2017 HS
Revision to MPEC 2017-H21
Additional Observations:
K17H00S 0C2024 04 05.59628016 52 20.891-11 06 50.09 21.65GVEG115T14
K17H00S 0C2024 04 05.59725816 52 21.152-11 06 49.18 21.73GVEG115T14
K17H00S 0C2024 04 05.59823516 52 21.405-11 06 48.26 21.31GVEG115T14
K17H00S 0C2024 04 05.59921416 52 21.661-11 06 47.34 21.38GVEG115T14
K17H00S 0C2024 04 05.60019116 52 21.917-11 06 46.47 22.08GVEG115T14
K17H00S 0C2024 04 05.60117016 52 22.172-11 06 45.52 21.64GVEG115T14
K17H00S KC2024 04 07.48365617 01 02.121-10 35 45.91 20.5 GVEG115I52
K17H00S KC2024 04 07.48792617 01 03.311-10 35 41.73 20.6 GVEG115I52
K17H00S KC2024 04 07.49181317 01 04.385-10 35 37.53 20.5 GVEG115I52
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observer D. Rankin. Measurers
D. Rankin, D. Parrott. 1.00-m f/2.0 prime focus + CCD + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea. Observer L. Wells. Measurer D.
J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240405 T14 0.26+ 0.03+ 240407 I52 0.27+ 0.03+ E2024-BE1 +0.11 days
Orbital elements:
2017 HS Earth MOID = 0.0547 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 338.29509 (2000.0) P Q
n 0.28467632 Peri. 111.98888 +0.34450915 +0.93877486
a 2.2885926 Node 178.14958 -0.89971632 +0.33135590
e 0.5962225 Incl. 6.93758 -0.26799998 +0.09436651
P 3.46 H 21.28 G 0.15 U 0
Residuals in seconds of arc
170416 F51 0.1+ 0.2- 170430 691 0.4+ 0.3- 170924 F51 0.0 0.0
170416 F51 0.1+ 0.2- 170430 691 0.6+ 0.6- 170924 G96 0.0 0.4+
170416 F51 0.0 0.1- 170503 691 0.1- 0.1- 170924 G96 0.3- 0.1+
170417 K92 0.0 0.3- 170503 691 0.1+ 0.2+ 170924 G96 0.3- 0.1+
170417 K92 0.0 0.1+ 170503 691 0.1+ 0.0 170924 G96 0.3+ 0.5-
170417 K92 0.6+ 0.1- 170523 291 0.4+ 0.5- 170927 G96 0.1+ 0.2+
170418 291 0.1+ 0.1+ 170523 291 0.4+ 0.8- 170927 G96 0.3- 0.1+
170418 291 0.0 0.2- 170523 291 0.1+ 0.5- 170927 G96 0.2- 0.1-
170418 291 0.1- 0.1- 170620 291 0.2+ 0.5+ 170927 G96 0.1+ 0.2+
170418 926 0.9- 0.7+ 170620 291 0.2- 0.2+ 171011 F51 0.0 0.0
170418 926 0.0 0.1+ 170830 I52 0.3+ 0.1+ 171011 F51 0.1- 0.1-
170419 291 0.4+ 0.5+ 170830 I52 0.3- 0.9- 171011 F51 0.1+ 0.2+
170419 291 0.1+ 0.5+ 170830 I52 0.0 0.2- 240405 T14 0.0 0.0
170419 291 0.1- 0.4+ 170903 G96 0.6+ 0.5+ 240405 T14 0.1+ 0.0
170420 691 0.2+ 0.1+ 170903 G96 0.4+ 0.6+ 240405 T14 0.0 0.0
170420 691 0.4- 0.5+ 170903 G96 0.2+ 0.2- 240405 T14 0.0 0.0
170420 691 0.6+ 0.8+ 170903 G96 0.5+ 0.0 240405 T14 0.0 0.0
170423 I52 1.1- 0.1+ 170904 H21 0.4- 0.5+ 240405 T14 0.0 0.0
170423 I52 0.6- 0.3- 170904 H21 0.3- 0.4+ 240407 I52 0.5- 0.3+
170423 I52 0.2- 0.4+ 170904 H21 0.3- 0.3+ 240407 I52 0.3- 0.0
170423 I52 0.7- 0.4- 170924 F51 0.1- 0.2- 240407 I52 0.3- 0.1+
170430 691 0.4+ 0.4- 170924 F51 0.0 0.2-
Ephemeris:
2017 HS a,e,i = 2.29, 0.60, 7 q = 0.9241
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 03 10 15 23 28.6 -14 07 37 0.7886 1.5257 117.3 35.3 23.1
...
2024 03 25 16 07 20.3 -13 13 36 0.5878 1.3992 121.8 37.3 22.4
...
2024 04 02 16 36 57.8 -11 56 56 0.4949 1.3322 122.5 39.3 21.9
...
2024 04 08 17 03 29.4 -10 26 25 0.4329 1.2828 121.7 41.6 21.6
2024 04 09 17 08 21.1 -10 07 56 0.4233 1.2746 121.4 42.1 21.6
2024 04 10 17 13 21.1 -09 48 23 0.4139 1.2665 121.1 42.6 21.5
...
2024 04 16 17 46 34.7 -07 26 08 0.3626 1.2184 118.4 46.4 21.3
...
2024 04 24 18 40 38.6 -03 01 58 0.3100 1.1567 111.7 53.9 21.0
...
2024 05 09 20 47 59.0 +07 53 53 0.2733 1.0528 91.5 73.4 21.1
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-G115
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