[Iaude] MPEC H74: 2017 HE4 [a=2.95,e=0.94,i=41.4,H=21.1]
mpec at si.edu
mpec at si.edu
Thu Apr 27 22:29:22 EDT 2017
M.P.E.C. 2017-H74 Issued 2017 Apr. 28, 02:25 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 HE4
Observations:
K17H04E* C2017 04 23.41269 15 49 48.41 +08 20 05.5 21.0 VqEH074G96
K17H04E C2017 04 23.41694 15 49 47.83 +08 20 29.4 21.1 VqEH074G96
K17H04E C2017 04 23.42120 15 49 47.41 +08 20 53.4 20.9 VqEH074G96
K17H04E C2017 04 23.42546 15 49 46.91 +08 21 17.1 21.6 VqEH074G96
K17H04E C2017 04 23.44968 15 49 43.98 +08 23 31.2 22.4 VqEH074G96
K17H04E C2017 04 23.45044 15 49 43.84 +08 23 33.6 21.2 VqEH074G96
K17H04E C2017 04 23.45119 15 49 43.75 +08 23 38.6 qEH074G96
K17H04E C2017 04 23.45194 15 49 43.75 +08 23 43.5 qEH074G96
K17H04E KC2017 04 23.59309415 49 27.88 +08 37 09.1 20.8 RtEH074474
K17H04E KC2017 04 23.59781115 49 27.32 +08 37 35.2 21.0 RtEH074474
K17H04E KC2017 04 23.60252915 49 26.74 +08 38 02.3 21.7 RtEH074474
K17H04E C2017 04 24.38090 15 47 52.49 +09 52 06.4 20.4 VqEH074I52
K17H04E C2017 04 24.38236 15 47 52.26 +09 52 15.1 21.1 VqEH074I52
K17H04E C2017 04 24.38381 15 47 52.05 +09 52 24.2 22.0 VqEH074I52
K17H04E C2017 04 24.38647 15 47 51.69 +09 52 39.2 21.4 VqEH074I52
K17H04E C2017 04 24.39825 15 47 50.14 +09 53 49.7 20.6 RoEH074926
K17H04E C2017 04 24.40368 15 47 49.41 +09 54 21.7 20.8 RoEH074926
K17H04E C2017 04 24.41038 15 47 48.53 +09 55 01.2 21.6 RoEH074926
K17H04E KC2017 04 25.31941615 45 48.06 +11 27 22.6 21.1 VuEH074H21
K17H04E KC2017 04 25.33193415 45 46.21 +11 28 41.3 21.1 VuEH074H21
K17H04E KC2017 04 25.34114015 45 44.87 +11 29 39.2 21.2 VuEH074H21
K17H04E C2017 04 27.02499 15 41 28.26 +14 37 16.9 20.8 VSEH074033
K17H04E C2017 04 27.02809 15 41 27.73 +14 37 39.4 20.5 VSEH074033
K17H04E C2017 04 27.03431 15 41 26.66 +14 38 22.8 20.5 VSEH074033
K17H04E C2017 04 27.03742 15 41 26.11 +14 38 45.4 20.8 VSEH074033
K17H04E C2017 04 27.07828 15 41 19.05 +14 43 35.1 20.7 VSEH074033
K17H04E C2017 04 27.35375 15 40 32.62 +15 16 38.8 21.1 VqEH074I52
K17H04E C2017 04 27.35537 15 40 32.36 +15 16 51.7 qEH074I52
K17H04E C2017 04 27.35919 15 40 31.64 +15 17 18.2 21.1 VqEH074I52
K17H04E C2017 04 27.36082 15 40 31.31 +15 17 30.8 19.9 VqEH074I52
K17H04E C2017 04 27.42676 15 40 19.42 +15 25 30.3 20.8 RoEH074926
K17H04E C2017 04 27.43046 15 40 18.81 +15 25 57.3 20.8 RoEH074926
K17H04E C2017 04 27.43417 15 40 18.07 +15 26 25.1 21.1 RoEH074926
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
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.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer R. G. Matheny. 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.
1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. A. Johnson,
R. G. Matheny. 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 HE4 Earth MOID = 0.2546 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 335.54030 (2000.0) P Q
n 0.19417195 Peri. 158.81963 +0.94782009 -0.01966777
a 2.9535549 Node 208.75479 +0.09853048 +0.96730235
e 0.9440706 Incl. 41.41054 +0.30319767 -0.25286230
P 5.08 H 21.1 G 0.15 U 8
Residuals in seconds of arc
170423 G96 0.1- 0.7- 170424 I52 0.8+ 0.1- 170427 033 0.1+ 0.6+
170423 G96 1.1- 0.2- 170424 I52 0.2+ 0.0 170427 033 0.1+ 0.1-
170423 G96 0.3+ 0.3+ 170424 I52 0.0 0.5+ 170427 033 0.1- 0.4+
170423 G96 0.5+ 0.6+ 170424 I52 0.1- 0.2- 170427 033 0.1- 0.1+
170423 G96 0.4+ 1.0+ 170424 926 0.2+ 0.5+ 170427 I52 0.0 0.6-
170423 G96 0.4- 0.8- 170424 926 0.1+ 0.5+ 170427 I52 0.4+ 0.6+
170423 G96 0.4- 0.1+ 170424 926 0.3+ 0.4+ 170427 I52 0.0 0.6-
170423 G96 1.0+ 0.9+ 170425 H21 0.2+ 0.3+ 170427 I52 0.5- 0.2+
170423 474 0.2- 0.2+ 170425 H21 0.2- 0.2+ 170427 926 0.1+ 0.3+
170423 474 0.0 0.1- 170425 H21 0.2- 0.1+ 170427 926 0.9+ 0.4+
170423 474 0.0 0.7+ 170427 033 0.0 0.0 170427 926 0.1- 1.2+
Ephemeris:
2017 HE4 a,e,i = 2.95, 0.94, 41 q = 0.1652
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 03 29 16 03 29.3 -11 02 32 1.0309 1.8133 126.6 26.2 23.6
...
2017 04 13 16 01 40.5 -03 09 07 0.6857 1.5936 140.7 23.5 22.4
...
2017 04 21 15 53 51.9 +04 55 56 0.5231 1.4681 146.0 22.5 21.6
...
2017 04 27 15 41 32.6 +14 34 27 0.4180 1.3696 144.9 25.0 21.0
2017 04 28 15 38 37.3 +16 36 30 0.4024 1.3527 143.9 26.0 21.0
2017 04 29 15 35 22.0 +18 47 11 0.3876 1.3358 142.6 27.3 20.9
...
2017 05 05 15 05 30.6 +35 06 26 0.3170 1.2313 128.5 39.8 20.6
...
2017 05 13 13 16 47.6 +61 16 30 0.2911 1.0838 96.7 67.8 21.0
...
2017 05 28 06 42 07.7 +59 31 43 0.4388 0.7739 45.7 110.3 22.9
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-H74
More information about the Iaude
mailing list