MPEC 2019-J06 : 2019 HG4
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M.P.E.C. 2019-J06 Issued 2019 May 3, 03:51 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
2019 HG4
Observations:
K19H04G KC2019 04 03.50105714 12 12.073-04 26 39.15 23.1 GVEJ006F51
K19H04G KC2019 04 07.46920214 07 59.228-04 09 19.95 22.7 GVEJ006F51
K19H04G C2019 04 08.48011914 06 43.811-04 04 34.07 21.9 GVEJ006F51
K19H04G C2019 04 08.49268114 06 42.753-04 04 30.27 22.3 GVEJ006F51
K19H04G C2019 04 08.50525514 06 41.708-04 04 26.88 22.1 GVEJ006F51
K19H04G C2019 04 08.51784814 06 40.695-04 04 23.26 22.5 GVEJ006F51
K19H04G C2019 04 09.47911514 05 24.739-03 59 43.07 23.0 GVEJ006F51
K19H04G C2019 04 09.49176714 05 23.646-03 59 39.43 22.8 GVEJ006F51
K19H04G* C2019 04 24.34915 13 35 34.238-02 35 08.80 22.0 wUEJ006F51
K19H04G C2019 04 24.36075 13 35 32.250-02 35 04.68 22.1 wUEJ006F51
K19H04G C2019 04 24.37235 13 35 30.249-02 35 00.28 21.6 wUEJ006F51
K19H04G |C2019 04 28.14252 13 24 23.51 -02 11 14.7 21.1 GUEJ006807
K19H04G |C2019 04 28.14863 13 24 22.30 -02 11 12.3 21.1 GUEJ006807
K19H04G |C2019 04 28.15476 13 24 21.08 -02 11 10.0 21.0 GUEJ006807
K19H04G |C2019 04 29.07619 13 21 23.99 -02 05 28.4 21.3 VuEJ006807
K19H04G |C2019 04 29.08191 13 21 22.84 -02 05 25.9 21.3 VuEJ006807
K19H04G |C2019 04 29.08747 13 21 21.72 -02 05 23.6 21.2 VuEJ006807
K19H04G C2019 04 30.88093 13 15 18.31 -01 54 57.8 21.8 VVEJ006033
K19H04G C2019 04 30.88450 13 15 17.54 -01 54 56.4 21.8 VVEJ006033
K19H04G C2019 04 30.88808 13 15 16.75 -01 54 55.0 22.1 VVEJ006033
K19H04G C2019 04 30.97383 13 14 58.21 -01 54 23.6 21.3 VVEJ006033
K19H04G C2019 04 30.97742 13 14 57.45 -01 54 22.3 21.5 VVEJ006033
K19H04G C2019 04 30.98101 13 14 56.71 -01 54 21.1 21.0 VVEJ006033
K19H04G C2019 04 30.98482 13 14 55.86 -01 54 19.7 22.0 VVEJ006033
K19H04G C2019 04 30.98840 13 14 55.08 -01 54 18.3 21.9 VVEJ006033
K19H04G C2019 05 01.19083 13 14 13.48 -01 53 00.5 VEJ006I52
K19H04G C2019 05 01.19416 13 14 12.85 -01 52 58.1 21.8 GVEJ006I52
K19H04G C2019 05 01.19748 13 14 12.10 -01 52 57.4 VEJ006I52
K19H04G C2019 05 01.20654 13 14 10.16 -01 52 53.5 21.0 GVEJ006I52
K19H04G KC2019 05 02.24959 13 10 25.64 -01 46 38.6 21.0 RoEJ006691
K19H04G KC2019 05 02.27908 13 10 18.89 -01 46 28.1 21.4 RoEJ006691
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 0.9-m
f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD, 0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer,
L. Denneau, J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m
Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer B. M. Africano.
Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly.
1.0-m reflector + CCD.
Orbital elements:
2019 HG4 Earth MOID = 0.0359 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 335.06094 (2000.0) P Q
n 0.30919729 Peri. 265.48811 +0.64471193 +0.75834627
a 2.1659359 Node 45.14789 -0.63645496 +0.60222910
e 0.6540992 Incl. 7.80024 -0.42340479 +0.24946150
P 3.19 H 22.4 G 0.15 U 6
Residuals in seconds of arc
190403 F51 0.2+ 0.2+ 190428 807 0.2+ 0.1- 190430 033 0.0 0.1-
190407 F51 0.3- 0.2+ 190428 807 0.3+ 0.1+ 190430 033 0.4- 0.0
190408 F51 0.1+ 0.1- 190428 807 0.2+ 0.1+ 190430 033 0.6- 0.1+
190408 F51 0.1- 0.1+ 190429 807 0.2- 0.4- 190501 I52 1.4- 1.3-
190408 F51 0.2- 0.2- 190429 807 0.0 0.0 190501 I52 0.1+ 0.1-
190408 F51 0.3+ 0.2- 190429 807 0.2+ 0.3+ 190501 I52 0.2- 0.6-
190409 F51 0.2- 0.0 190430 033 0.1+ 0.4- 190501 I52 0.5+ 0.0
190409 F51 0.1+ 0.1- 190430 033 0.1+ 0.3- 190502 691 0.7+ 0.4+
190424 F51 0.0 0.2+ 190430 033 0.2- 0.2- 190502 691 0.3+ 0.4+
190424 F51 0.1+ 0.1+ 190430 033 0.7- 0.1+
190424 F51 0.1+ 0.2+ 190430 033 0.5- 0.0
Ephemeris:
2019 HG4 a,e,i = 2.17, 0.65, 8 q = 0.7492
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 04 03 14 12 39.4 -04 28 35 0.6355 1.6081 158.6 13.1 23.2
...
2019 04 18 13 50 50.0 -03 13 27 0.4622 1.4633 172.3 5.2 22.0
...
2019 04 26 13 30 54.0 -02 24 45 0.3873 1.3840 165.2 10.7 21.7
...
2019 05 02 13 11 20.1 -01 47 54 0.3392 1.3239 155.5 18.4 21.6
2019 05 03 13 07 39.7 -01 41 59 0.3319 1.3138 153.8 19.8 21.6
2019 05 04 13 03 51.9 -01 36 12 0.3247 1.3037 151.9 21.3 21.6
...
2019 05 10 12 38 29.1 -01 04 56 0.2858 1.2432 140.4 31.2 21.5
...
2019 05 18 11 57 20.5 -00 37 50 0.2436 1.1624 123.1 46.8 21.4
...
2019 06 02 10 13 41.3 -00 41 17 0.1920 1.0147 84.8 84.4 21.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-J06
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