MPEC 2019-J07 : 2019 HH4
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M.P.E.C. 2019-J07 Issued 2019 May 3, 03:55 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 HH4
Observations:
K19H04H C2019 04 04.49503814 18 23.737-19 55 57.54 21.7 GVEJ007F51
K19H04H C2019 04 04.50670814 18 22.857-19 55 42.31 22.1 GVEJ007F51
K19H04H C2019 04 04.51836814 18 21.975-19 55 26.83 21.8 GVEJ007F51
K19H04H* C2019 04 25.37197 13 48 27.420-10 37 59.91 21.3 wUEJ007F51
K19H04H C2019 04 25.38397 13 48 26.286-10 37 38.34 21.8 wUEJ007F51
K19H04H C2019 04 25.39592 13 48 25.134-10 37 16.96 21.7 wUEJ007F51
K19H04H |C2019 04 28.22468 13 44 04.73 -09 12 04.5 21.2 GUEJ007807
K19H04H |C2019 04 28.23079 13 44 04.16 -09 11 53.5 21.2 GUEJ007807
K19H04H |C2019 04 28.23689 13 44 03.58 -09 11 42.4 21.3 GUEJ007807
K19H04H |C2019 05 01.14156 13 39 41.98 -07 44 17.4 21.4 VuEJ007807
K19H04H |C2019 05 01.14848 13 39 41.32 -07 44 05.0 21.3 VuEJ007807
K19H04H |C2019 05 01.15501 13 39 40.69 -07 43 53.3 21.4 VuEJ007807
K19H04H C2019 05 01.21964 13 39 35.13 -07 42 06.0 21.7 GVEJ007V06
K19H04H C2019 05 01.22143 13 39 34.96 -07 42 02.8 21.8 GVEJ007V06
K19H04H C2019 05 01.22322 13 39 34.77 -07 41 59.6 21.5 GVEJ007V06
K19H04H C2019 05 01.22500 13 39 34.61 -07 41 56.7 21.7 GVEJ007V06
K19H04H |C2019 05 02.18094 13 38 09.97 -07 13 09.3 21.8 VuEJ007807
K19H04H |C2019 05 02.18997 13 38 09.14 -07 12 53.1 21.7 VuEJ007807
K19H04H |C2019 05 02.19901 13 38 08.31 -07 12 36.7 21.8 VuEJ007807
K19H04H KC2019 05 02.20423313 38 07.97 -07 12 37.6 21.9 VuEJ007H21
K19H04H KC2019 05 02.21459713 38 07.03 -07 12 19.0 21.7 VuEJ007H21
K19H04H KC2019 05 02.22475713 38 06.10 -07 12 00.8 21.5 VuEJ007H21
K19H04H KC2019 05 02.28876 13 38 00.50 -07 10 05.4 21.7 RoEJ007691
K19H04H KC2019 05 02.29738 13 37 59.72 -07 09 50.1 21.9 RoEJ007691
K19H04H KC2019 05 02.30600 13 37 58.96 -07 09 34.5 21.4 RoEJ007691
Observer details:
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m reflector +
CCD.
Orbital elements:
2019 HH4 PHA, Earth MOID = 0.0203 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 239.82534 (2000.0) P Q
n 0.51889993 Peri. 150.67877 +0.95568212 +0.03985112
a 1.5337231 Node 211.48653 -0.00880473 +0.99422173
e 0.3880832 Incl. 33.95046 +0.29426886 -0.09967466
P 1.90 H 19.8 G 0.15 U 7
Residuals in seconds of arc
190404 F51 0.1+ 0.0 190501 807 0.4+ 0.1- 190502 807 0.2+ 0.3+
190404 F51 0.0 0.1- 190501 807 0.1+ 0.1- 190502 H21 0.2- 0.3+
190404 F51 0.1- 0.1+ 190501 807 0.3- 0.2- 190502 H21 0.1- 0.3+
190425 F51 0.3- 0.1- 190501 V06 0.2+ 0.1+ 190502 H21 0.3- 0.3+
190425 F51 0.0 0.0 190501 V06 0.2+ 0.1+ 190502 691 0.0 0.0
190425 F51 0.0 0.1- 190501 V06 0.2- 0.1+ 190502 691 0.1+ 0.1-
190428 807 0.2- 0.0 190501 V06 0.2- 0.2- 190502 691 0.4+ 0.0
190428 807 0.1- 0.1- 190502 807 0.4+ 0.1+
190428 807 0.1- 0.0 190502 807 0.3+ 0.1+
Ephemeris:
2019 HH4 a,e,i = 1.53, 0.39, 34 q = 0.9385
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 04 03 14 20 08.0 -20 27 59 1.0828 2.0230 152.5 13.2 22.3
...
2019 04 18 13 59 47.3 -14 13 42 0.9838 1.9852 174.3 2.9 21.6
...
2019 04 26 13 47 29.3 -10 19 06 0.9599 1.9627 173.4 3.4 21.5
...
2019 05 02 13 38 26.0 -07 18 39 0.9557 1.9447 164.2 8.1 21.7
2019 05 03 13 36 58.6 -06 48 48 0.9561 1.9416 162.7 8.9 21.7
2019 05 04 13 35 32.3 -06 19 07 0.9568 1.9385 161.1 9.7 21.8
...
2019 05 10 13 27 26.3 -03 26 06 0.9675 1.9193 152.2 14.2 21.9
...
2019 05 18 13 18 26.3 +00 03 39 0.9966 1.8922 140.9 19.7 22.2
...
2019 06 02 13 08 22.9 +05 08 54 1.0851 1.8370 122.1 27.9 22.5
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-J07
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