MPEC 2020-H126 : 2020 HP4
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M.P.E.C. 2020-H126 Issued 2020 April 23, 11:40 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
2020 HP4
Observations:
K20H04P* C2020 04 22.36591 14 43 58.28 +11 24 37.8 19.2 GVEH126G96
K20H04P C2020 04 22.37106 14 43 47.39 +11 19 18.0 VEH126G96
K20H04P C2020 04 22.37621 14 43 36.51 +11 13 58.4 VEH126G96
K20H04P C2020 04 22.38137 14 43 25.49 +11 08 34.7 VEH126G96
K20H04P C2020 04 22.40210 14 42 41.30 +10 46 50.6 18.8 GVEH126I52
K20H04P C2020 04 22.40239 14 42 40.70 +10 46 32.2 18.9 GVEH126I52
K20H04P C2020 04 22.40297 14 42 39.45 +10 45 55.2 18.9 GVEH126I52
K20H04P C2020 04 22.42883 14 41 43.83 +10 18 18.9 19.1 GVEH126I52
K20H04P C2020 04 22.42927 14 41 42.91 +10 17 50.5 18.9 GVEH126I52
K20H04P C2020 04 22.42971 14 41 41.94 +10 17 21.8 18.6 GVEH126I52
K20H04P C2020 04 22.43014 14 41 41.00 +10 16 53.7 18.8 GVEH126I52
K20H04P C2020 04 22.47871 14 39 55.44 +09 23 39.8 18.6 GVEH126V06
K20H04P C2020 04 22.47902 14 39 54.77 +09 23 19.2 18.5 GVEH126V06
K20H04P C2020 04 22.47933 14 39 54.10 +09 22 58.4 18.6 GVEH126V06
K20H04P C2020 04 22.47964 14 39 53.43 +09 22 37.7 18.7 GVEH126V06
K20H04P FC2020 04 22.84049 14 26 36.64 +01 50 15.5 VEH126246
K20H04P C2020 04 22.84067 14 26 36.12 +01 49 58.9 VEH126246
K20H04P C2020 04 22.84328 14 26 29.33 +01 46 20.2 VEH126246
K20H04P C2020 04 22.84337 14 26 29.16 +01 46 12.9 VEH126246
K20H04P C2020 04 22.84346 14 26 28.84 +01 46 06.8 VEH126246
K20H04P C2020 04 22.84355 14 26 28.56 +01 45 58.4 VEH126246
K20H04P C2020 04 22.84365 14 26 28.31 +01 45 50.8 VEH126246
K20H04P C2020 04 22.84373 14 26 28.06 +01 45 42.9 VEH126246
K20H04P KC2020 04 22.84797514 26 16.45 +01 39 35.0 18.5 GVEH126G34
K20H04P KC2020 04 22.85012814 26 10.77 +01 36 34.3 18.8 GVEH126G34
K20H04P KC2020 04 22.85228214 26 05.10 +01 33 33.9 19.4 GVEH126G34
K20H04P C2020 04 22.85755 14 25 51.51 +01 26 07.9 19.0 VVEH126033
K20H04P C2020 04 22.85783 14 25 50.73 +01 25 44.1 18.8 VVEH126033
K20H04P C2020 04 22.85811 14 25 50.00 +01 25 20.2 19.0 VVEH126033
K20H04P KC2020 04 22.86391714 25 34.33 +01 17 14.4 17.0 RVEH126K61
K20H04P KC2020 04 22.86488114 25 31.76 +01 15 52.4 17.5 RVEH126K61
K20H04P KC2020 04 22.86658014 25 27.22 +01 13 28.4 17.4 RVEH126K61
K20H04P KC2020 04 22.86748814 25 24.77 +01 12 11.2 18.0 RVEH126K61
K20H04P KC2020 04 22.86986 14 25 19.51 +01 09 11.6 18.9 GVEH126595
K20H04P KC2020 04 22.87050 14 25 18.11 +01 07 57.1 17.8 RVEH126A17
K20H04P KC2020 04 22.87122 14 25 12.32 +01 07 10.5 19.0 VVEH126L04
K20H04P KC2020 04 22.87286 14 25 11.77 +01 04 35.1 17.7 RVEH126A17
K20H04P KC2020 04 22.87318 14 25 10.47 +01 04 27.5 18.8 GVEH126595
K20H04P KC2020 04 22.87524 14 25 05.38 +01 01 12.2 17.6 RVEH126A17
K20H04P KC2020 04 22.87627 14 24 58.61 +00 59 59.2 18.7 VVEH126L04
K20H04P KC2020 04 22.87650 14 25 01.53 +00 59 45.6 19.1 GVEH126595
K20H04P KC2020 04 22.88507 14 24 34.58 +00 47 24.5 18.5 VVEH126L04
K20H04P C2020 04 22.89288 14 24 15.94 +00 36 01.0 VEH126246
K20H04P C2020 04 22.89297 14 24 15.67 +00 35 51.1 VEH126246
K20H04P C2020 04 22.89307 14 24 15.39 +00 35 43.5 VEH126246
K20H04P C2020 04 22.89316 14 24 15.17 +00 35 37.1 VEH126246
K20H04P C2020 04 22.89325 14 24 14.94 +00 35 27.9 VEH126246
K20H04P KC2020 04 22.91169 14 23 26.14 +00 09 12.2 18.7 GVEH126K63
K20H04P KC2020 04 22.91171 14 23 23.57 +00 08 31.0 18.5 VSEH126C43
K20H04P KC2020 04 22.91252 14 23 21.32 +00 07 20.5 18.6 VSEH126C43
K20H04P KC2020 04 22.91322 14 23 19.36 +00 06 18.4 18.7 VSEH126C43
K20H04P KC2020 04 22.92115 14 22 59.75 -00 04 35.8 18.7 GVEH126K63
K20H04P KC2020 04 22.92731514 22 44.82 -00 14 18.3 18.6 GVEH126Z80
K20H04P KC2020 04 22.92971314 22 38.49 -00 17 50.2 18.1 GVEH126J95
K20H04P KC2020 04 22.93478014 22 23.98 -00 25 17.8 18.4 GVEH126Z80
K20H04P KC2020 04 22.93584814 22 18.79 -00 26 21.5 VEH126204
K20H04P KC2020 04 22.93637214 22 19.86 -00 27 38.8 18.8 GVEH126J95
K20H04P KC2020 04 22.93793314 22 15.47 -00 29 57.0 18.7 GVEH126J95
K20H04P KC2020 04 22.94036414 22 08.67 -00 33 32.8 18.4 GVEH126J95
K20H04P HC2020 04 22.94037414 22 05.97 -00 33 03.1 VEH126204
K20H04P KC2020 04 22.94194814 22 04.19 -00 35 53.3 18.7 GVEH126J95
K20H04P KC2020 04 22.94486914 21 53.21 -00 39 42.4 18.4 GVEH126204
K20H04P KC2020 04 22.96458214 20 54.82 -01 09 04.5 18.5 GVEH126L01
K20H04P KC2020 04 22.96519014 20 53.06 -01 09 59.3 18.4 GVEH126L01
K20H04P KC2020 04 22.96579314 20 51.35 -01 10 53.5 18.3 GVEH126L01
K20H04P KC2020 04 22.96639914 20 49.59 -01 11 48.2 18.4 GVEH126L01
K20H04P KC2020 04 22.96700714 20 47.85 -01 12 42.6 18.4 GVEH126L01
K20H04P KC2020 04 23.00198614 19 11.20 -02 06 32.0 18.4 GVEH126Z99
K20H04P KC2020 04 23.00338514 19 07.09 -02 08 40.7 18.5 GVEH126Z99
K20H04P KC2020 04 23.00484214 19 02.82 -02 10 55.3 18.4 GVEH126Z99
K20H04P C2020 04 23.16858 14 11 23.96 -06 30 59.9 18.1 GVEH126I52
K20H04P C2020 04 23.16871 14 11 23.50 -06 31 13.3 17.7 GVEH126I52
K20H04P C2020 04 23.16884 14 11 23.10 -06 31 26.4 18.3 GVEH126I52
K20H04P C2020 04 23.16897 14 11 22.71 -06 31 39.4 17.9 GVEH126I52
K20H04P KC2020 04 23.26334114 06 05.94 -09 13 23.2 18.4 GVEH126858
K20H04P KC2020 04 23.27426014 05 28.10 -09 32 28.8 18.4 GVEH126858
K20H04P KC2020 04 23.28044614 05 06.55 -09 43 20.0 18.4 GVEH126858
K20H04P KC2020 04 23.39509613 58 51.14 -12 57 26.9 18.1 GVEH126R57
K20H04P KC2020 04 23.39624613 58 46.91 -12 59 33.5 18.1 GVEH126R57
K20H04P KC2020 04 23.39739613 58 42.70 -13 01 39.7 18.0 GVEH126R57
K20H04P KC2020 04 23.39854713 58 38.49 -13 03 47.6 18.3 GVEH126R57
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. 1.06-m f/2.7
reflector + 2048x2048 CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.5 reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m
Schmidt-Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. Measurers 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, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. Measurers
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, K. W. Wierzchos. 1.0-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.4-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
R57 Aorangi Iti Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 0.35-m f/11 Schmidt-Cassegrain + CCD.
V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. Measurers 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, K. W. Wierzchos. 1.55-m reflector + CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurers D. Bamberger,
G. Wells. 0.25-m f/8.0 Ritchey-Chretien + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2020 HP4 Earth MOID = 0.0153 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 1.85253 (2000.0) P Q
n 0.60870670 Peri. 219.25937 -0.34510216 +0.89742508
a 1.3788933 Node 33.37082 -0.68500639 -0.04065379
e 0.2972303 Incl. 29.97648 -0.64161573 -0.43928977
P 1.62 H 26.6 G 0.15 U 6
Residuals in seconds of arc
200422 G96 0.0 0.4- 200422 033 0.4- 0.1- 200422 Z80 0.3+ 0.5+
200422 G96 0.1- 1.0- 200422 033 0.2- 0.3- 200422 204 0.0 0.0
200422 G96 0.4+ 0.2- 200422 K61 0.8- 0.9- 200422 J95 0.1+ 0.0
200422 G96 (0.6- 1.7-) 200422 K61 0.6- 1.1- 200422 J95 0.1- 0.2+
200422 I52 0.1- 0.3+ 200422 K61 0.4- 0.7- 200422 J95 0.3+ 0.1+
200422 I52 0.2+ 0.3+ 200422 K61 0.6- 0.7- 200422 204 0.1- 0.1-
200422 I52 0.1+ 0.1+ 200422 595 1.0+ 0.2- 200422 J95 0.1- 0.3+
200422 I52 0.1+ 0.5+ 200422 A17 0.1- 0.8+ 200422 204 0.1- 0.3+
200422 I52 0.5+ 0.6+ 200422 L04 0.2- 0.7- 200422 L01 0.2- 0.1+
200422 I52 0.2+ 0.3+ 200422 A17 0.1- 0.1+ 200422 L01 0.3- 0.1+
200422 I52 0.0 0.0 200422 595 0.1- 1.2- 200422 L01 0.1+ 0.2+
200422 V06 0.4- 0.1- 200422 A17 0.1+ 0.4+ 200422 L01 0.0 0.1+
200422 V06 0.3- 0.0 200422 L04 0.0 0.7- 200422 L01 0.2+ 0.5+
200422 V06 0.2- 0.1- 200422 595 0.7+ 0.6+ 200423 Z99 0.0 0.5+
200422 V06 0.1- 0.0 200422 L04 0.1+ 0.7- 200423 Z99 0.2- 0.5+
200422 246 0.0 1.0+ 200422 246 0.1- 0.8+ 200423 Z99 0.3- 0.0
200422 246 0.7- 0.5- 200422 246 0.4- 1.4- 200423 I52 0.5+ 0.3+
200422 246 0.6+ 0.6- 200422 246 0.5- 0.3- 200423 I52 0.2- 0.0
200422 246 (1.6+ 0.4-) 200422 246 0.1- 1.0+ 200423 I52 0.0 0.1-
200422 246 0.3+ 1.1+ 200422 246 0.1+ 0.4- 200423 I52 0.4+ 0.0
200422 246 0.3- 0.2+ 200422 K63 (1.0- 2.0-) 200423 858 0.1+ 0.2-
200422 246 0.1- 1.0+ 200422 C43 0.2- 0.2+ 200423 858 0.0 0.2-
200422 246 0.7- 0.2- 200422 C43 0.2- 0.5+ 200423 858 0.1+ 0.1-
200422 G34 0.3+ 0.9- 200422 C43 0.5- 0.4- 200423 R57 0.1+ 0.4-
200422 G34 0.5+ 0.5- 200422 K63 0.4- 1.4- 200423 R57 0.2- 0.1-
200422 G34 1.0+ 0.5+ 200422 Z80 0.2+ 0.6+ 200423 R57 0.1- 0.6+
200422 033 0.1+ 0.0 200422 J95 0.3+ 0.2- 200423 R57 0.0 0.2-
Ephemeris:
2020 HP4 a,e,i = 1.38, 0.30, 30 q = 0.9690
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 03 24 16 12 38.6 +46 34 52 0.3033 1.1329 109.1 56.3 26.3
...
2020 04 08 16 13 13.2 +45 39 54 0.1587 1.0730 112.9 59.3 24.9
...
2020 04 16 15 58 16.0 +41 35 15 0.08016 1.0448 119.0 57.2 23.3
...
2020 04 22 14 54 58.0 +17 01 40 0.02431 1.0259 147.7 31.5 19.9
2020 04 23 14 19 18.0 -01 55 30 0.01777 1.0230 168.7 11.1 18.6
2020 04 24 13 15 17.3 -32 27 29 0.01549 1.0201 157.1 22.6 18.7
...
2020 04 30 05 54 15.1 -60 13 01 0.06281 1.0043 85.4 91.0 23.8
...
2020 05 08 05 06 34.4 -55 10 04 0.1402 0.9873 77.0 95.0 25.7
...
2020 05 23 04 48 15.4 -52 01 09 0.2794 0.9702 73.4 90.6 27.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-H126
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