MPEC 2020-H17 : 2020 HE
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M.P.E.C. 2020-H17 Issued 2020 April 18, 04:30 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 HE
Observations:
K20H00E* C2020 04 16.25333 12 31 30.26 -10 51 56.6 19.7 GVEH017G96
K20H00E C2020 04 16.25928 12 31 28.23 -10 50 35.7 VEH017G96
K20H00E C2020 04 16.26525 12 31 26.20 -10 49 15.5 19.4 GVEH017G96
K20H00E C2020 04 16.27120 12 31 24.18 -10 47 55.3 19.8 GVEH017G96
K20H00E C2020 04 16.40934 12 30 39.27 -10 17 41.4 19.8 GVEH017I52
K20H00E C2020 04 16.41049 12 30 38.95 -10 17 26.4 19.9 GVEH017I52
K20H00E C2020 04 16.41165 12 30 38.58 -10 17 11.7 19.9 GVEH017I52
K20H00E C2020 04 16.41280 12 30 38.24 -10 16 56.7 19.9 GVEH017I52
K20H00E KC2020 04 16.58335 12 29 53.09 -09 40 33.8 19.6 VqEH017E23
K20H00E KC2020 04 16.59909 12 29 48.44 -09 37 26.0 19.7 VqEH017E23
K20H00E KC2020 04 16.61483 12 29 43.83 -09 34 20.3 19.7 VqEH017E23
K20H00E KC2020 04 16.89150712 28 36.81 -08 44 24.2 19.6 GVEH017L01
K20H00E KC2020 04 16.89312212 28 36.39 -08 44 06.7 19.9 GVEH017L01
K20H00E KC2020 04 16.89472612 28 35.98 -08 43 49.8 20.0 GVEH017L01
K20H00E KC2020 04 16.89631712 28 35.53 -08 43 32.6 20.0 GVEH017L01
K20H00E KC2020 04 16.89791412 28 35.10 -08 43 15.6 19.8 GVEH017L01
K20H00E C2020 04 16.91952 12 28 29.63 -08 39 31.7 19.8 VVEH017033
K20H00E C2020 04 16.92097 12 28 29.26 -08 39 16.9 20.4 VVEH017033
K20H00E C2020 04 16.92241 12 28 28.89 -08 39 02.1 20.7 VVEH017033
K20H00E KC2020 04 17.19136012 27 30.07 -07 53 49.0 20.0 VqEH017858
K20H00E KC2020 04 17.19964812 27 28.10 -07 52 29.6 19.5 VqEH017858
K20H00E KC2020 04 17.20860312 27 25.97 -07 51 04.5 20.0 VqEH017858
K20H00E C2020 04 17.23543 12 27 19.95 -07 46 48.2 20.1 GVEH017I52
K20H00E C2020 04 17.23634 12 27 19.75 -07 46 39.8 20.2 GVEH017I52
K20H00E C2020 04 17.23724 12 27 19.51 -07 46 31.1 19.9 GVEH017I52
K20H00E C2020 04 17.23815 12 27 19.32 -07 46 22.7 19.9 GVEH017I52
K20H00E C2020 04 18.17349 12 24 33.73 -05 39 51.8 20.2 GVEH017I52
K20H00E C2020 04 18.17491 12 24 33.42 -05 39 42.0 20.4 GVEH017I52
K20H00E C2020 04 18.17777 12 24 32.96 -05 39 22.3 20.9 GVEH017I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, F.
Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m
Schmidt-Cassegrain + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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. Observers R. A. Kowalski, D. C.
Fuls. 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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Orbital elements:
2020 HE Earth MOID = 0.0254 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 20.59546 (2000.0) P Q
n 0.24142838 Peri. 216.27066 +0.47060839 -0.86799211
a 2.5543310 Node 206.75703 +0.86950106 +0.48674953
e 0.9429659 Incl. 20.61128 +0.14998551 -0.09830865
P 4.08 H 23.8 G 0.15 U 8
Residuals in seconds of arc
200416 G96 0.0 0.1- 200416 E23 0.3+ 0.2- 200417 858 0.3+ 0.3+
200416 G96 0.0 0.3+ 200416 L01 0.1- 0.2- 200417 858 0.2+ 0.2+
200416 G96 0.1+ 0.1- 200416 L01 0.0 0.1+ 200417 I52 0.1- 0.0
200416 G96 0.1+ 0.1- 200416 L01 0.1+ 0.0 200417 I52 0.1+ 0.1-
200416 I52 0.4- 0.2- 200416 L01 0.4- 0.3+ 200417 I52 0.3- 0.1+
200416 I52 0.1+ 0.1+ 200416 L01 0.6- 0.4+ 200417 I52 0.0 0.1-
200416 I52 0.1- 0.0 200416 033 0.3- 0.1+ 200418 I52 0.6+ 0.1+
200416 I52 0.1+ 0.3+ 200416 033 0.3- 0.4- 200418 I52 0.4- 0.0
200416 E23 0.3+ 0.3- 200416 033 0.3- 0.8- 200418 I52 0.0 0.2-
200416 E23 0.4+ 0.3+ 200417 858 0.4+ 0.0
Ephemeris:
2020 HE a,e,i = 2.55, 0.94, 21 q = 0.1457
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 03 19 00 06 11.7 -08 33 44 0.5419 0.4665 8.5 161.6 32.4
...
2020 04 03 23 54 25.1 -16 23 46 0.1897 0.8328 25.6 148.7 28.0
...
2020 04 11 21 28 04.5 -63 27 25 0.03681 0.9988 83.8 94.1 20.0
...
2020 04 17 12 28 11.2 -08 24 39 0.1154 1.1141 162.0 16.2 20.2
2020 04 18 12 24 59.2 -06 00 02 0.1360 1.1327 159.7 17.9 20.7
2020 04 19 12 22 41.7 -04 13 48 0.1569 1.1511 157.7 19.3 21.1
...
2020 04 25 12 16 54.2 +00 46 33 0.2851 1.2580 148.5 24.7 22.7
...
2020 05 03 12 16 14.5 +02 47 24 0.4618 1.3926 139.7 27.9 24.1
...
2020 05 18 12 21 16.9 +03 23 37 0.8081 1.6247 126.1 30.2 25.7
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-H17
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