[Iaude] MPEC X159: 2020 XZ4 [a=1.18,e=0.28,i=7.6,H=24.6]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 13 23:35:11 EST 2020
M.P.E.C. 2020-X159 Issued 2020 December 14, 04:34 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 XZ4
Observations:
K20X04Z* C2020 12 11.46237806 38 31.969+57 42 29.43 21.09wUEX159F51
K20X04Z C2020 12 11.47490306 38 33.411+57 42 50.46 21.11wUEX159F51
K20X04Z C2020 12 11.48745906 38 34.830+57 43 11.00 21.17wUEX159F51
K20X04Z C2020 12 11.50002006 38 36.271+57 43 31.28 21.04wUEX159F51
K20X04Z KC2020 12 12.32294906 41 17.96 +58 06 04.0 20.07GVEX159I52
K20X04Z KC2020 12 12.32547606 41 18.32 +58 06 07.9 20.36GVEX159I52
K20X04Z KC2020 12 12.32799806 41 18.74 +58 06 12.8 20.81GVEX159I52
K20X04Z C2020 12 12.46134706 41 45.585+58 10 19.74 20.77GVEX159F51
K20X04Z C2020 12 12.47968406 41 47.981+58 10 52.06 20.82GVEX159F51
K20X04Z KC2020 12 12.82353806 43 08.05 +58 19 33.6 20.6 GVEX159L01
K20X04Z KC2020 12 12.82827606 43 08.95 +58 19 43.6 20.5 GVEX159L01
K20X04Z KC2020 12 12.88815406 43 21.54 +58 21 41.7 20.0 GVEX159B49
K20X04Z KC2020 12 12.89570006 43 22.78 +58 21 57.9 20.5 GVEX159B49
K20X04Z 1C2020 12 13.76719 06 46 42.03 +58 47 41.7 20.8 VVEX159033
K20X04Z 1C2020 12 13.76927 06 46 42.59 +58 47 46.6 20.6 VVEX159033
K20X04Z 1C2020 12 13.77135 06 46 43.07 +58 47 51.0 21.1 VVEX159033
K20X04Z 1C2020 12 13.77349 06 46 43.60 +58 47 55.8 21.0 VVEX159033
K20X04Z KC2020 12 13.91374 06 47 15.41 +58 53 12.9 20.4 GVEX159204
K20X04Z HC2020 12 13.93778 06 47 20.17 +58 54 04.6 VEX159204
K20X04Z 4C2020 12 14.00613 06 47 38.64 +58 56 43.1 20.3 GVEX159J04
K20X04Z 4C2020 12 14.00807 06 47 39.01 +58 56 47.5 20.5 GVEX159J04
K20X04Z 4C2020 12 14.01001 06 47 39.32 +58 56 51.6 20.5 GVEX159J04
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.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 reflector +
CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman, K. Chambers. Measurers K. Chambers, S. Chastel, T. de Boer, L.
Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer 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.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers A.
Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R. Kresken. 1.0-m
f/4.4 reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic. Measurer
D. Pujagic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2020 XZ4 Earth MOID = 0.0100 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 310.00494 (2000.0) P Q
n 0.77371282 Peri. 242.95484 -0.96059865 -0.24640944
a 1.1751217 Node 282.55126 +0.27784029 -0.86366753
e 0.2768745 Incl. 7.56941 -0.00741610 -0.43972808
P 1.27 H 24.6 G 0.15 U 7
Residuals in seconds of arc
201211 F51 0.1- 0.0 201212 F51 0.2+ 0.1- 201213 033 0.3- 0.2-
201211 F51 0.0 0.0 201212 L01 0.5+ 0.1- 201213 204 0.0 0.3+
201211 F51 0.0 0.1- 201212 L01 0.4+ 0.1- 201213 204 0.3+ 0.2+
201211 F51 0.1+ 0.0 201212 B49 (0.1+ 1.9-) 201214 J04 0.3+ 0.0
201212 I52 0.9- 0.4+ 201212 B49 (0.9- 1.7-) 201214 J04 0.4+ 0.1+
201212 I52 0.7- 0.3- 201213 033 0.7- 0.1- 201214 J04 0.1+ 0.1-
201212 I52 0.1- 0.1+ 201213 033 0.3- 0.1+
201212 F51 0.1+ 0.1+ 201213 033 0.4- 0.2-
Ephemeris:
2020 XZ4 a,e,i = 1.18, 0.28, 8 q = 0.8498
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 14 05 51 32.5 +49 15 33 0.2505 1.1830 136.2 35.4 23.4
...
2020 11 29 06 13 16.6 +53 18 49 0.1598 1.1159 141.6 33.3 22.3
...
2020 12 07 06 27 16.7 +55 53 56 0.1157 1.0794 142.6 33.7 21.5
...
2020 12 13 06 43 37.3 +58 25 01 0.08436 1.0521 141.8 35.4 20.8
2020 12 14 06 47 29.9 +58 55 47 0.07926 1.0475 141.5 35.8 20.7
2020 12 15 06 51 56.4 +59 28 54 0.07419 1.0430 141.0 36.4 20.5
...
2020 12 21 07 45 09.5 +64 04 29 0.04458 1.0161 135.6 42.6 19.5
...
2020 12 29 14 36 22.3 +36 19 46 0.01398 0.9814 81.5 97.7 18.8
...
2021 01 13 17 28 00.5 -43 43 39 0.07547 0.9226 34.9 142.4 26.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X159
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