MPEC 2018-P116: 2018 PZ21
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M.P.E.C. 2018-P116 Issued 2018 Aug. 15, 18:56 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
2018 PZ21
Observations:
K18P21Z* C2018 08 12.36837 20 21 29.623-01 52 17.88 20.2 wUEP116F51
K18P21Z C2018 08 12.37950 20 21 20.716-01 52 48.77 20.2 wUEP116F51
K18P21Z C2018 08 12.39068 20 21 11.761-01 53 19.80 20.6 wUEP116F51
K18P21Z C2018 08 12.40178 20 21 02.902-01 53 50.51 20.5 wUEP116F51
K18P21Z KC2018 08 12.91840720 15 21.10 -02 18 06.5 20.2 GVEP116L01
K18P21Z IC2018 08 12.91994720 15 20.03 -02 18 10.7 VEP116L01
K18P21Z _C2018 08 13.28205020 11 46.920-02 31 31.82 20.6 GUEP116568
K18P21Z _C2018 08 13.28305120 11 46.239-02 31 34.25 20.5 GUEP116568
K18P21Z _C2018 08 13.28400520 11 45.593-02 31 36.60 20.6 GUEP116568
K18P21Z |C2018 08 15.07778 19 56 17.96 -03 31 18.6 20.7 GUEP116807
K18P21Z |C2018 08 15.08168 19 56 15.94 -03 31 25.8 20.7 GUEP116807
K18P21Z |C2018 08 15.08559 19 56 13.92 -03 31 33.1 20.7 GUEP116807
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, L. Wells. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Hrzenjak,
E. Pettarin. Measurer E. Pettarin. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2018 PZ21 Earth MOID = 0.0001 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 323.32913 (2000.0) P Q
n 1.23900974 Peri. 214.99192 -0.96160831 -0.27105310
a 0.8585249 Node 309.22318 +0.26271937 -0.86411227
e 0.2566885 Incl. 3.17387 +0.07929689 -0.42407570
P 0.80 H 26.7 G 0.15 U 7
Residuals in seconds of arc
180812 F51 0.0 0.0 180812 L01 0.4+ 0.0 180813 568 0.2- 0.2-
180812 F51 0.1+ 0.1+ 180812 L01 0.7+ 0.3- 180815 807 0.0 0.1+
180812 F51 0.1- 0.0 180813 568 0.1- 0.2- 180815 807 0.0 0.1+
180812 F51 0.1- 0.0 180813 568 0.2- 0.2- 180815 807 0.0 0.1+
Ephemeris:
2018 PZ21 a,e,i = 0.86, 0.26, 3 q = 0.6382
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 16 05 19 34.9 +11 29 03 0.06437 0.9645 35.0 142.8 27.9
...
2018 07 31 02 36 13.2 +13 55 13 0.02167 1.0140 86.4 92.3 21.7
...
2018 08 08 21 39 40.0 +03 11 05 0.02229 1.0349 159.2 20.3 19.5
...
2018 08 14 20 04 55.9 -02 57 11 0.03824 1.0480 155.3 23.8 20.8
2018 08 15 19 56 49.1 -03 30 29 0.04131 1.0499 153.1 25.9 21.1
2018 08 16 19 49 54.0 -03 59 21 0.04444 1.0518 150.9 27.9 21.3
...
2018 08 22 19 24 22.0 -05 55 01 0.06412 1.0617 140.4 37.4 22.4
...
2018 08 30 19 11 22.3 -07 17 24 0.09162 1.0713 130.3 46.0 23.4
...
2018 09 14 19 10 50.0 -08 38 26 0.1445 1.0779 116.3 56.8 24.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-P116
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