[Iaude] MPEC J102: 2016 WQ48 [a=2.94,e=0.68,i=24.4,H=18.2]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat May 8 10:41:52 EDT 2021
M.P.E.C. 2021-J102 Issued 2021 May 8, 14:40 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2016 WQ48
Revision to MPEC 2016-X31
Additional Observations:
K16W48Q |C2021 04 10.40248 20 43 03.05 -47 48 31.6 21.4 GVEJ102807
K16W48Q |C2021 04 10.40617 20 43 04.10 -47 48 30.1 21.2 GVEJ102807
K16W48Q |C2021 04 10.40986 20 43 05.14 -47 48 28.5 21.1 GVEJ102807
K16W48Q HC2021 04 11.13207 20 46 31.98 -47 42 50.4 VEJ102L81
K16W48Q KC2021 04 11.14086 20 46 34.50 -47 42 46.8 21.0 GVEJ102L81
K16W48Q HC2021 04 11.14885 20 46 36.81 -47 42 42.9 VEJ102L81
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
L81 Skygems Namibia Remote Observatory. Observers L. Buzzi, L. Demetz.
Measurer L. Buzzi. 0.51-m f/6.7 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
210410 807 0.06+ 0.04+ 210411 L81 0.06+ 0.04+ MPO496067 +0.10 days
Orbital elements:
2016 WQ48 Earth MOID = 0.0785 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 319.36075 (2000.0) P Q
n 0.19592667 Peri. 2.33443 +0.96648787 +0.22656635
a 2.9358938 Node 343.02990 -0.24172169 +0.64486338
e 0.6830720 Incl. 24.42755 -0.08643967 +0.72994445
P 5.03 H 18.25 G 0.15 U 2
Residuals in seconds of arc
161127 F51 0.4+ 0.0 161203 033 0.6+ 0.1- 170101 H21 0.8+ 0.4-
161127 F51 0.5+ 0.0 161203 033 1.1+ 0.2+ 170101 H21 0.5+ 0.2-
161127 F51 0.3+ 0.0 161203 033 0.5+ 0.1- 170101 H21 0.4+ 0.2+
161201 705 0.4+ 0.2+ 161203 033 0.5+ 0.2+ 170130 F51 0.0 0.2-
161201 705 0.4+ 0.3+ 161203 033 1.0+ 0.0 170130 F51 0.0 0.1+
161201 705 0.4+ 0.1+ 161203 033 0.6+ 0.1- 170130 F51 0.2+ 0.1+
161202 705 0.1+ 0.0 161203 033 0.8+ 0.0 170217 F51 0.0 0.1+
161202 705 0.3+ 0.0 161209 291 0.5+ 0.1+ 170217 F51 0.1- 0.0
161202 705 0.3+ 0.1- 161209 291 0.5+ 0.3- 210410 807 0.0 0.0
161202 I52 0.3- 0.6+ 161209 291 0.7+ 0.0 210410 807 0.0 0.1-
161202 I52 0.0 0.9- 161210 291 0.1+ 0.2- 210410 807 0.0 0.1-
161202 I52 0.1- 0.2- 161210 291 0.7- 0.1+ 210411 L81 0.7- 0.5+
161203 033 0.6+ 0.5- 161210 291 1.0- 0.0 210411 L81 0.5- 0.1+
161203 033 0.9+ 0.1+ 161220 291 1.8- 0.2- 210411 L81 0.1- 0.3+
161203 033 0.7+ 0.1- 161220 291 2.0- 0.4+
161203 033 0.5+ 0.0 161220 291 1.2- 0.1+
Ephemeris:
2016 WQ48 a,e,i = 2.94, 0.68, 24 q = 0.9305
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 08 20 31 40.0 -48 04 40 1.3841 1.5835 81.5 38.7 21.5
...
2021 04 23 21 44 20.0 -45 13 21 1.1891 1.4429 81.8 43.6 21.1
...
2021 05 01 22 23 34.8 -42 23 25 1.0994 1.3689 80.9 46.6 20.9
...
2021 05 07 22 52 30.7 -39 35 01 1.0393 1.3143 79.8 49.1 20.8
2021 05 08 22 57 15.8 -39 03 25 1.0299 1.3053 79.6 49.5 20.7
2021 05 09 23 01 59.4 -38 30 47 1.0207 1.2963 79.4 49.9 20.7
...
2021 05 15 23 29 47.5 -34 53 29 0.9697 1.2434 77.7 52.6 20.6
...
2021 05 23 00 05 10.2 -29 07 20 0.9134 1.1757 75.1 56.3 20.4
...
2021 06 07 01 06 19.9 -15 46 01 0.8472 1.0624 68.9 63.0 20.3
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-J102
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