[Iaude] MPEC X11: 2021 WY4 [a=4.76,e=0.94,i=13.5,H=20.6]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Dec 1 07:58:19 EST 2021
M.P.E.C. 2021-X11 Issued 2021 December 1, 12:51 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
2021 WY4
Observations:
K21W04Y* C2021 11 28.27707422 37 56.236+22 03 52.98 20.95wUEX011F51
K21W04Y C2021 11 28.29048522 38 04.202+22 03 57.94 21.02wUEX011F51
K21W04Y C2021 11 28.30390922 38 12.181+22 04 02.86 21.19wUEX011F51
K21W04Y C2021 11 28.31734022 38 20.154+22 04 07.76 21.47wUEX011F51
K21W04Y KC2021 11 29.02930122 45 17.60 +22 08 08.3 uEX011H21
K21W04Y KC2021 11 29.04374522 45 25.67 +22 08 12.2 20.7 VuEX011H21
K21W04Y KC2021 11 29.04831122 45 28.22 +22 08 13.9 20.9 VuEX011H21
K21W04Y KC2021 11 30.01709722 54 25.03 +22 12 02.2 20.9 VuEX011H21
K21W04Y KC2021 11 30.02343722 54 28.41 +22 12 03.5 21.2 VuEX011H21
K21W04Y mC2021 11 30.08041322 54 58.94 +22 12 15.8 21.33GVEX011I52
K21W04Y mC2021 11 30.08202222 54 59.77 +22 12 16.3 21.82GVEX011I52
K21W04Y mC2021 11 30.08432622 55 01.06 +22 12 16.0 21.34GVEX011I52
K21W04Y mC2021 11 30.08463122 55 01.12 +22 12 16.3 21.40GVEX011I52
K21W04Y KC2021 11 30.99540723 02 54.26 +22 14 12.1 21.4 VuEX011H21
K21W04Y KC2021 12 01.00421723 02 58.66 +22 14 13.2 21.1 VuEX011H21
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD,
0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. Rankin. 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, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos.
Orbital elements:
2021 WY4 Earth MOID = 0.1965 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 9.67269 (2000.0) P Q
n 0.09497092 Peri. 7.29068 +0.24144628 +0.94232129
a 4.7578303 Node 276.88694 -0.90170892 +0.12957475
e 0.9350279 Incl. 13.50270 -0.35864288 +0.30861135
P 10.4 H 20.61 G 0.15 U 9
Residuals in seconds of arc
211128 F51 0.3- 0.1+ 211129 H21 0.2+ 0.8- 211130 I52 0.2- 0.2+
211128 F51 0.1- 0.0 211129 H21 0.3- 0.4- 211130 I52 0.8+ 0.5-
211128 F51 0.1+ 0.0 211130 H21 0.2- 0.5- 211130 I52 0.6- 0.3-
211128 F51 0.3+ 0.0 211130 H21 0.0 0.3- 211130 H21 0.1- 0.6+
211129 H21 (1.5+ 0.5-) 211130 I52 0.0 0.1- 211201 H21 0.1+ 0.9+
Ephemeris:
2021 WY4 a,e,i = 4.76, 0.94, 14 q = 0.3091
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 01 16 29 11.1 -03 37 09 0.4776 0.6437 32.6 123.9 23.2
...
2021 11 16 19 45 54.9 +14 52 09 0.3282 0.9439 72.5 88.1 21.2
...
2021 11 24 21 48 54.7 +21 05 48 0.3876 1.0931 95.2 64.1 21.0
...
2021 11 30 22 54 15.5 +22 12 05 0.4781 1.2003 104.7 52.6 21.3
2021 12 01 23 02 56.1 +22 14 17 0.4956 1.2178 105.7 51.2 21.4
2021 12 02 23 11 04.7 +22 15 03 0.5136 1.2352 106.6 49.9 21.5
...
2021 12 08 23 50 48.2 +22 02 32 0.6306 1.3375 109.8 43.9 21.9
...
2021 12 16 00 27 21.7 +21 34 15 0.8032 1.4689 110.1 39.0 22.5
...
2021 12 31 01 11 41.0 +21 02 27 1.1572 1.7016 105.0 33.9 23.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X11
More information about the Iaude
mailing list