MPEC 2021-W110 : 2021 WO2
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M.P.E.C. 2021-W110 Issued 2021 November 29, 14:21 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
2021 WO2
Observations:
K21W02O* C2021 11 28.29833603 00 17.99 +04 44 59.8 19.52GVEW110703
K21W02O C2021 11 28.30365503 00 14.60 +04 46 39.9 20.29GVEW110703
K21W02O C2021 11 28.30897503 00 11.40 +04 48 18.1 19.81GVEW110703
K21W02O C2021 11 28.31430303 00 07.98 +04 49 55.1 19.39GVEW110703
K21W02O mC2021 11 28.32482203 00 01.42 +04 53 08.8 19.73GVEW110I52
K21W02O mC2021 11 28.32518403 00 01.20 +04 53 15.2 19.47GVEW110I52
K21W02O mC2021 11 28.36564402 59 36.42 +05 05 31.6 19.54GVEW110I52
K21W02O mC2021 11 28.36850302 59 34.71 +05 06 22.9 19.99GVEW110I52
K21W02O mC2021 11 28.36867002 59 34.61 +05 06 26.1 20.21GVEW110I52
K21W02O mC2021 11 28.36883502 59 34.51 +05 06 29.1 19.79GVEW110I52
K21W02O KC2021 11 28.94504 02 54 38.93 +07 45 49.8 19.7 GVEW110I93
K21W02O KC2021 11 28.94836 02 54 37.16 +07 46 40.0 19.7 GVEW110I93
K21W02O KC2021 11 28.95159 02 54 35.54 +07 47 29.8 19.3 GVEW110I93
K21W02O KC2021 11 28.95984102 54 30.06 +07 49 35.4 19.5 GVEW110104
K21W02O KC2021 11 28.96360302 54 28.08 +07 50 32.5 19.3 GVEW110104
K21W02O KC2021 11 28.96799202 54 25.87 +07 51 39.3 VEW110104
K21W02O mC2021 11 29.12748702 53 18.62 +08 31 21.3 19.71GVEW110I52
K21W02O mC2021 11 29.12765302 53 18.51 +08 31 23.9 19.97GVEW110I52
K21W02O mC2021 11 29.12930202 53 17.69 +08 31 48.3 19.19GVEW110I52
K21W02O KC2021 11 29.14000602 53 09.60 +08 34 11.8 19.9 VuEW110H21
K21W02O KC2021 11 29.14281302 53 08.19 +08 34 52.3 19.9 VuEW110H21
K21W02O |C2021 11 29.14360 02 53 05.67 +08 37 30.5 19.9 VuEW110807
K21W02O KC2021 11 29.14561802 53 06.80 +08 35 32.9 19.9 VuEW110H21
K21W02O |C2021 11 29.14750 02 53 03.69 +08 38 27.0 19.6 VuEW110807
K21W02O KC2021 11 29.14842402 53 05.40 +08 36 13.3 19.9 VuEW110H21
K21W02O KC2021 11 29.15123002 53 04.01 +08 36 53.7 19.7 VuEW110H21
K21W02O |C2021 11 29.15143 02 53 01.75 +08 39 23.2 19.7 VuEW110807
K21W02O KC2021 11 29.15941202 53 02.19 +08 38 58.6 19.7 GXEW110858
K21W02O KC2021 11 29.16358002 53 00.12 +08 39 58.4 19.5 GXEW110858
K21W02O KC2021 11 29.16755502 52 58.13 +08 40 55.4 19.5 GXEW110858
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
703 Catalina Sky Survey. Observer K. W. Wierzchos. 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. 0.68-m Schmidt + 10K CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 astrograph + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
Orbital elements:
2021 WO2 Earth MOID = 0.0326 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 124.81105 (2000.0) P Q
n 1.04960795 Peri. 227.51299 +0.38536256 +0.88313299
a 0.9589250 Node 66.98535 -0.73820199 +0.46900201
e 0.5420084 Incl. 16.89775 -0.55367276 -0.01064136
P 0.94 H 24.69 G 0.15 U 7
Residuals in seconds of arc
211128 703 0.2+ 1.4- 211128 I93 0.4+ 0.0 211129 H21 0.0 0.1+
211128 703 0.6- 0.5+ 211128 I93 0.2- 0.4- 211129 807 0.4- 0.4-
211128 703 1.4+ 0.6+ 211128 I93 0.7+ 0.2+ 211129 H21 0.0 0.3+
211128 703 0.0 0.5- 211128 104 0.9+ 0.2+ 211129 807 0.7- 0.1+
211128 I52 0.4- 0.3+ 211128 104 0.4+ 0.3+ 211129 H21 0.1- 0.3+
211128 I52 0.3- 0.0 211128 104 (1.1+ 0.7+) 211129 H21 0.0 0.3+
211128 I52 0.3- 0.2+ 211129 I52 0.5+ 0.1- 211129 807 0.2- 0.1-
211128 I52 0.0 0.2- 211129 I52 0.1+ 0.0 211129 858 0.2+ 0.1+
211128 I52 0.0 0.1+ 211129 I52 0.0 0.4+ 211129 858 0.1+ 0.1-
211128 I52 0.0 0.0 211129 H21 0.1+ 0.2+ 211129 858 0.2- 0.1-
Ephemeris:
2021 WO2 a,e,i = 0.96, 0.54, 17 q = 0.4392
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 10 30 13 46 46.3 -37 26 57 0.2798 0.7481 24.7 146.3 29.1
...
2021 11 14 13 05 19.1 -47 35 43 0.1100 0.9076 39.8 135.8 26.0
...
2021 11 22 07 51 28.9 -63 22 59 0.03716 0.9847 84.3 93.5 20.8
...
2021 11 28 03 03 21.8 +03 09 36 0.05706 1.0386 154.9 23.8 19.7
2021 11 29 02 54 13.5 +08 00 48 0.06637 1.0472 155.5 23.0 20.0
2021 11 30 02 47 17.5 +11 38 55 0.07614 1.0558 154.9 23.3 20.3
...
2021 12 06 02 27 06.8 +22 07 35 0.1394 1.1051 147.1 29.0 21.9
...
2021 12 14 02 20 32.8 +26 48 20 0.2291 1.1655 138.3 34.2 23.2
...
2021 12 29 02 25 57.1 +30 02 50 0.4067 1.2633 125.4 39.4 24.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-W110
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