[Iaude] MPEC X209: 2021 XW5 [a=2.06,e=0.54,i=5.9,H=27.4]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 12 20:40:31 EST 2021
M.P.E.C. 2021-X209 Issued 2021 December 13, 00:17 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 XW5
Observations:
K21X05W*HC2021 12 12.23832307 40 48.22 +26 42 15.0 17.98GVEX209703
K21X05W HC2021 12 12.24924307 41 06.88 +26 48 25.6 18.23GVEX209703
K21X05W HC2021 12 12.25470207 41 16.04 +26 51 30.1 18.12GVEX209703
K21X05W mC2021 12 12.30437107 42 36.15 +27 18 34.3 18.21GVEX209I52
K21X05W mC2021 12 12.30453607 42 36.42 +27 18 39.4 18.33GVEX209I52
K21X05W mC2021 12 12.30470007 42 36.69 +27 18 44.8 18.25GVEX209I52
K21X05W mC2021 12 12.30486507 42 36.92 +27 18 49.8 18.15GVEX209I52
K21X05W KC2021 12 12.33832 07 43 25.45 +27 36 14.1 19.3 GVEX209V21
K21X05W KC2021 12 12.34132 07 43 29.73 +27 37 43.5 19.3 GVEX209V21
K21X05W KC2021 12 12.34462 07 43 34.50 +27 39 22.0 19.3 GVEX209V21
K21X05W KC2021 12 12.35367 07 43 47.58 +27 43 51.0 19.4 GVEX209V21
K21X05W KC2021 12 12.35859 07 43 54.50 +27 46 13.9 19.3 GVEX209V21
K21X05W KC2021 12 12.38748 07 44 34.75 +28 00 00.8 18.7 GVEX209V21
K21X05W KC2021 12 12.39498 07 44 45.01 +28 03 29.4 18.6 GVEX209V21
K21X05W mC2021 12 12.41520407 45 14.11 +28 12 33.9 VEX209I52
K21X05W mC2021 12 12.41536907 45 14.34 +28 12 38.7 VEX209I52
K21X05W mC2021 12 12.41553407 45 14.55 +28 12 43.2 VEX209I52
K21X05W mC2021 12 12.41569907 45 14.79 +28 12 47.7 18.56GVEX209I52
K21X05W KC2021 12 12.89107607 56 57.00 +30 59 36.6 19.1 GVEX209B49
K21X05W KC2021 12 12.89231507 56 58.32 +31 00 00.4 18.9 GVEX209B49
K21X05W KC2021 12 12.94218707 57 44.91 +31 15 11.0 18.8 GVEX209203
K21X05W KC2021 12 12.95216 07 57 56.59 +31 18 13.7 19.2 VZEX209K19
K21X05W KC2021 12 12.95535 07 57 59.58 +31 19 09.9 19.3 VZEX209K19
K21X05W KC2021 12 12.95585607 57 57.83 +31 19 13.0 18.8 GVEX209203
K21X05W KC2021 12 12.95854 07 58 02.57 +31 20 06.2 19.7 VZEX209K19
Observer details:
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/5.76 Schmidt-Cassegrain + CCD.
703 Catalina Sky Survey. Observer H. Groeller. 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.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4.0 reflector
+ 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, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos.
K19 PASTIS Observatory, Banon. Observer C. Demeautis. 0.28-m f/2.2 reflector
+ CCD.
V21 Cewanee Observatory at DSNM. Observer D. T. Durig. 0.4-m f/8 Ritchey-
Chretien + 4656x3520 CCD.
Orbital elements:
2021 XW5 Earth MOID = 0.0036 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 20.67030 (2000.0) P Q
n 0.33413111 Peri. 332.19797 +0.61147960 -0.78478696
a 2.0567970 Node 79.92982 +0.74367132 +0.52639996
e 0.5374635 Incl. 5.88810 +0.27026962 +0.32712766
P 2.95 H 27.41 G 0.15 U 7
Residuals in seconds of arc
211212 703 (2.5+ 4.1+) 211212 V21 1.0- 1.0- 211212 B49 (2.3- 1.4-)
211212 703 0.5+ 0.5+ 211212 V21 0.3+ 0.2- 211212 B49 (2.5- 1.2-)
211212 703 0.8- 0.2- 211212 V21 0.5- 1.2- 211212 203 0.3+ 0.0
211212 I52 0.2+ 0.0 211212 V21 0.2- 0.1- 211212 K19 0.5+ 1.0+
211212 I52 0.4+ 0.1- 211212 V21 0.1- 0.1- 211212 K19 0.2+ 0.7+
211212 I52 0.6+ 0.1+ 211212 I52 0.1- 0.3- 211212 203 0.4- 0.2-
211212 I52 0.3+ 0.1- 211212 I52 0.0 0.1+ 211212 K19 0.0 0.7+
211212 V21 0.0 0.2- 211212 I52 0.1- 0.1+
211212 V21 1.1- 1.0- 211212 I52 0.0 0.2+
Ephemeris:
2021 XW5 a,e,i = 2.06, 0.54, 6 q = 0.9513
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 13 20 37 34.2 -42 17 39 0.1469 0.9539 71.8 99.8 26.8
...
2021 11 28 20 55 12.3 -43 16 58 0.06806 0.9558 61.3 115.1 26.0
...
2021 12 06 21 20 20.6 -46 23 10 0.02506 0.9726 58.8 120.0 24.2
...
2021 12 12 07 31 17.7 +24 17 39 0.0084380.9919 149.1 30.7 18.3
2021 12 13 07 58 19.6 +31 34 40 0.01358 0.9955 144.1 35.4 19.5
2021 12 14 08 11 37.8 +34 41 50 0.01888 0.9993 142.0 37.3 20.3
...
2021 12 20 08 33 39.7 +39 24 31 0.05137 1.0249 142.3 36.0 22.5
...
2021 12 28 08 36 08.2 +40 25 53 0.09565 1.0657 147.9 29.4 23.7
...
2022 01 12 08 28 13.8 +40 03 53 0.1855 1.1577 158.2 18.4 25.0
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X209
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