[Iaude] MPEC X211: 2021 XZ5 [a=0.93,e=0.16,i=11.6,H=28.2]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 13 05:21:57 EST 2021
M.P.E.C. 2021-X211 Issued 2021 December 13, 10:20 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 XZ5
Observations:
K21X05Z* C2021 12 12.24754501 26 08.48 +53 25 02.9 20.41GVEX211G96
K21X05Z C2021 12 12.25330801 26 08.51 +53 26 25.0 19.81GVEX211G96
K21X05Z C2021 12 12.25908001 26 08.55 +53 27 46.3 20.16GVEX211G96
K21X05Z C2021 12 12.26486001 26 08.78 +53 29 07.2 19.85GVEX211G96
K21X05Z mC2021 12 12.33508001 26 16.97 +53 44 25.2 19.96GVEX211I52
K21X05Z mC2021 12 12.33592001 26 17.07 +53 44 35.1 20.04GVEX211I52
K21X05Z mC2021 12 12.33634001 26 17.25 +53 44 40.0 20.47GVEX211I52
K21X05Z HC2021 12 12.87102 01 29 50.34 +55 40 29.0 21 GVEX211204
K21X05Z 2C2021 12 12.94357 01 29 53.59 +55 53 31.8 20.9 GVEX211Z84
K21X05Z 2C2021 12 12.95575 01 29 53.27 +55 55 13.9 20.9 GVEX211Z84
K21X05Z 2C2021 12 12.96813 01 29 53.19 +55 56 54.7 21.2 GVEX211Z84
K21X05Z KC2021 12 13.06130601 31 23.89 +56 13 29.2 XEX211858
K21X05Z KC2021 12 13.06919801 31 23.03 +56 14 50.5 21.4 GXEX211858
K21X05Z KC2021 12 13.07818201 31 21.99 +56 16 22.2 21.0 GXEX211858
K21X05Z C2021 12 13.29555501 31 04.70 +56 45 02.6 20.6 GVEX211H01
K21X05Z C2021 12 13.30079101 31 04.96 +56 45 33.8 20.4 GVEX211H01
K21X05Z C2021 12 13.30951401 31 05.54 +56 46 25.4 20.9 GVEX211H01
K21X05Z C2021 12 13.31680001 31 06.12 +56 47 07.9 20.8 GVEX211H01
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
G96 Mt. Lemmon 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. 1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + 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.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli, E. Petrescu, L. Conversi. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2021 XZ5 Earth MOID = 0.0012 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Bell
M 147.66413 (2000.0) P Q
n 1.09256597 Peri. 241.08630 +0.73621560 +0.64742480
a 0.9336217 Node 77.83261 -0.52923974 +0.73226652
e 0.1602291 Incl. 11.62912 -0.42177231 +0.21125071
P 0.90 H 28.29 G 0.15 U 5
Residuals in seconds of arc
211212 G96 0.1+ 0.2+ 211212 I52 0.4+ 0.0 211213 858 0.4+ 0.3-
211212 G96 0.1+ 0.0 211212 204 0.1+ 0.4- 211213 858 0.0 0.2+
211212 G96 0.5- 0.3- 211212 Z84 0.2+ 0.1+ 211213 H01 0.2- 0.2+
211212 G96 0.1+ 0.2- 211212 Z84 0.1+ 0.2+ 211213 H01 0.2- 0.0
211212 I52 0.2+ 0.7+ 211212 Z84 0.2+ 0.0 211213 H01 0.1- 0.0
211212 I52 0.4- 0.2+ 211213 858 0.9+ 0.1- 211213 H01 0.1- 0.0
Ephemeris:
2021 XZ5 a,e,i = 0.93, 0.16, 12 q = 0.7840
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 13 14 03 00.6 -60 57 22 0.1211 0.9078 44.8 129.8 29.2
...
2021 11 28 13 50 55.2 -64 12 09 0.05306 0.9528 49.1 128.5 27.4
...
2021 12 06 14 01 46.7 -69 09 13 0.01741 0.9750 53.0 126.2 24.8
...
2021 12 12 01 25 17.1 +52 06 13 0.0098620.9907 127.7 51.9 20.2
2021 12 13 01 30 42.9 +56 00 37 0.01426 0.9932 127.1 52.3 21.0
2021 12 14 01 34 11.3 +58 03 44 0.01869 0.9956 126.5 52.7 21.6
...
2021 12 20 01 44 18.5 +61 51 11 0.04540 1.0098 123.7 54.1 23.6
...
2021 12 28 01 54 20.7 +62 48 54 0.08101 1.0270 120.5 55.6 24.9
...
2022 01 12 02 21 13.2 +62 56 40 0.1472 1.0536 114.7 58.0 26.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X211
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