[Iaude] MPEC X136: 2021 XE3 [a=1.80,e=0.46,i=2.2,H=27.1]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 6 18:56:39 EST 2021
M.P.E.C. 2021-X136 Issued 2021 December 6, 23:55 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 XE3
Observations:
K21X03E C2021 12 04.24136 01 47 54.89 -09 49 16.9 21.2 GVEX136G96
K21X03E C2021 12 04.24867 01 47 54.76 -09 49 43.9 21.8 GVEX136G96
K21X03E C2021 12 04.25390 01 47 54.70 -09 50 01.9 21.1 GVEX136G96
K21X03E* C2021 12 06.15350101 51 17.41 -12 17 39.7 21.66GVEX136G96
K21X03E C2021 12 06.15917501 51 17.54 -12 18 13.5 20.85GVEX136G96
K21X03E C2021 12 06.16484601 51 17.68 -12 18 46.5 21.67GVEX136G96
K21X03E C2021 12 06.17052901 51 17.74 -12 19 19.7 21.08GVEX136G96
K21X03E C2021 12 06.18509901 51 16.87 -12 20 52.4 21.2 GVEX136H01
K21X03E C2021 12 06.19109801 51 16.98 -12 21 27.5 20.9 GVEX136H01
K21X03E C2021 12 06.19854901 51 17.16 -12 22 11.4 20.8 GVEX136H01
K21X03E C2021 12 06.20587001 51 17.32 -12 22 54.1 21.1 GVEX136H01
K21X03E KC2021 12 06.25222201 51 19.62 -12 27 20.7 21.29GVEX136I52
K21X03E KC2021 12 06.25529001 51 19.71 -12 27 39.1 21.24GVEX136I52
K21X03E KC2021 12 06.25835901 51 19.80 -12 27 56.8 21.17GVEX136I52
K21X03E KC2021 12 06.26142801 51 19.90 -12 28 14.9 20.99GVEX136I52
K21X03E KC2021 12 06.86369 01 53 01.57 -13 35 35.0 20.1 RVEX136K51
K21X03E KC2021 12 06.86627 01 53 01.76 -13 35 53.4 20.1 RVEX136K51
K21X03E KC2021 12 06.86893 01 53 01.92 -13 36 12.6 19.9 RVEX136K51
Observer details:
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. Measurers B. Gray, D.
Rankin, F. C. Shelly, 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, R. L. Seaman, 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.
K51 Osservatorio del Celado, Castello Tesino. Observers G. Favero, R.
Furgoni. Measurer R. Furgoni. 0.80-m f/4 reflector + CCD.
Orbital elements:
2021 XE3 Earth MOID = 0.0050 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 10.08376 (2000.0) P Q
n 0.40840203 Peri. 9.80348 -0.15067657 -0.98783814
a 1.7991918 Node 88.86993 +0.90438806 -0.15341471
e 0.4615602 Incl. 2.19951 +0.39922275 -0.02529322
P 2.41 H 27.18 G 0.15 U 8
Residuals in seconds of arc
211204 G96 0.6+ 0.1+ 211206 G96 0.3- 0.4+ 211206 I52 0.1+ 0.1-
211204 G96 0.1- 0.4- 211206 H01 0.0 0.2- 211206 I52 0.1- 0.2+
211204 G96 0.3- 0.4+ 211206 H01 0.2- 0.0 211206 I52 0.3- 0.1+
211206 G96 0.5- 0.4- 211206 H01 0.0 0.1- 211206 K51 0.1+ 0.0
211206 G96 0.2- 0.6- 211206 H01 0.1- 0.1+ 211206 K51 0.3+ 0.1+
211206 G96 0.4+ 0.1+ 211206 I52 0.2+ 0.3+ 211206 K51 0.0 0.0
Ephemeris:
2021 XE3 a,e,i = 1.80, 0.46, 2 q = 0.9688
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 06 01 52 56.5 -00 17 02 0.1521 1.1351 159.5 17.8 24.3
...
2021 11 21 01 45 37.9 -03 35 49 0.08680 1.0580 142.4 34.7 23.4
...
2021 11 29 01 44 50.4 -06 15 13 0.05476 1.0247 133.1 44.7 22.6
...
2021 12 05 01 49 03.7 -10 36 59 0.03130 1.0041 125.7 52.9 21.6
2021 12 06 01 50 54.1 -11 59 10 0.02744 1.0011 124.3 54.4 21.4
2021 12 07 01 53 28.9 -13 46 55 0.02359 0.9982 122.8 56.1 21.1
...
2021 12 13 09 13 06.4 -67 34 30 0.0054030.9835 79.7 100.0 19.4
...
2021 12 21 13 23 35.5 -06 19 47 0.03267 0.9717 67.4 110.9 23.9
...
2022 01 05 13 37 02.2 -01 00 36 0.08973 0.9742 81.6 93.2 25.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X136
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