MPEC 2021-T105 : 2021 TX2
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M.P.E.C. 2021-T105 Issued 2021 October 6, 04:31 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 TX2
Observations:
K21T02X C2021 09 26.44022322 58 00.959+03 58 23.68 22.34GVET105F52
K21T02X C2021 09 26.45164122 57 59.410+03 58 16.71 22.63GVET105F52
K21T02X C2021 09 30.28959022 49 31.835+03 12 41.53 21.89GVET105F52
K21T02X C2021 09 30.30237722 49 29.533+03 12 30.53 21.53GVET105F52
K21T02X C2021 09 30.31521122 49 27.214+03 12 19.57 21.68GVET105F52
K21T02X* C2021 10 04.31920422 37 03.331+01 58 30.72 21.54wUET105F52
K21T02X C2021 10 04.33125822 37 00.160+01 58 14.09 21.37wUET105F52
K21T02X C2021 10 04.34333722 36 56.990+01 57 57.11 21.55wUET105F52
K21T02X C2021 10 04.35541722 36 53.836+01 57 40.03 21.32wUET105F52
K21T02X C2021 10 04.48552322 36 20.218+01 54 35.37 21.31GVET105F51
K21T02X C2021 10 04.48616822 36 20.049+01 54 34.44 21.31GVET105F51
K21T02X |C2021 10 05.03370 22 34 17.77 +01 42 30.2 21.1 VuET105807
K21T02X |C2021 10 05.03931 22 34 16.24 +01 42 19.6 20.0 VuET105807
K21T02X |C2021 10 05.04482 22 34 14.66 +01 42 12.6 20.7 VuET105807
K21T02X |C2021 10 05.09529 22 34 00.61 +01 40 55.8 21.3 GVET105807
K21T02X |C2021 10 05.09782 22 33 59.89 +01 40 52.0 21.2 GVET105807
K21T02X |C2021 10 05.10036 22 33 59.17 +01 40 48.1 21.2 GVET105807
K21T02X |C2021 10 06.07383 22 29 47.13 +01 14 12.0 21.1 VuET105807
K21T02X |C2021 10 06.07929 22 29 45.42 +01 14 02.6 21.2 VuET105807
K21T02X |C2021 10 06.08474 22 29 43.77 +01 13 53.3 20.3 VuET105807
K21T02X KC2021 10 06.13029722 29 32.95 +01 10 40.9 21.1 GXET105858
K21T02X KC2021 10 06.13838522 29 30.48 +01 10 26.5 21.5 GXET105858
K21T02X KC2021 10 06.14675422 29 27.84 +01 10 11.9 21.5 GXET105858
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 astrograph + CCD, 1.00-m f/10.0 astrograph + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, J. Fairlamb,
H. Gao, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2021 TX2 Earth MOID = 0.0026 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Bell
M 308.18753 (2000.0) P Q
n 0.36922130 Peri. 226.95220 +0.31355261 -0.94929698
a 1.9243241 Node 204.80169 +0.88625391 +0.30118306
e 0.5462090 Incl. 3.11626 +0.34093807 +0.09013332
P 2.67 H 25.16 G 0.15 U 7
Residuals in seconds of arc
210926 F52 0.1- 0.3+ 211004 F52 0.0 0.2- 211005 807 0.0 0.1-
210926 F52 0.1+ 0.0 211004 F51 0.1+ 0.1- 211006 807 0.6- 0.1+
210930 F52 0.2- 0.0 211004 F51 0.0 0.1- 211006 807 0.6- 0.2+
210930 F52 0.1- 0.0 211005 807 0.8+ 0.3+ 211006 807 0.2+ 0.4+
210930 F52 0.0 0.1+ 211005 807 (1.0+ 1.8-) 211006 858 0.2- 0.1+
211004 F52 0.4+ 0.1- 211005 807 0.1+ 0.4- 211006 858 0.4+ 0.1+
211004 F52 0.0 0.1+ 211005 807 0.3+ 0.2- 211006 858 0.1- 0.3+
211004 F52 0.1- 0.1- 211005 807 0.1+ 0.1-
Ephemeris:
2021 TX2 a,e,i = 1.92, 0.55, 3 q = 0.8732
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 09 06 23 20 48.5 +05 05 32 0.3015 1.3037 167.1 9.9 23.8
...
2021 09 21 23 06 54.2 +04 38 23 0.1839 1.1841 167.4 10.7 22.5
...
2021 09 29 22 52 38.5 +03 30 29 0.1294 1.1228 157.9 19.7 22.0
...
2021 10 05 22 34 23.9 +01 42 32 0.09148 1.0786 147.8 29.6 21.4
2021 10 06 22 30 06.9 +01 15 28 0.08538 1.0715 145.7 31.7 21.3
2021 10 07 22 25 16.2 +00 44 24 0.07935 1.0644 143.5 33.9 21.2
...
2021 10 13 21 32 34.6 -05 03 02 0.04507 1.0235 123.7 54.2 20.5
...
2021 10 21 15 48 27.5 -24 02 53 0.02549 0.9742 32.9 146.3 24.9
...
2021 11 05 12 16 13.7 -12 06 00 0.1094 0.9043 35.1 140.9 27.1
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-T105
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