IAA RAS IAA Minor Planet Database

142464 (2002 TC9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1548329805 ± 5.76e-09
Semi-major axis (a)1.2339110858 AU ± 4.13e-10
Inclination (i)16.27692125° ± 1.37e-06
Long. of Asc. Node (Ω)191.80669391° ± 1.89e-06
Arg. of Perihelion (ω)29.34121043° ± 3.81e-06
Mean Anomaly (M)112.09247898° ± 2.27e-06
Mean Motion (n)0.7190953445°/day ± 3.61e-10
Perihelion dist (q)1.04286095 AU ± 7.12e-09
Aphelion dist (Q)1.42496122 AU ± 7.13e-09
Orbital Period1.37064757 yr ± 6.88e-10
Physical Parameters
H (abs. magnitude)18.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.393″
Uncertainty0
Orbit TypeAmor
MOID0.059111 AU
Observations Used4115
Gaia Obs Used8
Oppositions7
Arc Total1991-2017
First Observation Used1991-09-14
Last Observation Used2025-01-24
Observations (6248)
Date Type RA Dec Mag Band Observatory
2021-02-18 09:34:06 s 1 -170677.39 6 +294019.64 9130.0 – C57
2021-02-18 09:54:06 S 08 26 04.644 -41 23 57.19 – V C57
2021-02-18 09:54:06 s 1 -171130.51 0 +293177.03 4240.0 – C57
2021-02-18 10:04:06 S 08 26 03.794 -41 23 50.42 – V C57
2021-02-18 10:04:06 s 1 -171356.15 0 +292754.12 140.0 – C57
2021-02-18 10:14:06 S 08 26 03.202 -41 23 45.53 – V C57
2021-02-18 10:14:06 s 1 -171581.17 6 +292330.15 4920.0 – C57
2021-02-18 10:24:06 S 08 26 02.525 -41 23 37.79 – V C57
2021-02-18 10:24:06 s 1 -171805.58 5 +291905.10 8590.0 – C57
2021-02-18 10:34:06 S 08 26 02.018 -41 23 27.67 – V C57
2021-02-18 10:34:06 s 1 -172029.37 6 +291478.99 1150.0 – C57
2021-02-18 10:44:06 S 08 26 01.351 -41 23 22.81 – V C57
2021-02-18 10:44:06 s 1 -172252.54 6 +291051.80 2570.0 – C57
2021-02-18 10:54:06 S 08 26 00.624 -41 23 15.29 – V C57
2021-02-18 10:54:06 s 1 -172475.09 3 +290623.54 2870.0 – C57
2021-02-18 11:04:06 S 08 26 00.168 -41 23 09.20 – V C57
2021-02-18 11:04:06 s 1 -172697.01 5 +290194.21 2040.0 – C57
2021-02-18 11:14:06 S 08 25 59.220 -41 23 01.64 – V C57
2021-02-18 11:14:06 s 1 -172918.30 9 +289763.80 70.0 – C57
2021-02-18 11:24:06 S 08 25 58.570 -41 22 55.42 – V C57
2021-02-18 11:24:06 s 1 -173138.97 4 +289332.32 6960.0 – C57
2021-02-18 11:34:06 S 08 25 57.677 -41 22 48.86 – V C57
2021-02-18 11:34:06 s 1 -173359.00 6 +288899.77 2710.0 – C57
2021-02-18 11:44:06 S 08 25 57.182 -41 22 40.91 – V C57
2021-02-18 11:44:06 s 1 -173578.40 4 +288466.13 7310.0 – C57
2021-02-18 11:54:06 S 08 25 56.405 -41 22 34.28 – V C57
2021-02-18 11:54:06 s 1 -173797.16 5 +288031.43 750.0 – C57
2021-02-18 12:04:06 S 08 25 55.862 -41 22 27.59 – V C57
2021-02-18 12:04:06 s 1 -174015.28 8 +287595.64 3040.0 – C57
2021-02-18 12:14:06 S 08 25 54.883 -41 22 19.24 – V C57
2021-02-18 12:14:06 s 1 -174232.76 9 +287158.77 4160.0 – C57
2021-02-18 12:24:06 S 08 25 54.132 -41 22 09.73 – V C57
2021-02-18 12:24:06 s 1 -174449.60 7 +286720.83 4120.0 – C57
2021-02-18 12:34:06 S 08 25 53.683 -41 22 04.76 – V C57
2021-02-18 12:34:06 s 1 -174665.79 9 +286281.81 2900.0 – C57
2021-02-18 12:44:06 S 08 25 52.793 -41 21 56.38 – V C57
2021-02-18 12:44:06 s 1 -174881.34 3 +285841.70 510.0 – C57
2021-02-18 12:54:06 S 08 25 52.234 -41 21 51.26 – V C57
2021-02-18 12:54:06 s 1 -175096.23 7 +285400.52 6950.0 – C57
2021-02-18 13:04:06 S 08 25 51.473 -41 21 42.98 – V C57
2021-02-18 13:04:06 s 1 -175310.47 7 +284958.25 2190.0 – C57
2021-02-18 13:14:06 S 08 25 50.882 -41 21 33.88 – V C57
2021-02-18 13:14:06 s 1 -175524.06 3 +284514.90 6250.0 – C57
2021-02-18 13:24:06 S 08 25 50.282 -41 21 29.81 – V C57
2021-02-18 13:24:06 s 1 -175736.99 1 +284070.46 9120.0 – C57
2021-02-18 13:34:06 S 08 25 49.510 -41 21 21.78 – V C57
2021-02-18 13:34:06 s 1 -175949.25 9 +283624.94 780.0 – C57
2021-02-18 13:44:06 S 08 25 48.530 -41 21 15.44 – V C57
2021-02-18 13:44:06 s 1 -176160.86 4 +283178.34 1250.0 – C57
2021-02-18 13:54:06 S 08 25 47.986 -41 21 06.05 – V C57