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 18:34:06 s 1 -181998.14 8 +269750.69 720.0 – C57
2021-02-18 18:44:06 S 08 25 28.152 -41 17 33.72 – V C57
2021-02-18 18:44:06 s 1 -182188.71 5 +269271.12 2910.0 – C57
2021-02-18 18:54:06 S 08 25 27.094 -41 17 29.65 – V C57
2021-02-18 18:54:06 s 1 -182378.53 9 +268790.44 3750.0 – C57
2021-02-18 19:04:06 S 08 25 26.410 -41 17 19.14 – V C57
2021-02-18 19:04:06 s 1 -182567.61 9 +268308.64 3230.0 – C57
2021-02-18 19:14:06 S 08 25 26.062 -41 17 12.70 – V C57
2021-02-18 19:14:06 s 1 -182755.95 1 +267825.72 1340.0 – C57
2021-02-18 19:24:06 S 08 25 25.274 -41 17 03.66 – V C57
2021-02-18 19:24:06 s 1 -182943.53 2 +267341.69 8090.0 – C57
2021-02-18 19:44:06 S 08 25 24.024 -41 16 48.07 – V C57
2021-02-18 19:44:06 s 1 -183316.43 1 +266370.29 7460.0 – C57
2021-02-18 19:54:06 S 08 25 23.239 -41 16 39.86 – V C57
2021-02-18 19:54:06 s 1 -183501.74 3 +265882.91 60.0 – C57
2021-02-18 20:04:06 S 08 25 22.577 -41 16 35.22 – V C57
2021-02-18 20:04:06 s 1 -183686.29 4 +265394.41 1280.0 – C57
2021-02-18 20:14:06 S 08 25 22.051 -41 16 24.60 – V C57
2021-02-18 20:14:06 s 1 -183870.07 9 +264904.79 1100.0 – C57
2021-02-18 20:24:06 S 08 25 20.969 -41 16 18.77 – V C57
2021-02-18 20:24:06 s 1 -184053.09 7 +264414.04 9520.0 – C57
2021-02-18 20:34:06 S 08 25 20.558 -41 16 12.14 – V C57
2021-02-18 20:34:06 s 1 -184235.34 5 +263922.18 6530.0 – C57
2021-02-18 20:44:06 S 08 25 19.927 -41 16 06.89 – V C57
2021-02-18 20:44:06 s 1 -184416.81 9 +263429.20 2130.0 – C57
2021-02-18 23:44:06 S 08 25 07.236 -41 13 41.92 – V C57
2021-02-18 23:44:06 s 1 -187547.67 8 +254362.34 4980.0 – C57
2021-02-18 23:54:06 S 08 25 06.504 -41 13 35.65 – V C57
2021-02-18 23:54:06 s 1 -187713.88 3 +253847.83 2660.0 – C57
2021-02-19 00:34:06 S 08 25 03.746 -41 13 02.96 – V C57
2021-02-19 00:34:06 s 1 -188370.32 1 +251778.38 8030.0 – C57
2021-02-19 00:44:06 S 08 25 03.413 -41 12 57.17 – V C57
2021-02-19 00:44:06 s 1 -188532.31 9 +251258.15 8010.0 – C57
2021-02-19 00:54:06 S 08 25 02.206 -41 12 49.93 – V C57
2021-02-19 00:54:06 s 1 -188693.46 6 +250736.78 6420.0 – C57
2021-02-19 01:04:06 S 08 25 01.546 -41 12 41.18 – V C57
2021-02-19 01:04:06 s 1 -188853.75 9 +250214.25 3280.0 – C57
2021-02-19 01:14:06 S 08 25 00.931 -41 12 34.81 – V C57
2021-02-19 01:14:06 s 1 -189013.19 3 +249690.58 8550.0 – C57
2021-02-19 01:24:06 S 08 25 00.470 -41 12 27.22 – V C57
2021-02-19 01:24:06 s 1 -189171.76 6 +249165.75 2250.0 – C57
2021-02-19 01:34:06 S 08 24 59.578 -41 12 16.88 – V C57
2021-02-19 01:34:06 s 1 -189329.47 5 +248639.78 4370.0 – C57
2021-02-19 01:44:06 S 08 24 58.930 -41 12 09.94 – V C57
2021-02-19 01:44:06 s 1 -189486.31 6 +248112.65 4890.0 – C57
2021-02-19 01:54:06 S 08 24 58.085 -41 12 00.22 – V C57
2021-02-19 01:54:06 s 1 -189642.28 5 +247584.37 3820.0 – C57
2021-02-19 02:04:06 S 08 24 57.482 -41 11 52.62 – V C57
2021-02-19 02:04:06 s 1 -189797.37 9 +247054.93 1140.0 – C57
2021-02-19 02:14:06 S 08 24 57.065 -41 11 47.36 – V C57