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 13:54:06 s 1 -176371.80 5 +282730.64 510.0 – C57
2021-02-18 14:04:06 S 08 25 47.494 -41 21 01.37 – V C57
2021-02-18 14:04:06 s 1 -176582.07 9 +282281.86 8560.0 – C57
2021-02-18 14:14:06 S 08 25 46.606 -41 20 51.90 – V C57
2021-02-18 14:14:06 s 1 -176791.68 3 +281832.00 5390.0 – C57
2021-02-18 14:24:06 S 08 25 45.914 -41 20 47.33 – V C57
2021-02-18 14:24:06 s 1 -177000.61 5 +281381.04 1000.0 – C57
2021-02-18 14:34:06 S 08 25 45.257 -41 20 37.32 – V C57
2021-02-18 14:34:06 s 1 -177208.87 2 +280928.99 5390.0 – C57
2021-02-18 14:44:06 S 08 25 44.482 -41 20 31.88 – V C57
2021-02-18 14:44:06 s 1 -177416.45 3 +280475.85 8540.0 – C57
2021-02-18 14:54:06 S 08 25 43.958 -41 20 22.13 – V C57
2021-02-18 14:54:06 s 1 -177623.35 4 +280021.63 470.0 – C57
2021-02-18 15:04:06 S 08 25 43.414 -41 20 20.22 – V C57
2021-02-18 15:04:06 s 1 -177829.57 4 +279566.30 1150.0 – C57
2021-02-18 15:14:06 S 08 25 42.466 -41 20 09.28 – V C57
2021-02-18 15:14:06 s 1 -178035.10 9 +279109.89 590.0 – C57
2021-02-18 15:24:06 S 08 25 41.609 -41 20 03.23 – V C57
2021-02-18 15:24:06 s 1 -178239.95 7 +278652.38 8780.0 – C57
2021-02-18 15:34:06 S 08 25 41.006 -41 19 55.78 – V C57
2021-02-18 15:34:06 s 1 -178444.11 5 +278193.78 5720.0 – C57
2021-02-18 15:44:06 S 08 25 40.286 -41 19 49.73 – V C57
2021-02-18 15:44:06 s 1 -178647.58 2 +277734.08 1400.0 – C57
2021-02-18 15:54:06 S 08 25 39.806 -41 19 43.39 – V C57
2021-02-18 15:54:06 s 1 -178850.35 4 +277273.28 5810.0 – C57
2021-02-18 16:04:06 S 08 25 39.216 -41 19 33.78 – V C57
2021-02-18 16:04:06 s 1 -179052.43 0 +276811.39 8960.0 – C57
2021-02-18 16:14:06 S 08 25 38.206 -41 19 24.92 – V C57
2021-02-18 16:14:06 s 1 -179253.80 5 +276348.40 840.0 – C57
2021-02-18 16:24:06 S 08 25 37.646 -41 19 18.55 – V C57
2021-02-18 16:24:06 s 1 -179454.47 9 +275884.31 1440.0 – C57
2021-02-18 16:34:06 S 08 25 36.742 -41 19 10.42 – V C57
2021-02-18 16:34:06 s 1 -179654.44 8 +275419.12 750.0 – C57
2021-02-18 16:44:06 S 08 25 36.475 -41 19 04.51 – V C57
2021-02-18 16:44:06 s 1 -179853.71 0 +274952.82 8780.0 – C57
2021-02-18 16:54:06 S 08 25 35.460 -41 18 55.15 – V C57
2021-02-18 16:54:06 s 1 -180052.26 1 +274485.43 5520.0 – C57
2021-02-18 17:04:06 S 08 25 34.807 -41 18 48.42 – V C57
2021-02-18 17:04:06 s 1 -180250.10 0 +274016.93 960.0 – C57
2021-02-18 17:14:06 S 08 25 34.147 -41 18 43.70 – V C57
2021-02-18 17:14:06 s 1 -180447.22 4 +273547.33 5100.0 – C57
2021-02-18 17:24:06 S 08 25 33.646 -41 18 35.89 – V C57
2021-02-18 17:24:06 s 1 -180643.63 0 +273076.63 7930.0 – C57
2021-02-18 17:54:06 S 08 25 31.430 -41 18 09.83 – V C57
2021-02-18 17:54:06 s 1 -181228.51 5 +271657.88 8530.0 – C57
2021-02-18 18:14:06 S 08 25 30.238 -41 17 55.14 – V C57
2021-02-18 18:14:06 s 1 -181614.80 0 +270706.51 2300.0 – C57
2021-02-18 18:24:06 S 08 25 29.323 -41 17 47.62 – V C57
2021-02-18 18:24:06 s 1 -181806.84 2 +270229.16 7180.0 – C57
2021-02-18 18:34:06 S 08 25 28.416 -41 17 40.85 – V C57