IAA RAS IAA Minor Planet Database

373428 (1999 TC5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5466854463 ± 1.10e-08
Semi-major axis (a)2.0159534200 AU ± 1.42e-09
Inclination (i)29.12911566° ± 9.10e-06
Long. of Asc. Node (Ω)192.28539183° ± 3.36e-06
Arg. of Perihelion (ω)282.74531599° ± 7.31e-06
Mean Anomaly (M)13.08913926° ± 3.99e-06
Mean Motion (n)0.3443432200°/day ± 3.64e-10
Perihelion dist (q)0.91386102 AU ± 2.22e-08
Aphelion dist (Q)3.11804582 AU ± 2.23e-08
Orbital Period2.86233684 yr ± 3.03e-09
Physical Parameters
H (abs. magnitude)18.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.442″
Uncertainty0
Orbit TypeApollo
MOID0.186661 AU
Observations Used797
Oppositions16
Arc Total1999-2023
First Observation Used1999-10-04
Last Observation Used2023-06-21
Observations (1062)
Date Type RA Dec Mag Band Observatory
2020-04-09 21:14:18 s 1 -95950.130 0 +383623.33 5100.0 – C57
2020-04-09 21:44:18 S 12 57 17.628 +06 48 29.66 – V C57
2020-04-09 21:44:18 s 1 -96967.501 0 +383141.02 3370.0 – C57
2020-04-09 22:14:18 S 12 57 17.453 +06 49 52.79 – V C57
2020-04-09 22:14:18 s 1 -97982.745 0 +382650.69 1040.0 – C57
2020-04-09 22:44:18 S 12 57 17.374 +06 51 21.92 – V C57
2020-04-09 22:44:18 s 1 -98995.838 0 +382152.34 8080.0 – C57
2020-04-09 23:05:37 C 12 55 28.46 +06 51 52.2 – V 160
2020-04-09 23:08:31 C 12 55 28.42 +06 52 00.3 – V 160
2020-04-09 23:11:03 C 12 55 28.38 +06 52 07.4 – V 160
2020-04-09 23:14:18 S 12 57 17.234 +06 52 38.32 – V C57
2020-04-09 23:14:18 s 1 -100006.75 5 +381645.98 4450.0 – C57
2020-04-09 23:44:18 S 12 57 17.112 +06 54 04.18 – V C57
2020-04-09 23:44:18 s 1 -101015.47 1 +381131.59 140.0 – C57
2020-04-10 00:44:18 S 12 57 16.620 +06 56 56.33 – V C57
2020-04-10 00:44:18 s 1 -103026.20 6 +380078.72 9350.0 – C57
2020-04-10 01:14:18 S 12 57 16.517 +06 58 14.27 – V C57
2020-04-10 01:14:18 s 1 -104028.17 5 +379540.24 2820.0 – C57
2020-04-10 01:44:18 S 12 57 16.130 +06 59 38.04 – V C57
2020-04-10 01:44:18 s 1 -105027.84 5 +378993.72 5500.0 – C57
2020-04-10 02:14:18 S 12 57 16.075 +07 01 10.45 – V C57
2020-04-10 02:14:18 s 1 -106025.19 2 +378439.16 7350.0 – C57
2020-04-10 02:44:18 S 12 57 15.986 +07 02 29.18 – V C57
2020-04-10 02:44:18 s 1 -107020.18 9 +377876.55 8360.0 – C57
2020-04-10 03:14:18 S 12 57 15.888 +07 03 54.18 – V C57
2020-04-10 03:14:18 s 1 -108012.81 3 +377305.90 8500.0 – C57
2020-04-10 03:44:18 S 12 57 15.715 +07 05 17.41 – V C57
2020-04-10 03:44:18 s 1 -109003.03 7 +376727.18 7740.0 – C57
2020-04-10 04:14:18 S 12 57 15.475 +07 06 36.68 – V C57
2020-04-10 04:14:18 s 1 -109990.83 5 +376140.41 6050.0 – C57
2020-04-10 04:44:18 S 12 57 15.290 +07 07 58.26 – V C57
2020-04-10 04:44:18 s 1 -110976.18 3 +375545.57 3400.0 – C57
2020-04-10 05:14:18 S 12 57 15.182 +07 09 22.36 – V C57
2020-04-10 05:14:18 s 1 -111959.05 5 +374942.66 9780.0 – C57
2020-04-10 05:26:04 C 12 55 28.16 +07 09 21.2 – u H21
2020-04-10 05:27:38 C 12 55 28.13 +07 09 25.2 – u H21
2020-04-10 05:29:35 C 12 55 28.10 +07 09 30.8 – u H21
2020-04-10 05:31:32 C 12 55 28.12 +07 09 36.0 – u H21
2020-04-10 05:33:30 C 12 55 28.10 +07 09 41.5 – u H21
2020-04-10 05:35:27 C 12 55 28.09 +07 09 46.8 – u H21
2020-04-10 05:37:24 C 12 55 28.06 +07 09 52.1 – u H21
2020-04-10 05:39:38 C 12 55 28.06 +07 09 58.1 – u H21
2020-04-10 06:44:18 S 12 57 14.532 +07 13 33.89 – V C57
2020-04-10 06:44:18 s 1 -114892.54 8 +373085.46 2740.0 – C57
2020-04-10 07:14:18 S 12 57 14.328 +07 14 56.90 – V C57
2020-04-10 07:14:18 s 1 -115865.25 1 +372450.22 4910.0 – C57
2020-04-10 07:44:18 S 12 57 14.244 +07 16 19.96 – V C57
2020-04-10 07:44:18 s 1 -116835.34 6 +371806.88 5970.0 – C57
2020-04-10 08:14:18 S 12 57 14.131 +07 17 40.45 – V C57
2020-04-10 08:14:18 s 1 -117802.80 6 +371155.44 5870.0 – C57