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
2020-04-07 19:44:18 S 12 57 22.841 +04 18 00.25 – V C57
2020-04-07 19:44:18 s 1 +11552.532 0 +391604.58 8550.0 – C57
2020-04-08 04:44:18 S 12 57 23.542 +04 46 34.36 – V C57
2020-04-08 05:44:18 S 12 57 23.539 +04 49 39.47 – V C57
2020-04-08 05:44:18 s 1 -10785.893 0 +396413.48 5340.0 – C57
2020-04-08 06:14:18 S 12 57 23.650 +04 51 06.91 – V C57
2020-04-08 06:14:18 s 1 -11900.586 0 +396566.81 9210.0 – C57
2020-04-08 07:14:18 S 12 57 23.750 +04 54 29.02 – V C57
2020-04-08 07:14:18 s 1 -14128.810 0 +396848.81 2730.0 – C57
2020-04-08 07:44:18 S 12 57 23.642 +04 55 53.44 – V C57
2020-04-08 07:44:18 s 1 -15242.297 0 +396977.49 2440.0 – C57
2020-04-08 08:14:18 S 12 57 23.700 +04 57 24.26 – V C57
2020-04-08 08:14:18 s 1 -16355.336 0 +397097.97 830.0 – C57
2020-04-08 09:44:18 S 12 57 23.544 +05 02 00.17 – V C57
2020-04-08 09:44:18 s 1 -19691.552 0 +397410.27 8250.0 – C57
2020-04-08 10:14:18 S 12 57 23.676 +05 03 41.76 – V C57
2020-04-08 10:14:18 s 1 -20802.583 0 +397498.02 1580.0 – C57
2020-04-08 11:14:18 S 12 57 23.678 +05 06 46.58 – V C57
2020-04-08 11:14:18 s 1 -23022.950 0 +397649.03 4660.0 – C57
2020-04-08 11:44:18 S 12 57 23.522 +05 08 18.85 – V C57
2020-04-08 11:44:18 s 1 -24132.242 0 +397712.31 4470.0 – C57
2020-04-08 12:14:18 S 12 57 23.438 +05 09 47.92 – V C57
2020-04-08 12:14:18 s 1 -25240.912 0 +397767.45 3170.0 – C57
2020-04-08 12:44:18 S 12 57 23.510 +05 11 32.06 – V C57
2020-04-08 12:44:18 s 1 -26348.936 0 +397814.45 770.0 – C57
2020-04-08 13:14:18 S 12 57 23.441 +05 12 57.13 – V C57
2020-04-08 13:14:18 s 1 -27456.294 0 +397853.32 7310.0 – C57
2020-04-08 14:14:18 S 12 57 23.366 +05 16 05.09 – V C57
2020-04-08 14:14:18 s 1 -29668.922 0 +397906.70 7290.0 – C57
2020-04-08 14:44:18 S 12 57 23.354 +05 17 34.80 – V C57
2020-04-08 14:44:18 s 1 -30774.148 0 +397921.23 790.0 – C57
2020-04-08 15:14:18 S 12 57 23.465 +05 18 59.36 – V C57
2020-04-08 15:14:18 s 1 -31878.621 0 +397927.65 3320.0 – C57
2020-04-08 15:44:18 S 12 57 23.294 +05 20 38.69 – V C57
2020-04-08 15:44:18 s 1 -32982.319 0 +397925.97 4920.0 – C57
2020-04-08 16:14:18 S 12 57 23.309 +05 22 03.94 – V C57
2020-04-08 16:14:18 s 1 -34085.220 0 +397916.20 5610.0 – C57
2020-04-08 16:44:18 S 12 57 23.287 +05 23 36.42 – V C57
2020-04-08 16:44:18 s 1 -35187.303 0 +397898.34 5420.0 – C57
2020-04-08 17:14:18 S 12 57 23.210 +05 25 16.43 – V C57
2020-04-08 17:14:18 s 1 -36288.545 0 +397872.40 4370.0 – C57
2020-04-08 17:44:18 S 12 57 23.141 +05 26 34.80 – V C57
2020-04-08 17:44:18 s 1 -37388.926 0 +397838.39 2480.0 – C57
2020-04-08 18:14:18 S 12 57 23.256 +05 28 06.96 – V C57
2020-04-08 18:14:18 s 1 -38488.423 0 +397796.30 9790.0 – C57
2020-04-08 18:44:18 S 12 57 23.126 +05 29 39.66 – V C57
2020-04-08 18:44:18 s 1 -39587.017 0 +397746.15 6320.0 – C57
2020-04-08 19:14:18 S 12 57 22.915 +05 31 12.07 – V C57
2020-04-08 19:14:18 s 1 -40684.683 0 +397687.94 2090.0 – C57
2020-04-08 19:44:18 S 12 57 22.843 +05 32 35.27 – V C57