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
2020-04-08 19:44:18 s 1 -41781.403 0 +397621.67 7130.0 – C57
2020-04-08 20:14:18 S 12 57 22.860 +05 34 02.64 – V C57
2020-04-08 20:14:18 s 1 -42877.153 0 +397547.35 1470.0 – C57
2020-04-08 20:44:18 S 12 57 22.855 +05 35 36.46 – V C57
2020-04-08 20:44:18 s 1 -43971.912 0 +397464.98 5120.0 – C57
2020-04-08 21:14:18 S 12 57 22.865 +05 37 13.30 – V C57
2020-04-08 21:14:18 s 1 -45065.660 0 +397374.57 8130.0 – C57
2020-04-08 21:44:18 S 12 57 22.920 +05 38 43.08 – V C57
2020-04-08 21:44:18 s 1 -46158.374 0 +397276.12 500.0 – C57
2020-04-08 22:14:18 S 12 57 22.682 +05 40 12.97 – V C57
2020-04-08 22:14:18 s 1 -47250.033 0 +397169.64 2270.0 – C57
2020-04-08 23:14:18 S 12 57 22.661 +05 43 11.71 – V C57
2020-04-08 23:14:18 s 1 -49430.100 0 +396932.57 4090.0 – C57
2020-04-08 23:44:18 S 12 57 22.481 +05 44 28.97 – V C57
2020-04-08 23:44:18 s 1 -50518.465 0 +396802.00 4200.0 – C57
2020-04-09 00:14:18 S 12 57 22.486 +05 46 15.92 – V C57
2020-04-09 00:14:18 s 1 -51605.689 0 +396663.42 3810.0 – C57
2020-04-09 00:44:18 S 12 57 22.615 +05 47 42.83 – V C57
2020-04-09 00:44:18 s 1 -52691.751 0 +396516.81 2940.0 – C57
2020-04-09 01:14:18 S 12 57 22.133 +05 49 01.02 – V C57
2020-04-09 01:14:18 s 1 -53776.629 0 +396362.19 1610.0 – C57
2020-04-09 01:44:18 S 12 57 22.200 +05 50 38.72 – V C57
2020-04-09 01:44:18 s 1 -54860.301 0 +396199.55 9860.0 – C57
2020-04-09 02:14:18 S 12 57 22.104 +05 52 13.19 – V C57
2020-04-09 02:14:18 s 1 -55942.747 0 +396028.91 7700.0 – C57
2020-04-09 02:44:18 S 12 57 22.097 +05 53 39.08 – V C57
2020-04-09 02:44:18 s 1 -57023.944 0 +395850.27 5170.0 – C57
2020-04-09 03:14:18 S 12 57 21.888 +05 55 01.81 – V C57
2020-04-09 03:14:18 s 1 -58103.870 0 +395663.61 2280.0 – C57
2020-04-09 03:44:18 S 12 57 22.030 +05 56 30.19 – V C57
2020-04-09 03:44:18 s 1 -59182.505 0 +395468.96 9070.0 – C57
2020-04-09 04:14:18 S 12 57 21.720 +05 58 01.02 – V C57
2020-04-09 04:14:18 s 1 -60259.827 0 +395266.31 5550.0 – C57
2020-04-09 04:44:18 S 12 57 21.768 +05 59 29.72 – V C57
2020-04-09 04:44:18 s 1 -61335.814 0 +395055.66 1760.0 – C57
2020-04-09 05:14:18 S 12 57 21.542 +06 00 57.82 – V C57
2020-04-09 05:14:18 s 1 -62410.444 0 +394837.02 7710.0 – C57
2020-04-09 05:44:18 S 12 57 21.492 +06 02 25.51 – V C57
2020-04-09 05:44:18 s 1 -63483.695 0 +394610.38 3440.0 – C57
2020-04-09 06:44:18 S 12 57 21.384 +06 05 20.65 – V C57
2020-04-09 06:44:18 s 1 -65625.976 0 +394133.14 4310.0 – C57
2020-04-09 07:14:18 S 12 57 21.247 +06 06 52.13 – V C57
2020-04-09 07:14:18 s 1 -66694.961 0 +393882.53 9510.0 – C57
2020-04-09 07:44:18 S 12 57 21.266 +06 08 28.46 – V C57
2020-04-09 07:44:18 s 1 -67762.481 0 +393623.94 4570.0 – C57
2020-04-09 08:14:18 S 12 57 21.031 +06 09 42.52 – V C57
2020-04-09 08:14:18 s 1 -68828.514 0 +393357.36 9530.0 – C57
2020-04-09 08:44:18 S 12 57 21.043 +06 11 16.80 – V C57
2020-04-09 08:44:18 s 1 -69893.037 0 +393082.80 4420.0 – C57
2020-04-09 09:14:18 S 12 57 20.866 +06 12 46.94 – V C57