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 09:14:18 s 1 -70956.028 0 +392800.25 9250.0 – C57
2020-04-09 09:44:18 S 12 57 20.690 +06 14 06.50 – V C57
2020-04-09 09:44:18 s 1 -72017.466 0 +392509.72 4060.0 – C57
2020-04-09 10:14:18 S 12 57 20.839 +06 15 41.33 – V C57
2020-04-09 10:14:18 s 1 -73077.328 0 +392211.20 8860.0 – C57
2020-04-09 10:44:18 S 12 57 20.532 +06 16 58.33 – V C57
2020-04-09 10:44:18 s 1 -74135.592 0 +391904.70 3690.0 – C57
2020-04-09 11:14:18 S 12 57 20.606 +06 18 30.49 – V C57
2020-04-09 11:14:18 s 1 -75192.236 0 +391590.22 8560.0 – C57
2020-04-09 11:44:18 S 12 57 20.222 +06 19 54.41 – V C57
2020-04-09 11:44:18 s 1 -76247.238 0 +391267.75 3510.0 – C57
2020-04-09 12:14:18 S 12 57 20.282 +06 21 27.61 – V C57
2020-04-09 12:14:18 s 1 -77300.576 0 +390937.31 8550.0 – C57
2020-04-09 12:44:18 S 12 57 20.110 +06 22 51.38 – V C57
2020-04-09 12:44:18 s 1 -78352.226 0 +390598.88 3720.0 – C57
2020-04-09 13:14:18 S 12 57 19.886 +06 24 15.23 – V C57
2020-04-09 13:14:18 s 1 -79402.167 0 +390252.47 9030.0 – C57
2020-04-09 13:44:18 S 12 57 19.855 +06 25 42.64 – V C57
2020-04-09 13:44:18 s 1 -80450.376 0 +389898.07 4520.0 – C57
2020-04-09 14:14:18 S 12 57 19.824 +06 27 10.84 – V C57
2020-04-09 14:14:18 s 1 -81496.830 0 +389535.69 210.0 – C57
2020-04-09 14:44:18 S 12 57 19.598 +06 28 36.05 – V C57
2020-04-09 14:44:18 s 1 -82541.508 0 +389165.32 3880.0 – C57
2020-04-09 15:13:20 C 12 55 29.29 +06 29 52.1 – q D29
2020-04-09 15:14:18 S 12 57 19.457 +06 30 01.22 – V C57
2020-04-09 15:14:18 s 1 -83584.385 0 +388786.97 7720.0 – C57
2020-04-09 15:30:55 C 12 55 29.11 +06 30 41.4 – q D29
2020-04-09 15:44:18 S 12 57 19.241 +06 31 34.93 – V C57
2020-04-09 15:44:18 s 1 -84625.439 0 +388400.63 1280.0 – C57
2020-04-09 16:14:18 S 12 57 19.198 +06 32 56.51 – V C57
2020-04-09 16:14:18 s 1 -85664.648 0 +388006.31 4550.0 – C57
2020-04-09 16:44:18 S 12 57 19.090 +06 34 15.89 – V C57
2020-04-09 16:44:18 s 1 -86701.989 0 +387603.99 7490.0 – C57
2020-04-09 17:14:18 S 12 57 18.974 +06 35 40.34 – V C57
2020-04-09 17:14:18 s 1 -87737.437 0 +387193.69 80.0 – C57
2020-04-09 17:44:18 S 12 57 18.833 +06 37 12.54 – V C57
2020-04-09 17:44:18 s 1 -88770.971 0 +386775.39 2290.0 – C57
2020-04-09 18:14:18 S 12 57 18.602 +06 38 34.51 – V C57
2020-04-09 18:14:18 s 1 -89802.567 0 +386349.09 4100.0 – C57
2020-04-09 18:44:18 S 12 57 18.595 +06 39 59.51 – V C57
2020-04-09 18:44:18 s 1 -90832.201 0 +385914.80 5490.0 – C57
2020-04-09 19:14:18 S 12 57 18.418 +06 41 24.54 – V C57
2020-04-09 19:14:18 s 1 -91859.851 0 +385472.51 6420.0 – C57
2020-04-09 19:44:18 S 12 57 18.326 +06 42 52.49 – V C57
2020-04-09 19:44:18 s 1 -92885.492 0 +385022.23 6870.0 – C57
2020-04-09 20:14:18 S 12 57 18.103 +06 44 18.20 – V C57
2020-04-09 20:14:18 s 1 -93909.102 0 +384563.93 6820.0 – C57
2020-04-09 20:44:18 S 12 57 17.947 +06 45 44.68 – V C57
2020-04-09 20:44:18 s 1 -94930.656 0 +384097.64 6240.0 – C57
2020-04-09 21:14:18 S 12 57 17.837 +06 47 09.38 – V C57