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
2020-04-12 10:14:17 s 1 -195487.63 1 +263351.43 8050.0 – C57
2020-04-12 10:30:22 C 12 55 26.63 +09 24 17.6 – V T05
2020-04-12 11:44:17 S 12 56 43.896 +09 29 35.81 – V C57
2020-04-12 11:44:17 s 1 -197000.38 7 +258732.76 1700.0 – C57
2020-04-12 13:44:17 S 12 56 42.286 +09 34 16.61 – V C57
2020-04-12 13:44:17 s 1 -198913.51 0 +252439.07 5720.0 – C57
2020-04-12 15:44:17 S 12 56 40.649 +09 38 58.56 – V C57
2020-04-12 15:44:17 s 1 -200702.97 2 +245989.06 2680.0 – C57
2020-04-12 16:44:17 S 12 56 39.876 +09 41 22.38 – V C57
2020-04-12 16:44:17 s 1 -201549.56 2 +242704.92 8100.0 – C57
2020-04-12 17:14:17 S 12 56 39.456 +09 42 31.10 – V C57
2020-04-12 17:14:17 s 1 -201960.49 9 +241047.97 5980.0 – C57
2020-04-12 18:14:17 S 12 56 38.623 +09 44 54.46 – V C57
2020-04-12 18:14:17 s 1 -202757.17 6 +237704.19 1650.0 – C57
2020-04-12 18:44:17 S 12 56 38.153 +09 46 04.91 – V C57
2020-04-12 18:44:17 s 1 -203142.72 1 +236017.29 9250.0 – C57
2020-04-12 19:44:17 S 12 56 37.322 +09 48 23.98 – V C57
2020-04-12 19:44:17 s 1 -203887.72 1 +232613.37 3510.0 – C57
2020-04-12 20:14:17 S 12 56 36.905 +09 49 32.95 – V C57
2020-04-12 20:14:17 s 1 -204246.97 0 +230896.29 9970.0 – C57
2020-04-12 20:44:17 S 12 56 36.324 +09 50 43.48 – V C57
2020-04-12 20:44:17 s 1 -204597.24 5 +229169.09 9190.0 – C57
2020-04-12 21:14:17 S 12 56 36.067 +09 51 58.97 – V C57
2020-04-12 21:14:17 s 1 -204938.43 8 +227431.74 1060.0 – C57
2020-04-12 22:14:17 S 12 56 35.321 +09 54 09.36 – V C57
2020-04-12 22:14:17 s 1 -205593.14 1 +223926.48 2340.0 – C57
2020-04-13 01:14:17 S 12 56 32.513 +10 01 09.98 – V C57
2020-04-13 01:14:17 s 1 -207327.53 4 +213164.27 8700.0 – C57
2020-04-13 01:44:17 S 12 56 32.011 +10 02 13.16 – V C57
2020-04-13 01:44:17 s 1 -207581.84 3 +211334.32 9550.0 – C57
2020-04-13 04:14:17 S 12 56 29.285 +10 08 10.79 – V C57
2020-04-13 04:14:17 s 1 -208696.79 1 +202027.57 4250.0 – C57
2020-04-13 08:14:17 S 12 56 25.814 +10 16 54.98 – V C57
2020-04-13 08:14:17 s 1 -209903.96 0 +186585.47 2130.0 – C57
2020-04-13 10:14:17 S 12 56 23.854 +10 21 26.78 – V C57
2020-04-13 10:14:17 s 1 -210220.67 0 +178606.16 8930.0 – C57
2020-04-13 10:47:42 C 12 55 27.09 +10 19 42.9 – V T08
2020-04-13 10:51:43 C 12 55 27.06 +10 19 51.9 – V T08
2020-04-13 10:59:50 C 12 55 27.02 +10 20 10.1 – V T08
2020-04-13 11:14:03 C 12 55 26.93 +10 20 41.0 – V T08
2020-04-13 11:44:17 S 12 56 22.469 +10 24 48.28 – V C57
2020-04-13 11:44:17 s 1 -210323.89 8 +172507.29 7130.0 – C57
2020-04-13 13:14:17 S 12 56 20.854 +10 28 02.57 – V C57
2020-04-13 13:14:17 s 1 -210306.51 2 +166309.59 1950.0 – C57
2020-04-13 15:14:17 S 12 56 18.698 +10 32 28.46 – V C57
2020-04-13 15:14:17 s 1 -210086.51 6 +157891.16 8650.0 – C57
2020-04-13 15:44:17 S 12 56 18.163 +10 33 32.90 – V C57
2020-04-13 15:44:17 s 1 -209994.98 0 +155758.76 6160.0 – C57
2020-04-13 17:14:17 S 12 56 16.774 +10 36 51.05 – V C57
2020-04-13 17:14:17 s 1 -209629.14 0 +149294.54 9260.0 – C57