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
2020-04-14 22:14:17 s 1 -163121.31 1 + 5439.883 8590.0 – C57
2020-04-14 22:15:02 n 12 55 30.20 +11 33 58.5 – V Z43
2020-04-14 22:31:41 n 12 55 30.14 +11 34 31.7 – V Z43
2020-04-14 22:44:17 n 12 55 30.11 +11 34 56.8 – V Z43
2020-04-14 22:44:17 S 12 55 39.890 +11 37 55.92 – V C57
2020-04-14 22:44:17 s 1 -161343.17 6 + 2723.477 7140.0 – C57
2020-04-14 22:52:09 n 12 55 30.09 +11 35 12.8 – V Z43
2020-04-14 23:14:17 S 12 55 39.000 +11 39 02.99 – V C57
2020-04-14 23:14:17 s 1 -159516.19 6 + 6.267 7150.0 – C57
2020-04-14 23:44:17 S 12 55 38.374 +11 39 59.18 – V C57
2020-04-14 23:44:17 s 1 -157639.22 9 - 2710.925 7330.0 – C57
2020-04-15 00:14:17 S 12 55 37.889 +11 40 50.66 – V C57
2020-04-15 00:14:17 s 1 -155711.10 5 - 5427.215 6350.0 – C57
2020-04-15 00:44:17 S 12 55 37.082 +11 41 49.02 – V C57
2020-04-15 00:44:17 s 1 -153730.62 3 - 8141.658 2840.0 – C57
2020-04-15 01:14:17 S 12 55 36.185 +11 42 47.99 – V C57
2020-04-15 01:14:17 s 1 -151696.55 8 -10853.239 5390.0 – C57
2020-04-15 01:44:17 S 12 55 35.652 +11 43 48.58 – V C57
2020-04-15 01:44:17 s 1 -149607.65 5 -13560.873 2560.0 – C57
2020-04-15 02:14:17 S 12 55 34.966 +11 44 43.69 – V C57
2020-04-15 02:14:17 s 1 -147462.63 5 -16263.396 2860.0 – C57
2020-04-15 02:44:17 S 12 55 34.318 +11 45 47.09 – V C57
2020-04-15 02:44:17 s 1 -145260.19 4 -18959.560 4770.0 – C57
2020-04-15 03:14:17 S 12 55 33.449 +11 46 43.43 – V C57
2020-04-15 03:14:17 s 1 -142999.00 2 -21648.029 6710.0 – C57
2020-04-15 04:14:17 S 12 55 31.954 +11 48 39.89 – V C57
2020-04-15 04:14:17 s 1 -138294.95 1 -26996.057 4210.0 – C57
2020-04-15 05:44:17 S 12 55 29.928 +11 51 23.15 – V C57
2020-04-15 05:44:17 s 1 -130763.95 7 -34921.174 9350.0 – C57
2020-04-15 08:44:17 S 12 55 26.758 +11 56 31.09 – V C57
2020-04-15 08:44:17 s 1 -113853.75 1 -50222.268 6600.0 – C57
2020-04-15 23:10:43 C 12 55 32.51 +12 22 02.4 – V 160
2020-04-15 23:14:07 C 12 55 32.48 +12 22 08.6 – V 160
2020-04-15 23:17:30 C 12 55 32.49 +12 22 15.0 – V 160
2020-04-16 04:06:09 C 12 55 34.24 +12 31 09.2 – V U71
2020-04-16 04:29:02 C 12 55 34.18 +12 31 51.7 – V U71
2020-04-16 04:39:26 C 12 55 34.16 +12 32 10.5 – V U71
2020-04-16 07:13:55 C 12 55 34.610 +12 36 58.16 – U F52
2020-04-16 07:46:02 C 12 55 34.524 +12 37 56.85 – U F52
2020-04-16 23:47:08 C 12 55 36.07 +13 06 13.9 – V 160
2020-04-16 23:50:34 C 12 55 36.06 +13 06 19.4 – V 160
2020-04-16 23:54:01 C 12 55 36.02 +13 06 25.1 – V 160
2020-04-17 23:58:24 C 12 55 40.75 +13 46 41.3 – V A16
2020-04-18 00:14:45 C 12 55 40.74 +13 47 07.8 – V A16
2020-04-18 00:31:08 C 12 55 40.76 +13 47 34.4 – V A16
2020-04-18 00:47:33 C 12 55 40.73 +13 48 00.3 – V A16
2020-04-18 08:58:33 C 12 55 43.27 +14 01 11.2 – V T08
2020-04-18 09:06:37 C 12 55 43.26 +14 01 23.6 – V T08
2020-04-18 09:21:47 C 12 55 43.21 +14 01 47.6 – V T08
2020-04-18 23:58:20 C 12 55 46.39 +14 24 07.1 – V A16