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
2020-03-31 04:29:26 C 12 56 04.19 -08 01 18.5 – V U71
2020-03-31 04:34:32 C 12 56 04.09 -08 00 53.4 – V U71
2020-03-31 04:39:52 C 12 56 04.12 -08 00 27.3 – V U71
2020-03-31 05:01:20 C 12 56 03.94 -07 58 40.9 – V U71
2020-03-31 05:06:25 C 12 56 03.90 -07 58 15.6 – V U71
2020-03-31 21:16:04 C 12 56 00.39 -06 39 31.4 – q 557
2020-03-31 21:45:59 C 12 56 00.14 -06 37 08.3 – q 557
2020-03-31 22:15:55 C 12 55 59.87 -06 34 45.4 – q 557
2020-03-31 22:46:10 C 12 55 59.60 -06 32 20.7 – q 557
2020-03-31 23:15:14 C 12 55 59.67 -06 30 02.3 – V Z80
2020-03-31 23:16:04 C 12 55 59.31 -06 29 57.8 – q 557
2020-03-31 23:17:44 C 12 55 59.66 -06 29 50.9 – V Z80
2020-03-31 23:20:14 C 12 55 59.65 -06 29 38.6 – V Z80
2020-03-31 23:22:43 C 12 55 59.61 -06 29 26.4 – V Z80
2020-03-31 23:46:01 C 12 55 59.02 -06 27 35.3 – q 557
2020-04-01 00:15:27 C 12 55 58.73 -06 25 14.5 – q 557
2020-04-01 00:45:24 C 12 55 58.48 -06 22 52.3 – q 557
2020-04-01 01:15:18 C 12 55 58.21 -06 20 30.0 – q 557
2020-04-01 18:57:58 C 12 55 56.92 -04 58 01.7 – V L18
2020-04-01 18:59:44 C 12 55 56.95 -04 57 53.2 – V L18
2020-04-01 19:01:30 C 12 55 56.89 -04 57 46.3 – V L18
2020-04-01 19:03:15 C 12 55 56.92 -04 57 38.4 – V L18
2020-04-01 19:05:01 C 12 55 56.93 -04 57 29.7 – V L18
2020-04-01 20:46:19 C 12 55 56.31 -04 49 48.2 – q 557
2020-04-01 21:14:57 C 12 55 56.08 -04 47 38.4 – q 557
2020-04-01 21:45:12 C 12 55 55.83 -04 45 21.2 – q 557
2020-04-01 22:31:09 C 12 55 55.43 -04 41 53.2 – q 557
2020-04-01 22:56:38 C 12 55 55.19 -04 39 58.2 – q 557
2020-04-01 23:21:59 C 12 55 54.96 -04 38 03.5 – q 557
2020-04-02 00:29:26 C 12 55 54.33 -04 32 59.0 – q 557
2020-04-02 01:00:33 C 12 55 54.06 -04 30 39.1 – q 557
2020-04-02 01:29:52 C 12 55 53.82 -04 28 27.1 – q 557
2020-04-02 02:00:06 C 12 55 53.56 -04 26 11.1 – q 557
2020-04-02 06:57:11 C 12 55 53.90 -04 03 58.4 – V G96
2020-04-02 07:04:39 C 12 55 53.81 -04 03 25.3 – V G96
2020-04-02 07:12:06 C 12 55 53.73 -04 02 52.3 – V G96
2020-04-02 07:17:40 C 12 55 53.61 -04 02 26.8 – V 703
2020-04-02 07:19:33 C 12 55 53.65 -04 02 19.1 – V G96
2020-04-02 07:25:17 C 12 55 53.59 -04 01 53.9 – V 703
2020-04-02 07:32:54 C 12 55 53.50 -04 01 19.9 – V 703
2020-04-02 07:40:31 C 12 55 53.41 -04 00 46.4 – V 703
2020-04-02 20:30:13 C 12 55 52.05 -03 04 52.9 – q 557
2020-04-02 20:46:47 C 12 55 50.68 -03 03 38.1 – V 186
2020-04-02 20:49:43 C 12 55 50.63 -03 03 25.5 – V 186
2020-04-02 20:52:55 C 12 55 50.59 -03 03 11.7 – V 186
2020-04-02 20:56:07 C 12 55 50.56 -03 02 57.9 – V 186
2020-04-02 21:01:01 C 12 55 51.82 -03 02 40.7 – q 557
2020-04-02 21:29:52 C 12 55 51.58 -03 00 36.9 – q 557
2020-04-02 22:01:49 C 12 55 51.31 -02 58 20.0 – q 557
2020-04-02 22:30:49 C 12 55 51.05 -02 56 15.9 – q 557