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
2020-04-19 00:14:43 C 12 55 46.37 +14 24 31.6 V A16
2020-04-19 00:31:06 C 12 55 46.38 +14 24 55.7 V A16
2020-04-19 00:47:30 C 12 55 46.39 +14 25 21.4 V A16
2020-04-19 06:50:51 C 12 55 48.38 +14 34 25.8 V 703
2020-04-19 06:58:25 C 12 55 48.39 +14 34 37.3 V 703
2020-04-19 07:05:58 C 12 55 48.39 +14 34 47.4 V 703
2020-04-19 07:13:32 C 12 55 48.39 +14 35 00.1 V 703
2020-04-19 21:53:07 C 12 55 53.03 +14 56 01.7 V Z80
2020-04-19 21:59:48 C 12 55 53.00 +14 56 10.6 V Z80
2020-04-19 22:06:27 C 12 55 53.00 +14 56 20.7 V Z80
2020-04-20 07:55:40 C 12 55 56.31 +15 10 07.9 V T05
2020-04-20 08:11:50 C 12 55 56.29 +15 10 30.2 V T05
2020-04-20 08:19:34 C 12 55 56.28 +15 10 40.9 V T05
2020-04-20 08:25:58 C 12 55 56.29 +15 10 50.0 V T05
2020-04-21 07:24:21 C 12 56 03.42 +15 41 05.4 V G96
2020-04-21 07:31:46 C 12 56 03.43 +15 41 14.8 V G96
2020-04-21 07:39:11 C 12 56 03.44 +15 41 24.1 V G96
2020-04-21 07:46:36 C 12 56 03.45 +15 41 33.6 V G96
2020-04-22 09:34:24 C 12 56 13.68 +16 13 12.9 V T08
2020-04-22 09:40:04 C 12 56 13.69 +16 13 19.7 V T08
2020-04-22 09:47:40 C 12 56 13.68 +16 13 28.4 V T08
2020-04-22 10:12:05 C 12 56 13.73 +16 13 57.6 V T08
2020-04-22 20:40:19 C 12 56 18.81 +16 25 54.1 t 240
2020-04-22 20:43:40 C 12 56 18.81 +16 25 57.9 t 240
2020-04-22 20:45:56 C 12 56 18.80 +16 26 00.2 t 240
2020-04-23 05:36:08 C 12 56 22.64 +16 35 59.4 U I41
2020-04-23 05:37:26 C 12 56 22.65 +16 36 00.9 U I41
2020-04-23 06:38:25 C 12 56 22.83 +16 37 08.3 U I41
2020-04-23 06:39:41 C 12 56 22.83 +16 37 09.8 U I41
2020-04-23 07:23:19 C 12 56 22.87 +16 37 57.8 V 703
2020-04-23 07:30:57 C 12 56 22.87 +16 38 06.3 V 703
2020-04-23 07:38:35 C 12 56 22.86 +16 38 14.1 V 703
2020-04-23 07:46:13 C 12 56 22.89 +16 38 22.5 V 703
2020-04-25 06:19:17 C 12 56 46.62 +17 25 53.1 U I41
2020-04-25 06:24:44 C 12 56 46.65 +17 25 58.2 U I41
2020-04-25 07:06:10 C 12 56 46.84 +17 26 37.4 U I41
2020-04-25 08:13:44 C 12 56 47.18 +17 27 40.5 U I41
2020-04-26 06:01:43 C 12 57 00.18 +17 47 27.6 U I41
2020-04-26 06:03:02 C 12 57 00.19 +17 47 28.8 U I41
2020-04-26 06:46:54 C 12 57 00.31 +17 48 07.3 V 703
2020-04-26 06:54:27 C 12 57 00.38 +17 48 14.3 V 703
2020-04-26 06:56:07 C 12 57 00.49 +17 48 15.2 U I41
2020-04-26 06:57:25 C 12 57 00.50 +17 48 16.3 U I41
2020-04-26 07:02:00 C 12 57 00.40 +17 48 20.0 V 703
2020-04-26 07:09:33 C 12 57 00.41 +17 48 26.6 V 703
2020-04-26 09:44:54 C 12 57 02.11 +17 50 45.6 V T08
2020-04-26 09:52:54 C 12 57 02.17 +17 50 52.2 V T08
2020-04-26 10:36:03 C 12 57 02.33 +17 51 29.1 V T08
2020-04-26 10:45:18 C 12 57 02.41 +17 51 37.2 V T08
2020-04-27 04:57:58 C 12 57 14.58 +18 06 46.3 U I41