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
2019-10-31 10:40:59 C 00 38 27.60 -21 11 42.2 V T05
2019-10-31 10:41:38 C 00 38 27.60 -21 11 43.4 V T05
2019-10-31 10:42:18 C 00 38 27.48 -21 11 46.4 V T05
2019-10-31 10:42:57 C 00 38 27.46 -21 11 46.9 V T05
2019-11-01 05:26:02 C 00 37 30.43 -22 00 20.3 V 703
2019-11-01 05:34:15 C 00 37 29.88 -22 00 41.8 V 703
2019-11-01 05:42:28 C 00 37 29.51 -22 01 03.1 V 703
2019-11-01 05:50:40 C 00 37 28.96 -22 01 24.1 V 703
2019-11-02 05:26:32 C 00 36 17.68 -23 01 55.5 V G96
2019-11-02 05:34:10 C 00 36 17.26 -23 02 15.0 V G96
2019-11-02 05:41:50 C 00 36 16.85 -23 02 34.3 V G96
2019-11-02 05:49:31 C 00 36 16.42 -23 02 53.8 V G96
2019-11-02 07:31:40 C 00 36 11.74 -23 07 11.8 V T05
2019-11-02 07:41:26 C 00 36 11.20 -23 07 36.4 V T05
2019-11-02 07:47:14 C 00 36 10.88 -23 07 51.2 V T05
2019-11-02 07:53:40 C 00 36 10.53 -23 08 07.7 V T05
2019-11-04 03:40:52 C 00 34 02.79 -24 58 09.7 V 703
2019-11-04 03:48:37 C 00 34 02.39 -24 58 28.1 V 703
2019-11-04 03:56:23 C 00 34 01.91 -24 58 47.9 V 703
2019-11-04 04:04:09 C 00 34 01.56 -24 59 07.7 V 703
2020-02-27 22:17:46 S 11 59 56.484 -81 25 11.89 L C51
2020-02-28 01:26:05 S 12 01 25.920 -81 14 51.32 L C51
2020-02-28 03:00:20 S 12 02 09.754 -81 09 38.92 L C51
2020-02-28 07:42:44 S 12 04 15.984 -80 53 54.53 L C51
2020-02-28 09:16:59 S 12 04 56.885 -80 48 37.30 L C51
2020-03-19 04:15:25 C 12 55 33.09 -38 00 09.5 V W88
2020-03-19 04:30:35 C 12 55 33.08 -37 58 24.6 V W88
2020-03-19 04:45:34 C 12 55 33.06 -37 56 40.6 V W88
2020-03-19 05:00:21 C 12 55 33.05 -37 54 57.9 V W88
2020-03-19 05:15:17 C 12 55 33.01 -37 53 14.0 V W88
2020-03-19 11:27:53 C 12 55 36.60 -37 10 29.0 V T08
2020-03-19 11:35:38 C 12 55 36.57 -37 09 34.8 V T08
2020-03-19 11:40:26 C 12 55 36.56 -37 09 01.3 V T08
2020-03-19 11:55:25 C 12 55 36.48 -37 07 16.8 V T08
2020-03-21 11:39:12 C 12 55 59.83 -31 35 51.7 V T05
2020-03-21 12:04:26 C 12 55 59.67 -31 32 57.5 V T05
2020-03-21 12:08:27 C 12 55 59.63 -31 32 29.8 V T05
2020-03-26 03:56:27 C 12 56 16.13 -19 15 15.7 q Y00
2020-03-26 03:58:07 C 12 56 16.11 -19 15 03.5 q Y00
2020-03-26 03:59:43 C 12 56 15.99 -19 14 52.7 q Y00
2020-03-28 11:28:47 C 12 56 11.84 -13 46 38.0 V T08
2020-03-28 11:33:26 C 12 56 11.78 -13 46 11.6 V T08
2020-03-28 11:42:11 C 12 56 11.69 -13 45 22.1 V T08
2020-03-28 11:58:12 C 12 56 11.48 -13 43 51.4 V T08
2020-03-28 20:24:08 C 12 56 12.04 -12 56 47.6 V L18
2020-03-28 20:26:09 C 12 56 12.00 -12 56 36.8 V L18
2020-03-28 20:28:30 C 12 56 11.97 -12 56 24.1 V L18
2020-03-28 23:51:03 C 12 56 10.28 -12 37 40.9 V L54
2020-03-29 00:08:51 C 12 56 10.11 -12 36 02.5 V L54
2020-03-29 00:27:52 C 12 56 09.92 -12 34 17.2 V L54