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
2020-04-02 23:03:32 C 12 55 50.75 -02 53 56.0 – q 557
2020-04-02 23:30:29 C 12 55 50.50 -02 52 00.9 – q 557
2020-04-03 00:01:36 C 12 55 50.24 -02 49 48.2 – q 557
2020-04-03 00:31:43 C 12 55 49.98 -02 47 39.6 – q 557
2020-04-03 01:00:45 C 12 55 49.74 -02 45 36.1 – q 557
2020-04-03 01:31:34 C 12 55 49.48 -02 43 25.4 – q 557
2020-04-03 10:31:46 C 12 55 48.69 -02 05 22.6 – V T05
2020-04-03 10:36:24 C 12 55 48.61 -02 05 03.8 – V T05
2020-04-03 11:01:30 C 12 55 48.36 -02 03 19.4 – V T05
2020-04-03 23:54:02 C 12 55 46.15 -01 10 51.4 – V 160
2020-04-03 23:56:57 C 12 55 46.05 -01 10 40.2 – V 160
2020-04-03 23:59:52 C 12 55 46.08 -01 10 28.3 – V 160
2020-04-04 05:36:41 C 12 55 46.19 -00 47 57.6 – V 703
2020-04-04 05:44:31 C 12 55 46.11 -00 47 26.6 – V 703
2020-04-04 05:52:22 C 12 55 46.03 -00 46 55.4 – V 703
2020-04-04 06:00:12 C 12 55 45.96 -00 46 24.3 – V 703
2020-04-04 15:25:54 C 12 55 44.07 -00 09 28.0 – q D29
2020-04-04 15:44:27 C 12 55 43.88 -00 08 16.2 – q D29
2020-04-04 16:02:59 C 12 55 43.69 -00 07 04.6 – q D29
2020-04-04 20:49:35 C 12 55 43.45 +00 11 11.4 – – L04
2020-04-04 20:57:00 C 12 55 43.37 +00 11 39.3 – – L04
2020-04-04 23:24:10 C 12 55 42.64 +00 20 59.2 – V Z80
2020-04-04 23:29:11 C 12 55 42.65 +00 21 17.5 – V Z80
2020-04-04 23:34:11 C 12 55 42.53 +00 21 35.7 – V Z80
2020-04-06 05:43:35 C 12 55 37.87 +02 11 51.0 – u H21
2020-04-06 05:45:59 C 12 55 37.86 +02 11 59.5 – u H21
2020-04-06 05:48:38 C 12 55 37.84 +02 12 08.9 – u H21
2020-04-06 05:51:09 C 12 55 37.80 +02 12 17.7 – u H21
2020-04-06 05:53:40 C 12 55 37.79 +02 12 26.7 – u H21
2020-04-06 05:56:11 C 12 55 37.76 +02 12 35.4 – u H21
2020-04-06 05:58:42 C 12 55 37.73 +02 12 44.5 – u H21
2020-04-06 06:01:13 C 12 55 37.72 +02 12 53.1 – u H21
2020-04-06 06:03:45 C 12 55 37.67 +02 13 02.0 – u H21
2020-04-06 06:06:16 C 12 55 37.66 +02 13 11.1 – u H21
2020-04-06 06:08:39 C 12 55 37.66 +02 13 19.4 – u H21
2020-04-06 06:10:32 C 12 55 37.60 +02 13 26.1 – u H21
2020-04-06 20:44:18 S 12 57 17.906 +03 02 15.29 – V C57
2020-04-06 20:44:18 s 1 +62413.319 0 +367531.78 8880.0 – C57
2020-04-06 21:14:18 S 12 57 18.149 +03 04 02.10 – V C57
2020-04-06 21:14:18 s 1 +61328.644 0 +368255.50 3280.0 – C57
2020-04-06 22:14:18 S 12 57 18.518 +03 07 17.15 – V C57
2020-04-06 22:14:18 s 1 +59155.185 0 +369675.42 1430.0 – C57
2020-04-06 22:44:18 S 12 57 18.545 +03 09 07.13 – V C57
2020-04-06 22:44:18 s 1 +58066.466 0 +370371.66 5260.0 – C57
2020-04-06 23:14:18 S 12 57 18.643 +03 10 39.68 – V C57
2020-04-06 23:14:18 s 1 +56976.464 0 +371058.79 5650.0 – C57
2020-04-06 23:44:18 S 12 57 18.842 +03 12 15.23 – V C57
2020-04-06 23:44:18 s 1 +55885.213 0 +371736.81 2640.0 – C57
2020-04-07 00:14:18 S 12 57 19.159 +03 13 56.68 – V C57
2020-04-07 00:14:18 s 1 +54792.744 0 +372405.76 6260.0 – C57