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
1999-12-30 12:34:01 C 01 56 56.09 -84 07 49.4 413
2000-01-03 14:54:56 C 01 47 06.26 -86 35 16.3 413
2000-01-03 14:57:54 C 01 47 05.37 -86 35 20.6 413
2000-01-03 15:01:05 C 01 47 05.12 -86 35 25.2 413
2000-02-07 16:12:19 C 15 15 28.70 -68 36 22.3 413
2000-02-07 16:16:58 C 15 15 28.75 -68 36 12.5 413
2000-03-14 19:23:00 C 15 07 58.13 -27 01 53.6 360
2000-03-14 19:26:15 C 15 07 57.99 -27 01 41.3 360
2000-03-14 19:29:45 C 15 07 57.75 -27 01 28.1 360
2000-04-04 09:15:02 C 14 36 25.31 +01 15 38.1 17.7 c 704
2000-04-04 09:35:58 C 14 36 23.68 +01 16 36.7 17.8 c 704
2000-04-04 09:56:49 C 14 36 22.13 +01 17 35.1 17.6 c 704
2000-04-04 10:17:40 C 14 36 20.58 +01 18 32.6 18.0 c 704
2000-04-04 10:38:30 C 14 36 18.99 +01 19 31.0 17.9 c 704
2000-04-07 08:47:00 c 14 31 25.88 +04 24 58.8 c 699
2000-04-07 09:23:05 c 14 31 23.20 +04 26 29.5 c 699
2000-04-07 09:45:49 c 14 31 21.50 +04 27 26.1 c 699
2000-04-07 10:08:35 c 14 31 19.80 +04 28 22.8 c 699
2000-04-08 10:53:30 C 14 29 37.34 +05 29 04.5 18.5 c 704
2000-04-08 11:14:00 C 14 29 35.77 +05 29 54.3 18.7 c 704
2000-04-08 11:34:10 C 14 29 34.34 +05 30 42.2 18.6 c 704
2000-04-08 17:07:03 C 14 29 12.17 +05 43 57.7 z 402
2000-04-08 17:08:45 C 14 29 12.06 +05 44 02.6 z 402
2000-04-08 17:12:08 C 14 29 11.76 +05 44 09.5 z 402
2000-05-05 23:23:42 C 13 55 57.26 +19 42 05.9 c 071
2000-05-05 23:29:35 C 13 55 57.13 +19 42 09.4 c 071
2000-05-05 23:35:27 C 13 55 56.92 +19 42 11.2 c 071
2000-05-08 20:57:06 C 13 54 07.56 +20 08 53.8 c 071
2000-05-08 21:02:57 C 13 54 07.35 +20 08 57.0 c 071
2002-08-15 11:36:12 C 03 58 29.18 +16 26 21.7 d 291
2002-08-15 11:43:36 C 03 58 30.30 +16 26 18.6 d 291
2002-08-15 11:49:58 C 03 58 31.21 +16 26 14.8 d 291
2009-06-23 05:01:06 C 17 35 05.40 +19 06 15.6 o H55
2009-06-23 05:25:44 C 17 35 04.09 +19 06 14.7 o H55
2009-06-23 05:52:04 C 17 35 02.83 +19 06 13.7 o H55
2010-08-08 05:01:55 C 21 27 25.64 +20 33 07.5 o H21
2010-08-08 05:46:01 C 21 27 23.52 +20 32 57.4 o H21
2010-08-08 06:25:53 C 21 27 21.61 +20 32 48.3 o H21
2013-09-07 04:30:09 C 21 46 38.21 +16 42 02.2 u H21
2013-09-07 04:50:17 C 21 46 37.17 +16 41 49.0 u H21
2013-09-07 05:10:43 C 21 46 36.15 +16 41 35.4 u H21
2013-09-26 02:34:31 C 21 27 44.66 +11 00 31.9 u H21
2013-09-26 02:51:47 C 21 27 44.12 +11 00 17.6 u H21
2013-09-26 02:56:09 C 21 27 43.97 +11 00 14.1 u H21
2013-09-26 03:07:05 C 21 27 43.59 +11 00 05.7 u H21
2016-08-30 13:11:40 C 23 14 29.527 +20 04 19.32 L F51
2016-08-30 13:28:23 C 23 14 28.720 +20 04 11.14 L F51
2016-08-30 13:45:08 C 23 14 27.913 +20 04 03.12 L F51
2016-08-30 14:01:52 C 23 14 27.106 +20 03 54.95 L F51
2016-10-01 07:53:09 C 22 34 11.25 +09 23 24.4 q G96