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
2020-04-11 15:14:17 S 12 56 58.344 +08 39 14.62 V C57
2020-04-11 15:14:17 s 1 -171373.58 8 +314587.25 5940.0 C57
2020-04-11 16:44:17 S 12 56 57.377 +08 43 01.81 V C57
2020-04-11 16:44:17 s 1 -173570.24 9 +311018.15 4690.0 C57
2020-04-11 17:14:18 S 12 56 57.142 +08 44 16.37 V C57
2020-04-11 17:14:18 s 1 -174292.54 2 +309810.75 7380.0 C57
2020-04-11 18:14:17 S 12 56 56.362 +08 46 49.40 V C57
2020-04-11 18:14:17 s 1 -175721.94 6 +307369.31 2140.0 C57
2020-04-11 18:44:18 S 12 56 56.198 +08 48 04.50 V C57
2020-04-11 18:44:18 s 1 -176428.95 5 +306135.23 4110.0 C57
2020-04-11 19:14:17 S 12 56 55.495 +08 49 18.34 V C57
2020-04-11 19:14:17 s 1 -177130.76 9 +304892.23 2410.0 C57
2020-04-11 19:44:17 S 12 56 55.531 +08 50 31.16 V C57
2020-04-11 19:44:17 s 1 -177827.33 5 +303640.27 6990.0 C57
2020-04-11 20:14:18 S 12 56 55.356 +08 51 50.33 V C57
2020-04-11 20:14:18 s 1 -178518.60 1 +302379.35 7810.0 C57
2020-04-11 20:48:50 C 12 55 27.21 +08 51 11.8 t L04
2020-04-11 20:54:29 C 12 55 27.18 +08 51 25.6 t L04
2020-04-11 21:00:31 C 12 55 27.13 +08 51 40.6 t L04
2020-04-11 21:44:18 S 12 56 54.209 +08 55 31.69 V C57
2020-04-11 21:44:18 s 1 -180560.06 9 +298542.59 7130.0 C57
2020-04-11 22:14:17 S 12 56 53.849 +08 56 47.15 V C57
2020-04-11 22:14:17 s 1 -181229.60 0 +297245.62 2360.0 C57
2020-04-11 22:44:17 S 12 56 53.448 +08 58 02.50 V C57
2020-04-11 22:44:17 s 1 -181893.56 1 +295939.58 3570.0 C57
2020-04-11 23:14:18 S 12 56 53.052 +08 59 15.65 V C57
2020-04-11 23:14:18 s 1 -182551.89 4 +294624.45 690.0 C57
2020-04-11 23:27:31 C 12 55 26.64 +08 57 40.3 V 160
2020-04-11 23:30:28 C 12 55 26.60 +08 57 47.4 V 160
2020-04-11 23:33:26 C 12 55 26.58 +08 57 55.1 V 160
2020-04-11 23:44:17 S 12 56 52.877 +09 00 28.08 V C57
2020-04-11 23:44:17 s 1 -183204.54 3 +293300.23 3690.0 C57
2020-04-12 01:44:17 S 12 56 51.274 +09 05 17.30 V C57
2020-04-12 01:44:17 s 1 -185757.12 8 +287911.91 3210.0 C57
2020-04-12 03:14:17 S 12 56 50.364 +09 09 04.03 V C57
2020-04-12 03:14:17 s 1 -187608.97 6 +283774.08 4200.0 C57
2020-04-12 03:44:18 S 12 56 50.023 +09 10 16.00 V C57
2020-04-12 03:44:18 s 1 -188214.00 6 +282376.30 2090.0 C57
2020-04-12 04:44:17 S 12 56 49.282 +09 12 47.77 V C57
2020-04-12 04:44:17 s 1 -189405.30 4 +279552.84 3860.0 C57
2020-04-12 06:14:17 S 12 56 48.019 +09 16 19.99 V C57
2020-04-12 06:14:17 s 1 -191144.35 5 +275247.58 520.0 C57
2020-04-12 06:44:18 S 12 56 47.686 +09 17 38.08 V C57
2020-04-12 06:44:18 s 1 -191710.99 7 +273793.72 9560.0 C57
2020-04-12 08:44:17 S 12 56 46.159 +09 22 25.18 V C57
2020-04-12 08:44:17 s 1 -193910.48 5 +267883.77 4690.0 C57
2020-04-12 09:54:53 C 12 55 26.87 +09 22 53.7 V T05
2020-04-12 10:06:43 C 12 55 26.78 +09 23 21.7 V T05
2020-04-12 10:11:34 C 12 55 26.74 +09 23 33.1 V T05
2020-04-12 10:14:17 S 12 56 45.317 +09 25 54.19 V C57