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
2020-04-13 18:44:17 S 12 56 15.005 +10 40 09.05 – V C57
2020-04-13 18:44:17 s 1 -209121.51 5 +142729.43 8360.0 – C57
2020-04-13 19:44:17 S 12 56 13.826 +10 42 16.52 – V C57
2020-04-13 19:44:17 s 1 -208701.03 2 +138296.45 5630.0 – C57
2020-04-13 23:14:17 S 12 56 09.984 +10 49 47.96 – V C57
2020-04-13 23:14:17 s 1 -206678.35 9 +122425.59 3250.0 – C57
2020-04-13 23:44:17 S 12 56 09.449 +10 50 56.76 – V C57
2020-04-13 23:44:17 s 1 -206315.56 3 +120113.15 1410.0 – C57
2020-04-14 00:14:17 S 12 56 08.851 +10 51 55.22 – V C57
2020-04-14 00:14:17 s 1 -205933.37 5 +117789.43 2200.0 – C57
2020-04-14 00:44:17 S 12 56 08.362 +10 52 55.92 – V C57
2020-04-14 00:44:17 s 1 -205531.46 6 +115454.43 5290.0 – C57
2020-04-14 01:14:17 S 12 56 07.591 +10 54 04.18 – V C57
2020-04-14 01:14:17 s 1 -205109.49 9 +113108.17 340.0 – C57
2020-04-14 01:44:17 S 12 56 07.236 +10 55 08.04 – V C57
2020-04-14 01:44:17 s 1 -204667.12 7 +110750.67 7010.0 – C57
2020-04-14 05:44:17 S 12 56 02.244 +11 03 35.42 – V C57
2020-04-14 05:44:17 s 1 -200349.04 5 +91488.788 3840.0 – C57
2020-04-14 07:44:17 S 12 56 00.002 +11 07 40.04 – V C57
2020-04-14 07:44:17 s 1 -197628.34 7 +81594.223 3540.0 – C57
2020-04-14 08:14:17 S 12 55 59.110 +11 08 49.81 – V C57
2020-04-14 08:14:17 s 1 -196884.84 4 +79093.768 5060.0 – C57
2020-04-14 09:14:17 S 12 55 58.015 +11 10 44.54 – V C57
2020-04-14 09:14:17 s 1 -195318.41 0 +74061.272 4470.0 – C57
2020-04-14 09:44:17 S 12 55 57.226 +11 11 50.46 – V C57
2020-04-14 09:44:17 s 1 -194494.44 1 +71529.431 1300.0 – C57
2020-04-14 10:44:17 S 12 55 55.997 +11 13 55.31 – V C57
2020-04-14 10:44:17 s 1 -192762.30 0 +66435.134 6440.0 – C57
2020-04-14 11:14:17 S 12 55 55.423 +11 14 55.10 – V C57
2020-04-14 11:14:17 s 1 -191853.00 3 +63872.934 3580.0 – C57
2020-04-14 12:14:17 S 12 55 54.281 +11 16 58.30 – V C57
2020-04-14 12:14:17 s 1 -189945.02 0 +58719.160 3960.0 – C57
2020-04-14 12:44:17 S 12 55 53.441 +11 18 04.39 – V C57
2020-04-14 12:44:17 s 1 -188945.11 1 +56127.912 5920.0 – C57
2020-04-14 14:44:17 S 12 55 50.969 +11 22 00.62 – V C57
2020-04-14 14:44:17 s 1 -184624.25 3 +45671.626 9790.0 – C57
2020-04-14 15:44:17 S 12 55 49.409 +11 24 02.05 – V C57
2020-04-14 15:44:17 s 1 -182261.43 0 +40391.869 9160.0 – C57
2020-04-14 16:14:17 S 12 55 48.857 +11 25 05.02 – V C57
2020-04-14 16:14:17 s 1 -181026.86 4 +37740.002 7990.0 – C57
2020-04-14 16:44:17 S 12 55 48.168 +11 26 07.91 – V C57
2020-04-14 16:44:17 s 1 -179755.83 1 +35080.546 1830.0 – C57
2020-04-14 20:14:17 S 12 55 43.440 +11 33 04.18 – V C57
2020-04-14 20:14:17 s 1 -169767.26 6 +16282.862 3330.0 – C57
2020-04-14 21:14:17 S 12 55 41.875 +11 35 02.11 – V C57
2020-04-14 21:14:17 s 1 -166535.47 6 +10867.263 800.0 – C57
2020-04-14 21:44:17 S 12 55 41.227 +11 36 02.81 – V C57
2020-04-14 21:44:17 s 1 -164851.71 6 + 8154.718 2730.0 – C57
2020-04-14 22:01:52 n 12 55 30.24 +11 33 32.3 – V Z43
2020-04-14 22:14:17 S 12 55 40.411 +11 37 01.38 – V C57