408752 (1991 TB2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7923427538 ± 2.63e-08
Semi-major axis (a)2.0455116665 AU ± 8.47e-09
Inclination (i)7.92973060° ± 4.53e-06
Long. of Asc. Node (Ω)291.88268535° ± 2.63e-05
Arg. of Perihelion (ω)199.40451026° ± 2.67e-05
Mean Anomaly (M)212.92918717° ± 6.36e-06
Mean Motion (n)0.3369064573°/day ± 2.09e-09
Perihelion dist (q)0.42476532 AU ± 5.39e-08
Aphelion dist (Q)3.66625801 AU ± 5.60e-08
Orbital Period2.92551912 yr ± 1.82e-08
Physical Parameters
H (abs. magnitude)17.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.816″
Uncertainty0
Orbit TypeApollo
MOID0.110734 AU
Observations Used2480
Oppositions22
Arc Total1991-2024
First Observation Used1991-09-15
Last Observation Used2024-07-09
Observations (4916)
Date Type RA Dec Mag Band Observatory
2021-06-15 10:34:01 S 16 21 44.294 -34 38 48.62 V C57
2021-06-15 10:34:01 s 1 +83893.527 0 +373409.42 6450.0 C57
2021-06-15 10:44:01 S 16 21 43.070 -34 38 33.72 V C57
2021-06-15 10:44:01 s 1 +83557.787 0 +373651.33 2880.0 C57
2021-06-15 12:04:01 S 16 21 36.902 -34 36 53.68 V C57
2021-06-15 12:04:01 s 1 +80864.335 0 +375552.32 330.0 C57
2021-06-15 12:14:01 S 16 21 36.384 -34 36 41.33 V C57
2021-06-15 12:14:01 s 1 +80526.729 0 +375785.66 3310.0 C57
2021-06-15 12:24:01 S 16 21 35.664 -34 36 30.92 V C57
2021-06-15 12:24:01 s 1 +80188.922 0 +376018.05 5920.0 C57
2021-06-15 12:34:01 S 16 21 35.011 -34 36 18.58 V C57
2021-06-15 12:34:01 s 1 +79850.914 0 +376249.49 8170.0 C57
2021-06-15 12:44:01 S 16 21 34.438 -34 36 00.83 V C57
2021-06-15 12:44:01 s 1 +79512.706 0 +376479.98 50.0 C57
2021-06-15 12:54:01 S 16 21 33.166 -34 35 52.91 V C57
2021-06-15 12:54:01 s 1 +79174.300 0 +376709.52 1570.0 C57
2021-06-15 13:04:01 S 16 21 32.570 -34 35 38.69 V C57
2021-06-15 13:04:01 s 1 +78835.697 0 +376938.12 2730.0 C57
2021-06-15 13:24:01 S 16 21 31.097 -34 35 13.24 V C57
2021-06-15 13:24:01 s 1 +78157.904 0 +377392.46 4000.0 C57
2021-06-15 13:34:01 S 16 21 30.624 -34 35 05.89 V C57
2021-06-15 13:34:01 s 1 +77818.716 0 +377618.22 4100.0 C57
2021-06-15 13:44:01 S 16 21 29.746 -34 34 52.46 V C57
2021-06-15 13:44:01 s 1 +77479.336 0 +377843.02 3870.0 C57
2021-06-15 13:54:01 S 16 21 28.906 -34 34 41.20 V C57
2021-06-15 13:54:01 s 1 +77139.763 0 +378066.89 3280.0 C57
2021-06-15 14:34:01 S 16 21 25.442 -34 33 49.10 V C57
2021-06-15 14:34:01 s 1 +75779.579 0 +378952.89 7570.0 C57
2021-06-15 14:54:01 S 16 21 24.122 -34 33 25.24 V C57
2021-06-15 14:54:01 s 1 +75098.366 0 +379390.23 2720.0 C57
2021-06-15 15:04:01 S 16 21 23.270 -34 33 11.20 V C57
2021-06-15 15:04:01 s 1 +74757.482 0 +379607.49 9810.0 C57
2021-06-15 15:14:01 S 16 21 22.416 -34 33 04.79 V C57
2021-06-15 15:14:01 s 1 +74416.416 0 +379823.81 6580.0 C57
2021-06-15 15:34:01 S 16 21 21.300 -34 32 35.30 V C57
2021-06-15 15:34:01 s 1 +73733.738 0 +380253.63 9160.0 C57
2021-06-15 15:44:01 S 16 21 20.117 -34 32 27.35 V C57
2021-06-15 15:44:01 s 1 +73392.129 0 +380467.12 4980.0 C57
2021-06-15 15:54:01 S 16 21 19.066 -34 32 11.98 V C57
2021-06-15 15:54:01 s 1 +73050.341 0 +380679.68 480.0 C57
2021-06-15 16:04:01 S 16 21 18.869 -34 32 02.40 V C57
2021-06-15 16:04:01 s 1 +72708.376 0 +380891.30 5680.0 C57
2021-06-15 16:14:01 S 16 21 17.983 -34 31 50.59 V C57
2021-06-15 16:14:01 s 1 +72366.234 0 +381101.98 580.0 C57
2021-06-15 16:24:01 S 16 21 17.405 -34 31 39.54 V C57
2021-06-15 16:24:01 s 1 +72023.917 0 +381311.73 5170.0 C57
2021-06-15 16:34:01 S 16 21 16.615 -34 31 23.77 V C57
2021-06-15 16:34:01 s 1 +71681.425 0 +381520.54 9460.0 C57
2021-06-15 16:44:01 S 16 21 15.821 -34 31 15.42 V C57
2021-06-15 16:44:01 s 1 +71338.760 0 +381728.41 3450.0 C57