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
2021-06-08 11:04:01 s 1 -192424.97 3 +86770.808 440.0 C57
2021-06-08 11:14:01 S 16 42 31.915 -38 58 24.56 V C57
2021-06-08 11:14:01 s 1 -192230.75 9 +85928.403 2610.0 C57
2021-06-08 11:24:01 S 16 42 30.060 -38 58 08.47 V C57
2021-06-08 11:24:01 s 1 -192033.84 0 +85084.787 7400.0 C57
2021-06-08 11:34:01 S 16 42 28.354 -38 57 49.86 V C57
2021-06-08 11:34:01 s 1 -191834.20 0 +84239.963 4770.0 C57
2021-06-08 11:44:01 S 16 42 26.638 -38 57 37.22 V C57
2021-06-08 11:44:01 s 1 -191631.82 2 +83393.934 4690.0 C57
2021-06-08 11:54:01 S 16 42 24.730 -38 57 19.76 V C57
2021-06-08 11:54:01 s 1 -191426.68 8 +82546.704 7100.0 C57
2021-06-08 12:04:01 S 16 42 23.162 -38 57 05.18 V C57
2021-06-08 12:04:01 s 1 -191218.78 1 +81698.276 1960.0 C57
2021-06-08 12:24:01 S 16 42 19.486 -38 56 32.35 V C57
2021-06-08 12:24:01 s 1 -190794.57 8 +79997.841 8850.0 C57
2021-06-08 12:34:01 S 16 42 17.772 -38 56 17.12 V C57
2021-06-08 12:34:01 s 1 -190578.24 8 +79145.840 790.0 C57
2021-06-08 12:44:01 S 16 42 16.140 -38 56 00.96 V C57
2021-06-08 12:44:01 s 1 -190359.07 3 +78292.657 5000.0 C57
2021-06-08 12:54:01 S 16 42 14.474 -38 55 46.70 V C57
2021-06-08 12:54:01 s 1 -190137.03 7 +77438.294 1430.0 C57
2021-06-08 13:04:01 S 16 42 12.382 -38 55 27.91 V C57
2021-06-08 13:04:01 s 1 -189912.12 1 +76582.756 30.0 C57
2021-06-08 13:24:01 S 16 42 09.053 -38 54 57.24 V C57
2021-06-08 13:24:01 s 1 -189453.57 6 +74868.171 3560.0 C57
2021-06-08 13:34:01 S 16 42 07.322 -38 54 41.80 V C57
2021-06-08 13:34:01 s 1 -189219.90 9 +74009.133 8400.0 C57
2021-06-08 13:44:01 S 16 42 05.707 -38 54 27.58 V C57
2021-06-08 13:44:01 s 1 -188983.28 8 +73148.936 5210.0 C57
2021-06-08 14:14:01 S 16 42 00.437 -38 53 37.43 V C57
2021-06-08 14:14:01 s 1 -188255.50 7 +70561.446 7050.0 C57
2021-06-08 14:24:01 S 16 41 58.483 -38 53 23.71 V C57
2021-06-08 14:24:01 s 1 -188006.87 6 +69696.665 1290.0 C57
2021-06-08 14:34:01 S 16 41 56.796 -38 53 05.75 V C57
2021-06-08 14:34:01 s 1 -187755.19 5 +68830.750 7260.0 C57
2021-06-08 14:54:01 S 16 41 53.206 -38 52 35.98 V C57
2021-06-08 14:54:01 s 1 -187242.59 8 +67095.541 4200.0 C57
2021-06-08 15:04:01 S 16 41 51.874 -38 52 21.40 V C57
2021-06-08 15:04:01 s 1 -186981.64 2 +66226.258 5050.0 C57
2021-06-08 15:14:01 S 16 41 49.771 -38 52 05.34 V C57
2021-06-08 15:14:01 s 1 -186717.55 5 +65355.862 7430.0 C57
2021-06-08 15:24:01 S 16 41 48.142 -38 51 48.96 V C57
2021-06-08 15:24:01 s 1 -186450.31 5 +64484.361 1280.0 C57
2021-06-08 15:34:01 S 16 41 46.356 -38 51 33.55 V C57
2021-06-08 15:34:01 s 1 -186179.90 3 +63611.759 6550.0 C57
2021-06-08 15:54:01 S 16 41 43.116 -38 50 58.70 V C57
2021-06-08 15:54:01 s 1 -185629.47 5 +61863.280 1110.0 C57
2021-06-08 16:04:01 S 16 41 41.218 -38 50 41.28 V C57
2021-06-08 16:04:01 s 1 -185349.41 7 +60987.416 300.0 C57
2021-06-08 16:14:01 S 16 41 39.204 -38 50 28.54 V C57