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
2021-06-03 05:14:01 s 1 -36155.511 0 +403302.27 3960.0 C57
2021-06-03 05:24:01 S 17 07 49.375 -42 40 05.16 V C57
2021-06-03 05:24:01 s 1 -36510.006 0 +403243.10 6560.0 C57
2021-06-03 05:34:01 S 17 07 47.004 -42 39 44.93 V C57
2021-06-03 05:34:01 s 1 -36864.424 0 +403183.07 8830.0 C57
2021-06-03 06:34:01 S 17 07 32.551 -42 37 45.73 V C57
2021-06-03 06:34:01 s 1 -38989.304 0 +402804.71 5230.0 C57
2021-06-03 06:54:01 S 17 07 27.710 -42 37 05.30 V C57
2021-06-03 06:54:01 s 1 -39696.957 0 +402671.68 4580.0 C57
2021-06-03 07:04:01 S 17 07 25.306 -42 36 45.86 V C57
2021-06-03 07:04:01 s 1 -40050.659 0 +402603.86 3720.0 C57
2021-06-03 07:14:01 S 17 07 22.932 -42 36 26.42 V C57
2021-06-03 07:14:01 s 1 -40404.279 0 +402535.18 2500.0 C57
2021-06-03 07:24:01 S 17 07 20.546 -42 36 06.59 V C57
2021-06-03 07:24:01 s 1 -40757.814 0 +402465.63 920.0 C57
2021-06-03 07:34:01 S 17 07 18.101 -42 35 47.36 V C57
2021-06-03 07:34:01 s 1 -41111.264 0 +402395.22 8980.0 C57
2021-06-03 07:44:01 S 17 07 15.686 -42 35 27.67 V C57
2021-06-03 07:44:01 s 1 -41464.628 0 +402323.95 6680.0 C57
2021-06-03 07:54:01 S 17 07 13.325 -42 35 07.84 V C57
2021-06-03 07:54:01 s 1 -41817.905 0 +402251.81 4010.0 C57
2021-06-03 08:04:01 S 17 07 10.798 -42 34 45.95 V C57
2021-06-03 08:04:01 s 1 -42171.095 0 +402178.80 960.0 C57
2021-06-03 08:14:01 S 17 07 08.470 -42 34 26.54 V C57
2021-06-03 08:14:01 s 1 -42524.197 0 +402104.93 7550.0 C57
2021-06-03 08:24:01 S 17 07 06.065 -42 34 09.01 V C57
2021-06-03 08:24:01 s 1 -42877.210 0 +402030.19 3770.0 C57
2021-06-03 08:34:01 S 17 07 03.746 -42 33 48.64 V C57
2021-06-03 08:34:01 s 1 -43230.133 0 +401954.59 9610.0 C57
2021-06-03 08:44:01 S 17 07 01.286 -42 33 28.98 V C57
2021-06-03 08:44:01 s 1 -43582.966 0 +401878.12 5070.0 C57
2021-06-03 08:54:01 S 17 06 58.956 -42 33 07.85 V C57
2021-06-03 08:54:01 s 1 -43935.707 0 +401800.79 160.0 C57
2021-06-03 09:04:01 S 17 06 56.580 -42 32 48.44 V C57
2021-06-03 09:04:01 s 1 -44288.356 0 +401722.59 4860.0 C57
2021-06-03 09:14:01 S 17 06 54.250 -42 32 28.68 V C57
2021-06-03 09:14:01 s 1 -44640.911 0 +401643.52 9180.0 C57
2021-06-03 09:24:01 S 17 06 51.850 -42 32 09.49 V C57
2021-06-03 09:24:01 s 1 -44993.373 0 +401563.59 3120.0 C57
2021-06-03 09:34:01 S 17 06 49.457 -42 31 50.09 V C57
2021-06-03 09:34:01 s 1 -45345.741 0 +401482.79 6660.0 C57
2021-06-03 09:44:01 S 17 06 46.980 -42 31 28.52 V C57
2021-06-03 09:44:01 s 1 -45698.013 0 +401401.13 9820.0 C57
2021-06-03 09:54:01 S 17 06 44.539 -42 31 09.41 V C57
2021-06-03 09:54:01 s 1 -46050.189 0 +401318.60 2580.0 C57
2021-06-03 10:04:01 S 17 06 42.137 -42 30 51.70 V C57
2021-06-03 10:04:01 s 1 -46402.268 0 +401235.21 4950.0 C57
2021-06-03 10:14:01 S 17 06 40.097 -42 30 31.72 V C57
2021-06-03 10:14:01 s 1 -46754.249 0 +401150.95 6920.0 C57
2021-06-03 10:24:01 S 17 06 37.457 -42 30 12.02 V C57