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
2021-06-19 17:04:01 s 1 -127223.27 1 +353056.60 6120.0 C57
2021-06-19 17:14:01 S 16 14 50.782 -32 47 55.90 V C57
2021-06-19 17:14:01 s 1 -127519.75 6 +352749.81 2020.0 C57
2021-06-19 17:24:01 S 16 14 50.369 -32 47 50.96 V C57
2021-06-19 17:24:01 s 1 -127815.88 9 +352442.08 6800.0 C57
2021-06-19 17:44:01 S 16 14 49.034 -32 47 31.49 V C57
2021-06-19 17:44:01 s 1 -128407.09 6 +351823.82 3030.0 C57
2021-06-19 17:54:01 S 16 14 48.293 -32 47 23.06 V C57
2021-06-19 17:54:01 s 1 -128702.16 7 +351513.29 4470.0 C57
2021-06-19 18:04:01 S 16 14 47.926 -32 47 15.18 V C57
2021-06-19 18:04:01 s 1 -128996.88 2 +351201.82 4780.0 C57
2021-06-19 18:24:01 S 16 14 46.553 -32 46 50.63 V C57
2021-06-19 18:24:01 s 1 -129585.23 5 +350576.07 2020.0 C57
2021-06-19 18:34:01 S 16 14 45.962 -32 46 43.90 V C57
2021-06-19 18:34:01 s 1 -129878.87 2 +350261.79 8940.0 C57
2021-06-19 18:44:01 S 16 14 45.694 -32 46 34.90 V C57
2021-06-19 18:44:01 s 1 -130172.14 7 +349946.57 4720.0 C57
2021-06-19 19:04:01 S 16 14 44.141 -32 46 13.69 V C57
2021-06-19 19:04:01 s 1 -130757.60 6 +349313.32 2850.0 C57
2021-06-19 19:14:01 S 16 14 43.354 -32 46 06.02 V C57
2021-06-19 19:14:01 s 1 -131049.78 7 +348995.28 5190.0 C57
2021-06-19 19:24:01 S 16 14 43.090 -32 45 52.34 V C57
2021-06-19 19:24:01 s 1 -131341.60 1 +348676.31 6380.0 C57
2021-06-19 19:34:01 S 16 14 42.912 -32 45 44.71 V C57
2021-06-19 19:34:01 s 1 -131633.04 7 +348356.39 6410.0 C57
2021-06-19 19:44:01 S 16 14 41.858 -32 45 37.51 V C57
2021-06-19 19:44:01 s 1 -131924.12 3 +348035.53 5280.0 C57
2021-06-19 19:54:01 S 16 14 41.806 -32 45 27.36 V C57
2021-06-19 19:54:01 s 1 -132214.82 8 +347713.73 2980.0 C57
2021-06-19 20:04:01 S 16 14 41.131 -32 45 17.24 V C57
2021-06-19 20:04:01 s 1 -132505.16 1 +347390.99 9510.0 C57
2021-06-19 20:14:01 S 16 14 40.145 -32 45 05.87 V C57
2021-06-19 20:14:01 s 1 -132795.12 0 +347067.31 4880.0 C57
2021-06-19 20:24:01 S 16 14 39.295 -32 45 03.89 V C57
2021-06-19 20:24:01 s 1 -133084.70 3 +346742.68 9060.0 C57
2021-06-19 20:34:01 S 16 14 39.254 -32 44 50.06 V C57
2021-06-19 20:34:01 s 1 -133373.91 1 +346417.11 2070.0 C57
2021-06-19 21:04:01 S 16 14 37.267 -32 44 23.17 V C57
2021-06-19 21:04:01 s 1 -134239.26 0 +345434.72 3960.0 C57
2021-06-19 21:34:01 S 16 14 35.347 -32 43 51.38 V C57
2021-06-19 21:34:01 s 1 -135101.17 2 +344443.82 5080.0 C57
2021-06-19 21:44:01 S 16 14 35.124 -32 43 42.35 V C57
2021-06-19 21:44:01 s 1 -135387.70 6 +344111.63 9710.0 C57
2021-06-19 22:04:01 S 16 14 34.020 -32 43 24.56 V C57
2021-06-19 22:04:01 s 1 -135959.61 0 +343444.39 5340.0 C57
2021-06-19 22:14:01 S 16 14 32.952 -32 43 15.10 V C57
2021-06-19 22:14:01 s 1 -136244.97 8 +343109.35 6320.0 C57
2021-06-19 22:44:01 S 16 14 31.474 -32 42 48.06 V C57
2021-06-19 22:44:01 s 1 -137098.72 5 +342098.52 1910.0 C57
2021-06-19 22:54:01 S 16 14 31.286 -32 42 36.04 V C57