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 07:44:01 s 1 -110096.88 0 +368760.92 3740.0 C57
2021-06-19 07:54:01 S 16 15 23.959 -32 56 53.66 V C57
2021-06-19 07:54:01 s 1 -110411.12 0 +368505.69 6240.0 C57
2021-06-19 08:04:01 S 16 15 23.486 -32 56 46.82 V C57
2021-06-19 08:04:01 s 1 -110725.07 4 +368249.56 7810.0 C57
2021-06-19 08:24:01 S 16 15 22.085 -32 56 26.34 V C57
2021-06-19 08:24:01 s 1 -111352.12 1 +367734.56 8200.0 C57
2021-06-19 10:24:01 S 16 15 14.549 -32 54 34.09 V C57
2021-06-19 10:24:01 s 1 -115089.84 1 +364567.98 1460.0 C57
2021-06-19 11:34:01 S 16 15 10.709 -32 53 22.31 V C57
2021-06-19 11:34:01 s 1 -117250.20 8 +362659.99 2650.0 C57
2021-06-19 11:44:01 S 16 15 10.253 -32 53 14.57 V C57
2021-06-19 11:44:01 s 1 -117557.60 1 +362383.75 3170.0 C57
2021-06-19 11:54:01 S 16 15 09.439 -32 53 03.62 V C57
2021-06-19 11:54:01 s 1 -117864.68 2 +362106.59 2690.0 C57
2021-06-19 12:04:01 S 16 15 08.782 -32 52 56.89 V C57
2021-06-19 12:04:01 s 1 -118171.45 0 +361828.52 1210.0 C57
2021-06-19 12:14:01 S 16 15 08.105 -32 52 46.81 V C57
2021-06-19 12:14:01 s 1 -118477.90 5 +361549.52 8740.0 C57
2021-06-19 12:44:01 S 16 15 06.593 -32 52 16.61 V C57
2021-06-19 12:44:01 s 1 -119395.37 5 +360707.01 5270.0 C57
2021-06-19 12:54:01 S 16 15 06.050 -32 52 04.48 V C57
2021-06-19 12:54:01 s 1 -119700.56 3 +360424.33 8750.0 C57
2021-06-19 13:04:01 S 16 15 05.359 -32 52 00.23 V C57
2021-06-19 13:04:01 s 1 -120005.43 2 +360140.73 1220.0 C57
2021-06-19 13:14:01 S 16 15 04.589 -32 51 48.31 V C57
2021-06-19 13:14:01 s 1 -120309.98 0 +359856.21 2670.0 C57
2021-06-19 13:34:01 S 16 15 03.367 -32 51 29.05 V C57
2021-06-19 13:34:01 s 1 -120918.10 9 +359284.39 2480.0 C57
2021-06-19 13:44:01 S 16 15 03.202 -32 51 17.03 V C57
2021-06-19 13:44:01 s 1 -121221.68 7 +358997.10 840.0 C57
2021-06-19 14:04:01 S 16 15 01.646 -32 50 56.98 V C57
2021-06-19 14:04:01 s 1 -121827.86 6 +358419.74 4460.0 C57
2021-06-19 14:14:01 S 16 15 01.178 -32 50 51.90 V C57
2021-06-19 14:14:01 s 1 -122130.46 4 +358129.68 9710.0 C57
2021-06-19 15:34:01 S 16 14 56.414 -32 49 36.34 V C57
2021-06-19 15:34:01 s 1 -124539.29 7 +355775.80 3760.0 C57
2021-06-19 15:44:01 S 16 14 55.891 -32 49 28.34 V C57
2021-06-19 15:44:01 s 1 -124838.88 9 +355477.39 9470.0 C57
2021-06-19 15:54:01 S 16 14 55.570 -32 49 12.86 V C57
2021-06-19 15:54:01 s 1 -125138.14 1 +355178.05 4110.0 C57
2021-06-19 16:04:01 S 16 14 54.859 -32 49 00.80 V C57
2021-06-19 16:04:01 s 1 -125437.05 1 +354877.78 7670.0 C57
2021-06-19 16:14:01 S 16 14 54.094 -32 48 58.86 V C57
2021-06-19 16:14:01 s 1 -125735.61 8 +354576.58 140.0 C57
2021-06-19 16:44:01 S 16 14 52.306 -32 48 26.39 V C57
2021-06-19 16:44:01 s 1 -126629.25 2 +353667.39 1020.0 C57
2021-06-19 16:54:01 S 16 14 51.934 -32 48 19.12 V C57
2021-06-19 16:54:01 s 1 -126926.43 6 +353362.47 9120.0 C57
2021-06-19 17:04:01 S 16 14 51.334 -32 48 08.86 V C57