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
2021-06-20 16:14:01 S 16 13 32.256 -32 26 42.94 V C57
2021-06-20 16:14:01 s 1 -164437.04 3 +301200.93 6900.0 C57
2021-06-20 16:24:01 S 16 13 31.483 -32 26 30.80 V C57
2021-06-20 16:24:01 s 1 -164670.36 0 +300758.50 7410.0 C57
2021-06-20 17:04:01 S 16 13 29.359 -32 25 58.12 V C57
2021-06-20 17:04:01 s 1 -165597.82 9 +298978.50 1780.0 C57
2021-06-20 17:54:01 S 16 13 26.789 -32 25 14.30 V C57
2021-06-20 17:54:01 s 1 -166743.96 0 +296730.34 1970.0 C57
2021-06-20 18:14:01 S 16 13 25.610 -32 24 55.91 V C57
2021-06-20 18:14:01 s 1 -167198.24 9 +295823.84 5370.0 C57
2021-06-20 18:24:01 S 16 13 24.996 -32 24 47.66 V C57
2021-06-20 18:24:01 s 1 -167424.49 3 +295369.04 4320.0 C57
2021-06-20 18:34:01 S 16 13 24.394 -32 24 36.22 V C57
2021-06-20 18:34:01 s 1 -167650.13 3 +294913.20 1430.0 C57
2021-06-20 18:54:01 S 16 13 23.515 -32 24 14.54 V C57
2021-06-20 18:54:01 s 1 -168099.59 4 +293998.41 130.0 C57
2021-06-20 19:14:01 S 16 13 22.008 -32 23 58.45 V C57
2021-06-20 19:14:01 s 1 -168546.61 3 +293079.47 1390.0 C57
2021-06-20 21:34:01 S 16 13 14.678 -32 21 51.41 V C57
2021-06-20 21:34:01 s 1 -171605.88 4 +286529.90 7820.0 C57
2021-06-20 21:54:01 S 16 13 13.675 -32 21 31.61 V C57
2021-06-20 21:54:01 s 1 -172032.71 8 +285577.45 7740.0 C57
2021-06-20 23:34:01 S 16 13 07.908 -32 20 10.46 V C57
2021-06-20 23:34:01 s 1 -174127.37 4 +280751.74 7490.0 C57
2021-06-21 02:34:01 S 16 12 58.054 -32 17 27.24 V C57
2021-06-21 02:34:01 s 1 -177725.43 1 +271796.52 9110.0 C57
2021-06-21 04:24:01 S 16 12 51.614 -32 15 53.46 V C57
2021-06-21 04:24:01 s 1 -179809.68 0 +266151.62 1540.0 C57
2021-06-21 06:04:01 S 16 12 46.418 -32 14 27.38 V C57
2021-06-21 06:04:01 s 1 -181625.19 7 +260905.11 7300.0 C57
2021-06-21 06:14:01 S 16 12 45.866 -32 14 17.02 V C57
2021-06-21 06:14:01 s 1 -181802.47 8 +260374.41 8000.0 C57
2021-06-21 06:24:01 S 16 12 45.276 -32 14 08.30 V C57
2021-06-21 06:24:01 s 1 -181978.97 1 +259842.59 6330.0 C57
2021-06-21 06:44:01 S 16 12 44.222 -32 13 45.91 V C57
2021-06-21 06:44:01 s 1 -182329.57 8 +258775.65 5820.0 C57
2021-06-21 06:54:01 S 16 12 43.454 -32 13 41.88 V C57
2021-06-21 06:54:01 s 1 -182503.68 7 +258240.52 6960.0 C57
2021-06-21 07:24:01 S 16 12 42.000 -32 13 12.29 V C57
2021-06-21 07:24:01 s 1 -183021.19 3 +256628.47 5880.0 C57
2021-06-21 07:34:01 S 16 12 41.830 -32 13 01.45 V C57
2021-06-21 07:34:01 s 1 -183192.07 8 +256088.89 7320.0 C57
2021-06-21 07:44:01 S 16 12 41.258 -32 12 59.18 V C57
2021-06-21 07:44:01 s 1 -183362.14 9 +255548.20 6310.0 C57
2021-06-21 08:44:01 S 16 12 37.620 -32 12 05.76 V C57
2021-06-21 08:44:01 s 1 -184365.30 8 +252280.62 8290.0 C57
2021-06-21 08:54:01 S 16 12 36.886 -32 11 58.56 V C57
2021-06-21 08:54:01 s 1 -184529.59 2 +251732.10 9870.0 C57
2021-06-21 09:04:01 S 16 12 36.353 -32 11 44.66 V C57
2021-06-21 09:04:01 s 1 -184693.03 6 +251182.46 8920.0 C57