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
2021-06-17 12:04:01 s 1 -20860.293 0 +405117.06 4570.0 C57
2021-06-17 12:14:01 S 16 18 09.079 -33 41 37.97 V C57
2021-06-17 12:14:01 s 1 -21217.096 0 +405092.08 8980.0 C57
2021-06-17 12:24:01 S 16 18 08.494 -33 41 26.70 V C57
2021-06-17 12:24:01 s 1 -21573.846 0 +405066.23 3110.0 C57
2021-06-17 12:34:01 S 16 18 07.330 -33 41 13.13 V C57
2021-06-17 12:34:01 s 1 -21930.541 0 +405039.52 6950.0 C57
2021-06-17 12:44:01 S 16 18 06.962 -33 41 04.13 V C57
2021-06-17 12:44:01 s 1 -22287.181 0 +405011.94 510.0 C57
2021-06-17 12:54:01 S 16 18 06.382 -33 40 51.35 V C57
2021-06-17 12:54:01 s 1 -22643.766 0 +404983.49 3770.0 C57
2021-06-17 13:04:01 S 16 18 05.611 -33 40 40.04 V C57
2021-06-17 13:04:01 s 1 -23000.293 0 +404954.18 6740.0 C57
2021-06-17 13:14:01 S 16 18 05.222 -33 40 31.66 V C57
2021-06-17 13:14:01 s 1 -23356.763 0 +404923.99 9410.0 C57
2021-06-17 13:24:01 S 16 18 04.286 -33 40 21.68 V C57
2021-06-17 13:24:01 s 1 -23713.175 0 +404892.94 1790.0 C57
2021-06-17 13:34:01 S 16 18 03.703 -33 40 10.31 V C57
2021-06-17 13:34:01 s 1 -24069.527 0 +404861.03 3860.0 C57
2021-06-17 13:44:01 S 16 18 03.058 -33 40 01.78 V C57
2021-06-17 13:44:01 s 1 -24425.820 0 +404828.24 5640.0 C57
2021-06-17 13:54:01 S 16 18 02.275 -33 39 45.25 V C57
2021-06-17 13:54:01 s 1 -24782.052 0 +404794.59 7110.0 C57
2021-06-17 14:04:01 S 16 18 01.634 -33 39 38.05 V C57
2021-06-17 14:04:01 s 1 -25138.222 0 +404760.07 8270.0 C57
2021-06-17 14:14:01 S 16 18 01.027 -33 39 28.33 V C57
2021-06-17 14:14:01 s 1 -25494.331 0 +404724.69 9130.0 C57
2021-06-17 14:24:01 S 16 18 00.742 -33 39 18.29 V C57
2021-06-17 14:24:01 s 1 -25850.376 0 +404688.44 9680.0 C57
2021-06-17 14:34:01 S 16 17 59.582 -33 39 06.95 V C57
2021-06-17 14:34:01 s 1 -26206.357 0 +404651.32 9910.0 C57
2021-06-17 14:44:01 S 16 17 59.134 -33 38 51.22 V C57
2021-06-17 14:44:01 s 1 -26562.274 0 +404613.33 9840.0 C57
2021-06-17 14:54:01 S 16 17 58.260 -33 38 43.66 V C57
2021-06-17 14:54:01 s 1 -26918.126 0 +404574.48 9440.0 C57
2021-06-17 15:24:01 S 16 17 56.453 -33 38 09.60 V C57
2021-06-17 15:24:01 s 1 -27985.280 0 +404452.72 6340.0 C57
2021-06-17 15:44:01 S 16 17 54.934 -33 37 49.30 V C57
2021-06-17 15:44:01 s 1 -28696.375 0 +404367.22 2650.0 C57
2021-06-17 15:54:01 S 16 17 54.324 -33 37 35.90 V C57
2021-06-17 15:54:01 s 1 -29051.818 0 +404323.17 320.0 C57
2021-06-17 16:04:01 S 16 17 53.705 -33 37 30.18 V C57
2021-06-17 16:04:01 s 1 -29407.190 0 +404278.25 7650.0 C57
2021-06-17 16:14:01 S 16 17 52.937 -33 37 15.92 V C57
2021-06-17 16:14:01 s 1 -29762.490 0 +404232.46 4650.0 C57
2021-06-17 16:24:01 S 16 17 52.433 -33 37 04.62 V C57
2021-06-17 16:24:01 s 1 -30117.717 0 +404185.81 1320.0 C57
2021-06-17 16:34:01 S 16 17 51.857 -33 36 56.48 V C57
2021-06-17 16:34:01 s 1 -30472.872 0 +404138.29 7650.0 C57
2021-06-17 16:54:01 S 16 17 50.467 -33 36 33.30 V C57