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
2021-05-30 19:54:02 s 1 +129742.02 0 +325804.27 7370.0 C57
2021-05-30 20:24:02 S 17 30 42.158 -45 35 14.93 V C57
2021-05-30 20:24:02 s 1 +128881.32 9 +326975.60 9360.0 C57
2021-05-30 20:34:02 S 17 30 38.798 -45 34 52.68 V C57
2021-05-30 20:34:02 s 1 +128593.57 6 +327363.92 8180.0 C57
2021-05-30 20:44:02 S 17 30 35.525 -45 34 29.64 V C57
2021-05-30 20:44:02 s 1 +128305.39 7 +327751.18 6090.0 C57
2021-05-30 20:54:02 S 17 30 32.129 -45 34 05.95 V C57
2021-05-30 20:54:02 s 1 +128016.79 6 +328137.38 3090.0 C57
2021-05-30 21:04:02 S 17 30 28.699 -45 33 41.87 V C57
2021-05-30 21:04:02 s 1 +127727.77 3 +328522.52 9180.0 C57
2021-05-30 21:14:02 S 17 30 25.519 -45 33 19.33 V C57
2021-05-30 21:14:02 s 1 +127438.33 0 +328906.60 4370.0 C57
2021-05-30 21:24:02 S 17 30 22.181 -45 32 55.46 V C57
2021-05-30 21:24:02 s 1 +127148.47 0 +329289.63 8670.0 C57
2021-05-30 21:34:02 S 17 30 18.929 -45 32 32.32 V C57
2021-05-30 21:34:02 s 1 +126858.19 3 +329671.60 2070.0 C57
2021-05-30 21:44:02 S 17 30 15.602 -45 32 08.41 V C57
2021-05-30 21:44:02 s 1 +126567.50 3 +330052.51 4580.0 C57
2021-05-30 21:54:02 S 17 30 12.341 -45 31 46.60 V C57
2021-05-30 21:54:02 s 1 +126276.40 0 +330432.37 6210.0 C57
2021-05-30 22:04:02 S 17 30 09.175 -45 31 22.98 V C57
2021-05-30 22:04:02 s 1 +125984.88 6 +330811.18 6960.0 C57
2021-05-30 22:14:02 S 17 30 05.844 -45 30 59.29 V C57
2021-05-30 22:14:02 s 1 +125692.96 4 +331188.93 6830.0 C57
2021-05-30 22:24:02 S 17 30 02.563 -45 30 35.78 V C57
2021-05-30 22:24:02 s 1 +125400.63 4 +331565.64 5840.0 C57
2021-05-30 22:34:02 S 17 29 59.014 -45 30 11.45 V C57
2021-05-30 22:34:02 s 1 +125107.89 9 +331941.29 3970.0 C57
2021-05-30 22:44:02 S 17 29 55.918 -45 29 48.19 V C57
2021-05-30 22:44:02 s 1 +124814.76 1 +332315.89 1240.0 C57
2021-05-30 22:54:02 S 17 29 52.498 -45 29 24.79 V C57
2021-05-30 22:54:02 s 1 +124521.22 1 +332689.45 7660.0 C57
2021-05-30 23:04:02 S 17 29 49.375 -45 29 03.34 V C57
2021-05-30 23:04:02 s 1 +124227.28 0 +333061.96 3220.0 C57
2021-05-30 23:14:02 S 17 29 46.118 -45 28 39.00 V C57
2021-05-30 23:14:02 s 1 +123932.94 1 +333433.42 7930.0 C57
2021-05-30 23:34:02 S 17 29 39.720 -45 27 51.95 V C57
2021-05-30 23:34:02 s 1 +123343.07 5 +334173.21 4810.0 C57
2021-05-30 23:44:02 S 17 29 36.295 -45 27 30.60 V C57
2021-05-30 23:44:02 s 1 +123047.55 2 +334541.54 6990.0 C57
2021-05-30 23:54:02 S 17 29 33.367 -45 27 05.94 V C57
2021-05-30 23:54:02 s 1 +122751.63 7 +334908.83 8340.0 C57
2021-05-31 00:24:02 S 17 29 23.366 -45 25 55.99 V C57
2021-05-31 00:24:02 s 1 +121861.55 9 +336004.44 7420.0 C57
2021-05-31 00:34:02 S 17 29 20.100 -45 25 33.24 V C57
2021-05-31 00:34:02 s 1 +121564.09 4 +336367.56 5470.0 C57
2021-05-31 00:44:02 S 17 29 16.663 -45 25 09.84 V C57
2021-05-31 00:44:02 s 1 +121266.24 7 +336729.65 2710.0 C57
2021-05-31 00:54:02 S 17 29 13.613 -45 24 48.06 V C57