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
2021-06-16 02:44:01 S 16 20 30.564 -34 19 18.16 V C57
2021-06-16 02:44:01 s 1 +50500.082 0 +392504.68 5670.0 C57
2021-06-16 02:54:01 S 16 20 29.599 -34 19 08.36 V C57
2021-06-16 02:54:01 s 1 +50148.746 0 +392656.29 6330.0 C57
2021-06-16 03:04:01 S 16 20 28.966 -34 18 56.92 V C57
2021-06-16 03:04:01 s 1 +49797.298 0 +392807.00 6840.0 C57
2021-06-16 03:14:01 S 16 20 28.375 -34 18 44.06 V C57
2021-06-16 03:14:01 s 1 +49445.739 0 +392956.79 7210.0 C57
2021-06-16 03:24:01 S 16 20 27.655 -34 18 33.12 V C57
2021-06-16 03:24:01 s 1 +49094.070 0 +393105.68 7440.0 C57
2021-06-16 03:34:01 S 16 20 26.779 -34 18 20.81 V C57
2021-06-16 03:34:01 s 1 +48742.291 0 +393253.66 7540.0 C57
2021-06-16 03:44:01 S 16 20 25.958 -34 18 08.17 V C57
2021-06-16 03:44:01 s 1 +48390.403 0 +393400.73 7500.0 C57
2021-06-16 03:54:01 S 16 20 25.188 -34 17 54.67 V C57
2021-06-16 03:54:01 s 1 +48038.408 0 +393546.90 7330.0 C57
2021-06-16 04:04:01 S 16 20 24.730 -34 17 44.30 V C57
2021-06-16 04:04:01 s 1 +47686.307 0 +393692.15 7040.0 C57
2021-06-16 04:14:01 S 16 20 23.940 -34 17 32.14 V C57
2021-06-16 04:14:01 s 1 +47334.099 0 +393836.50 6610.0 C57
2021-06-16 04:24:01 S 16 20 22.958 -34 17 20.65 V C57
2021-06-16 04:24:01 s 1 +46981.787 0 +393979.95 6070.0 C57
2021-06-16 04:44:01 S 16 20 21.670 -34 16 58.19 V C57
2021-06-16 04:44:01 s 1 +46276.852 0 +394264.12 4610.0 C57
2021-06-16 04:54:01 S 16 20 20.966 -34 16 48.47 V C57
2021-06-16 04:54:01 s 1 +45924.231 0 +394404.85 3700.0 C57
2021-06-16 05:04:01 S 16 20 20.201 -34 16 38.42 V C57
2021-06-16 05:04:01 s 1 +45571.509 0 +394544.67 2680.0 C57
2021-06-16 05:14:01 S 16 20 19.500 -34 16 19.63 V C57
2021-06-16 05:14:01 s 1 +45218.686 0 +394683.59 1550.0 C57
2021-06-16 05:24:01 S 16 20 18.653 -34 16 11.75 V C57
2021-06-16 05:24:01 s 1 +44865.765 0 +394821.60 310.0 C57
2021-06-16 05:34:01 S 16 20 18.012 -34 15 59.08 V C57
2021-06-16 05:34:01 s 1 +44512.744 0 +394958.71 8950.0 C57
2021-06-16 05:54:01 S 16 20 16.474 -34 15 36.43 V C57
2021-06-16 05:54:01 s 1 +43806.412 0 +395230.22 5940.0 C57
2021-06-16 06:04:01 S 16 20 15.874 -34 15 23.83 V C57
2021-06-16 06:04:01 s 1 +43453.102 0 +395364.63 4270.0 C57
2021-06-16 06:14:01 S 16 20 15.559 -34 15 11.66 V C57
2021-06-16 06:14:01 s 1 +43099.697 0 +395498.12 2510.0 C57
2021-06-16 06:24:01 S 16 20 14.407 -34 15 04.03 V C57
2021-06-16 06:24:01 s 1 +42746.198 0 +395630.72 660.0 C57
2021-06-16 06:54:01 S 16 20 12.118 -34 14 26.63 V C57
2021-06-16 06:54:01 s 1 +41685.147 0 +396023.10 4530.0 C57
2021-06-16 07:14:01 S 16 20 10.642 -34 14 03.41 V C57
2021-06-16 07:14:01 s 1 +40977.326 0 +396280.19 10.0 C57
2021-06-16 07:24:01 S 16 20 09.792 -34 13 53.40 V C57
2021-06-16 07:24:01 s 1 +40623.283 0 +396407.38 7620.0 C57
2021-06-16 07:44:01 S 16 20 08.705 -34 13 31.58 V C57
2021-06-16 07:44:01 s 1 +39914.933 0 +396659.06 2610.0 C57