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
2021-06-05 02:14:01 s 1 -126386.06 4 +355468.55 1140.0 C57
2021-06-05 02:54:01 S 16 57 38.054 -41 13 28.99 V C57
2021-06-05 02:54:01 s 1 -127593.24 6 +354266.48 5210.0 C57
2021-06-05 03:04:01 S 16 57 36.036 -41 13 10.81 V C57
2021-06-05 03:04:01 s 1 -127894.20 3 +353963.62 6110.0 C57
2021-06-05 03:14:01 S 16 57 33.895 -41 12 52.31 V C57
2021-06-05 03:14:01 s 1 -128194.82 3 +353659.83 5950.0 C57
2021-06-05 03:24:01 S 16 57 31.841 -41 12 32.98 V C57
2021-06-05 03:24:01 s 1 -128495.10 3 +353355.11 4740.0 C57
2021-06-05 03:34:01 S 16 57 29.664 -41 12 15.41 V C57
2021-06-05 03:34:01 s 1 -128795.04 4 +353049.45 2460.0 C57
2021-06-05 03:44:01 S 16 57 27.737 -41 11 58.56 V C57
2021-06-05 03:44:01 s 1 -129094.64 2 +352742.85 9120.0 C57
2021-06-05 03:54:01 S 16 57 25.565 -41 11 39.26 V C57
2021-06-05 03:54:01 s 1 -129393.89 8 +352435.31 4720.0 C57
2021-06-05 04:04:01 S 16 57 23.664 -41 11 21.91 V C57
2021-06-05 04:04:01 s 1 -129692.81 0 +352126.83 9230.0 C57
2021-06-05 04:14:01 S 16 57 21.478 -41 11 04.45 V C57
2021-06-05 04:14:01 s 1 -129991.37 6 +351817.42 2680.0 C57
2021-06-05 04:24:01 S 16 57 19.397 -41 10 44.44 V C57
2021-06-05 04:24:01 s 1 -130289.59 5 +351507.07 5040.0 C57
2021-06-05 05:14:01 S 16 57 08.952 -41 09 14.62 V C57
2021-06-05 05:14:01 s 1 -131775.44 6 +349941.19 550.0 C57
2021-06-05 05:24:01 S 16 57 07.061 -41 08 58.92 V C57
2021-06-05 05:24:01 s 1 -132071.55 7 +349625.19 6360.0 C57
2021-06-05 05:34:01 S 16 57 04.891 -41 08 38.90 V C57
2021-06-05 05:34:01 s 1 -132367.31 2 +349308.25 1070.0 C57
2021-06-05 05:44:01 S 16 57 02.846 -41 08 19.50 V C57
2021-06-05 05:44:01 s 1 -132662.71 1 +348990.37 4670.0 C57
2021-06-05 05:54:01 S 16 57 00.715 -41 08 03.05 V C57
2021-06-05 05:54:01 s 1 -132957.75 0 +348671.54 7150.0 C57
2021-06-05 06:04:01 S 16 56 58.685 -41 07 44.62 V C57
2021-06-05 06:04:01 s 1 -133252.43 0 +348351.76 8530.0 C57
2021-06-05 06:14:01 S 16 56 56.635 -41 07 27.48 V C57
2021-06-05 06:14:01 s 1 -133546.74 8 +348031.04 8780.0 C57
2021-06-05 06:24:01 S 16 56 54.626 -41 07 07.28 V C57
2021-06-05 06:24:01 s 1 -133840.70 4 +347709.38 7910.0 C57
2021-06-05 06:34:01 S 16 56 52.586 -41 06 51.44 V C57
2021-06-05 06:34:01 s 1 -134134.29 5 +347386.77 5910.0 C57
2021-06-05 06:44:01 S 16 56 50.534 -41 06 32.40 V C57
2021-06-05 06:44:01 s 1 -134427.52 2 +347063.21 2780.0 C57
2021-06-05 06:54:01 S 16 56 48.490 -41 06 19.30 V C57
2021-06-05 06:54:01 s 1 -134720.38 1 +346738.71 8520.0 C57
2021-06-05 07:04:01 S 16 56 46.450 -41 05 58.02 V C57
2021-06-05 07:04:01 s 1 -135012.87 3 +346413.25 3120.0 C57
2021-06-06 09:19:59 C 16 50 12.62 -40 26 32.0 V T08
2021-06-06 09:29:55 C 16 50 10.61 -40 26 14.2 V T08
2021-06-06 09:35:17 C 16 50 09.54 -40 26 04.2 V T08
2021-06-06 09:39:16 C 16 50 08.72 -40 25 56.7 V T08
2021-06-06 09:39:56 C 16 50 08.60 -40 25 55.6 V T08