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
2021-06-12 18:54:01 s 1 +181193.67 7 +203291.76 9420.0 C57
2021-06-12 19:04:01 S 16 27 18.415 -36 04 32.59 V C57
2021-06-12 19:04:01 s 1 +181080.17 7 +203967.08 2730.0 C57
2021-06-12 19:14:01 S 16 27 17.453 -36 04 17.47 V C57
2021-06-12 19:14:01 s 1 +180965.43 8 +204641.01 3040.0 C57
2021-06-12 19:44:01 S 16 27 14.647 -36 03 32.44 V C57
2021-06-12 19:44:01 s 1 +180613.84 0 +206654.45 6140.0 C57
2021-06-12 19:54:01 S 16 27 13.548 -36 03 16.96 V C57
2021-06-12 19:54:01 s 1 +180494.20 2 +207322.83 4620.0 C57
2021-06-12 20:04:01 S 16 27 12.718 -36 03 04.64 V C57
2021-06-12 20:04:01 s 1 +180373.35 4 +207989.83 170.0 C57
2021-06-12 20:14:01 S 16 27 11.599 -36 02 47.29 V C57
2021-06-12 20:14:01 s 1 +180251.30 4 +208655.45 2830.0 C57
2021-06-12 20:24:01 S 16 27 10.651 -36 02 33.25 V C57
2021-06-12 20:24:01 s 1 +180128.05 7 +209319.68 2590.0 C57
2021-06-12 20:34:01 S 16 27 09.629 -36 02 18.60 V C57
2021-06-12 20:34:01 s 1 +180003.61 9 +209982.54 9490.0 C57
2021-06-12 20:44:01 S 16 27 08.815 -36 02 06.00 V C57
2021-06-12 20:44:01 s 1 +179877.99 6 +210644.03 3520.0 C57
2021-06-12 20:54:01 S 16 27 07.622 -36 01 50.30 V C57
2021-06-12 20:54:01 s 1 +179751.19 5 +211304.14 4720.0 C57
2021-06-12 21:04:01 S 16 27 06.578 -36 01 34.72 V C57
2021-06-12 21:04:01 s 1 +179623.22 0 +211962.87 3090.0 C57
2021-06-12 21:14:01 S 16 27 05.923 -36 01 17.26 V C57
2021-06-12 21:14:01 s 1 +179494.07 9 +212620.24 8650.0 C57
2021-06-12 21:24:01 S 16 27 04.747 -36 01 03.50 V C57
2021-06-12 21:24:01 s 1 +179363.77 6 +213276.24 1410.0 C57
2021-06-12 21:34:01 S 16 27 03.689 -36 00 48.89 V C57
2021-06-12 21:34:01 s 1 +179232.31 8 +213930.87 1400.0 C57
2021-06-12 21:44:01 S 16 27 02.832 -36 00 34.45 V C57
2021-06-12 21:44:01 s 1 +179099.71 1 +214584.13 8610.0 C57
2021-06-12 21:54:01 S 16 27 01.910 -36 00 20.09 V C57
2021-06-12 21:54:01 s 1 +178965.96 0 +215236.04 3080.0 C57
2021-06-12 22:04:01 S 16 27 00.883 -36 00 04.03 V C57
2021-06-12 22:04:01 s 1 +178831.07 0 +215886.58 4800.0 C57
2021-06-12 22:14:01 S 16 26 59.695 -35 59 51.83 V C57
2021-06-12 22:14:01 s 1 +178695.04 8 +216535.75 3810.0 C57
2021-06-12 22:24:01 S 16 26 58.939 -35 59 37.18 V C57
2021-06-12 22:24:01 s 1 +178557.90 0 +217183.57 100.0 C57
2021-06-12 22:34:01 S 16 26 57.967 -35 59 20.51 V C57
2021-06-12 22:34:01 s 1 +178419.63 0 +217830.04 3710.0 C57
2021-06-12 22:44:01 S 16 26 56.808 -35 59 04.63 V C57
2021-06-12 22:44:01 s 1 +178280.24 5 +218475.14 4630.0 C57
2021-06-12 22:54:01 S 16 26 55.853 -35 58 51.53 V C57
2021-06-12 22:54:01 s 1 +178139.74 9 +219118.90 2890.0 C57
2021-06-12 23:04:01 S 16 26 54.845 -35 58 37.16 V C57
2021-06-12 23:04:01 s 1 +177998.14 9 +219761.30 8490.0 C57
2021-06-12 23:14:01 S 16 26 53.990 -35 58 19.24 V C57
2021-06-12 23:14:01 s 1 +177855.44 9 +220402.35 1460.0 C57
2021-06-12 23:24:01 S 16 26 53.014 -35 58 05.81 V C57