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
2021-06-11 03:04:01 s 1 +147798.82 4 + 741.658 1050.0 C57
2021-06-11 03:14:01 S 16 31 45.694 -37 09 16.74 V C57
2021-06-11 03:14:01 s 1 +148362.47 6 + 1727.598 3610.0 C57
2021-06-11 03:34:01 S 16 31 42.326 -37 08 39.95 V C57
2021-06-11 03:34:01 s 1 +149472.12 3 + 3699.227 2340.0 C57
2021-06-11 03:44:01 S 16 31 41.054 -37 08 10.57 V C57
2021-06-11 03:44:01 s 1 +150018.20 6 + 4684.842 8750.0 C57
2021-06-11 04:24:01 S 16 31 36.262 -37 07 09.44 V C57
2021-06-11 04:24:01 s 1 +152145.31 0 + 8625.136 4370.0 C57
2021-06-11 04:34:01 S 16 31 35.282 -37 06 55.04 V C57
2021-06-11 04:34:01 s 1 +152662.99 8 + 9609.497 6370.0 C57
2021-06-11 04:44:01 S 16 31 33.998 -37 06 35.86 V C57
2021-06-11 04:44:01 s 1 +153175.13 7 +10593.507 3860.0 C57
2021-06-11 04:54:01 S 16 31 32.748 -37 06 19.76 V C57
2021-06-11 04:54:01 s 1 +153681.77 0 +11577.135 6940.0 C57
2021-06-11 05:04:01 S 16 31 31.591 -37 06 02.05 V C57
2021-06-11 05:04:01 s 1 +154182.94 0 +12560.350 5740.0 C57
2021-06-11 05:44:01 S 16 31 25.577 -37 05 00.92 V C57
2021-06-11 05:44:01 s 1 +156133.82 3 +16488.493 430.0 C57
2021-06-11 05:54:01 S 16 31 25.169 -37 04 42.42 V C57
2021-06-11 05:54:01 s 1 +156608.30 2 +17469.208 9560.0 C57
2021-06-11 06:04:01 S 16 31 24.250 -37 04 24.71 V C57
2021-06-11 06:04:01 s 1 +157077.56 5 +18449.340 5080.0 C57
2021-06-11 07:14:01 S 16 31 15.593 -37 02 18.56 V C57
2021-06-11 07:14:01 s 1 +160219.73 4 +25291.840 2380.0 C57
2021-06-11 07:44:01 S 16 31 11.011 -37 01 21.86 V C57
2021-06-11 07:44:01 s 1 +161492.08 2 +28213.184 6710.0 C57
2021-06-11 07:54:01 S 16 31 10.032 -37 01 06.53 V C57
2021-06-11 07:54:01 s 1 +161906.57 0 +29185.319 9840.0 C57
2021-06-11 08:04:01 S 16 31 09.026 -37 00 46.30 V C57
2021-06-11 08:04:01 s 1 +162316.30 6 +30156.597 650.0 C57
2021-06-11 08:14:01 S 16 31 07.872 -37 00 26.53 V C57
2021-06-11 08:14:01 s 1 +162721.32 6 +31126.998 9240.0 C57
2021-06-11 08:24:01 S 16 31 06.226 -37 00 11.12 V C57
2021-06-11 08:24:01 s 1 +163121.66 7 +32096.504 5710.0 C57
2021-06-11 08:34:01 S 16 31 05.182 -36 59 54.56 V C57
2021-06-11 08:34:01 s 1 +163517.36 5 +33065.096 160.0 C57
2021-06-11 08:44:01 S 16 31 03.713 -36 59 33.97 V C57
2021-06-11 08:44:01 s 1 +163908.45 4 +34032.756 2680.0 C57
2021-06-11 08:54:01 S 16 31 02.729 -36 59 21.80 V C57
2021-06-11 08:54:01 s 1 +164294.97 0 +34999.466 3370.0 C57
2021-06-11 09:04:01 S 16 31 01.543 -36 59 02.62 V C57
2021-06-11 09:04:01 s 1 +164676.94 9 +35965.210 2320.0 C57
2021-06-11 09:14:01 S 16 31 00.132 -36 58 44.44 V C57
2021-06-11 09:14:01 s 1 +165054.42 5 +36929.970 9640.0 C57
2021-06-11 09:24:01 S 16 30 58.992 -36 58 28.24 V C57
2021-06-11 09:24:01 s 1 +165427.43 3 +37893.730 5410.0 C57
2021-06-11 09:34:01 S 16 30 57.773 -36 58 11.78 V C57
2021-06-11 09:34:01 s 1 +165796.00 6 +38856.475 9730.0 C57
2021-06-11 09:44:01 S 16 30 56.638 -36 57 54.32 V C57