IAA RAS IAA Minor Planet Database

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
2021-05-28 22:44:02 s 1 +182620.14 6 +176227.72 1470.0 – C57
2021-05-28 22:54:02 S 17 47 28.769 -47 26 37.64 – V C57
2021-05-28 22:54:02 s 1 +182562.89 4 +176957.66 2790.0 – C57
2021-05-28 23:14:02 S 17 47 20.491 -47 25 46.63 – V C57
2021-05-28 23:14:02 s 1 +182443.79 2 +178413.13 4740.0 – C57
2021-05-28 23:24:02 S 17 47 16.298 -47 25 20.89 – V C57
2021-05-28 23:24:02 s 1 +182381.95 9 +179138.66 5420.0 – C57
2021-05-28 23:34:02 S 17 47 12.286 -47 24 56.09 – V C57
2021-05-28 23:34:02 s 1 +182318.61 6 +179862.72 2590.0 – C57
2021-05-28 23:44:02 S 17 47 07.970 -47 24 29.70 – V C57
2021-05-28 23:44:02 s 1 +182253.77 2 +180585.31 6270.0 – C57
2021-05-28 23:54:02 S 17 47 04.025 -47 24 04.14 – V C57
2021-05-28 23:54:02 s 1 +182187.43 4 +181306.43 6480.0 – C57
2021-05-29 00:04:02 S 17 46 59.882 -47 23 37.57 – V C57
2021-05-29 00:04:02 s 1 +182119.61 1 +182026.09 3240.0 – C57
2021-05-29 00:14:02 S 17 46 55.867 -47 23 13.99 – V C57
2021-05-29 00:14:02 s 1 +182050.31 2 +182744.29 6580.0 – C57
2021-05-29 00:24:02 S 17 46 51.631 -47 22 49.15 – V C57
2021-05-29 00:24:02 s 1 +181979.54 3 +183461.02 6510.0 – C57
2021-05-29 00:34:02 S 17 46 47.801 -47 22 22.26 – V C57
2021-05-29 00:34:02 s 1 +181907.31 5 +184176.30 3060.0 – C57
2021-05-29 00:44:02 S 17 46 43.697 -47 21 56.23 – V C57
2021-05-29 00:44:02 s 1 +181833.63 3 +184890.12 6230.0 – C57
2021-05-29 00:54:02 S 17 46 39.643 -47 21 32.51 – V C57
2021-05-29 00:54:02 s 1 +181758.50 7 +185602.48 6060.0 – C57
2021-05-29 01:14:02 S 17 46 31.390 -47 20 39.34 – V C57
2021-05-29 01:14:02 s 1 +181603.95 3 +187022.86 5730.0 – C57
2021-05-29 01:24:02 S 17 46 27.163 -47 20 13.63 – V C57
2021-05-29 01:24:02 s 1 +181524.54 0 +187730.87 5620.0 – C57
2021-05-29 01:34:02 S 17 46 23.194 -47 19 49.01 – V C57
2021-05-29 01:34:02 s 1 +181443.71 4 +188437.43 2230.0 – C57
2021-05-29 01:44:02 S 17 46 19.308 -47 19 24.02 – V C57
2021-05-29 01:44:02 s 1 +181361.48 2 +189142.54 5590.0 – C57
2021-05-29 01:54:02 S 17 46 15.190 -47 18 58.10 – V C57
2021-05-29 01:54:02 s 1 +181277.85 1 +189846.22 5710.0 – C57
2021-05-29 02:24:02 S 17 46 03.182 -47 17 45.28 – V C57
2021-05-29 02:24:02 s 1 +181018.64 8 +191948.59 6820.0 – C57
2021-05-29 02:34:02 S 17 45 58.932 -47 17 16.19 – V C57
2021-05-29 02:34:02 s 1 +180929.50 0 +192646.50 4160.0 – C57
2021-05-29 02:44:02 S 17 45 54.989 -47 16 50.66 – V C57
2021-05-29 02:44:02 s 1 +180838.99 2 +193342.98 8360.0 – C57
2021-05-29 02:54:02 S 17 45 50.921 -47 16 24.31 – V C57
2021-05-29 02:54:02 s 1 +180747.13 0 +194038.02 9430.0 – C57
2021-05-29 03:04:02 S 17 45 46.754 -47 15 59.76 – V C57
2021-05-29 03:04:02 s 1 +180653.92 1 +194731.64 7390.0 – C57
2021-05-29 03:34:02 S 17 45 35.011 -47 14 45.42 – V C57
2021-05-29 03:34:02 s 1 +180366.28 9 +196803.91 2740.0 – C57
2021-05-29 03:44:02 S 17 45 30.799 -47 14 17.41 – V C57
2021-05-29 03:44:02 s 1 +180267.76 7 +197491.82 8410.0 – C57
2021-05-29 03:54:02 S 17 45 26.789 -47 13 52.64 – V C57