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
2021-05-30 14:14:02 s 1 +139211.95 4 +311852.49 8510.0 – C57
2021-05-30 14:24:02 S 17 32 42.998 -45 49 23.45 – V C57
2021-05-30 14:24:02 s 1 +138941.28 6 +312280.79 4410.0 – C57
2021-05-30 14:54:02 S 17 32 32.755 -45 48 12.49 – V C57
2021-05-30 14:54:02 s 1 +138126.30 0 +313559.12 5580.0 – C57
2021-05-30 15:04:02 S 17 32 29.383 -45 47 47.36 – V C57
2021-05-30 15:04:02 s 1 +137853.65 1 +313983.03 7150.0 – C57
2021-05-30 15:14:02 S 17 32 25.913 -45 47 24.90 – V C57
2021-05-30 15:14:02 s 1 +137580.51 2 +314405.85 7650.0 – C57
2021-05-30 15:24:02 S 17 32 22.558 -45 47 01.07 – V C57
2021-05-30 15:24:02 s 1 +137306.88 5 +314827.57 7090.0 – C57
2021-05-30 15:34:02 S 17 32 19.188 -45 46 37.88 – V C57
2021-05-30 15:34:02 s 1 +137032.77 3 +315248.20 5470.0 – C57
2021-05-30 15:44:02 S 17 32 15.742 -45 46 15.06 – V C57
2021-05-30 15:44:02 s 1 +136758.17 7 +315667.74 2790.0 – C57
2021-05-30 15:54:02 S 17 32 12.523 -45 45 52.20 – V C57
2021-05-30 15:54:02 s 1 +136483.10 0 +316086.18 9060.0 – C57
2021-05-30 16:04:02 S 17 32 09.091 -45 45 26.89 – V C57
2021-05-30 16:04:02 s 1 +136207.54 3 +316503.54 4290.0 – C57
2021-05-30 16:14:02 S 17 32 05.690 -45 45 03.31 – V C57
2021-05-30 16:14:02 s 1 +135931.50 9 +316919.80 8480.0 – C57
2021-05-30 16:24:02 S 17 32 02.148 -45 44 37.46 – V C57
2021-05-30 16:24:02 s 1 +135654.99 9 +317334.98 1640.0 – C57
2021-05-30 16:34:02 S 17 31 58.831 -45 44 15.76 – V C57
2021-05-30 16:34:02 s 1 +135378.01 6 +317749.07 3770.0 – C57
2021-05-30 16:54:02 S 17 31 52.241 -45 43 28.63 – V C57
2021-05-30 16:54:02 s 1 +134822.63 8 +318574.00 4950.0 – C57
2021-05-30 17:04:02 S 17 31 48.898 -45 43 05.88 – V C57
2021-05-30 17:04:02 s 1 +134544.24 7 +318984.83 4010.0 – C57
2021-05-30 17:14:02 S 17 31 45.574 -45 42 41.87 – V C57
2021-05-30 17:14:02 s 1 +134265.39 1 +319394.59 2070.0 – C57
2021-05-30 17:44:02 S 17 31 35.410 -45 41 31.16 – V C57
2021-05-30 17:44:02 s 1 +133426.05 1 +320617.36 220.0 – C57
2021-05-30 18:04:02 S 17 31 28.644 -45 40 43.36 – V C57
2021-05-30 18:04:02 s 1 +132864.20 1 +321427.15 7350.0 – C57
2021-05-30 18:24:02 S 17 31 22.068 -45 39 58.32 – V C57
2021-05-30 18:24:02 s 1 +132300.53 7 +322232.64 560.0 – C57
2021-05-30 18:34:02 S 17 31 18.950 -45 39 35.57 – V C57
2021-05-30 18:34:02 s 1 +132018.03 0 +322633.77 700.0 – C57
2021-05-30 18:54:02 S 17 31 12.005 -45 38 46.18 – V C57
2021-05-30 18:54:02 s 1 +131451.67 5 +323432.81 8090.0 – C57
2021-05-30 19:04:02 S 17 31 08.671 -45 38 22.99 – V C57
2021-05-30 19:04:02 s 1 +131167.83 1 +323830.73 5340.0 – C57
2021-05-30 19:14:02 S 17 31 05.342 -45 38 00.38 – V C57
2021-05-30 19:14:02 s 1 +130883.54 5 +324227.57 1630.0 – C57
2021-05-30 19:34:02 S 17 30 58.591 -45 37 11.86 – V C57
2021-05-30 19:34:02 s 1 +130313.65 5 +325018.05 1380.0 – C57
2021-05-30 19:44:02 S 17 30 55.378 -45 36 49.82 – V C57
2021-05-30 19:44:02 s 1 +130028.05 5 +325411.69 4840.0 – C57
2021-05-30 19:54:02 S 17 30 52.092 -45 36 25.92 – V C57