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 08:54:02 s 1 +147596.86 4 +297558.73 2840.0 – C57
2021-05-30 09:04:02 S 17 34 33.211 -46 02 05.68 – V C57
2021-05-30 09:04:02 s 1 +147343.33 4 +298022.87 6430.0 – C57
2021-05-30 09:34:02 S 17 34 22.680 -46 00 53.46 – V C57
2021-05-30 09:34:02 s 1 +146579.31 9 +299408.45 9640.0 – C57
2021-05-30 09:44:02 S 17 34 19.078 -46 00 28.91 – V C57
2021-05-30 09:44:02 s 1 +146323.51 5 +299868.04 8210.0 – C57
2021-05-30 09:54:02 S 17 34 15.727 -46 00 05.69 – V C57
2021-05-30 09:54:02 s 1 +146067.14 8 +300326.50 5540.0 – C57
2021-05-30 10:04:02 S 17 34 12.175 -45 59 39.84 – V C57
2021-05-30 10:04:02 s 1 +145810.22 2 +300783.82 1630.0 – C57
2021-05-30 10:14:02 S 17 34 08.784 -45 59 16.76 – V C57
2021-05-30 10:14:02 s 1 +145552.73 7 +301240.01 6480.0 – C57
2021-05-30 10:24:02 S 17 34 05.330 -45 58 52.61 – V C57
2021-05-30 10:24:02 s 1 +145294.69 8 +301695.08 120.0 – C57
2021-05-30 10:34:02 S 17 34 01.865 -45 58 29.78 – V C57
2021-05-30 10:34:02 s 1 +145036.10 6 +302149.01 2530.0 – C57
2021-05-30 10:44:02 S 17 33 58.637 -45 58 05.88 – V C57
2021-05-30 10:44:02 s 1 +144776.96 3 +302601.82 3740.0 – C57
2021-05-30 10:54:02 S 17 33 54.905 -45 57 42.44 – V C57
2021-05-30 10:54:02 s 1 +144517.27 3 +303053.50 3730.0 – C57
2021-05-30 11:04:02 S 17 33 51.478 -45 57 18.43 – V C57
2021-05-30 11:04:02 s 1 +144257.03 7 +303504.06 2520.0 – C57
2021-05-30 11:14:02 S 17 33 48.082 -45 56 55.93 – V C57
2021-05-30 11:14:02 s 1 +143996.25 8 +303953.49 120.0 – C57
2021-05-30 11:24:02 S 17 33 44.688 -45 56 30.77 – V C57
2021-05-30 11:24:02 s 1 +143734.93 8 +304401.80 6530.0 – C57
2021-05-30 11:34:02 S 17 33 41.112 -45 56 05.78 – V C57
2021-05-30 11:34:02 s 1 +143473.07 9 +304848.99 1750.0 – C57
2021-05-30 11:44:02 S 17 33 37.819 -45 55 42.42 – V C57
2021-05-30 11:44:02 s 1 +143210.68 4 +305295.06 5790.0 – C57
2021-05-30 12:24:02 S 17 33 24.060 -45 54 07.38 – V C57
2021-05-30 12:24:02 s 1 +142155.78 8 +307068.16 260.0 – C57
2021-05-30 12:34:02 S 17 33 20.412 -45 53 44.52 – V C57
2021-05-30 12:34:02 s 1 +141890.74 6 +307508.64 8490.0 – C57
2021-05-30 12:44:02 S 17 33 17.153 -45 53 20.65 – V C57
2021-05-30 12:44:02 s 1 +141625.18 1 +307948.02 5560.0 – C57
2021-05-30 12:54:02 S 17 33 13.742 -45 52 56.35 – V C57
2021-05-30 12:54:02 s 1 +141359.09 7 +308386.28 1500.0 – C57
2021-05-30 13:04:02 S 17 33 10.361 -45 52 34.07 – V C57
2021-05-30 13:04:02 s 1 +141092.49 4 +308823.43 6300.0 – C57
2021-05-30 13:34:02 S 17 33 00.043 -45 51 21.64 – V C57
2021-05-30 13:34:02 s 1 +140289.59 9 +310128.23 3930.0 – C57
2021-05-30 13:44:02 S 17 32 56.534 -45 50 58.20 – V C57
2021-05-30 13:44:02 s 1 +140020.94 6 +310560.95 4230.0 – C57
2021-05-30 13:54:02 S 17 32 53.234 -45 50 33.61 – V C57
2021-05-30 13:54:02 s 1 +139751.78 6 +310992.57 3430.0 – C57
2021-05-30 14:04:02 S 17 32 49.795 -45 50 11.44 – V C57
2021-05-30 14:04:02 s 1 +139482.12 1 +311423.08 1520.0 – C57
2021-05-30 14:14:02 S 17 32 46.361 -45 49 46.74 – V C57