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
2021-06-01 03:14:01 s 1 +70033.300 0 +381644.08 3380.0 – C57
2021-06-01 03:24:02 S 17 21 04.514 -44 24 52.99 – V C57
2021-06-01 03:24:02 s 1 +69692.172 0 +381849.87 3910.0 – C57
2021-06-01 03:34:01 S 17 21 01.526 -44 24 30.78 – V C57
2021-06-01 03:34:01 s 1 +69350.870 0 +382054.73 4130.0 – C57
2021-06-01 03:44:02 S 17 20 58.706 -44 24 09.29 – V C57
2021-06-01 03:44:02 s 1 +69009.393 0 +382258.66 4040.0 – C57
2021-06-01 03:54:01 S 17 20 55.663 -44 23 46.21 – V C57
2021-06-01 03:54:01 s 1 +68667.743 0 +382461.66 3650.0 – C57
2021-06-01 04:04:02 S 17 20 52.872 -44 23 24.72 – V C57
2021-06-01 04:04:02 s 1 +68325.920 0 +382663.74 2960.0 – C57
2021-06-01 04:14:01 S 17 20 49.927 -44 23 02.22 – V C57
2021-06-01 04:14:01 s 1 +67983.927 0 +382864.89 1970.0 – C57
2021-06-01 04:24:01 S 17 20 47.105 -44 22 41.23 – V C57
2021-06-01 04:24:01 s 1 +67641.764 0 +383065.12 690.0 – C57
2021-06-01 04:34:02 S 17 20 44.210 -44 22 19.67 – V C57
2021-06-01 04:34:02 s 1 +67299.431 0 +383264.42 9110.0 – C57
2021-06-01 04:44:01 S 17 20 41.350 -44 21 57.02 – V C57
2021-06-01 04:44:01 s 1 +66956.931 0 +383462.80 7230.0 – C57
2021-06-01 04:54:02 S 17 20 38.256 -44 21 34.42 – V C57
2021-06-01 04:54:02 s 1 +66614.263 0 +383660.25 5070.0 – C57
2021-06-01 05:04:01 S 17 20 35.530 -44 21 13.82 – V C57
2021-06-01 05:04:01 s 1 +66271.429 0 +383856.78 2630.0 – C57
2021-06-01 05:14:02 S 17 20 32.666 -44 20 51.22 – V C57
2021-06-01 05:14:02 s 1 +65928.430 0 +384052.39 9900.0 – C57
2021-06-01 05:24:01 S 17 20 29.662 -44 20 29.08 – V C57
2021-06-01 05:24:01 s 1 +65585.268 0 +384247.08 6890.0 – C57
2021-06-01 05:34:01 S 17 20 26.964 -44 20 07.87 – V C57
2021-06-01 05:34:01 s 1 +65241.942 0 +384440.85 3600.0 – C57
2021-06-01 05:44:01 S 17 20 23.851 -44 19 45.88 – V C57
2021-06-01 05:44:01 s 1 +64898.453 0 +384633.69 30.0 – C57
2021-06-01 05:54:01 S 17 20 21.029 -44 19 22.48 – V C57
2021-06-01 05:54:01 s 1 +64554.804 0 +384825.61 6190.0 – C57
2021-06-01 06:04:02 S 17 20 18.144 -44 19 01.85 – V C57
2021-06-01 06:04:02 s 1 +64210.995 0 +385016.62 2070.0 – C57
2021-06-01 06:14:01 S 17 20 15.293 -44 18 39.31 – V C57
2021-06-01 06:14:01 s 1 +63867.026 0 +385206.70 7690.0 – C57
2021-06-01 06:24:02 S 17 20 12.463 -44 18 17.75 – V C57
2021-06-01 06:24:02 s 1 +63522.900 0 +385395.86 3040.0 – C57
2021-06-01 06:34:01 S 17 20 09.461 -44 17 56.15 – V C57
2021-06-01 06:34:01 s 1 +63178.616 0 +385584.11 8130.0 – C57
2021-06-01 06:44:02 S 17 20 06.696 -44 17 34.12 – V C57
2021-06-01 06:44:02 s 1 +62834.176 0 +385771.43 2960.0 – C57
2021-06-01 06:54:01 S 17 20 03.768 -44 17 13.49 – V C57
2021-06-01 06:54:01 s 1 +62489.581 0 +385957.84 7520.0 – C57
2021-06-01 07:04:01 S 17 20 00.905 -44 16 49.58 – V C57
2021-06-01 07:04:01 s 1 +62144.831 0 +386143.33 1830.0 – C57
2021-06-01 07:14:01 S 17 19 58.018 -44 16 28.70 – V C57
2021-06-01 07:14:01 s 1 +61799.929 0 +386327.90 5890.0 – C57
2021-06-01 07:24:01 S 17 19 55.133 -44 16 06.78 – V C57