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 21:54:01 s 1 +30957.787 0 +399024.87 9830.0 – C57
2021-06-01 22:04:01 S 17 15 49.954 -43 44 32.35 – V C57
2021-06-01 22:04:01 s 1 +30602.928 0 +399129.33 9190.0 – C57
2021-06-01 22:14:01 S 17 15 47.407 -43 44 12.05 – V C57
2021-06-01 22:14:01 s 1 +30247.996 0 +399232.91 8590.0 – C57
2021-06-01 22:24:01 S 17 15 44.666 -43 43 50.41 – V C57
2021-06-01 22:24:01 s 1 +29892.992 0 +399335.60 8050.0 – C57
2021-06-01 22:34:01 S 17 15 41.822 -43 43 27.62 – V C57
2021-06-01 22:34:01 s 1 +29537.917 0 +399437.41 7550.0 – C57
2021-06-01 22:44:01 S 17 15 39.192 -43 43 07.54 – V C57
2021-06-01 22:44:01 s 1 +29182.773 0 +399538.33 7100.0 – C57
2021-06-01 22:54:01 S 17 15 36.509 -43 42 46.19 – V C57
2021-06-01 22:54:01 s 1 +28827.559 0 +399638.37 6690.0 – C57
2021-06-01 23:04:01 S 17 15 33.862 -43 42 23.94 – V C57
2021-06-01 23:04:01 s 1 +28472.277 0 +399737.52 6320.0 – C57
2021-06-01 23:14:01 S 17 15 31.070 -43 42 03.85 – V C57
2021-06-01 23:14:01 s 1 +28116.927 0 +399835.79 5980.0 – C57
2021-06-01 23:24:01 S 17 15 28.322 -43 41 42.29 – V C57
2021-06-01 23:24:01 s 1 +27761.511 0 +399933.18 5690.0 – C57
2021-06-01 23:34:01 S 17 15 25.630 -43 41 20.08 – V C57
2021-06-01 23:34:01 s 1 +27406.029 0 +400029.68 5430.0 – C57
2021-06-01 23:44:01 S 17 15 22.901 -43 40 59.74 – V C57
2021-06-01 23:44:01 s 1 +27050.481 0 +400125.30 5200.0 – C57
2021-06-01 23:54:01 S 17 15 20.330 -43 40 40.12 – V C57
2021-06-01 23:54:01 s 1 +26694.870 0 +400220.03 5000.0 – C57
2021-06-02 00:14:01 S 17 15 14.962 -43 39 57.31 – V C57
2021-06-02 00:14:01 s 1 +25983.457 0 +400406.86 4680.0 – C57
2021-06-02 00:24:01 S 17 15 12.247 -43 39 35.03 – V C57
2021-06-02 00:24:01 s 1 +25627.658 0 +400498.94 4560.0 – C57
2021-06-02 00:34:01 S 17 15 09.535 -43 39 14.00 – V C57
2021-06-02 00:34:01 s 1 +25271.798 0 +400590.15 4460.0 – C57
2021-06-02 00:44:01 S 17 15 06.869 -43 38 53.77 – V C57
2021-06-02 00:44:01 s 1 +24915.878 0 +400680.48 4370.0 – C57
2021-06-02 00:54:01 S 17 15 04.181 -43 38 32.28 – V C57
2021-06-02 00:54:01 s 1 +24559.898 0 +400769.92 4310.0 – C57
2021-06-02 01:04:01 S 17 15 01.538 -43 38 10.57 – V C57
2021-06-02 01:04:01 s 1 +24203.860 0 +400858.48 4260.0 – C57
2021-06-02 01:14:01 S 17 14 58.867 -43 37 50.23 – V C57
2021-06-02 01:14:01 s 1 +23847.765 0 +400946.16 4220.0 – C57
2021-06-02 01:24:01 S 17 14 56.105 -43 37 28.27 – V C57
2021-06-02 01:24:01 s 1 +23491.612 0 +401032.96 4200.0 – C57
2021-06-02 01:34:01 S 17 14 53.537 -43 37 07.86 – V C57
2021-06-02 01:34:01 s 1 +23135.404 0 +401118.88 4180.0 – C57
2021-06-02 01:44:01 S 17 14 51.014 -43 36 46.98 – V C57
2021-06-02 01:44:01 s 1 +22779.140 0 +401203.92 4170.0 – C57
2021-06-02 02:04:01 S 17 14 45.506 -43 36 05.72 – V C57
2021-06-02 02:04:01 s 1 +22066.451 0 +401371.36 4160.0 – C57
2021-06-02 02:24:01 S 17 14 39.667 -43 35 24.22 – V C57
2021-06-02 02:24:01 s 1 +21353.551 0 +401535.27 4150.0 – C57
2021-06-02 02:34:01 S 17 14 37.325 -43 35 00.96 – V C57