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
2021-05-27 17:34:02 s 1 +157188.93 8 +25243.668 7610.0 – C57
2021-05-27 17:44:02 S 18 00 36.487 -48 43 28.78 – V C57
2021-05-27 17:44:02 s 1 +157633.58 7 +26225.226 4690.0 – C57
2021-05-27 17:54:02 S 18 00 31.558 -48 43 00.88 – V C57
2021-05-27 17:54:02 s 1 +158073.13 1 +27205.942 9370.0 – C57
2021-05-27 18:14:02 S 18 00 21.581 -48 42 06.95 – V C57
2021-05-27 18:14:02 s 1 +158937.07 4 +29164.758 1930.0 – C57
2021-05-27 18:24:02 S 18 00 16.622 -48 41 39.05 – V C57
2021-05-27 18:24:02 s 1 +159361.55 3 +30142.815 20.0 – C57
2021-05-27 18:34:02 S 18 00 11.746 -48 41 15.76 – V C57
2021-05-27 18:34:02 s 1 +159781.09 3 +31119.945 6130.0 – C57
2021-05-27 18:44:02 S 18 00 06.715 -48 40 45.80 – V C57
2021-05-27 18:44:02 s 1 +160195.73 3 +32096.128 340.0 – C57
2021-05-27 18:54:02 S 18 00 02.016 -48 40 20.96 – V C57
2021-05-27 18:54:02 s 1 +160605.51 2 +33071.343 2770.0 – C57
2021-05-27 19:24:02 S 17 59 47.153 -48 38 57.77 – V C57
2021-05-27 19:24:02 s 1 +161806.07 8 +35991.003 340.0 – C57
2021-05-27 19:34:02 S 17 59 42.490 -48 38 31.74 – V C57
2021-05-27 19:34:02 s 1 +162196.80 4 +36962.167 6600.0 – C57
2021-05-27 19:44:02 S 17 59 37.404 -48 38 04.02 – V C57
2021-05-27 19:44:02 s 1 +162582.86 4 +37932.275 1570.0 – C57
2021-05-27 19:54:02 S 17 59 32.594 -48 37 37.63 – V C57
2021-05-27 19:54:02 s 1 +162964.29 3 +38901.310 5340.0 – C57
2021-05-27 20:04:02 S 17 59 27.646 -48 37 10.02 – V C57
2021-05-27 20:04:02 s 1 +163341.12 9 +39869.256 7990.0 – C57
2021-05-27 20:24:02 S 17 59 18.595 -48 36 18.90 – V C57
2021-05-27 20:24:02 s 1 +164081.17 0 +41801.819 330.0 – C57
2021-05-27 20:34:02 S 17 59 11.717 -48 35 49.85 – V C57
2021-05-27 20:34:02 s 1 +164444.44 7 +42766.406 210.0 – C57
2021-05-27 20:54:02 S 17 59 03.362 -48 34 56.75 – V C57
2021-05-27 20:54:02 s 1 +165157.69 2 +44692.118 7800.0 – C57
2021-05-27 21:04:02 S 17 58 58.334 -48 34 29.39 – V C57
2021-05-27 21:04:02 s 1 +165507.73 1 +45653.216 5700.0 – C57
2021-05-27 21:14:02 S 17 58 53.731 -48 34 01.31 – V C57
2021-05-27 21:14:02 s 1 +165853.42 8 +46613.123 3120.0 – C57
2021-05-27 21:34:02 S 17 58 44.249 -48 33 09.18 – V C57
2021-05-27 21:34:02 s 1 +166531.92 9 +48529.316 6860.0 – C57
2021-05-27 22:24:02 S 17 58 19.968 -48 30 53.89 – V C57
2021-05-27 22:24:02 s 1 +168154.55 0 +53298.110 8700.0 – C57
2021-05-27 22:34:02 S 17 58 15.070 -48 30 27.22 – V C57
2021-05-27 22:34:02 s 1 +168466.71 4 +54248.060 5300.0 – C57
2021-05-27 22:44:02 S 17 58 10.442 -48 30 00.54 – V C57
2021-05-27 22:44:02 s 1 +168774.83 2 +55196.715 2160.0 – C57
2021-05-27 22:54:02 S 17 58 05.638 -48 29 32.50 – V C57
2021-05-27 22:54:02 s 1 +169078.93 7 +56144.066 9360.0 – C57
2021-05-27 23:04:02 S 17 58 00.718 -48 29 06.83 – V C57
2021-05-27 23:04:02 s 1 +169379.05 9 +57090.103 6990.0 – C57
2021-05-27 23:14:02 S 17 57 56.153 -48 28 39.07 – V C57
2021-05-27 23:14:02 s 1 +169675.23 0 +58034.816 5110.0 – C57
2021-05-27 23:24:02 S 17 57 51.382 -48 28 13.12 – V C57