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
2021-05-28 03:34:02 s 1 +176082.82 2 +82107.620 5730.0 – C57
2021-05-28 03:44:02 S 17 55 49.565 -48 16 39.40 – V C57
2021-05-28 03:44:02 s 1 +176282.92 0 +83013.887 3740.0 – C57
2021-05-28 03:54:02 S 17 55 44.794 -48 16 11.32 – V C57
2021-05-28 03:54:02 s 1 +176479.81 8 +83918.657 4120.0 – C57
2021-05-28 04:04:02 S 17 55 40.320 -48 15 44.71 – V C57
2021-05-28 04:04:02 s 1 +176673.53 8 +84821.925 6910.0 – C57
2021-05-28 04:14:02 S 17 55 35.621 -48 15 19.30 – V C57
2021-05-28 04:14:02 s 1 +176864.10 5 +85723.690 2190.0 – C57
2021-05-28 04:24:02 S 17 55 31.138 -48 14 52.37 – V C57
2021-05-28 04:24:02 s 1 +177051.54 1 +86623.946 0.0 – C57
2021-05-28 04:34:02 S 17 55 26.508 -48 14 25.44 – V C57
2021-05-28 04:34:02 s 1 +177235.86 7 +87522.691 410.0 – C57
2021-05-28 04:44:02 S 17 55 21.893 -48 13 58.58 – V C57
2021-05-28 04:44:02 s 1 +177417.10 8 +88419.922 3460.0 – C57
2021-05-28 04:54:02 S 17 55 17.285 -48 13 31.33 – V C57
2021-05-28 04:54:02 s 1 +177595.28 4 +89315.635 9210.0 – C57
2021-05-28 05:04:02 S 17 55 12.662 -48 13 04.48 – V C57
2021-05-28 05:04:02 s 1 +177770.41 8 +90209.829 7720.0 – C57
2021-05-28 05:14:02 S 17 55 08.059 -48 12 37.58 – V C57
2021-05-28 05:14:02 s 1 +177942.53 1 +91102.499 9030.0 – C57
2021-05-28 05:24:02 S 17 55 03.648 -48 12 12.74 – V C57
2021-05-28 05:24:02 s 1 +178111.64 6 +91993.645 3210.0 – C57
2021-05-28 05:34:02 S 17 54 59.076 -48 11 45.49 – V C57
2021-05-28 05:34:02 s 1 +178277.78 2 +92883.262 300.0 – C57
2021-05-28 05:44:02 S 17 54 54.430 -48 11 20.26 – V C57
2021-05-28 05:44:02 s 1 +178440.96 2 +93771.349 360.0 – C57
2021-05-28 05:54:02 S 17 54 49.913 -48 10 51.74 – V C57
2021-05-28 05:54:02 s 1 +178601.20 6 +94657.903 3440.0 – C57
2021-05-28 06:14:02 S 17 54 40.954 -48 10 00.16 – V C57
2021-05-28 06:14:02 s 1 +178912.96 9 +96426.405 8850.0 – C57
2021-05-28 06:24:02 S 17 54 36.329 -48 09 33.84 – V C57
2021-05-28 06:24:02 s 1 +179064.53 0 +97308.349 1290.0 – C57
2021-05-28 06:34:02 S 17 54 31.903 -48 09 08.14 – V C57
2021-05-28 06:34:02 s 1 +179213.23 6 +98188.752 6950.0 – C57
2021-05-28 06:44:02 S 17 54 27.274 -48 08 41.46 – V C57
2021-05-28 06:44:02 s 1 +179359.10 7 +99067.613 5870.0 – C57
2021-05-28 06:54:02 S 17 54 22.706 -48 08 14.71 – V C57
2021-05-28 06:54:02 s 1 +179502.16 5 +99944.929 8110.0 – C57
2021-05-28 07:04:02 S 17 54 18.346 -48 07 48.29 – V C57
2021-05-28 07:04:02 s 1 +179642.42 7 +100820.70 3710.0 – C57
2021-05-28 07:14:02 S 17 54 13.675 -48 07 22.19 – V C57
2021-05-28 07:14:02 s 1 +179779.91 4 +101694.92 2730.0 – C57
2021-05-28 07:24:02 S 17 54 09.240 -48 06 55.08 – V C57
2021-05-28 07:24:02 s 1 +179914.64 5 +102567.59 5210.0 – C57
2021-05-28 07:34:02 S 17 54 04.673 -48 06 28.98 – V C57
2021-05-28 07:34:02 s 1 +180046.63 8 +103438.72 1190.0 – C57
2021-05-28 07:44:02 S 17 54 00.127 -48 06 02.27 – V C57
2021-05-28 07:44:02 s 1 +180175.91 3 +104308.29 730.0 – C57
2021-05-28 08:04:02 S 17 53 51.170 -48 05 09.46 – V C57