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 08:04:02 s 1 +180426.38 2 +106042.78 640.0 – C57
2021-05-28 08:14:02 S 17 53 46.711 -48 04 43.21 – V C57
2021-05-28 08:14:02 s 1 +180547.61 3 +106907.69 1100.0 – C57
2021-05-28 08:24:02 S 17 53 42.194 -48 04 17.51 – V C57
2021-05-28 08:24:02 s 1 +180666.19 9 +107771.05 5300.0 – C57
2021-05-28 08:34:02 S 17 53 37.634 -48 03 49.86 – V C57
2021-05-28 08:34:02 s 1 +180782.15 8 +108632.85 3280.0 – C57
2021-05-28 08:44:02 S 17 53 33.374 -48 03 24.12 – V C57
2021-05-28 08:44:02 s 1 +180895.50 8 +109493.10 5080.0 – C57
2021-05-28 08:54:02 S 17 53 28.769 -48 02 57.84 – V C57
2021-05-28 08:54:02 s 1 +181006.26 7 +110351.78 740.0 – C57
2021-05-28 09:04:02 S 17 53 24.365 -48 02 32.14 – V C57
2021-05-28 09:04:02 s 1 +181114.45 2 +111208.91 310.0 – C57
2021-05-28 09:14:02 S 17 53 19.922 -48 02 05.78 – V C57
2021-05-28 09:14:02 s 1 +181220.08 1 +112064.48 3830.0 – C57
2021-05-28 09:24:02 S 17 53 15.367 -48 01 38.35 – V C57
2021-05-28 09:24:02 s 1 +181323.17 0 +112918.49 1350.0 – C57
2021-05-28 09:34:02 S 17 53 11.227 -48 01 13.58 – V C57
2021-05-28 09:34:02 s 1 +181423.73 6 +113770.94 2890.0 – C57
2021-05-28 09:44:02 S 17 53 06.367 -48 00 44.93 – V C57
2021-05-28 09:44:02 s 1 +181521.79 8 +114621.83 8510.0 – C57
2021-05-28 09:54:02 S 17 53 02.074 -48 00 20.77 – V C57
2021-05-28 09:54:02 s 1 +181617.37 0 +115471.16 8250.0 – C57
2021-05-28 10:04:02 S 17 52 57.629 -47 59 54.56 – V C57
2021-05-28 10:04:02 s 1 +181710.47 1 +116318.93 2140.0 – C57
2021-05-28 10:14:02 S 17 52 53.158 -47 59 26.88 – V C57
2021-05-28 10:14:02 s 1 +181801.11 5 +117165.14 230.0 – C57
2021-05-28 10:24:02 S 17 52 48.758 -47 59 01.28 – V C57
2021-05-28 10:24:02 s 1 +181889.32 0 +118009.78 2550.0 – C57
2021-05-28 10:34:02 S 17 52 44.210 -47 58 34.54 – V C57
2021-05-28 10:34:02 s 1 +181975.10 2 +118852.87 9160.0 – C57
2021-05-28 10:44:02 S 17 52 39.917 -47 58 08.40 – V C57
2021-05-28 10:44:02 s 1 +182058.47 6 +119694.39 70.0 – C57
2021-05-28 10:54:02 S 17 52 35.429 -47 57 43.88 – V C57
2021-05-28 10:54:02 s 1 +182139.45 9 +120534.36 5340.0 – C57
2021-05-28 11:04:02 S 17 52 30.972 -47 57 16.24 – V C57
2021-05-28 11:04:02 s 1 +182218.06 6 +121372.76 5000.0 – C57
2021-05-28 11:14:02 S 17 52 26.736 -47 56 49.67 – V C57
2021-05-28 11:14:02 s 1 +182294.31 2 +122209.60 9090.0 – C57
2021-05-28 11:24:02 S 17 52 22.121 -47 56 23.82 – V C57
2021-05-28 11:24:02 s 1 +182368.21 4 +123044.88 7650.0 – C57
2021-05-28 11:34:02 S 17 52 17.875 -47 55 57.04 – V C57
2021-05-28 11:34:02 s 1 +182439.78 6 +123878.60 710.0 – C57
2021-05-28 11:44:02 S 17 52 13.454 -47 55 31.26 – V C57
2021-05-28 11:44:02 s 1 +182509.04 3 +124710.76 8320.0 – C57
2021-05-28 11:54:02 S 17 52 09.134 -47 55 05.27 – V C57
2021-05-28 11:54:02 s 1 +182576.00 1 +125541.36 500.0 – C57
2021-05-28 12:34:02 S 17 51 51.614 -47 53 20.76 – V C57
2021-05-28 12:34:02 s 1 +182821.13 3 +128848.17 5730.0 – C57
2021-05-28 12:44:02 S 17 51 47.134 -47 52 53.98 – V C57