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
2021-05-29 08:24:02 s 1 +177001.08 8 +216182.68 5620.0 – C57
2021-05-29 08:34:02 S 17 43 35.774 -47 02 07.94 – V C57
2021-05-29 08:34:02 s 1 +176867.19 2 +216830.10 9800.0 – C57
2021-05-29 08:44:02 S 17 43 31.836 -47 01 41.38 – V C57
2021-05-29 08:44:02 s 1 +176732.16 7 +217476.16 1400.0 – C57
2021-05-29 08:54:02 S 17 43 27.962 -47 01 18.12 – V C57
2021-05-29 08:54:02 s 1 +176596.02 0 +218120.85 410.0 – C57
2021-05-29 09:04:02 S 17 43 24.091 -47 00 52.09 – V C57
2021-05-29 09:04:02 s 1 +176458.75 6 +218764.17 6860.0 – C57
2021-05-29 09:14:02 S 17 43 20.057 -47 00 26.32 – V C57
2021-05-29 09:14:02 s 1 +176320.38 1 +219406.13 760.0 – C57
2021-05-29 09:24:02 S 17 43 16.222 -47 00 02.02 – V C57
2021-05-29 09:24:02 s 1 +176180.90 0 +220046.73 2120.0 – C57
2021-05-29 09:34:02 S 17 43 12.454 -46 59 37.14 – V C57
2021-05-29 09:34:02 s 1 +176040.31 8 +220685.97 960.0 – C57
2021-05-29 09:44:02 S 17 43 08.513 -46 59 13.49 – V C57
2021-05-29 09:44:02 s 1 +175898.64 2 +221323.85 7280.0 – C57
2021-05-29 09:54:02 S 17 43 04.572 -46 58 46.78 – V C57
2021-05-29 09:54:02 s 1 +175755.87 6 +221960.38 1110.0 – C57
2021-05-29 10:04:02 S 17 43 00.782 -46 58 21.90 – V C57
2021-05-29 10:04:02 s 1 +175612.02 6 +222595.56 2450.0 – C57
2021-05-29 10:14:02 S 17 42 56.849 -46 57 56.48 – V C57
2021-05-29 10:14:02 s 1 +175467.09 8 +223229.38 1330.0 – C57
2021-05-29 10:24:02 S 17 42 52.805 -46 57 30.89 – V C57
2021-05-29 10:24:02 s 1 +175321.09 7 +223861.85 7740.0 – C57
2021-05-29 10:34:02 S 17 42 48.982 -46 57 06.73 – V C57
2021-05-29 10:34:02 s 1 +175174.02 7 +224492.97 1710.0 – C57
2021-05-29 10:44:02 S 17 42 45.125 -46 56 41.71 – V C57
2021-05-29 10:44:02 s 1 +175025.89 6 +225122.75 3240.0 – C57
2021-05-29 10:54:02 S 17 42 41.234 -46 56 15.22 – V C57
2021-05-29 10:54:02 s 1 +174876.70 6 +225751.18 2350.0 – C57
2021-05-29 11:04:02 S 17 42 37.087 -46 55 50.59 – V C57
2021-05-29 11:04:02 s 1 +174726.46 5 +226378.27 9050.0 – C57
2021-05-29 11:14:02 S 17 42 33.634 -46 55 27.95 – V C57
2021-05-29 11:14:02 s 1 +174575.17 7 +227004.02 3360.0 – C57
2021-05-29 11:24:02 S 17 42 29.621 -46 55 01.96 – V C57
2021-05-29 11:24:02 s 1 +174422.84 6 +227628.43 5280.0 – C57
2021-05-29 11:34:02 S 17 42 25.778 -46 54 36.58 – V C57
2021-05-29 11:34:02 s 1 +174269.48 0 +228251.50 4830.0 – C57
2021-05-29 11:44:02 S 17 42 21.982 -46 54 11.92 – V C57
2021-05-29 11:44:02 s 1 +174115.08 1 +228873.24 2020.0 – C57
2021-05-29 11:54:02 S 17 42 18.031 -46 53 45.53 – V C57
2021-05-29 11:54:02 s 1 +173959.65 6 +229493.64 6870.0 – C57
2021-05-29 12:04:02 S 17 42 14.273 -46 53 21.88 – V C57
2021-05-29 12:04:02 s 1 +173803.21 0 +230112.71 9380.0 – C57
2021-05-29 12:14:02 S 17 42 10.351 -46 52 56.57 – V C57
2021-05-29 12:14:02 s 1 +173645.74 7 +230730.45 9560.0 – C57
2021-05-29 12:24:02 S 17 42 06.667 -46 52 31.66 – V C57
2021-05-29 12:24:02 s 1 +173487.27 2 +231346.86 7430.0 – C57
2021-05-29 12:34:02 S 17 42 02.786 -46 52 06.64 – V C57