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
2021-06-04 07:24:01 s 1 -90372.075 0 +383364.22 150.0 – C57
2021-06-04 07:34:01 S 17 01 46.745 -41 49 18.62 – V C57
2021-06-04 07:34:01 s 1 -90704.615 0 +383167.87 2540.0 – C57
2021-06-04 07:44:01 S 17 01 44.534 -41 48 59.44 – V C57
2021-06-04 07:44:01 s 1 -91036.946 0 +382970.64 4230.0 – C57
2021-06-04 07:54:01 S 17 01 42.266 -41 48 39.64 – V C57
2021-06-04 07:54:01 s 1 -91369.067 0 +382772.51 5220.0 – C57
2021-06-04 08:04:01 S 17 01 40.152 -41 48 22.36 – V C57
2021-06-04 08:04:01 s 1 -91700.976 0 +382573.50 5510.0 – C57
2021-06-04 08:14:01 S 17 01 37.836 -41 48 02.41 – V C57
2021-06-04 08:14:01 s 1 -92032.673 0 +382373.59 5090.0 – C57
2021-06-04 08:24:01 S 17 01 35.686 -41 47 44.45 – V C57
2021-06-04 08:24:01 s 1 -92364.157 0 +382172.79 3950.0 – C57
2021-06-04 08:34:01 S 17 01 33.422 -41 47 26.02 – V C57
2021-06-04 08:34:01 s 1 -92695.426 0 +381971.11 2100.0 – C57
2021-06-04 08:44:01 S 17 01 31.255 -41 47 06.11 – V C57
2021-06-04 08:44:01 s 1 -93026.481 0 +381768.53 9530.0 – C57
2021-06-04 08:54:01 S 17 01 29.071 -41 46 47.39 – V C57
2021-06-04 08:54:01 s 1 -93357.319 0 +381565.05 6250.0 – C57
2021-06-04 09:04:01 S 17 01 26.926 -41 46 27.84 – V C57
2021-06-04 09:04:01 s 1 -93687.940 0 +381360.69 2240.0 – C57
2021-06-04 09:14:01 S 17 01 24.679 -41 46 08.08 – V C57
2021-06-04 09:14:01 s 1 -94018.344 0 +381155.44 7510.0 – C57
2021-06-04 09:44:01 S 17 01 17.909 -41 45 10.58 – V C57
2021-06-04 09:44:01 s 1 -95008.235 0 +380534.31 8940.0 – C57
2021-06-04 09:54:01 S 17 01 16.003 -41 44 55.36 – V C57
2021-06-04 09:54:01 s 1 -95337.756 0 +380325.49 1280.0 – C57
2021-06-04 10:04:01 S 17 01 13.716 -41 44 34.12 – V C57
2021-06-04 10:04:01 s 1 -95667.055 0 +380115.76 2890.0 – C57
2021-06-04 10:14:01 S 17 01 11.652 -41 44 18.38 – V C57
2021-06-04 10:14:01 s 1 -95996.129 0 +379905.15 3750.0 – C57
2021-06-04 10:24:01 S 17 01 09.312 -41 43 57.54 – V C57
2021-06-04 10:24:01 s 1 -96324.978 0 +379693.64 3870.0 – C57
2021-06-04 10:34:01 S 17 01 07.224 -41 43 40.15 – V C57
2021-06-04 10:34:01 s 1 -96653.602 0 +379481.23 3250.0 – C57
2021-06-04 10:44:01 S 17 01 04.814 -41 43 19.81 – V C57
2021-06-04 10:44:01 s 1 -96981.998 0 +379267.93 1870.0 – C57
2021-06-04 10:54:01 S 17 01 02.839 -41 43 01.20 – V C57
2021-06-04 10:54:01 s 1 -97310.167 0 +379053.74 9750.0 – C57
2021-06-04 11:04:01 S 17 01 00.566 -41 42 42.95 – V C57
2021-06-04 11:04:01 s 1 -97638.107 0 +378838.65 6870.0 – C57
2021-06-04 11:14:01 S 17 00 58.327 -41 42 24.01 – V C57
2021-06-04 11:14:01 s 1 -97965.817 0 +378622.66 3230.0 – C57
2021-06-04 11:24:01 S 17 00 56.261 -41 42 06.34 – V C57
2021-06-04 11:24:01 s 1 -98293.296 0 +378405.77 8830.0 – C57
2021-06-04 11:34:01 S 17 00 53.988 -41 41 46.43 – V C57
2021-06-04 11:34:01 s 1 -98620.543 0 +378187.99 3670.0 – C57
2021-06-04 11:54:01 S 17 00 49.639 -41 41 08.84 – V C57
2021-06-04 11:54:01 s 1 -99274.337 0 +377749.74 1050.0 – C57
2021-06-04 12:04:01 S 17 00 47.491 -41 40 51.28 – V C57