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
2021-06-01 17:34:01 s 1 +40155.911 0 +395997.07 8410.0 C57
2021-06-01 17:44:01 S 17 17 01.082 -43 53 46.61 V C57
2021-06-01 17:44:01 s 1 +39803.235 0 +396124.66 1140.0 C57
2021-06-01 17:54:01 S 17 16 58.253 -43 53 25.04 V C57
2021-06-01 17:54:01 s 1 +39450.463 0 +396251.35 3760.0 C57
2021-06-01 18:04:02 S 17 16 55.613 -43 53 02.94 V C57
2021-06-01 18:04:02 s 1 +39097.598 0 +396377.15 6280.0 C57
2021-06-01 18:14:01 S 17 16 52.800 -43 52 41.99 V C57
2021-06-01 18:14:01 s 1 +38744.640 0 +396502.06 8690.0 C57
2021-06-01 18:24:01 S 17 16 49.968 -43 52 20.28 V C57
2021-06-01 18:24:01 s 1 +38391.590 0 +396626.08 1010.0 C57
2021-06-01 18:34:01 S 17 16 47.213 -43 51 58.90 V C57
2021-06-01 18:34:01 s 1 +38038.449 0 +396749.20 3220.0 C57
2021-06-01 18:44:01 S 17 16 44.575 -43 51 38.27 V C57
2021-06-01 18:44:01 s 1 +37685.217 0 +396871.44 5340.0 C57
2021-06-01 18:54:01 S 17 16 41.892 -43 51 18.47 V C57
2021-06-01 18:54:01 s 1 +37331.896 0 +396992.78 7370.0 C57
2021-06-01 19:04:01 S 17 16 38.916 -43 50 53.59 V C57
2021-06-01 19:04:01 s 1 +36978.486 0 +397113.23 9300.0 C57
2021-06-01 19:14:01 S 17 16 36.247 -43 50 33.25 V C57
2021-06-01 19:14:01 s 1 +36624.989 0 +397232.79 1140.0 C57
2021-06-01 19:24:01 S 17 16 33.466 -43 50 10.64 V C57
2021-06-01 19:24:01 s 1 +36271.405 0 +397351.46 2900.0 C57
2021-06-01 19:34:02 S 17 16 30.790 -43 49 50.66 V C57
2021-06-01 19:34:02 s 1 +35917.734 0 +397469.24 4570.0 C57
2021-06-01 19:44:01 S 17 16 28.099 -43 49 28.96 V C57
2021-06-01 19:44:01 s 1 +35563.978 0 +397586.13 6150.0 C57
2021-06-01 19:54:01 S 17 16 25.330 -43 49 08.65 V C57
2021-06-01 19:54:01 s 1 +35210.138 0 +397702.14 7660.0 C57
2021-06-01 20:04:01 S 17 16 22.704 -43 48 47.77 V C57
2021-06-01 20:04:01 s 1 +34856.215 0 +397817.25 910.0 C57
2021-06-01 20:14:01 S 17 16 19.800 -43 48 25.45 V C57
2021-06-01 20:14:01 s 1 +34502.209 0 +397931.47 9570.0 C57
2021-06-01 20:24:01 S 17 16 17.256 -43 48 05.40 V C57
2021-06-01 20:24:01 s 1 +34148.121 0 +398044.80 8290.0 C57
2021-06-01 20:34:01 S 17 16 14.503 -43 47 44.38 V C57
2021-06-01 20:34:01 s 1 +33793.952 0 +398157.25 7090.0 C57
2021-06-01 20:44:01 S 17 16 11.731 -43 47 23.50 V C57
2021-06-01 20:44:01 s 1 +33439.703 0 +398268.81 5960.0 C57
2021-06-01 20:54:01 S 17 16 09.070 -43 46 59.12 V C57
2021-06-01 20:54:01 s 1 +33085.374 0 +398379.48 4900.0 C57
2021-06-01 21:14:01 S 17 16 03.614 -43 46 18.52 V C57
2021-06-01 21:14:01 s 1 +32376.483 0 +398598.15 2970.0 C57
2021-06-01 21:24:01 S 17 16 00.730 -43 45 56.20 V C57
2021-06-01 21:24:01 s 1 +32021.922 0 +398706.16 2100.0 C57
2021-06-01 21:34:01 S 17 15 58.181 -43 45 34.78 V C57
2021-06-01 21:34:01 s 1 +31667.285 0 +398813.28 1280.0 C57
2021-06-01 21:44:01 S 17 15 55.337 -43 45 14.00 V C57
2021-06-01 21:44:01 s 1 +31312.574 0 +398919.52 530.0 C57
2021-06-01 21:54:01 S 17 15 52.646 -43 44 52.73 V C57