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
2021-06-15 16:54:01 S 16 21 14.911 -34 30 59.87 V C57
2021-06-15 16:54:01 s 1 +70995.922 0 +381935.34 7150.0 C57
2021-06-15 17:04:01 S 16 21 14.150 -34 30 49.68 V C57
2021-06-15 17:04:01 s 1 +70652.914 0 +382141.34 550.0 C57
2021-06-15 17:14:01 S 16 21 13.325 -34 30 34.81 V C57
2021-06-15 17:14:01 s 1 +70309.735 0 +382346.41 3670.0 C57
2021-06-15 17:24:01 S 16 21 12.341 -34 30 25.13 V C57
2021-06-15 17:24:01 s 1 +69966.386 0 +382550.54 6490.0 C57
2021-06-15 17:34:01 S 16 21 11.851 -34 30 11.52 V C57
2021-06-15 17:34:01 s 1 +69622.870 0 +382753.74 9040.0 C57
2021-06-15 17:44:01 S 16 21 11.369 -34 30 01.12 V C57
2021-06-15 17:44:01 s 1 +69279.186 0 +382956.00 1300.0 C57
2021-06-15 17:54:01 S 16 21 10.164 -34 29 46.82 V C57
2021-06-15 17:54:01 s 1 +68935.337 0 +383157.33 3280.0 C57
2021-06-15 18:04:01 S 16 21 09.830 -34 29 38.40 V C57
2021-06-15 18:04:01 s 1 +68591.322 0 +383357.72 4990.0 C57
2021-06-15 18:14:01 S 16 21 08.563 -34 29 24.18 V C57
2021-06-15 18:14:01 s 1 +68247.143 0 +383557.19 6420.0 C57
2021-06-15 18:24:01 S 16 21 08.242 -34 29 12.12 V C57
2021-06-15 18:24:01 s 1 +67902.802 0 +383755.72 7580.0 C57
2021-06-15 18:34:01 S 16 21 07.543 -34 29 00.92 V C57
2021-06-15 18:34:01 s 1 +67558.298 0 +383953.33 8480.0 C57
2021-06-15 18:54:01 S 16 21 05.935 -34 28 37.67 V C57
2021-06-15 18:54:01 s 1 +66868.809 0 +384345.74 9460.0 C57
2021-06-15 19:04:01 S 16 21 04.882 -34 28 24.06 V C57
2021-06-15 19:04:01 s 1 +66523.826 0 +384540.55 9570.0 C57
2021-06-15 19:14:01 S 16 21 04.104 -34 28 12.36 V C57
2021-06-15 19:14:01 s 1 +66178.685 0 +384734.43 9410.0 C57
2021-06-15 19:24:01 S 16 21 03.506 -34 28 01.45 V C57
2021-06-15 19:24:01 s 1 +65833.387 0 +384927.39 9000.0 C57
2021-06-15 19:34:01 S 16 21 03.194 -34 27 48.42 V C57
2021-06-15 19:34:01 s 1 +65487.933 0 +385119.41 8330.0 C57
2021-06-15 19:44:01 S 16 21 02.239 -34 27 35.46 V C57
2021-06-15 19:44:01 s 1 +65142.324 0 +385310.51 7410.0 C57
2021-06-15 20:04:01 S 16 21 00.326 -34 27 10.80 V C57
2021-06-15 20:04:01 s 1 +64450.647 0 +385689.93 4840.0 C57
2021-06-15 20:14:01 S 16 20 59.746 -34 27 01.30 V C57
2021-06-15 20:14:01 s 1 +64104.580 0 +385878.24 3190.0 C57
2021-06-15 20:24:01 S 16 20 58.788 -34 26 49.06 V C57
2021-06-15 20:24:01 s 1 +63758.362 0 +386065.63 1290.0 C57
2021-06-15 20:34:01 S 16 20 58.202 -34 26 38.08 V C57
2021-06-15 20:34:01 s 1 +63411.994 0 +386252.10 9160.0 C57
2021-06-15 20:44:01 S 16 20 57.482 -34 26 29.22 V C57
2021-06-15 20:44:01 s 1 +63065.478 0 +386437.64 6790.0 C57
2021-06-15 20:54:01 S 16 20 56.650 -34 26 12.16 V C57
2021-06-15 20:54:01 s 1 +62718.814 0 +386622.26 4190.0 C57
2021-06-15 21:04:01 S 16 20 56.006 -34 26 04.24 V C57
2021-06-15 21:04:01 s 1 +62372.003 0 +386805.95 1360.0 C57
2021-06-15 21:14:01 S 16 20 55.243 -34 25 48.50 V C57
2021-06-15 21:14:01 s 1 +62025.046 0 +386988.72 8300.0 C57