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
2021-06-12 06:04:01 s 1 +185627.65 7 +146987.84 5480.0 C57
2021-06-12 06:14:01 S 16 28 37.558 -36 24 13.18 V C57
2021-06-12 06:14:01 s 1 +185632.81 9 +147774.98 9340.0 C57
2021-06-12 06:24:01 S 16 28 36.492 -36 23 55.21 V C57
2021-06-12 06:24:01 s 1 +185636.08 6 +148560.62 8500.0 C57
2021-06-12 06:34:01 S 16 28 35.311 -36 23 39.84 V C57
2021-06-12 06:34:01 s 1 +185637.46 9 +149344.76 3010.0 C57
2021-06-12 06:44:01 S 16 28 34.306 -36 23 24.86 V C57
2021-06-12 06:44:01 s 1 +185636.98 0 +150127.40 2880.0 C57
2021-06-12 06:54:01 S 16 28 33.259 -36 23 11.40 V C57
2021-06-12 06:54:01 s 1 +185634.62 8 +150908.53 8150.0 C57
2021-06-12 07:04:01 S 16 28 32.302 -36 22 54.01 V C57
2021-06-12 07:04:01 s 1 +185630.42 6 +151688.16 8850.0 C57
2021-06-12 07:14:01 S 16 28 31.183 -36 22 37.34 V C57
2021-06-12 07:14:01 s 1 +185624.38 4 +152466.30 5000.0 C57
2021-06-12 07:24:01 S 16 28 30.134 -36 22 22.08 V C57
2021-06-12 07:24:01 s 1 +185616.51 3 +153242.94 6630.0 C57
2021-06-12 07:34:01 S 16 28 28.992 -36 22 08.40 V C57
2021-06-12 07:34:01 s 1 +185606.82 3 +154018.08 3770.0 C57
2021-06-12 07:44:01 S 16 28 27.938 -36 21 53.50 V C57
2021-06-12 07:44:01 s 1 +185595.32 5 +154791.73 6450.0 C57
2021-06-12 07:54:01 S 16 28 27.017 -36 21 34.74 V C57
2021-06-12 07:54:01 s 1 +185582.03 0 +155563.88 4690.0 C57
2021-06-12 08:04:01 S 16 28 25.826 -36 21 19.51 V C57
2021-06-12 08:04:01 s 1 +185566.94 7 +156334.54 8520.0 C57
2021-06-12 08:14:01 S 16 28 24.950 -36 21 05.08 V C57
2021-06-12 08:14:01 s 1 +185550.08 8 +157103.70 7970.0 C57
2021-06-12 08:24:01 S 16 28 23.885 -36 20 48.80 V C57
2021-06-12 08:24:01 s 1 +185531.46 2 +157871.38 3070.0 C57
2021-06-12 08:34:01 S 16 28 22.718 -36 20 33.11 V C57
2021-06-12 08:34:01 s 1 +185511.08 1 +158637.57 3830.0 C57
2021-06-12 08:44:01 S 16 28 21.828 -36 20 17.45 V C57
2021-06-12 08:44:01 s 1 +185488.95 3 +159402.27 300.0 C57
2021-06-12 08:54:01 S 16 28 20.633 -36 20 01.00 V C57
2021-06-12 08:54:01 s 1 +185465.08 8 +160165.48 2480.0 C57
2021-06-12 09:04:01 S 16 28 19.608 -36 19 47.78 V C57
2021-06-12 09:04:01 s 1 +185439.49 8 +160927.21 420.0 C57
2021-06-12 09:14:01 S 16 28 18.509 -36 19 32.23 V C57
2021-06-12 09:14:01 s 1 +185412.19 1 +161687.45 4130.0 C57
2021-06-12 09:24:01 S 16 28 17.441 -36 19 17.11 V C57
2021-06-12 09:24:01 s 1 +185383.17 8 +162446.21 3630.0 C57
2021-06-12 09:34:01 S 16 28 16.579 -36 19 01.20 V C57
2021-06-12 09:34:01 s 1 +185352.46 8 +163203.49 8970.0 C57
2021-06-12 09:44:01 S 16 28 15.506 -36 18 46.15 V C57
2021-06-12 09:44:01 s 1 +185320.07 0 +163959.29 150.0 C57
2021-06-12 09:54:01 S 16 28 14.376 -36 18 28.33 V C57
2021-06-12 09:54:01 s 1 +185285.99 5 +164713.61 7210.0 C57
2021-06-12 10:04:01 S 16 28 13.522 -36 18 13.03 V C57
2021-06-12 10:04:01 s 1 +185250.25 2 +165466.45 170.0 C57
2021-06-12 10:14:01 S 16 28 12.362 -36 17 59.03 V C57