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
2021-06-14 14:44:01 S 16 23 20.251 -35 03 47.59 V C57
2021-06-14 14:44:01 s 1 +121973.02 4 +337613.35 7930.0 C57
2021-06-14 15:04:01 S 16 23 18.758 -35 03 22.10 V C57
2021-06-14 15:04:01 s 1 +121370.05 2 +338333.13 250.0 C57
2021-06-14 15:14:01 S 16 23 18.211 -35 03 08.21 V C57
2021-06-14 15:14:01 s 1 +121068.00 3 +338691.46 5210.0 C57
2021-06-14 15:24:01 S 16 23 17.143 -35 02 56.36 V C57
2021-06-14 15:24:01 s 1 +120765.58 2 +339048.75 9370.0 C57
2021-06-14 15:34:01 S 16 23 16.358 -35 02 43.76 V C57
2021-06-14 15:34:01 s 1 +120462.79 0 +339405.00 2740.0 C57
2021-06-14 15:44:01 S 16 23 15.406 -35 02 28.68 V C57
2021-06-14 15:44:01 s 1 +120159.62 9 +339760.21 5310.0 C57
2021-06-14 15:54:01 S 16 23 14.546 -35 02 16.19 V C57
2021-06-14 15:54:01 s 1 +119856.10 1 +340114.38 7100.0 C57
2021-06-14 16:44:01 S 16 23 10.286 -35 01 10.92 V C57
2021-06-14 16:44:01 s 1 +118333.00 2 +341869.72 4410.0 C57
2021-06-14 17:14:01 S 16 23 08.023 -35 00 38.05 V C57
2021-06-14 17:14:01 s 1 +117414.83 5 +342910.54 3630.0 C57
2021-06-14 17:24:01 S 16 23 07.210 -35 00 16.67 V C57
2021-06-14 17:24:01 s 1 +117108.07 1 +343255.42 8530.0 C57
2021-06-14 17:34:01 S 16 23 06.358 -35 00 06.91 V C57
2021-06-14 17:34:01 s 1 +116800.95 6 +343599.27 2690.0 C57
2021-06-14 17:44:01 S 16 23 05.414 -34 59 53.95 V C57
2021-06-14 17:44:01 s 1 +116493.49 1 +343942.09 6110.0 C57
2021-06-14 17:54:01 S 16 23 04.870 -34 59 41.17 V C57
2021-06-14 17:54:01 s 1 +116185.67 7 +344283.89 8790.0 C57
2021-06-14 18:04:01 S 16 23 04.030 -34 59 22.74 V C57
2021-06-14 18:04:01 s 1 +115877.51 7 +344624.66 730.0 C57
2021-06-14 18:14:01 S 16 23 02.827 -34 59 16.55 V C57
2021-06-14 18:14:01 s 1 +115569.01 2 +344964.40 1950.0 C57
2021-06-14 18:24:01 S 16 23 02.059 -34 59 02.94 V C57
2021-06-14 18:24:01 s 1 +115260.16 3 +345303.12 2440.0 C57
2021-06-14 18:34:01 S 16 23 01.337 -34 58 47.60 V C57
2021-06-14 18:34:01 s 1 +114950.97 1 +345640.82 2200.0 C57
2021-06-14 18:44:01 S 16 23 00.274 -34 58 35.62 V C57
2021-06-14 18:44:01 s 1 +114641.44 0 +345977.49 1250.0 C57
2021-06-14 18:54:01 S 16 22 59.618 -34 58 24.60 V C57
2021-06-14 18:54:01 s 1 +114331.56 9 +346313.14 9590.0 C57
2021-06-14 19:04:01 S 16 22 58.925 -34 58 11.35 V C57
2021-06-14 19:04:01 s 1 +114021.36 1 +346647.77 7220.0 C57
2021-06-14 19:14:01 S 16 22 58.250 -34 57 58.25 V C57
2021-06-14 19:14:01 s 1 +113710.81 7 +346981.38 4140.0 C57
2021-06-14 19:24:01 S 16 22 57.266 -34 57 45.29 V C57
2021-06-14 19:24:01 s 1 +113399.93 8 +347313.97 350.0 C57
2021-06-14 19:34:01 S 16 22 56.172 -34 57 33.34 V C57
2021-06-14 19:34:01 s 1 +113088.72 7 +347645.55 5870.0 C57
2021-06-14 19:44:01 S 16 22 55.320 -34 57 19.15 V C57
2021-06-14 19:44:01 s 1 +112777.18 4 +347976.10 700.0 C57
2021-06-14 19:54:01 S 16 22 54.929 -34 57 06.23 V C57
2021-06-14 19:54:01 s 1 +112465.31 1 +348305.64 4830.0 C57