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
2021-06-08 00:24:01 s 1 -199904.84 2 +138076.67 550.0 C57
2021-06-08 00:44:01 S 16 44 22.630 -39 14 58.88 V C57
2021-06-08 00:44:01 s 1 -199801.74 1 +136552.48 9250.0 C57
2021-06-08 00:54:01 S 16 44 20.818 -39 14 40.88 V C57
2021-06-08 00:54:01 s 1 -199747.37 9 +135788.46 5800.0 C57
2021-06-08 01:04:01 S 16 44 18.922 -39 14 27.96 V C57
2021-06-08 01:04:01 s 1 -199691.12 9 +135023.15 7110.0 C57
2021-06-08 01:14:01 S 16 44 17.225 -39 14 10.36 V C57
2021-06-08 01:14:01 s 1 -199632.98 1 +134256.57 3170.0 C57
2021-06-08 01:24:01 S 16 44 15.334 -39 13 54.12 V C57
2021-06-08 01:24:01 s 1 -199572.92 5 +133488.69 3940.0 C57
2021-06-08 01:34:01 S 16 44 13.613 -39 13 38.06 V C57
2021-06-08 01:34:01 s 1 -199510.95 0 +132719.53 9390.0 C57
2021-06-08 01:44:01 S 16 44 11.839 -39 13 23.70 V C57
2021-06-08 01:44:01 s 1 -199447.04 6 +131949.09 9500.0 C57
2021-06-08 01:54:01 S 16 44 10.236 -39 13 07.93 V C57
2021-06-08 01:54:01 s 1 -199381.20 2 +131177.36 4240.0 C57
2021-06-08 02:04:01 S 16 44 08.398 -39 12 52.24 V C57
2021-06-08 02:04:01 s 1 -199313.40 7 +130404.35 3580.0 C57
2021-06-08 02:14:01 S 16 44 06.588 -39 12 35.53 V C57
2021-06-08 02:14:01 s 1 -199243.65 2 +129630.06 7490.0 C57
2021-06-08 02:24:01 S 16 44 04.781 -39 12 21.20 V C57
2021-06-08 02:24:01 s 1 -199171.92 4 +128854.48 5950.0 C57
2021-06-08 02:44:01 S 16 44 01.493 -39 11 47.69 V C57
2021-06-08 02:44:01 s 1 -199022.50 9 +127299.47 6380.0 C57
2021-06-08 03:14:01 S 16 43 56.160 -39 11 02.69 V C57
2021-06-08 03:14:01 s 1 -198783.32 2 +124957.33 5380.0 C57
2021-06-08 03:24:01 S 16 43 54.355 -39 10 44.04 V C57
2021-06-08 03:24:01 s 1 -198699.53 1 +124174.05 490.0 C57
2021-06-08 03:34:01 S 16 43 52.500 -39 10 29.57 V C57
2021-06-08 03:34:01 s 1 -198613.68 9 +123389.49 9940.0 C57
2021-06-08 03:44:01 S 16 43 50.758 -39 10 12.29 V C57
2021-06-08 03:44:01 s 1 -198525.78 7 +122603.64 3700.0 C57
2021-06-08 03:54:01 S 16 43 49.090 -39 09 55.12 V C57
2021-06-08 03:54:01 s 1 -198435.81 1 +121816.52 1740.0 C57
2021-06-08 04:04:01 S 16 43 47.261 -39 09 41.54 V C57
2021-06-08 04:04:01 s 1 -198343.75 0 +121028.11 4020.0 C57
2021-06-08 04:24:01 S 16 43 43.745 -39 09 10.26 V C57
2021-06-08 04:24:01 s 1 -198153.32 7 +119447.46 1210.0 C57
2021-06-08 04:44:01 S 16 43 40.234 -39 08 36.71 V C57
2021-06-08 04:44:01 s 1 -197954.42 2 +117861.69 5010.0 C57
2021-06-08 04:54:01 S 16 43 38.371 -39 08 20.94 V C57
2021-06-08 04:54:01 s 1 -197851.75 9 +117066.88 8060.0 C57
2021-06-08 05:24:01 S 16 43 33.221 -39 07 34.25 V C57
2021-06-08 05:24:01 s 1 -197530.77 8 +114674.81 1430.0 C57
2021-06-08 05:54:01 S 16 43 27.840 -39 06 45.47 V C57
2021-06-08 05:54:01 s 1 -197190.04 9 +112271.26 430.0 C57
2021-06-08 06:04:01 S 16 43 26.153 -39 06 31.57 V C57
2021-06-08 06:04:01 s 1 -197072.02 4 +111467.53 1200.0 C57
2021-06-08 06:14:01 S 16 43 24.293 -39 06 13.97 V C57