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 09:34:01 s 1 +131099.92 3 +325926.07 9470.0 C57
2021-06-14 09:44:01 S 16 23 45.922 -35 10 17.18 V C57
2021-06-14 09:44:01 s 1 +130811.12 0 +326319.20 3160.0 C57
2021-06-14 09:53:46 C 16 23 41.22 -35 21 16.3 V T08
2021-06-14 09:54:01 S 16 23 44.746 -35 10 05.59 V C57
2021-06-14 09:54:01 s 1 +130521.88 7 +326711.26 5910.0 C57
2021-06-14 09:59:44 C 16 23 40.61 -35 21 08.4 V T08
2021-06-14 10:04:01 S 16 23 43.920 -35 09 52.52 V C57
2021-06-14 10:04:01 s 1 +130232.22 5 +327102.25 7710.0 C57
2021-06-14 10:09:42 C 16 23 39.60 -35 20 55.1 V T08
2021-06-14 10:14:01 S 16 23 43.039 -35 09 41.72 V C57
2021-06-14 10:14:01 s 1 +129942.13 6 +327492.17 8580.0 C57
2021-06-14 10:34:01 S 16 23 41.335 -35 09 12.82 V C57
2021-06-14 10:34:01 s 1 +129360.68 4 +328268.81 7540.0 C57
2021-06-14 10:44:01 S 16 23 40.135 -35 09 02.81 V C57
2021-06-14 10:44:01 s 1 +129069.32 5 +328655.54 5630.0 C57
2021-06-14 10:54:01 S 16 23 39.530 -35 08 46.10 V C57
2021-06-14 10:54:01 s 1 +128777.54 7 +329041.19 2810.0 C57
2021-06-14 11:04:01 S 16 23 39.038 -35 08 34.48 V C57
2021-06-14 11:04:01 s 1 +128485.35 1 +329425.79 9080.0 C57
2021-06-14 11:14:01 S 16 23 37.951 -35 08 20.29 V C57
2021-06-14 11:14:01 s 1 +128192.73 9 +329809.32 4440.0 C57
2021-06-14 11:24:01 S 16 23 37.042 -35 08 04.96 V C57
2021-06-14 11:24:01 s 1 +127899.71 3 +330191.78 8890.0 C57
2021-06-14 11:34:01 S 16 23 36.341 -35 07 53.11 V C57
2021-06-14 11:34:01 s 1 +127606.27 5 +330573.19 2450.0 C57
2021-06-14 11:54:01 S 16 23 34.846 -35 07 28.78 V C57
2021-06-14 11:54:01 s 1 +127018.16 9 +331332.83 6890.0 C57
2021-06-14 12:04:01 S 16 23 33.792 -35 07 19.81 V C57
2021-06-14 12:04:01 s 1 +126723.50 4 +331711.06 7780.0 C57
2021-06-14 12:24:01 S 16 23 32.273 -35 06 49.46 V C57
2021-06-14 12:24:01 s 1 +126132.96 2 +332464.35 6930.0 C57
2021-06-14 12:34:01 S 16 23 31.502 -35 06 36.86 V C57
2021-06-14 12:34:01 s 1 +125837.08 8 +332839.42 5200.0 C57
2021-06-14 13:04:01 S 16 23 28.939 -35 05 52.48 V C57
2021-06-14 13:04:01 s 1 +124966.02 2 +333951.39 8280.0 C57
2021-06-14 13:14:01 S 16 23 27.550 -35 05 42.18 V C57
2021-06-14 13:14:01 s 1 +124667.52 2 +334322.65 1840.0 C57
2021-06-14 13:24:01 S 16 23 27.108 -35 05 33.58 V C57
2021-06-14 13:24:01 s 1 +124369.67 9 +334692.48 5850.0 C57
2021-06-14 13:54:01 S 16 23 24.835 -35 04 45.08 V C57
2021-06-14 13:54:01 s 1 +123473.82 0 +335795.65 2850.0 C57
2021-06-14 14:04:01 S 16 23 23.750 -35 04 41.59 V C57
2021-06-14 14:04:01 s 1 +123174.42 6 +336161.28 3510.0 C57
2021-06-14 14:14:01 S 16 23 22.992 -35 04 26.08 V C57
2021-06-14 14:14:01 s 1 +122874.64 7 +336525.87 3350.0 C57
2021-06-14 14:24:01 S 16 23 22.109 -35 04 11.53 V C57
2021-06-14 14:24:01 s 1 +122574.48 7 +336889.41 2360.0 C57
2021-06-14 14:34:01 S 16 23 21.283 -35 03 57.64 V C57
2021-06-14 14:34:01 s 1 +122273.94 5 +337251.90 550.0 C57