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
2021-06-16 08:34:01 S 16 20 04.627 -34 12 29.59 V C57
2021-06-16 08:34:01 s 1 +38142.572 0 +397272.55 8780.0 C57
2021-06-16 08:44:01 S 16 20 04.289 -34 12 18.61 V C57
2021-06-16 08:44:01 s 1 +37787.852 0 +397392.55 5810.0 C57
2021-06-16 08:54:01 S 16 20 03.062 -34 12 08.53 V C57
2021-06-16 08:54:01 s 1 +37433.051 0 +397511.66 2780.0 C57
2021-06-16 09:24:01 S 16 20 01.409 -34 11 30.30 V C57
2021-06-16 09:24:01 s 1 +36368.174 0 +397863.59 3330.0 C57
2021-06-16 09:34:01 S 16 20 00.504 -34 11 18.24 V C57
2021-06-16 09:34:01 s 1 +36013.060 0 +397979.12 70.0 C57
2021-06-16 09:44:01 S 16 19 59.678 -34 11 09.85 V C57
2021-06-16 09:44:01 s 1 +35657.869 0 +398093.74 6760.0 C57
2021-06-16 10:14:01 S 16 19 57.583 -34 10 33.42 V C57
2021-06-16 10:14:01 s 1 +34591.849 0 +398432.25 3460.0 C57
2021-06-16 10:24:01 S 16 19 56.789 -34 10 25.39 V C57
2021-06-16 10:24:01 s 1 +34236.362 0 +398543.29 6950.0 C57
2021-06-16 10:34:01 S 16 19 56.354 -34 10 10.09 V C57
2021-06-16 10:34:01 s 1 +33880.804 0 +398653.45 480.0 C57
2021-06-16 10:44:01 S 16 19 55.397 -34 09 58.18 V C57
2021-06-16 10:44:01 s 1 +33525.174 0 +398762.70 4050.0 C57
2021-06-16 12:54:01 S 16 19 45.902 -34 07 30.00 V C57
2021-06-16 12:54:01 s 1 +28895.918 0 +400101.87 2960.0 C57
2021-06-16 13:04:01 S 16 19 45.043 -34 07 20.24 V C57
2021-06-16 13:04:01 s 1 +28539.384 0 +400198.65 6830.0 C57
2021-06-16 13:14:01 S 16 19 44.558 -34 07 10.96 V C57
2021-06-16 13:14:01 s 1 +28182.793 0 +400294.53 710.0 C57
2021-06-16 13:34:01 S 16 19 43.135 -34 06 45.72 V C57
2021-06-16 13:34:01 s 1 +27469.438 0 +400483.64 8480.0 C57
2021-06-16 13:44:01 S 16 19 42.523 -34 06 31.00 V C57
2021-06-16 13:44:01 s 1 +27112.677 0 +400576.86 2360.0 C57
2021-06-16 13:54:01 S 16 19 41.945 -34 06 22.82 V C57
2021-06-16 13:54:01 s 1 +26755.861 0 +400669.19 6240.0 C57
2021-06-16 14:04:01 S 16 19 41.038 -34 06 09.97 V C57
2021-06-16 14:04:01 s 1 +26398.991 0 +400760.64 110.0 C57
2021-06-16 14:14:01 S 16 19 40.342 -34 05 56.51 V C57
2021-06-16 14:14:01 s 1 +26042.069 0 +400851.19 3980.0 C57
2021-06-16 14:24:01 S 16 19 39.470 -34 05 49.06 V C57
2021-06-16 14:24:01 s 1 +25685.093 0 +400940.86 7830.0 C57
2021-06-16 14:34:01 S 16 19 38.914 -34 05 36.56 V C57
2021-06-16 14:34:01 s 1 +25328.067 0 +401029.64 1680.0 C57
2021-06-16 14:44:01 S 16 19 37.860 -34 05 23.50 V C57
2021-06-16 14:44:01 s 1 +24970.990 0 +401117.54 5500.0 C57
2021-06-16 15:04:01 S 16 19 36.650 -34 05 02.94 V C57
2021-06-16 15:04:01 s 1 +24256.687 0 +401290.66 3110.0 C57
2021-06-16 15:24:01 S 16 19 35.362 -34 04 41.30 V C57
2021-06-16 15:24:01 s 1 +23542.193 0 +401460.25 640.0 C57
2021-06-16 15:54:01 S 16 19 33.127 -34 04 04.62 V C57
2021-06-16 15:54:01 s 1 +22470.105 0 +401707.98 1730.0 C57
2021-06-16 16:04:01 S 16 19 32.515 -34 03 56.20 V C57
2021-06-16 16:04:01 s 1 +22112.653 0 +401788.78 5370.0 C57