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
2021-06-04 16:24:01 s 1 -108005.24 9 +371480.75 9650.0 C57
2021-06-04 16:34:01 S 16 59 49.049 -41 32 29.08 V C57
2021-06-04 16:34:01 s 1 -108325.06 2 +371235.91 300.0 C57
2021-06-04 16:44:01 S 16 59 46.754 -41 32 07.48 V C57
2021-06-04 16:44:01 s 1 -108644.61 2 +370990.16 90.0 C57
2021-06-04 17:04:01 S 16 59 42.682 -41 31 31.48 V C57
2021-06-04 17:04:01 s 1 -109282.91 3 +370495.93 7120.0 C57
2021-06-04 17:34:01 S 16 59 36.526 -41 30 33.44 V C57
2021-06-04 17:34:01 s 1 -110238.35 8 +369747.77 6190.0 C57
2021-06-04 17:54:01 S 16 59 31.843 -41 29 58.74 V C57
2021-06-04 17:54:01 s 1 -110873.97 0 +369244.45 4570.0 C57
2021-06-04 18:14:01 S 16 59 27.646 -41 29 20.33 V C57
2021-06-04 18:14:01 s 1 -111508.49 0 +368737.49 9450.0 C57
2021-06-04 18:24:01 S 16 59 25.538 -41 29 03.26 V C57
2021-06-04 18:24:01 s 1 -111825.33 9 +368482.64 570.0 C57
2021-06-04 18:34:01 S 16 59 23.350 -41 28 44.83 V C57
2021-06-04 18:34:01 s 1 -112141.91 1 +368226.88 800.0 C57
2021-06-04 18:44:01 S 16 59 21.149 -41 28 27.16 V C57
2021-06-04 18:44:01 s 1 -112458.20 6 +367970.20 150.0 C57
2021-06-04 18:54:01 S 16 59 19.018 -41 28 06.49 V C57
2021-06-04 18:54:01 s 1 -112774.22 3 +367712.61 8600.0 C57
2021-06-04 19:04:01 S 16 59 17.018 -41 27 50.33 V C57
2021-06-04 19:04:01 s 1 -113089.96 1 +367454.11 6160.0 C57
2021-06-04 19:14:01 S 16 59 14.858 -41 27 30.89 V C57
2021-06-04 19:14:01 s 1 -113405.41 8 +367194.70 2830.0 C57
2021-06-04 19:24:01 S 16 59 12.792 -41 27 12.82 V C57
2021-06-04 19:24:01 s 1 -113720.59 3 +366934.37 8590.0 C57
2021-06-04 19:34:01 S 16 59 10.613 -41 26 54.49 V C57
2021-06-04 19:34:01 s 1 -114035.48 5 +366673.13 3460.0 C57
2021-06-04 19:44:01 S 16 59 08.426 -41 26 36.56 V C57
2021-06-04 19:44:01 s 1 -114350.09 4 +366410.97 7410.0 C57
2021-06-04 19:54:01 S 16 59 06.338 -41 26 18.82 V C57
2021-06-04 19:54:01 s 1 -114664.41 8 +366147.90 460.0 C57
2021-06-04 20:04:01 S 16 59 04.224 -41 25 59.02 V C57
2021-06-04 20:04:01 s 1 -114978.45 5 +365883.91 2600.0 C57
2021-06-04 20:14:01 S 16 59 02.227 -41 25 41.27 V C57
2021-06-04 20:14:01 s 1 -115292.20 5 +365619.01 3820.0 C57
2021-06-04 20:24:01 S 16 58 59.957 -41 25 22.44 V C57
2021-06-04 20:24:01 s 1 -115605.66 7 +365353.19 4120.0 C57
2021-06-04 20:54:01 S 16 58 53.246 -41 24 24.44 V C57
2021-06-04 20:54:01 s 1 -116544.31 0 +364550.22 9480.0 C57
2021-06-04 21:14:01 S 16 58 50.374 -41 24 10.62 V C57
2021-06-04 21:14:01 s 1 -117168.60 9 +364010.31 1740.0 C57
2021-06-04 21:24:01 S 16 58 47.371 -41 23 31.31 V C57
2021-06-04 21:24:01 s 1 -117480.31 6 +363738.98 6470.0 C57
2021-06-04 21:34:01 S 16 58 45.192 -41 23 12.62 V C57
2021-06-04 21:34:01 s 1 -117791.72 6 +363466.74 250.0 C57
2021-06-04 21:44:01 S 16 58 42.917 -41 22 54.55 V C57
2021-06-04 21:44:01 s 1 -118102.83 9 +363193.57 3100.0 C57
2021-06-04 21:54:01 S 16 58 40.886 -41 22 36.55 V C57