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
2021-06-18 13:44:01 s 1 -74701.796 0 +391045.88 9870.0 C57
2021-06-18 13:54:01 S 16 16 29.722 -33 14 46.93 V C57
2021-06-18 13:54:01 s 1 -75040.896 0 +390886.98 5080.0 C57
2021-06-18 14:04:01 S 16 16 28.906 -33 14 38.54 V C57
2021-06-18 14:04:01 s 1 -75379.815 0 +390727.19 9670.0 C57
2021-06-18 14:14:01 S 16 16 28.222 -33 14 25.91 V C57
2021-06-18 14:14:01 s 1 -75718.554 0 +390566.53 3620.0 C57
2021-06-18 14:24:01 S 16 16 27.564 -33 14 19.14 V C57
2021-06-18 14:24:01 s 1 -76057.112 0 +390404.99 6950.0 C57
2021-06-18 14:34:01 S 16 16 27.098 -33 14 10.25 V C57
2021-06-18 14:34:01 s 1 -76395.487 0 +390242.57 9650.0 C57
2021-06-18 14:44:01 S 16 16 26.179 -33 14 01.28 V C57
2021-06-18 14:44:01 s 1 -76733.679 0 +390079.27 1700.0 C57
2021-06-18 14:54:01 S 16 16 25.582 -33 13 47.32 V C57
2021-06-18 14:54:01 s 1 -77071.686 0 +389915.09 3130.0 C57
2021-06-18 15:14:01 S 16 16 24.233 -33 13 28.60 V C57
2021-06-18 15:14:01 s 1 -77747.146 0 +389584.09 4050.0 C57
2021-06-18 15:24:01 S 16 16 23.652 -33 13 15.96 V C57
2021-06-18 15:24:01 s 1 -78084.596 0 +389417.28 3540.0 C57
2021-06-18 15:34:01 S 16 16 23.191 -33 13 05.81 V C57
2021-06-18 15:34:01 s 1 -78421.858 0 +389249.58 2390.0 C57
2021-06-18 15:44:01 S 16 16 22.944 -33 12 56.41 V C57
2021-06-18 15:44:01 s 1 -78758.931 0 +389081.00 590.0 C57
2021-06-18 15:54:01 S 16 16 21.905 -33 12 42.48 V C57
2021-06-18 15:54:01 s 1 -79095.815 0 +388911.54 8130.0 C57
2021-06-18 16:04:01 S 16 16 21.439 -33 12 37.91 V C57
2021-06-18 16:04:01 s 1 -79432.509 0 +388741.20 5020.0 C57
2021-06-18 16:14:01 S 16 16 20.717 -33 12 23.26 V C57
2021-06-18 16:14:01 s 1 -79769.011 0 +388569.98 1250.0 C57
2021-06-18 16:34:01 S 16 16 19.589 -33 12 06.77 V C57
2021-06-18 16:34:01 s 1 -80441.437 0 +388224.90 1730.0 C57
2021-06-18 16:44:01 S 16 16 18.802 -33 11 57.80 V C57
2021-06-18 16:44:01 s 1 -80777.360 0 +388051.04 5980.0 C57
2021-06-18 16:54:01 S 16 16 18.458 -33 11 45.82 V C57
2021-06-18 16:54:01 s 1 -81113.088 0 +387876.29 9550.0 C57
2021-06-18 17:04:01 S 16 16 17.729 -33 11 34.76 V C57
2021-06-18 17:04:01 s 1 -81448.620 0 +387700.67 2460.0 C57
2021-06-18 17:14:01 S 16 16 17.018 -33 11 24.29 V C57
2021-06-18 17:14:01 s 1 -81783.955 0 +387524.16 4690.0 C57
2021-06-18 17:24:01 S 16 16 16.512 -33 11 14.60 V C57
2021-06-18 17:24:01 s 1 -82119.092 0 +387346.76 6250.0 C57
2021-06-18 17:34:01 S 16 16 15.660 -33 11 03.62 V C57
2021-06-18 17:34:01 s 1 -82454.031 0 +387168.49 7130.0 C57
2021-06-18 17:44:01 S 16 16 15.113 -33 10 56.86 V C57
2021-06-18 17:44:01 s 1 -82788.770 0 +386989.33 7330.0 C57
2021-06-18 17:54:01 S 16 16 14.664 -33 10 44.51 V C57
2021-06-18 17:54:01 s 1 -83123.309 0 +386809.29 6850.0 C57
2021-06-18 18:04:01 S 16 16 14.004 -33 10 37.09 V C57
2021-06-18 18:04:01 s 1 -83457.647 0 +386628.37 5690.0 C57
2021-06-18 18:24:01 S 16 16 12.778 -33 10 10.88 V C57