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 21:54:01 s 1 -118413.65 4 +362919.48 4990.0 C57
2021-06-04 22:04:01 S 16 58 38.578 -41 22 19.31 V C57
2021-06-04 22:04:01 s 1 -118724.16 8 +362644.46 5930.0 C57
2021-06-04 22:14:01 S 16 58 36.773 -41 22 02.93 V C57
2021-06-04 22:14:01 s 1 -119034.38 1 +362368.53 5930.0 C57
2021-06-04 22:24:01 S 16 58 34.596 -41 21 42.95 V C57
2021-06-04 22:24:01 s 1 -119344.29 2 +362091.68 4960.0 C57
2021-06-04 22:34:01 S 16 58 32.486 -41 21 22.61 V C57
2021-06-04 22:34:01 s 1 -119653.89 9 +361813.90 3030.0 C57
2021-06-04 22:44:01 S 16 58 30.490 -41 21 06.05 V C57
2021-06-04 22:44:01 s 1 -119963.20 2 +361535.20 140.0 C57
2021-06-04 22:54:01 S 16 58 28.337 -41 20 47.04 V C57
2021-06-04 22:54:01 s 1 -120272.19 9 +361255.58 6290.0 C57
2021-06-04 23:04:01 S 16 58 26.162 -41 20 27.64 V C57
2021-06-04 23:04:01 s 1 -120580.88 9 +360975.03 1460.0 C57
2021-06-04 23:24:01 S 16 58 22.061 -41 19 52.79 V C57
2021-06-04 23:24:01 s 1 -121197.34 3 +360411.17 8890.0 C57
2021-06-04 23:34:01 S 16 58 19.855 -41 19 32.74 V C57
2021-06-04 23:34:01 s 1 -121505.10 5 +360127.85 1140.0 C57
2021-06-04 23:44:01 S 16 58 17.729 -41 19 15.31 V C57
2021-06-04 23:44:01 s 1 -121812.55 5 +359843.60 2400.0 C57
2021-06-04 23:54:01 S 16 58 15.790 -41 18 57.06 V C57
2021-06-04 23:54:01 s 1 -122119.69 2 +359558.43 2680.0 C57
2021-06-05 00:04:01 S 16 58 13.687 -41 18 38.70 V C57
2021-06-05 00:04:01 s 1 -122426.51 4 +359272.33 1970.0 C57
2021-06-05 00:14:01 S 16 58 11.556 -41 18 19.91 V C57
2021-06-05 00:14:01 s 1 -122733.02 2 +358985.31 260.0 C57
2021-06-05 00:24:01 S 16 58 09.430 -41 18 00.00 V C57
2021-06-05 00:24:01 s 1 -123039.21 3 +358697.36 7560.0 C57
2021-06-05 00:34:01 S 16 58 07.109 -41 17 43.91 V C57
2021-06-05 00:34:01 s 1 -123345.08 5 +358408.48 3860.0 C57
2021-06-05 00:44:01 S 16 58 05.136 -41 17 27.49 V C57
2021-06-05 00:44:01 s 1 -123650.63 9 +358118.67 9160.0 C57
2021-06-05 00:54:01 S 16 58 03.170 -41 17 08.66 V C57
2021-06-05 00:54:01 s 1 -123955.87 3 +357827.93 3450.0 C57
2021-06-05 01:04:01 S 16 58 01.025 -41 16 49.58 V C57
2021-06-05 01:04:01 s 1 -124260.78 5 +357536.27 6730.0 C57
2021-06-05 01:14:01 S 16 57 58.843 -41 16 30.90 V C57
2021-06-05 01:14:01 s 1 -124565.37 4 +357243.67 9000.0 C57
2021-06-05 01:24:01 S 16 57 56.808 -41 16 12.68 V C57
2021-06-05 01:24:01 s 1 -124869.64 0 +356950.15 250.0 C57
2021-06-05 01:34:01 S 16 57 54.694 -41 15 53.60 V C57
2021-06-05 01:34:01 s 1 -125173.58 0 +356655.69 480.0 C57
2021-06-05 01:44:01 S 16 57 52.541 -41 15 36.47 V C57
2021-06-05 01:44:01 s 1 -125477.19 4 +356360.30 9690.0 C57
2021-06-05 01:54:01 S 16 57 50.498 -41 15 17.06 V C57
2021-06-05 01:54:01 s 1 -125780.48 0 +356063.99 7870.0 C57
2021-06-05 02:04:01 S 16 57 48.314 -41 15 00.68 V C57
2021-06-05 02:04:01 s 1 -126083.43 7 +355766.73 5020.0 C57
2021-06-05 02:14:01 S 16 57 46.454 -41 14 41.06 V C57