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
2021-06-03 00:14:01 s 1 -25489.408 0 +404675.44 9590.0 C57
2021-06-03 00:24:01 S 17 09 02.494 -42 50 06.00 V C57
2021-06-03 00:24:01 s 1 -25845.807 0 +404642.20 1320.0 C57
2021-06-03 00:34:01 S 17 08 59.978 -42 49 47.89 V C57
2021-06-03 00:34:01 s 1 -26202.154 0 +404608.09 2790.0 C57
2021-06-03 00:44:01 S 17 08 57.571 -42 49 25.90 V C57
2021-06-03 00:44:01 s 1 -26558.448 0 +404573.12 3980.0 C57
2021-06-03 01:04:01 S 17 08 52.697 -42 48 44.68 V C57
2021-06-03 01:04:01 s 1 -27270.874 0 +404500.59 5510.0 C57
2021-06-03 01:14:01 S 17 08 50.213 -42 48 25.02 V C57
2021-06-03 01:14:01 s 1 -27627.004 0 +404463.02 5860.0 C57
2021-06-03 01:24:01 S 17 08 47.669 -42 48 04.32 V C57
2021-06-03 01:24:01 s 1 -27983.078 0 +404424.60 5920.0 C57
2021-06-03 01:34:01 S 17 08 45.187 -42 47 44.41 V C57
2021-06-03 01:34:01 s 1 -28339.096 0 +404385.31 5690.0 C57
2021-06-03 01:44:01 S 17 08 42.794 -42 47 26.09 V C57
2021-06-03 01:44:01 s 1 -28695.055 0 +404345.15 5180.0 C57
2021-06-03 01:54:01 S 17 08 40.356 -42 47 06.14 V C57
2021-06-03 01:54:01 s 1 -29050.956 0 +404304.13 4370.0 C57
2021-06-03 02:04:01 S 17 08 38.030 -42 46 46.45 V C57
2021-06-03 02:04:01 s 1 -29406.799 0 +404262.25 3270.0 C57
2021-06-03 02:14:01 S 17 08 35.465 -42 46 24.42 V C57
2021-06-03 02:14:01 s 1 -29762.581 0 +404219.50 1880.0 C57
2021-06-03 02:24:01 S 17 08 32.904 -42 46 05.27 V C57
2021-06-03 02:24:01 s 1 -30118.302 0 +404175.89 190.0 C57
2021-06-03 02:34:01 S 17 08 30.583 -42 45 44.35 V C57
2021-06-03 02:34:01 s 1 -30473.962 0 +404131.41 8200.0 C57
2021-06-03 02:44:01 S 17 08 28.306 -42 45 27.00 V C57
2021-06-03 02:44:01 s 1 -30829.559 0 +404086.07 5910.0 C57
2021-06-03 02:54:01 S 17 08 25.814 -42 45 06.66 V C57
2021-06-03 02:54:01 s 1 -31185.093 0 +404039.87 3310.0 C57
2021-06-03 03:04:01 S 17 08 23.554 -42 44 46.54 V C57
2021-06-03 03:04:01 s 1 -31540.564 0 +403992.80 410.0 C57
2021-06-03 03:44:01 S 17 08 13.644 -42 43 25.03 V C57
2021-06-03 03:44:01 s 1 -32961.791 0 +403795.89 5710.0 C57
2021-06-03 03:54:01 S 17 08 11.184 -42 43 05.56 V C57
2021-06-03 03:54:01 s 1 -33316.930 0 +403744.50 1250.0 C57
2021-06-03 04:04:01 S 17 08 08.762 -42 42 46.19 V C57
2021-06-03 04:04:01 s 1 -33672.001 0 +403692.24 6480.0 C57
2021-06-03 04:14:01 S 17 08 06.331 -42 42 24.95 V C57
2021-06-03 04:14:01 s 1 -34027.003 0 +403639.13 1380.0 C57
2021-06-03 04:24:01 S 17 08 03.905 -42 42 03.10 V C57
2021-06-03 04:24:01 s 1 -34381.934 0 +403585.14 5960.0 C57
2021-06-03 04:34:01 S 17 08 01.368 -42 41 42.18 V C57
2021-06-03 04:34:01 s 1 -34736.794 0 +403530.30 220.0 C57
2021-06-03 04:54:01 S 17 07 56.542 -42 41 05.06 V C57
2021-06-03 04:54:01 s 1 -35446.299 0 +403418.01 7750.0 C57
2021-06-03 05:04:01 S 17 07 54.223 -42 40 46.34 V C57
2021-06-03 05:04:01 s 1 -35800.942 0 +403360.57 1020.0 C57
2021-06-03 05:14:01 S 17 07 51.696 -42 40 23.05 V C57