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
2021-06-11 18:14:01 s 1 +179600.64 1 +87234.339 9960.0 C57
2021-06-11 18:24:01 S 16 29 55.459 -36 43 16.57 V C57
2021-06-11 18:24:01 s 1 +179775.74 5 +88128.460 9470.0 C57
2021-06-11 18:34:01 S 16 29 54.377 -36 43 00.16 V C57
2021-06-11 18:34:01 s 1 +179947.86 1 +89021.118 1420.0 C57
2021-06-11 20:34:01 S 16 29 40.630 -36 39 44.32 V C57
2021-06-11 20:34:01 s 1 +181787.54 0 +99617.923 4440.0 C57
2021-06-11 20:44:01 S 16 29 39.540 -36 39 27.18 V C57
2021-06-11 20:44:01 s 1 +181922.62 7 +100491.32 2890.0 C57
2021-06-11 20:54:01 S 16 29 38.357 -36 39 09.76 V C57
2021-06-11 20:54:01 s 1 +182054.99 8 +101363.22 4490.0 C57
2021-06-11 21:04:01 S 16 29 37.234 -36 38 53.38 V C57
2021-06-11 21:04:01 s 1 +182184.67 2 +102233.63 9310.0 C57
2021-06-11 21:14:01 S 16 29 36.197 -36 38 36.38 V C57
2021-06-11 21:14:01 s 1 +182311.66 6 +103102.53 7370.0 C57
2021-06-11 21:24:01 S 16 29 35.201 -36 38 22.88 V C57
2021-06-11 21:24:01 s 1 +182435.99 9 +103969.93 8740.0 C57
2021-06-11 21:34:01 S 16 29 34.025 -36 38 04.06 V C57
2021-06-11 21:34:01 s 1 +182557.68 9 +104835.83 3460.0 C57
2021-06-11 21:44:01 S 16 29 32.918 -36 37 47.39 V C57
2021-06-11 21:44:01 s 1 +182676.75 2 +105700.22 1570.0 C57
2021-06-11 21:54:01 S 16 29 31.872 -36 37 34.97 V C57
2021-06-11 21:54:01 s 1 +182793.20 6 +106563.11 3120.0 C57
2021-06-11 22:04:01 S 16 29 30.554 -36 37 14.30 V C57
2021-06-11 22:04:01 s 1 +182907.06 9 +107424.49 8160.0 C57
2021-06-11 22:14:01 S 16 29 29.314 -36 36 58.39 V C57
2021-06-11 22:14:01 s 1 +183018.35 7 +108284.36 6730.0 C57
2021-06-11 22:24:01 S 16 29 28.565 -36 36 45.04 V C57
2021-06-11 22:24:01 s 1 +183127.08 8 +109142.72 8870.0 C57
2021-06-11 22:34:01 S 16 29 27.542 -36 36 27.04 V C57
2021-06-11 22:34:01 s 1 +183233.27 7 +109999.57 4640.0 C57
2021-06-11 22:44:01 S 16 29 26.290 -36 36 12.38 V C57
2021-06-11 22:44:01 s 1 +183336.94 2 +110854.91 4070.0 C57
2021-06-11 22:54:01 S 16 29 25.140 -36 35 56.00 V C57
2021-06-11 22:54:01 s 1 +183438.10 0 +111708.73 7200.0 C57
2021-06-11 23:04:01 S 16 29 23.868 -36 35 38.94 V C57
2021-06-11 23:04:01 s 1 +183536.76 6 +112561.04 4080.0 C57
2021-06-12 00:24:01 S 16 29 15.127 -36 33 29.30 V C57
2021-06-12 00:24:01 s 1 +184238.31 3 +119324.94 9180.0 C57
2021-06-12 00:34:01 S 16 29 14.141 -36 33 12.74 V C57
2021-06-12 00:34:01 s 1 +184315.26 7 +120163.60 1680.0 C57
2021-06-12 00:44:01 S 16 29 12.982 -36 32 55.86 V C57
2021-06-12 00:44:01 s 1 +184389.88 5 +121000.74 8340.0 C57
2021-06-12 00:54:01 S 16 29 11.818 -36 32 39.52 V C57
2021-06-12 00:54:01 s 1 +184462.18 3 +121836.35 9200.0 C57
2021-06-12 01:04:01 S 16 29 10.766 -36 32 26.23 V C57
2021-06-12 01:04:01 s 1 +184532.17 4 +122670.45 4300.0 C57
2021-06-12 01:14:01 S 16 29 09.706 -36 32 12.23 V C57
2021-06-12 01:14:01 s 1 +184599.87 4 +123503.03 3670.0 C57
2021-06-12 01:24:01 S 16 29 08.630 -36 31 52.10 V C57