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
2021-06-08 23:04:01 s 1 -170352.43 8 +23337.983 660.0 C57
2021-06-08 23:14:01 S 16 40 25.704 -38 39 32.54 V C57
2021-06-08 23:14:01 s 1 -169910.15 5 +22424.536 4930.0 C57
2021-06-08 23:34:01 S 16 40 22.087 -38 38 54.64 V C57
2021-06-08 23:34:01 s 1 -169012.40 7 +20595.916 8400.0 C57
2021-06-08 23:44:01 S 16 40 20.450 -38 38 44.63 V C57
2021-06-08 23:44:01 s 1 -168556.87 9 +19680.778 7440.0 C57
2021-06-09 00:24:01 S 16 40 12.828 -38 37 42.74 V C57
2021-06-09 00:24:01 s 1 -166689.66 6 +16015.155 3830.0 C57
2021-06-10 23:34:01 S 16 32 14.669 -37 15 49.50 V C57
2021-06-10 23:34:01 s 1 +134516.52 6 -19901.889 2690.0 C57
2021-06-10 23:44:01 S 16 32 13.349 -37 15 31.50 V C57
2021-06-10 23:44:01 s 1 +135214.92 9 -18924.982 1530.0 C57
2021-06-10 23:54:01 S 16 32 11.926 -37 15 12.46 V C57
2021-06-10 23:54:01 s 1 +135906.43 4 -17947.113 2020.0 C57
2021-06-11 00:04:01 S 16 32 10.558 -37 14 55.36 V C57
2021-06-11 00:04:01 s 1 +136591.09 0 -16968.342 4320.0 C57
2021-06-11 00:14:01 S 16 32 09.043 -37 14 39.30 V C57
2021-06-11 00:14:01 s 1 +137268.94 7 -15988.729 8550.0 C57
2021-06-11 00:24:01 S 16 32 07.884 -37 14 20.04 V C57
2021-06-11 00:24:01 s 1 +137940.05 2 -15008.333 4870.0 C57
2021-06-11 00:34:01 S 16 32 06.401 -37 14 02.83 V C57
2021-06-11 00:34:01 s 1 +138604.45 4 -14027.210 3400.0 C57
2021-06-11 00:44:01 S 16 32 05.114 -37 13 42.13 V C57
2021-06-11 00:44:01 s 1 +139262.20 3 -13045.416 4290.0 C57
2021-06-11 00:54:01 S 16 32 03.806 -37 13 24.56 V C57
2021-06-11 00:54:01 s 1 +139913.34 5 -12063.006 7680.0 C57
2021-06-11 01:04:01 S 16 32 02.544 -37 13 07.72 V C57
2021-06-11 01:04:01 s 1 +140557.93 1 -11080.033 3710.0 C57
2021-06-11 01:14:01 S 16 32 01.058 -37 12 49.68 V C57
2021-06-11 01:14:01 s 1 +141196.00 7 -10096.550 2510.0 C57
2021-06-11 01:24:01 S 16 31 59.851 -37 12 32.00 V C57
2021-06-11 01:24:01 s 1 +141827.62 2 - 9112.607 4230.0 C57
2021-06-11 01:34:01 S 16 31 58.529 -37 12 14.76 V C57
2021-06-11 01:34:01 s 1 +142452.82 3 - 8128.254 8990.0 C57
2021-06-11 01:44:01 S 16 31 57.211 -37 11 55.36 V C57
2021-06-11 01:44:01 s 1 +143071.65 9 - 7143.540 6930.0 C57
2021-06-11 01:54:01 S 16 31 55.968 -37 11 39.41 V C57
2021-06-11 01:54:01 s 1 +143684.17 6 - 6158.513 8190.0 C57
2021-06-11 02:04:01 S 16 31 54.410 -37 11 19.39 V C57
2021-06-11 02:04:01 s 1 +144290.42 2 - 5173.220 2900.0 C57
2021-06-11 02:24:01 S 16 31 52.099 -37 10 47.39 V C57
2021-06-11 02:24:01 s 1 +145484.28 9 - 3202.014 3210.0 C57
2021-06-11 02:34:01 S 16 31 50.570 -37 10 25.43 V C57
2021-06-11 02:34:01 s 1 +146072.00 3 - 2216.190 9070.0 C57
2021-06-11 02:44:01 S 16 31 49.231 -37 10 09.55 V C57
2021-06-11 02:44:01 s 1 +146653.63 3 - 1230.276 8910.0 C57
2021-06-11 02:54:01 S 16 31 48.010 -37 09 50.18 V C57
2021-06-11 02:54:01 s 1 +147229.22 5 - 244.313 2860.0 C57
2021-06-11 03:04:01 S 16 31 46.802 -37 09 32.29 V C57