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
2021-05-31 06:14:02 s 1 +111232.93 5 +348102.00 410.0 C57
2021-05-31 06:24:02 S 17 27 27.430 -45 12 05.80 V C57
2021-05-31 06:24:02 s 1 +110923.01 4 +348429.32 2260.0 C57
2021-05-31 06:34:02 S 17 27 24.360 -45 11 42.29 V C57
2021-05-31 06:34:02 s 1 +110612.76 3 +348755.63 3430.0 C57
2021-05-31 06:44:02 S 17 27 21.161 -45 11 18.74 V C57
2021-05-31 06:44:02 s 1 +110302.18 6 +349080.93 3920.0 C57
2021-05-31 06:54:01 S 17 27 17.954 -45 10 55.92 V C57
2021-05-31 06:54:01 s 1 +109991.28 4 +349405.23 3740.0 C57
2021-05-31 07:04:02 S 17 27 14.844 -45 10 33.46 V C57
2021-05-31 07:04:02 s 1 +109680.05 7 +349728.52 2880.0 C57
2021-05-31 07:14:01 S 17 27 11.868 -45 10 10.96 V C57
2021-05-31 07:14:01 s 1 +109368.50 8 +350050.80 1360.0 C57
2021-05-31 07:24:02 S 17 27 08.628 -45 09 48.71 V C57
2021-05-31 07:24:02 s 1 +109056.63 8 +350372.08 9170.0 C57
2021-05-31 07:34:02 S 17 27 05.381 -45 09 25.02 V C57
2021-05-31 07:34:02 s 1 +108744.44 8 +350692.36 6320.0 C57
2021-05-31 07:44:02 S 17 27 02.220 -45 09 02.05 V C57
2021-05-31 07:44:02 s 1 +108431.94 0 +351011.64 2820.0 C57
2021-05-31 07:54:02 S 17 26 59.078 -45 08 39.19 V C57
2021-05-31 07:54:02 s 1 +108119.11 6 +351329.91 8650.0 C57
2021-05-31 08:04:02 S 17 26 55.822 -45 08 15.72 V C57
2021-05-31 08:04:02 s 1 +107805.97 5 +351647.19 3840.0 C57
2021-05-31 08:14:02 S 17 26 52.788 -45 07 53.80 V C57
2021-05-31 08:14:02 s 1 +107492.52 1 +351963.46 8380.0 C57
2021-05-31 08:24:01 S 17 26 49.668 -45 07 31.33 V C57
2021-05-31 08:24:01 s 1 +107178.75 5 +352278.74 2280.0 C57
2021-05-31 08:34:02 S 17 26 46.543 -45 07 07.86 V C57
2021-05-31 08:34:02 s 1 +106864.67 7 +352593.01 5540.0 C57
2021-05-31 08:44:01 S 17 26 43.289 -45 06 44.57 V C57
2021-05-31 08:44:01 s 1 +106550.29 0 +352906.29 8150.0 C57
2021-05-31 08:54:02 S 17 26 40.222 -45 06 22.00 V C57
2021-05-31 08:54:02 s 1 +106235.59 5 +353218.58 140.0 C57
2021-05-31 09:04:02 S 17 26 36.967 -45 05 58.52 V C57
2021-05-31 09:04:02 s 1 +105920.59 2 +353529.86 1490.0 C57
2021-05-31 09:14:02 S 17 26 33.684 -45 05 36.17 V C57
2021-05-31 09:14:02 s 1 +105605.28 4 +353840.15 2220.0 C57
2021-05-31 09:24:02 S 17 26 30.691 -45 05 13.67 V C57
2021-05-31 09:24:02 s 1 +105289.67 2 +354149.45 2330.0 C57
2021-05-31 09:34:02 S 17 26 27.569 -45 04 50.63 V C57
2021-05-31 09:34:02 s 1 +104973.75 7 +354457.75 1810.0 C57
2021-05-31 09:44:02 S 17 26 24.545 -45 04 28.16 V C57
2021-05-31 09:44:02 s 1 +104657.54 1 +354765.06 680.0 C57
2021-05-31 10:24:02 S 17 26 12.010 -45 02 55.10 V C57
2021-05-31 10:24:02 s 1 +103389.69 1 +355984.38 40.0 C57
2021-05-31 10:34:02 S 17 26 08.746 -45 02 33.50 V C57
2021-05-31 10:34:02 s 1 +103071.98 9 +356286.74 5870.0 C57
2021-05-31 10:44:02 S 17 26 05.870 -45 02 12.30 V C57
2021-05-31 10:44:02 s 1 +102753.99 3 +356588.10 1100.0 C57
2021-05-31 10:54:02 S 17 26 02.681 -45 01 49.80 V C57