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 13:54:01 s 1 +173927.11 2 +63487.623 6180.0 C57
2021-06-11 14:04:01 S 16 30 25.507 -36 50 29.83 V C57
2021-06-11 14:04:01 s 1 +174187.78 2 +64418.187 3320.0 C57
2021-06-11 14:14:01 S 16 30 24.391 -36 50 14.06 V C57
2021-06-11 14:14:01 s 1 +174444.85 6 +65347.424 1280.0 C57
2021-06-11 14:24:01 S 16 30 23.129 -36 49 58.22 V C57
2021-06-11 14:24:01 s 1 +174698.36 2 +66275.324 130.0 C57
2021-06-11 14:34:01 S 16 30 21.972 -36 49 40.80 V C57
2021-06-11 14:34:01 s 1 +174948.32 4 +67201.882 9930.0 C57
2021-06-11 14:44:01 S 16 30 20.938 -36 49 22.30 V C57
2021-06-11 14:44:01 s 1 +175194.76 9 +68127.090 760.0 C57
2021-06-11 14:54:01 S 16 30 19.558 -36 49 06.20 V C57
2021-06-11 14:54:01 s 1 +175437.72 1 +69050.941 2680.0 C57
2021-06-11 15:04:01 S 16 30 18.610 -36 48 48.82 V C57
2021-06-11 15:04:01 s 1 +175677.20 7 +69973.430 5760.0 C57
2021-06-11 15:14:01 S 16 30 17.508 -36 48 32.08 V C57
2021-06-11 15:14:01 s 1 +175913.25 1 +70894.549 60.0 C57
2021-06-11 15:24:01 S 16 30 16.370 -36 48 12.53 V C57
2021-06-11 15:24:01 s 1 +176145.87 8 +71814.293 5660.0 C57
2021-06-11 15:34:01 S 16 30 15.062 -36 47 59.82 V C57
2021-06-11 15:34:01 s 1 +176375.11 2 +72732.655 2620.0 C57
2021-06-11 15:44:01 S 16 30 13.877 -36 47 40.78 V C57
2021-06-11 15:44:01 s 1 +176600.97 8 +73649.631 1000.0 C57
2021-06-11 15:54:01 S 16 30 12.797 -36 47 26.38 V C57
2021-06-11 15:54:01 s 1 +176823.50 0 +74565.213 880.0 C57
2021-06-11 16:04:01 S 16 30 11.606 -36 47 08.34 V C57
2021-06-11 16:04:01 s 1 +177042.70 2 +75479.396 2300.0 C57
2021-06-11 16:14:01 S 16 30 10.207 -36 46 52.00 V C57
2021-06-11 16:14:01 s 1 +177258.60 7 +76392.177 5340.0 C57
2021-06-11 16:34:01 S 16 30 08.112 -36 46 20.57 V C57
2021-06-11 16:34:01 s 1 +177680.62 0 +78213.506 6510.0 C57
2021-06-11 16:44:01 S 16 30 06.857 -36 46 01.60 V C57
2021-06-11 16:44:01 s 1 +177886.77 5 +79122.045 4770.0 C57
2021-06-11 16:54:01 S 16 30 05.791 -36 45 46.12 V C57
2021-06-11 16:54:01 s 1 +178089.72 5 +80029.160 4890.0 C57
2021-06-11 17:04:01 S 16 30 04.538 -36 45 29.88 V C57
2021-06-11 17:04:01 s 1 +178289.49 4 +80934.848 6930.0 C57
2021-06-11 17:14:01 S 16 30 03.588 -36 45 11.70 V C57
2021-06-11 17:14:01 s 1 +178486.10 3 +81839.104 950.0 C57
2021-06-11 17:24:01 S 16 30 02.282 -36 44 56.40 V C57
2021-06-11 17:24:01 s 1 +178679.57 6 +82741.924 7010.0 C57
2021-06-11 17:34:01 S 16 30 01.058 -36 44 38.76 V C57
2021-06-11 17:34:01 s 1 +178869.93 3 +83643.303 5170.0 C57
2021-06-11 17:44:01 S 16 30 00.067 -36 44 21.98 V C57
2021-06-11 17:44:01 s 1 +179057.19 6 +84543.238 5490.0 C57
2021-06-11 17:54:01 S 16 29 58.781 -36 44 07.26 V C57
2021-06-11 17:54:01 s 1 +179241.38 8 +85441.725 8020.0 C57
2021-06-11 18:04:01 S 16 29 57.576 -36 43 49.84 V C57
2021-06-11 18:04:01 s 1 +179422.52 9 +86338.760 2830.0 C57
2021-06-11 18:14:01 S 16 29 56.578 -36 43 33.20 V C57