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
2021-06-17 02:04:01 S 16 18 50.326 -33 52 43.28 V C57
2021-06-17 02:24:01 S 16 18 49.020 -33 52 18.52 V C57
2021-06-17 03:04:01 S 16 18 46.399 -33 51 37.51 V C57
2021-06-17 03:14:01 S 16 18 45.672 -33 51 26.53 V C57
2021-06-17 03:34:01 S 16 18 44.165 -33 51 00.79 V C57
2021-06-17 03:44:01 S 16 18 43.380 -33 50 51.65 V C57
2021-06-17 03:54:01 S 16 18 42.737 -33 50 37.32 V C57
2021-06-17 04:04:01 S 16 18 42.226 -33 50 29.51 V C57
2021-06-17 04:14:01 S 16 18 41.482 -33 50 20.76 V C57
2021-06-17 04:24:01 S 16 18 40.997 -33 50 07.66 V C57
2021-06-17 04:34:01 S 16 18 40.322 -33 49 58.15 V C57
2021-06-17 04:44:01 S 16 18 39.312 -33 49 45.41 V C57
2021-06-17 04:54:01 S 16 18 38.606 -33 49 35.15 V C57
2021-06-17 05:04:01 S 16 18 38.076 -33 49 22.84 V C57
2021-06-17 05:14:01 S 16 18 37.363 -33 49 10.06 V C57
2021-06-17 05:24:01 S 16 18 36.658 -33 49 01.45 V C57
2021-06-17 05:34:01 S 16 18 36.238 -33 48 53.68 V C57
2021-06-17 05:44:01 S 16 18 35.270 -33 48 41.54 V C57
2021-06-17 05:54:01 S 16 18 34.730 -33 48 29.59 V C57
2021-06-17 06:04:01 S 16 18 33.931 -33 48 19.04 V C57
2021-06-17 06:54:01 S 16 18 30.689 -33 47 25.37 V C57
2021-06-17 07:04:01 S 16 18 29.654 -33 47 15.68 V C57
2021-06-17 07:04:01 s 1 -10135.158 0 +405462.79 9870.0 C57
2021-06-17 07:14:01 S 16 18 29.179 -33 47 00.28 V C57
2021-06-17 07:14:01 s 1 -10493.205 0 +405463.86 1870.0 C57
2021-06-17 07:24:01 S 16 18 28.476 -33 46 48.00 V C57
2021-06-17 07:24:01 s 1 -10851.221 0 +405464.06 3650.0 C57
2021-06-17 07:34:01 S 16 18 27.787 -33 46 39.94 V C57
2021-06-17 07:34:01 s 1 -11209.207 0 +405463.40 5210.0 C57
2021-06-17 07:44:01 S 16 18 27.019 -33 46 24.85 V C57
2021-06-17 07:44:01 s 1 -11567.161 0 +405461.86 6530.0 C57
2021-06-17 08:14:01 S 16 18 24.974 -33 46 01.34 V C57
2021-06-17 08:14:01 s 1 -12640.826 0 +405452.04 9130.0 C57
2021-06-17 08:24:01 S 16 18 24.686 -33 45 43.92 V C57
2021-06-17 08:24:01 s 1 -12998.646 0 +405447.03 9530.0 C57
2021-06-17 08:34:01 S 16 18 23.820 -33 45 30.78 V C57
2021-06-17 08:34:01 s 1 -13356.430 0 +405441.15 9690.0 C57
2021-06-17 09:14:01 S 16 18 21.204 -33 44 50.50 V C57
2021-06-17 09:14:01 s 1 -14787.195 0 +405408.94 7920.0 C57
2021-06-17 09:24:01 S 16 18 20.503 -33 44 44.09 V C57
2021-06-17 09:24:01 s 1 -15144.790 0 +405398.71 6870.0 C57
2021-06-17 09:34:01 S 16 18 19.627 -33 44 30.62 V C57
2021-06-17 09:34:01 s 1 -15502.344 0 +405387.62 5560.0 C57
2021-06-17 09:44:01 S 16 18 19.330 -33 44 16.66 V C57
2021-06-17 09:44:01 s 1 -15859.857 0 +405375.66 4000.0 C57
2021-06-17 11:44:01 S 16 18 10.918 -33 42 09.50 V C57
2021-06-17 11:44:01 s 1 -20146.529 0 +405164.42 4890.0 C57
2021-06-17 11:54:01 S 16 18 10.361 -33 41 58.56 V C57
2021-06-17 11:54:01 s 1 -20503.437 0 +405141.17 9870.0 C57
2021-06-17 12:04:01 S 16 18 09.859 -33 41 45.13 V C57