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 21:14:01 s 1 -40384.250 0 +402455.89 9480.0 C57
2021-06-17 21:24:01 S 16 17 32.597 -33 31 52.86 V C57
2021-06-17 21:24:01 s 1 -40736.936 0 +402383.24 5120.0 C57
2021-06-17 21:34:01 S 16 17 31.838 -33 31 41.12 V C57
2021-06-17 21:34:01 s 1 -41089.525 0 +402309.72 360.0 C57
2021-06-17 21:44:01 S 16 17 30.998 -33 31 31.37 V C57
2021-06-17 21:44:01 s 1 -41442.017 0 +402235.33 5190.0 C57
2021-06-17 21:54:01 S 16 17 30.427 -33 31 18.26 V C57
2021-06-17 21:54:01 s 1 -41794.409 0 +402160.08 9620.0 C57
2021-06-17 22:04:01 S 16 17 30.163 -33 31 05.23 V C57
2021-06-17 22:04:01 s 1 -42146.703 0 +402083.96 3640.0 C57
2021-06-17 22:14:01 S 16 17 29.335 -33 30 56.66 V C57
2021-06-17 22:14:01 s 1 -42498.896 0 +402006.97 7260.0 C57
2021-06-17 22:24:01 S 16 17 29.045 -33 30 45.54 V C57
2021-06-17 22:24:01 s 1 -42850.988 0 +401929.11 460.0 C57
2021-06-17 22:34:01 S 16 17 28.080 -33 30 36.25 V C57
2021-06-17 22:34:01 s 1 -43202.978 0 +401850.39 3250.0 C57
2021-06-17 22:54:01 S 16 17 26.952 -33 30 12.49 V C57
2021-06-17 22:54:01 s 1 -43906.649 0 +401690.34 7580.0 C57
2021-06-17 23:04:01 S 16 17 26.215 -33 30 04.93 V C57
2021-06-17 23:04:01 s 1 -44258.329 0 +401609.01 9110.0 C57
2021-06-17 23:14:01 S 16 17 25.267 -33 29 58.60 V C57
2021-06-17 23:14:01 s 1 -44609.904 0 +401526.82 230.0 C57
2021-06-17 23:24:01 S 16 17 24.878 -33 29 43.19 V C57
2021-06-17 23:24:01 s 1 -44961.373 0 +401443.76 920.0 C57
2021-06-17 23:34:01 S 16 17 24.185 -33 29 30.05 V C57
2021-06-17 23:34:01 s 1 -45312.735 0 +401359.83 1180.0 C57
2021-06-17 23:54:01 S 16 17 22.654 -33 29 08.88 V C57
2021-06-17 23:54:01 s 1 -46015.137 0 +401189.38 420.0 C57
2021-06-18 00:14:01 S 16 17 21.670 -33 28 57.32 V C57
2021-06-18 00:14:01 s 1 -46717.102 0 +401015.45 7920.0 C57
2021-06-18 01:04:01 S 16 17 18.235 -33 27 58.21 V C57
2021-06-18 01:04:01 s 1 -48470.064 0 +400565.44 4000.0 C57
2021-06-18 01:14:01 S 16 17 17.501 -33 27 46.08 V C57
2021-06-18 01:14:01 s 1 -48820.315 0 +400472.83 9880.0 C57
2021-06-18 01:24:01 S 16 17 16.966 -33 27 37.33 V C57
2021-06-18 01:24:01 s 1 -49170.451 0 +400379.36 5310.0 C57
2021-06-18 01:34:01 S 16 17 16.438 -33 27 26.35 V C57
2021-06-18 01:34:01 s 1 -49520.470 0 +400285.01 290.0 C57
2021-06-18 01:44:01 S 16 17 15.725 -33 27 18.25 V C57
2021-06-18 01:44:01 s 1 -49870.373 0 +400189.80 4810.0 C57
2021-06-18 01:54:01 S 16 17 15.223 -33 27 05.69 V C57
2021-06-18 01:54:01 s 1 -50220.157 0 +400093.72 8870.0 C57
2021-06-18 02:04:01 S 16 17 14.210 -33 26 56.36 V C57
2021-06-18 02:04:01 s 1 -50569.822 0 +399996.78 2480.0 C57
2021-06-18 02:24:01 S 16 17 13.166 -33 26 36.31 V C57
2021-06-18 02:24:01 s 1 -51268.794 0 +399800.27 8310.0 C57
2021-06-18 02:44:01 S 16 17 11.803 -33 26 16.66 V C57
2021-06-18 02:44:01 s 1 -51967.280 0 +399600.30 2270.0 C57
2021-06-18 02:54:01 S 16 17 11.206 -33 26 04.85 V C57