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
2021-06-18 18:24:01 s 1 -84125.714 0 +386263.87 1290.0 C57
2021-06-18 18:34:01 S 16 16 12.130 -33 10 04.15 V C57
2021-06-18 18:34:01 s 1 -84459.442 0 +386080.29 8050.0 C57
2021-06-18 18:44:01 S 16 16 11.402 -33 09 53.32 V C57
2021-06-18 18:44:01 s 1 -84792.964 0 +385895.83 4120.0 C57
2021-06-18 18:54:01 S 16 16 11.208 -33 09 44.35 V C57
2021-06-18 18:54:01 s 1 -85126.281 0 +385710.49 9480.0 C57
2021-06-18 19:04:01 S 16 16 10.279 -33 09 36.58 V C57
2021-06-18 19:04:01 s 1 -85459.391 0 +385524.26 4150.0 C57
2021-06-18 19:14:01 S 16 16 09.422 -33 09 24.05 V C57
2021-06-18 19:14:01 s 1 -85792.293 0 +385337.15 8120.0 C57
2021-06-18 19:24:01 S 16 16 08.851 -33 09 17.75 V C57
2021-06-18 19:24:01 s 1 -86124.986 0 +385149.15 1370.0 C57
2021-06-18 20:34:01 S 16 16 04.733 -33 08 03.62 V C57
2021-06-18 20:34:01 s 1 -88447.914 0 +383808.35 4200.0 C57
2021-06-18 20:44:01 S 16 16 03.838 -33 07 51.42 V C57
2021-06-18 20:44:01 s 1 -88778.903 0 +383613.26 1720.0 C57
2021-06-18 21:04:01 S 16 16 02.762 -33 07 32.59 V C57
2021-06-18 21:04:01 s 1 -89440.229 0 +383220.41 4560.0 C57
2021-06-18 21:14:01 S 16 16 02.148 -33 07 29.53 V C57
2021-06-18 21:14:01 s 1 -89770.563 0 +383022.66 9890.0 C57
2021-06-18 21:54:01 S 16 15 59.784 -33 06 43.09 V C57
2021-06-18 21:54:01 s 1 -91089.691 0 +382222.76 3770.0 C57
2021-06-18 22:04:01 S 16 15 59.114 -33 06 38.63 V C57
2021-06-18 22:04:01 s 1 -91418.915 0 +382020.56 5380.0 C57
2021-06-18 22:34:01 S 16 15 57.581 -33 06 05.51 V C57
2021-06-18 22:34:01 s 1 -92405.236 0 +381408.63 5690.0 C57
2021-06-18 22:44:01 S 16 15 56.894 -33 05 53.09 V C57
2021-06-18 22:44:01 s 1 -92733.555 0 +381202.87 4280.0 C57
2021-06-18 22:54:01 S 16 15 55.951 -33 05 43.84 V C57
2021-06-18 22:54:01 s 1 -93061.645 0 +380996.22 2110.0 C57
2021-06-18 23:14:01 S 16 15 54.847 -33 05 25.48 V C57
2021-06-18 23:14:01 s 1 -93717.135 0 +380580.25 5470.0 C57
2021-06-18 23:24:01 S 16 15 54.358 -33 05 15.72 V C57
2021-06-18 23:24:01 s 1 -94044.534 0 +380370.93 990.0 C57
2021-06-18 23:34:01 S 16 15 53.866 -33 05 05.89 V C57
2021-06-18 23:34:01 s 1 -94371.699 0 +380160.71 5750.0 C57
2021-06-18 23:44:01 S 16 15 53.556 -33 05 00.35 V C57
2021-06-18 23:44:01 s 1 -94698.631 0 +379949.60 9720.0 C57
2021-06-18 23:54:01 S 16 15 52.704 -33 04 43.54 V C57
2021-06-18 23:54:01 s 1 -95025.328 0 +379737.60 2930.0 C57
2021-06-19 00:04:01 S 16 15 51.979 -33 04 33.85 V C57
2021-06-19 00:04:01 s 1 -95351.790 0 +379524.71 5350.0 C57
2021-06-19 00:14:01 S 16 15 51.391 -33 04 23.66 V C57
2021-06-19 00:14:01 s 1 -95678.015 0 +379310.92 6980.0 C57
2021-06-19 00:24:01 S 16 15 50.882 -33 04 14.59 V C57
2021-06-19 00:24:01 s 1 -96004.003 0 +379096.24 7830.0 C57
2021-06-19 00:34:01 S 16 15 50.455 -33 04 08.58 V C57
2021-06-19 00:34:01 s 1 -96329.752 0 +378880.67 7890.0 C57
2021-06-19 01:04:01 S 16 15 48.334 -33 03 39.24 V C57