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
2021-06-12 14:44:01 s 1 +183608.55 1 +185951.95 2070.0 C57
2021-06-12 14:54:01 S 16 27 43.716 -36 10 51.56 V C57
2021-06-12 14:54:01 s 1 +183528.25 7 +186662.58 5980.0 C57
2021-06-12 15:04:01 S 16 27 42.504 -36 10 34.43 V C57
2021-06-12 15:04:01 s 1 +183446.54 8 +187371.77 6450.0 C57
2021-06-12 15:14:01 S 16 27 41.650 -36 10 19.06 V C57
2021-06-12 15:14:01 s 1 +183363.43 3 +188079.54 3500.0 C57
2021-06-12 15:24:01 S 16 27 40.627 -36 10 04.94 V C57
2021-06-12 15:24:01 s 1 +183278.91 9 +188785.88 7140.0 C57
2021-06-12 15:34:01 S 16 27 39.660 -36 09 48.10 V C57
2021-06-12 15:34:01 s 1 +183193.01 3 +189490.79 7390.0 C57
2021-06-12 15:44:01 S 16 27 38.674 -36 09 32.98 V C57
2021-06-12 15:44:01 s 1 +183105.72 4 +190194.27 4270.0 C57
2021-06-12 15:54:01 S 16 27 37.594 -36 09 19.51 V C57
2021-06-12 15:54:01 s 1 +183017.05 7 +190896.33 7810.0 C57
2021-06-12 16:04:01 S 16 27 36.593 -36 09 02.05 V C57
2021-06-12 16:04:01 s 1 +182927.02 1 +191596.97 8010.0 C57
2021-06-12 16:14:01 S 16 27 35.570 -36 08 47.44 V C57
2021-06-12 16:14:01 s 1 +182835.62 2 +192296.18 4910.0 C57
2021-06-12 16:24:01 S 16 27 34.354 -36 08 32.35 V C57
2021-06-12 16:24:01 s 1 +182742.86 8 +192993.98 8500.0 C57
2021-06-12 16:34:01 S 16 27 33.727 -36 08 21.62 V C57
2021-06-12 16:34:01 s 1 +182648.76 6 +193690.36 8830.0 C57
2021-06-12 16:44:01 S 16 27 32.729 -36 08 06.54 V C57
2021-06-12 16:44:01 s 1 +182553.32 4 +194385.32 5890.0 C57
2021-06-12 16:54:01 S 16 27 31.442 -36 07 49.12 V C57
2021-06-12 16:54:01 s 1 +182456.54 7 +195078.87 9720.0 C57
2021-06-12 17:04:01 S 16 27 30.552 -36 07 32.66 V C57
2021-06-12 17:04:01 s 1 +182358.44 3 +195771.01 330.0 C57
2021-06-12 17:14:01 S 16 27 29.494 -36 07 17.98 V C57
2021-06-12 17:14:01 s 1 +182259.02 0 +196461.74 7730.0 C57
2021-06-12 17:24:01 S 16 27 28.435 -36 07 04.04 V C57
2021-06-12 17:24:01 s 1 +182158.28 3 +197151.05 1950.0 C57
2021-06-12 17:34:01 S 16 27 27.533 -36 06 49.50 V C57
2021-06-12 17:34:01 s 1 +182056.24 0 +197838.96 3000.0 C57
2021-06-12 17:44:01 S 16 27 26.705 -36 06 34.42 V C57
2021-06-12 17:44:01 s 1 +181952.89 8 +198525.47 900.0 C57
2021-06-12 17:54:01 S 16 27 25.572 -36 06 18.47 V C57
2021-06-12 17:54:01 s 1 +181848.26 3 +199210.56 5670.0 C57
2021-06-12 18:04:01 S 16 27 24.703 -36 06 02.38 V C57
2021-06-12 18:04:01 s 1 +181742.34 2 +199894.26 7320.0 C57
2021-06-12 18:14:01 S 16 27 23.506 -36 05 47.15 V C57
2021-06-12 18:14:01 s 1 +181635.14 1 +200576.56 5870.0 C57
2021-06-12 18:24:01 S 16 27 22.452 -36 05 31.31 V C57
2021-06-12 18:24:01 s 1 +181526.66 8 +201257.45 1340.0 C57
2021-06-12 18:34:01 S 16 27 21.475 -36 05 17.88 V C57
2021-06-12 18:34:01 s 1 +181416.92 8 +201936.95 3740.0 C57
2021-06-12 18:44:01 S 16 27 20.518 -36 05 03.52 V C57
2021-06-12 18:44:01 s 1 +181305.92 9 +202615.06 3100.0 C57
2021-06-12 18:54:01 S 16 27 19.649 -36 04 48.18 V C57