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
2024-05-29 02:17:03 C 19 15 43.910 -31 16 25.28 V M22
2024-05-29 02:21:49 C 19 15 43.164 -31 16 25.25 V M22
2024-05-29 02:31:18 C 19 15 41.767 -31 16 25.18 V M22
2024-05-29 02:46:29 C 19 15 39.382 -31 16 27.30 V M22
2024-05-30 00:13:50 C 19 12 26.813 -31 17 34.98 V M22
2024-05-30 00:17:17 C 19 12 26.249 -31 17 35.34 V M22
2024-05-30 00:21:14 C 19 12 25.618 -31 17 35.63 V M22
2024-05-30 01:11:53 C 19 12 17.906 -31 17 37.93 V M22
2024-06-01 05:37:56 C 19 04 23.969 -31 18 53.71 V W68
2024-06-01 05:40:32 C 19 04 23.532 -31 18 53.86 V W68
2024-06-01 05:47:58 C 19 04 22.390 -31 18 54.00 V W68
2024-06-01 06:07:45 C 19 04 19.339 -31 18 54.11 V W68
2024-07-09 08:32:57 C 17 20 27.174 -27 47 58.28 X F52
2024-07-09 08:45:19 C 17 20 26.412 -27 47 54.78 X F52
2024-07-09 08:57:43 C 17 20 25.668 -27 47 51.13 X F52
2024-07-09 09:10:08 C 17 20 24.915 -27 47 47.68 X F52