1991 TU

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3267236820 ± 2.00e+00
Semi-major axis (a)1.4008379358 AU
Inclination (i)7.55458349° ± 4.00e+00
Long. of Asc. Node (Ω)193.25232316°
Arg. of Perihelion (ω)222.09597336° ± 6.00e+00
Mean Anomaly (M)182.14719993°
Mean Motion (n)0.5944353600°/day
Perihelion dist (q)0.94237480 AU
Aphelion dist (Q)1.85937680 AU
Orbital Period1.65805700 yr
Physical Parameters
H (abs. magnitude)28.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual3.545″
Uncertainty
Orbit TypeApollo
MOID0.003742 AU
Observations Used6
Oppositions1
Arc Total1991-1991
First Observation Used
Last Observation Used1991-10-07
Observations (6)
Date Type RA Dec Mag Band Observatory
1991-10-07 07:26:06 A 01 07 42.12 +04 06 18.1 i 691
1991-10-07 08:39:45 A 01 12 40.00 +03 17 06.6 i 691
1991-10-07 10:11:50 A 01 19 13.61 +02 12 13.3 i 691
1991-10-07 10:22:35 A 01 20 01.54 +02 04 20.1 i 691
1991-10-07 11:49:24 A 01 26 41.36 +00 59 31.7 i 691
1991-10-07 11:59:05 A 01 27 28.36 +00 52 03.4 i 691