1999 TU16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4966121039 ± 2.00e+00
Semi-major axis (a)2.5781146651 AU ± 3.00e+00
Inclination (i)18.69332614° ± 4.00e+00
Long. of Asc. Node (Ω)202.37540914° ± 5.00e+00
Arg. of Perihelion (ω)175.94155777° ± 6.00e+00
Mean Anomaly (M)114.50485708° ± 2.36e+00
Mean Motion (n)0.2378674000°/day ± 4.15e-01
Perihelion dist (q)1.29784100 AU ± 5.37e+00
Aphelion dist (Q)3.86168060 AU ± 6.84e+00
Orbital Period4.14351730 yr ± 7.23e+00
Physical Parameters
H (abs. magnitude)22.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.413″
Uncertainty4
Orbit TypeAmor
MOID0.299026 AU
Observations Used26
Oppositions1
Arc Total1999-1999
First Observation Used
Last Observation Used1999-10-30
Observations (28)
Date Type RA Dec Mag Band Observatory
1999-10-11 07:58:06 C 01 56 42.17 +14 58 03.6 b 691
1999-10-11 08:29:52 C 01 56 44.77 +14 56 36.2 b 691
1999-10-11 09:14:27 C 01 56 48.48 +14 54 32.1 b 691
1999-10-12 07:47:39 C 01 58 50.48 +13 51 58.5 b 691
1999-10-12 07:53:38 C 01 58 50.88 +13 51 43.8 b 691
1999-10-12 07:59:44 C 01 58 51.33 +13 51 25.2 b 691
1999-10-13 07:07:24 C 02 00 53.71 +12 46 53.8 b 691
1999-10-13 07:13:45 C 02 00 54.32 +12 46 36.8 b 691
1999-10-13 07:19:31 C 02 00 54.71 +12 46 19.7 b 691
1999-10-15 08:23:44 C 02 05 04.64 +10 28 51.4 b 691
1999-10-15 08:31:04 C 02 05 05.20 +10 28 29.6 b 691
1999-10-15 08:37:03 C 02 05 05.63 +10 28 13.8 b 691
1999-10-15 16:00:23 C 02 05 42.02 +10 08 02.9 413
1999-10-15 16:04:40 C 02 05 42.34 +10 07 50.8 413
1999-10-16 07:40:35 C 02 07 00.16 +09 23 34.1 c 658
1999-10-16 07:46:20 C 02 07 00.53 +09 23 18.3 c 658
1999-10-16 07:49:12 C 02 07 00.76 +09 23 09.7 c 658
1999-10-16 16:24:28 C 02 07 41.37 +08 59 50.2 413
1999-10-16 16:28:04 C 02 07 41.62 +08 59 40.6 413
1999-10-17 14:56:32 C 02 09 29.89 +07 57 09.5 413
1999-10-17 14:59:02 C 02 09 30.06 +07 57 02.4 413
1999-10-17 15:01:30 C 02 09 30.24 +07 56 55.5 413
1999-10-18 08:47:24 C 02 10 53.79 +07 07 08.8 c 658
1999-10-18 08:50:53 C 02 10 54.06 +07 06 59.2 c 658
1999-10-18 08:53:42 C 02 10 54.26 +07 06 50.7 c 658
1999-10-30 07:34:39 C 02 30 02.14 -04 43 21.3 b 691
1999-10-30 07:40:16 C 02 30 02.35 -04 43 34.3 b 691
1999-10-30 07:45:41 C 02 30 02.68 -04 43 45.7 b 691