5646 (1990 TR)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4358497328 ± 7.46e-09
Semi-major axis (a)2.1441964543 AU ± 1.80e-09
Inclination (i)7.90564825° ± 1.27e-06
Long. of Asc. Node (Ω)14.07406921° ± 8.21e-06
Arg. of Perihelion (ω)335.82075353° ± 8.34e-06
Mean Anomaly (M)80.51194380° ± 2.02e-06
Mean Motion (n)0.3139174197°/day ± 3.95e-10
Perihelion dist (q)1.20964900 AU ± 1.60e-08
Aphelion dist (Q)3.07874391 AU ± 1.62e-08
Orbital Period3.13976295 yr ± 3.95e-09
Physical Parameters
H (abs. magnitude)15.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.098″
Uncertainty0
Orbit TypeAmor
MOID0.210181 AU
Observations Used2339
Gaia Obs Used51
Oppositions18
Arc Total1990-2026
First Observation Used1990-05-03
Last Observation Used2026-03-09
Observations (2545)
Date Type RA Dec Mag Band Observatory
2015-10-15 19:09:22 S 20 18 46.553 -25 22 30.40 L C51
2015-10-15 20:43:59 S 20 19 01.322 -25 20 35.52 L C51
2015-10-15 22:18:25 S 20 19 16.082 -25 18 41.33 L C51
2015-10-15 23:52:51 S 20 19 30.859 -25 16 46.02 L C51
2015-10-16 01:27:17 S 20 19 45.64 -25 14 51.1 L C51
2015-10-16 03:01:43 S 20 20 00.394 -25 12 56.27 L C51
2015-10-16 04:36:09 S 20 20 15.15 -25 11 01.4 L C51
2015-10-16 05:16:01 C 20 20 21.410 -25 10 23.94 L F51
2015-10-16 05:31:33 C 20 20 23.762 -25 10 04.97 L F51
2015-10-16 05:47:04 C 20 20 26.117 -25 09 46.02 L F51
2015-10-16 06:10:35 S 20 20 29.93 -25 09 06.3 L C51
2015-10-16 07:45:02 S 20 20 44.67 -25 07 11.1 L C51
2015-10-16 09:19:28 S 20 20 59.44 -25 05 15.8 L C51
2015-10-16 10:53:54 S 20 21 14.21 -25 03 20.3 L C51
2015-10-16 10:54:05 S 20 21 14.24 -25 03 20.5 L C51
2015-10-16 12:28:31 S 20 21 29.01 -25 01 24.8 L C51
2015-10-16 14:02:56 S 20 21 43.77 -24 59 29.6 L C51
2015-10-16 15:37:22 S 20 21 58.53 -24 57 33.8 L C51
2015-10-16 17:11:49 S 20 22 13.296 -24 55 38.21 L C51
2015-10-16 23:29:33 S 20 23 12.334 -24 47 54.96 L C51
2015-10-17 02:38:36 S 20 23 41.90 -24 44 02.7 L C51
2015-10-17 05:47:28 S 20 24 11.42 -24 40 10.1 L C51
2015-10-17 08:56:20 S 20 24 40.934 -24 36 17.10 L C51
2015-10-17 12:05:12 S 20 25 10.45 -24 32 23.9 L C51
2015-10-17 15:14:04 S 20 25 39.98 -24 28 30.4 L C51
2015-10-17 18:23:07 S 20 26 09.526 -24 24 36.50 L C51
2015-10-17 21:31:59 S 20 26 39.058 -24 20 42.32 L C51
2015-10-18 00:40:52 S 20 27 08.55 -24 16 47.8 L C51
2015-10-18 03:49:44 S 20 27 38.05 -24 12 53.1 L C51
2015-10-18 06:58:36 S 20 28 07.56 -24 08 58.0 L C51
2015-10-18 06:58:46 S 20 28 07.59 -24 08 58.0 L C51
2015-10-18 10:07:39 S 20 28 37.10 -24 05 02.5 L C51
2015-10-18 13:16:31 S 20 29 06.60 -24 01 06.8 L C51
2015-10-18 16:25:23 S 20 29 36.10 -23 57 10.7 L C51
2015-10-18 19:34:15 S 20 30 05.582 -23 53 14.42 L C51
2015-10-19 01:52:10 S 20 31 04.61 -23 45 20.7 L C51
2015-10-19 05:01:02 S 20 31 34.068 -23 41 23.64 L C51
2015-10-19 08:09:55 S 20 32 03.57 -23 37 25.9 L C51
2015-10-19 11:18:47 S 20 32 33.05 -23 33 28.0 L C51
2015-10-19 14:27:38 S 20 33 02.54 -23 29 30.1 L C51
2015-10-19 17:36:42 S 20 33 32.04 -23 25 31.5 L C51
2015-10-24 05:13:15 C 20 50 16.220 -21 07 12.60 L F51
2015-10-24 05:29:07 C 20 50 18.604 -21 06 51.81 L F51
2015-10-24 05:44:57 C 20 50 20.990 -21 06 31.00 L F51
2015-10-24 06:00:49 C 20 50 23.374 -21 06 10.15 L F51
2015-10-25 05:12:19 C 20 53 58.839 -20 35 43.12 L F51
2015-10-25 05:28:11 C 20 54 01.222 -20 35 22.17 L F51
2015-10-25 05:59:52 C 20 54 05.976 -20 34 40.35 L F51
2015-11-01 00:44:34 C 21 18 59.64 -16 56 32.8 q W98
2015-11-01 01:12:45 C 21 19 03.80 -16 55 54.1 q W98