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
1990-11-09 22:22:02 A 02 00 37.27 +26 45 47.1 589
1990-11-09 22:32:02 A 02 00 37.07 +26 45 49.7 589
1990-11-09 22:42:03 A 02 00 36.88 +26 45 52.1 589
1990-11-10 19:16:12 A 02 00 15.90 +26 50 13.4 046
1990-11-10 19:36:27 A 02 00 15.46 +26 50 17.4 046
1990-11-10 21:54:59 A 02 00 12.48 +26 50 46.3 D 540
1990-11-10 22:14:59 A 02 00 12.11 +26 50 50.4 D 540
1990-11-10 22:36:00 A 02 00 11.62 +26 50 54.1 D 540
1990-11-10 22:54:59 A 02 00 11.23 +26 50 58.0 D 540
1990-11-13 18:54:37 A 01 59 14.61 +27 03 27.3 046
1990-11-13 19:15:04 A 01 59 14.28 +27 03 31.2 046
1990-11-13 20:48:59 A 01 59 12.87 +27 03 49.8 589
1990-11-13 20:58:59 A 01 59 12.75 +27 03 51.2 589
1990-11-13 21:08:59 A 01 59 12.63 +27 03 52.7 589
1990-11-13 21:49:03 A 01 59 11.87 +27 03 58.1 589
1990-11-13 21:59:04 A 01 59 11.75 +27 04 00.2 589
1990-11-13 22:09:03 A 01 59 11.63 +27 04 02.2 589
1990-11-15 19:07:30 A 01 58 46.15 +27 10 43.8 095
1990-11-15 20:10:00 A 01 58 45.36 +27 10 52.2 095
1990-11-16 03:01:41 A 01 58 42.28 +27 11 47.5 801
1990-11-16 04:12:23 A 01 58 41.44 +27 11 56.6 801
1990-11-20 03:15:33 A 01 58 22.30 +27 22 34.3 801
1990-11-20 05:19:20 A 01 58 21.85 +27 22 44.2 801
1990-12-07 03:01:35 A 02 04 42.27 +27 43 00.8 657
1990-12-07 03:35:35 A 02 04 42.97 +27 43 02.1 657
1990-12-08 10:21:00 A 02 05 38.87 +27 43 58.8 16.5 D 399
1990-12-08 10:42:29 A 02 05 39.59 +27 43 59.0 D 399
1990-12-14 01:04:26 A 02 10 21.80 +27 48 04.3 801
1990-12-14 01:23:21 A 02 10 22.47 +27 48 05.0 801
1990-12-15 01:38:46 A 02 11 19.74 +27 48 52.4 801
1990-12-15 02:00:50 A 02 11 20.55 +27 48 53.0 801
1990-12-18 11:53:09 A 02 14 47.25 +27 52 00.2 413
1991-01-20 01:39:19 A 03 00 34.22 +28 44 00.2 801
1991-01-20 01:50:33 A 03 00 35.05 +28 44 01.4 801
1991-02-09 23:59:29 A 03 37 40.36 +29 30 31.1 801
1991-02-10 00:09:01 A 03 37 41.17 +29 30 33.5 801
1991-02-12 01:01:10 A 03 41 28.93 +29 34 56.4 801
1991-02-12 01:17:12 A 03 41 30.18 +29 34 56.8 801
1992-03-12 09:08:40 C 11 13 57.73 +10 40 55.8 z 658
1992-03-12 09:14:30 C 11 13 57.47 +10 40 56.0 z 658
1992-03-12 09:20:12 C 11 13 57.23 +10 40 58.4 z 658
1993-05-10 14:36:36 C 17 24 48.68 -35 12 26.5 413
1993-05-10 14:54:57 C 17 24 48.36 -35 12 33.4 413
1993-05-11 18:56:14 C 17 24 15.48 -35 23 11.7 413
1993-05-11 18:58:50 C 17 24 15.44 -35 23 12.6 413
1993-07-30 12:09:11 C 16 00 18.79 -37 44 02.4 413
1993-07-30 12:12:30 C 16 00 18.85 -37 44 01.6 413
1993-07-30 12:43:42 C 16 00 19.45 -37 43 55.6 413
1993-07-31 11:12:48 C 16 00 50.81 -37 40 08.5 413
1993-07-31 11:23:15 C 16 00 51.01 -37 40 06.8 413