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
2008-02-11 09:47:22 C 12 56 00.92 -03 05 33.5 r G96
2008-02-11 10:00:59 C 12 56 00.78 -03 05 33.2 r G96
2008-02-26 08:51:44 C 12 48 42.67 -02 32 15.2 o 691
2008-02-26 09:17:03 C 12 48 41.83 -02 32 13.3 o 691
2008-02-26 09:42:24 C 12 48 41.15 -02 32 08.9 o 691
2008-03-05 09:14:55 C 12 42 39.67 -02 03 10.2 o 704
2008-03-05 09:31:18 C 12 42 39.01 -02 03 09.0 o 704
2008-03-05 10:03:56 C 12 42 37.93 -02 03 03.5 o 704
2008-03-05 10:20:21 C 12 42 37.31 -02 02 59.6 o 704
2008-03-09 06:58:11 C 12 39 15.02 -01 46 40.1 o 691
2008-03-09 07:19:59 C 12 39 14.17 -01 46 36.3 o 691
2008-03-09 07:41:47 C 12 39 13.31 -01 46 32.6 o 691
2008-03-11 08:19:54 C 12 37 20.79 -01 37 27.5 19.9 c 704
2008-03-11 08:36:10 C 12 37 20.11 -01 37 24.4 20.3 c 704
2008-03-11 08:52:09 C 12 37 19.49 -01 37 21.9 19.8 c 704
2008-03-13 06:45:49 C 12 35 29.88 -01 28 31.7 o 691
2008-03-13 07:11:21 C 12 35 28.80 -01 28 26.4 o 691
2008-03-13 07:36:52 C 12 35 27.77 -01 28 21.7 o 691
2008-03-29 07:23:06 C 12 18 47.95 -00 09 02.4 19.4 c 704
2008-03-29 07:40:35 C 12 18 47.22 -00 08 59.1 20.1 c 704
2008-03-29 07:57:49 C 12 18 46.39 -00 08 58.0 20.5 c 704
2008-03-29 08:15:12 C 12 18 45.72 -00 08 52.2 20.1 c 704
2008-03-29 08:32:26 C 12 18 44.95 -00 08 48.9 19.9 c 704
2008-04-03 05:14:26 C 12 13 33.42 +00 15 07.4 r G96
2008-04-03 05:22:12 C 12 13 33.09 +00 15 08.8 r G96
2008-04-03 05:30:08 C 12 13 32.73 +00 15 10.5 r G96
2008-04-03 05:38:02 C 12 13 32.37 +00 15 12.0 r G96
2008-04-07 07:25:42 C 12 09 17.30 +00 34 20.0 20.1 c 704
2008-04-07 07:42:10 C 12 09 16.73 +00 34 24.9 20.4 c 704
2008-04-07 07:58:37 C 12 09 15.96 +00 34 27.5 19.9 c 704
2008-04-07 08:15:06 C 12 09 15.30 +00 34 31.0 20.0 c 704
2009-07-25 00:43:53 C 03 46 12.88 +19 28 45.6 18.8 r C20
2009-07-30 23:41:26 C 04 05 28.61 +21 06 24.7 18.5 r C20
2009-07-30 23:50:36 C 04 05 29.82 +21 06 30.6 18.1 r C20
2009-08-13 23:44:57 C 04 49 20.91 +24 17 44.5 18.6 r C20
2009-08-16 00:21:56 C 04 55 29.53 +24 41 08.8 19.6 r C20
2009-08-19 10:41:17 C 05 05 45.24 +25 18 27.8 o 691
2009-08-19 11:00:14 C 05 05 47.56 +25 18 36.3 o 691
2009-08-19 11:18:49 C 05 05 49.83 +25 18 44.6 o 691
2009-08-20 00:20:57 C 05 07 26.27 +25 24 22.3 18.6 o C20
2009-08-20 00:29:49 C 05 07 27.35 +25 24 25.6 18.6 o C20
2009-08-23 22:36:43 C 05 18 54.63 +26 03 07.3 18.8 o C20
2009-08-23 22:40:23 C 05 18 55.10 +26 03 08.8 19.3 o C20
2009-08-25 00:03:23 C 05 21 57.58 +26 12 59.9 18.6 o C20
2009-08-25 00:08:53 C 05 21 58.20 +26 13 02.0 18.7 o C20
2009-08-28 09:28:10 C 05 31 34.71 +26 42 57.8 18.6 c 704
2009-08-28 09:46:19 C 05 31 36.82 +26 43 05.0 19.0 c 704
2009-08-28 10:04:32 C 05 31 38.84 +26 43 11.6 18.7 c 704
2009-08-28 10:22:41 C 05 31 40.95 +26 43 17.8 18.9 c 704
2009-08-28 10:40:54 C 05 31 43.05 +26 43 24.7 18.5 c 704