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
1993-08-24 10:38:09 C 16 33 06.30 -36 15 01.7 413
1993-08-24 10:42:10 C 16 33 06.65 -36 15 01.1 413
1993-09-01 11:35:46 C 16 51 19.85 -35 45 37.6 413
1993-09-01 11:38:36 C 16 51 20.14 -35 45 37.2 413
1993-09-02 11:35:04 C 16 53 49.67 -35 41 33.8 413
1993-09-02 11:42:21 C 16 53 50.42 -35 41 32.6 413
1993-09-03 11:26:32 C 16 56 21.38 -35 37 24.9 413
1993-09-03 11:29:32 C 16 56 21.77 -35 37 24.4 413
1995-03-21 13:21:50 C 10 29 41.66 +16 00 38.9 413
1995-03-21 13:26:54 C 10 29 41.45 +16 00 38.9 413
1995-03-22 12:32:43 C 10 28 50.10 +16 02 54.9 413
1995-03-22 12:36:53 C 10 28 49.91 +16 02 55.4 413
1995-04-03 06:04:29 C 10 19 55.36 +16 19 10.9 711
1995-04-03 06:42:29 C 10 19 54.36 +16 19 11.8 711
1995-06-01 03:06:40 C 10 22 34.83 +13 27 51.7 711
1995-06-01 03:32:56 C 10 22 35.45 +13 27 45.9 711
1996-02-29 18:03:50 C 15 35 45.92 -22 42 21.1 413
1996-02-29 18:08:12 C 15 35 46.04 -22 42 22.0 413
1996-04-20 09:45:08 C 15 32 11.18 -26 23 21.5 c 608
1996-04-20 10:42:59 C 15 32 08.74 -26 23 27.9 c 608
1996-04-23 10:36:19 C 15 29 08.68 -26 30 04.9 c 608
1996-04-23 11:14:58 C 15 29 06.91 -26 30 09.1 c 608
1996-04-23 15:46:57 C 15 28 54.90 -26 30 33.3 J 381
1996-04-23 15:50:21 C 15 28 54.74 -26 30 33.5 J 381
1996-04-23 15:54:34 C 15 28 54.55 -26 30 33.7 J 381
1996-04-24 15:43:25 C 15 27 50.29 -26 32 26.6 J 381
1996-04-24 15:46:37 C 15 27 50.15 -26 32 26.6 J 381
1996-06-04 05:06:35 C 14 31 26.22 -25 31 51.3 z 689
1996-06-26 05:12:40 C 14 14 23.26 -24 16 49.4 z 696
1996-06-26 05:14:32 C 14 14 23.23 -24 16 49.4 z 696
1996-06-26 05:19:07 C 14 14 23.18 -24 16 48.7 z 696
1998-02-02 01:28:31 C 10 41 05.20 +17 27 26.3 z 118
1998-02-02 01:39:29 C 10 41 04.75 +17 27 29.1 z 118
1999-02-21 11:43:18 C 14 43 00.73 -17 26 30.5 z 711
1999-02-21 12:01:56 C 14 43 00.92 -17 26 33.6 z 711
1999-04-11 09:23:44 C 14 24 42.84 -18 37 33.5 z 719
1999-04-14 17:08:59 C 14 21 00.11 -18 31 38.1 360
1999-04-14 17:16:15 C 14 20 59.71 -18 31 37.3 360
1999-04-17 07:31:09 C 14 17 56.39 -18 25 55.8 19.0 a 704
1999-04-17 07:55:44 C 14 17 55.12 -18 25 53.4 19.3 a 704
1999-04-17 08:20:17 C 14 17 53.86 -18 25 50.9 18.6 a 704
1999-04-17 08:44:54 C 14 17 52.59 -18 25 50.6 19.1 a 704
1999-05-12 04:47:52 C 13 46 06.36 -16 55 27.2 c 699
1999-05-12 05:24:31 C 13 46 04.42 -16 55 21.5 c 699
1999-05-12 06:01:10 C 13 46 02.57 -16 55 15.4 c 699
1999-05-18 03:34:25 C 13 39 14.18 -16 29 52.1 19.0 a 704
1999-05-18 03:54:25 C 13 39 13.24 -16 29 49.7 19.6 a 704
1999-05-18 04:34:27 C 13 39 11.36 -16 29 42.6 18.4 a 704
1999-05-18 04:54:36 C 13 39 10.42 -16 29 37.8 18.4 a 704
2001-02-03 07:58:48 C 09 56 08.37 +23 04 51.0 18.9 c 704