66146 (1998 TU3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4836695083 ± 7.98e-09
Semi-major axis (a)0.7875484334 AU ± 2.45e-10
Inclination (i)5.41524028° ± 4.76e-07
Long. of Asc. Node (Ω)101.87880813° ± 1.26e-05
Arg. of Perihelion (ω)84.99239296° ± 1.26e-05
Mean Anomaly (M)74.76749583° ± 1.84e-06
Mean Motion (n)1.4102508438°/day ± 6.58e-10
Perihelion dist (q)0.40663527 AU ± 6.29e-09
Aphelion dist (Q)1.16846160 AU ± 6.30e-09
Orbital Period0.69890140 yr ± 3.26e-10
Physical Parameters
H (abs. magnitude)14.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.154″
Uncertainty0
Orbit TypeAten
MOID0.073999 AU
Observations Used2011
Gaia Obs Used99
Oppositions15
Arc Total1982-2024
First Observation Used1982-12-04
Last Observation Used2024-11-14
Observations (2268)
Date Type RA Dec Mag Band Observatory
1998-11-08 12:25:00 C 20 58 09.65 -26 05 41.6 b 426
1998-11-11 17:11:51 C 21 06 23.03 -25 16 45.7 046
1998-11-11 17:14:58 C 21 06 23.35 -25 16 43.3 046
1998-11-11 17:16:39 C 21 06 23.52 -25 16 42.3 046
1998-11-12 10:26:30 C 21 08 11.62 -25 05 39.9 360
1998-11-12 10:29:00 C 21 08 11.88 -25 05 38.3 360
1998-11-12 10:31:29 C 21 08 12.14 -25 05 36.8 360
1998-11-15 09:09:50 C 21 15 31.47 -24 20 00.7 z 428
1998-11-15 09:15:29 C 21 15 32.07 -24 19 57.0 z 428
1998-11-15 18:50:23 C 21 16 30.94 -24 13 58.8 z 587
1998-11-15 18:55:55 C 21 16 31.53 -24 13 54.4 z 587
1998-11-21 10:53:13 C 21 30 10.00 -22 45 45.4 b 426
1998-11-21 10:58:10 C 21 30 10.47 -22 45 42.4 b 426
1998-11-21 11:03:32 C 21 30 10.96 -22 45 38.7 b 426
1998-11-28 17:46:09 C 21 47 06.01 -20 51 38.3 z 104
1998-11-28 18:04:14 C 21 47 07.64 -20 51 25.5 z 104
1998-11-28 18:06:09 C 21 47 07.83 -20 51 24.3 z 104
1998-12-01 11:18:28 C 21 53 17.55 -20 08 11.1 b 426
1998-12-01 11:26:23 C 21 53 18.26 -20 08 06.1 b 426
1998-12-01 11:33:49 C 21 53 18.96 -20 08 00.9 b 426
1998-12-01 11:40:52 C 21 53 19.62 -20 07 56.5 b 426
1998-12-04 10:55:52 C 21 59 59.30 -19 20 39.5 z 428
1998-12-04 11:00:49 C 21 59 59.78 -19 20 36.1 z 428
1998-12-09 16:24:42 C 22 11 33.77 -17 56 43.2 118
1998-12-09 16:33:19 C 22 11 34.54 -17 56 37.4 118
1998-12-09 16:36:51 C 22 11 34.84 -17 56 35.0 118
1998-12-11 10:17:44 C 22 15 22.90 -17 28 24.2 360
1998-12-11 10:20:45 C 22 15 23.17 -17 28 22.4 360
1998-12-11 10:25:30 C 22 15 23.60 -17 28 18.9 360
1998-12-12 11:10:33 C 22 17 38.42 -17 11 20.9 422
1998-12-12 11:12:08 C 22 17 38.55 -17 11 19.6 422
1998-12-12 11:13:01 C 22 17 38.63 -17 11 19.0 422
1998-12-13 17:14:47 C 22 20 22.40 -16 51 04.0 z 104
1998-12-13 17:21:50 C 22 20 23.15 -16 50 57.3 z 104
1998-12-13 17:33:59 C 22 20 24.37 -16 50 47.2 z 104
1998-12-21 11:08:38 C 22 37 04.53 -14 42 37.0 422
1998-12-21 11:11:30 C 22 37 04.80 -14 42 34.9 422
1998-12-21 11:12:34 C 22 37 04.90 -14 42 34.2 422
1998-12-23 17:38:10 C 22 41 56.04 -14 04 39.9 118
1998-12-23 17:48:03 C 22 41 56.89 -14 04 33.1 118
1998-12-26 09:48:05 C 22 47 37.20 -13 19 14.2 z 428
1998-12-26 09:53:05 C 22 47 37.67 -13 19 10.5 z 428
1998-12-26 09:58:21 C 22 47 38.13 -13 19 06.5 z 428
1998-12-28 17:43:03 C 22 52 33.64 -12 39 41.7 046
1998-12-28 17:46:27 C 22 52 33.96 -12 39 39.1 046
1998-12-28 17:48:01 C 22 52 34.08 -12 39 37.9 046
1998-12-28 17:49:26 C 22 52 34.20 -12 39 37.1 046
1999-01-06 09:42:06 C 23 10 43.97 -10 09 25.4 z 428
1999-01-06 09:46:53 C 23 10 44.38 -10 09 22.3 z 428
1999-01-06 09:51:27 C 23 10 44.78 -10 09 18.8 z 428