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
1998-10-16 02:32:45 C 19 46 43.08 -32 01 17.7 z 670
1998-10-16 02:37:00 C 19 46 43.67 -32 01 14.6 z 670
1998-10-16 11:27:30 C 19 48 04.54 -31 55 30.8 422
1998-10-16 11:29:22 C 19 48 04.83 -31 55 29.8 422
1998-10-16 11:30:40 C 19 48 05.00 -31 55 28.8 422
1998-10-17 08:47:57 C 19 51 19.33 -31 42 22.9 z 428
1998-10-17 08:58:29 C 19 51 20.83 -31 42 16.8 z 428
1998-10-17 11:20:50 C 19 51 41.66 -31 40 45.8 z 428
1998-10-17 16:59:25 C 19 52 33.22 -31 37 32.1 046
1998-10-17 17:04:26 C 19 52 33.99 -31 37 29.7 046
1998-10-17 17:05:52 C 19 52 34.13 -31 37 28.7 046
1998-10-17 17:06:58 C 19 52 34.28 -31 37 27.8 046
1998-10-17 17:08:09 C 19 52 34.50 -31 37 26.8 046
1998-10-18 02:24:59 C 19 53 57.18 -31 31 39.6 z 670
1998-10-18 02:32:45 C 19 53 58.25 -31 31 36.3 z 670
1998-10-18 02:41:45 C 19 53 59.54 -31 31 29.5 z 670
1998-10-18 02:50:05 C 19 54 00.66 -31 31 24.8 673
1998-10-18 02:59:01 C 19 54 01.91 -31 31 19.0 673
1998-10-18 03:09:48 C 19 54 03.47 -31 31 12.1 673
1998-10-18 08:44:26 C 19 54 53.02 -31 27 31.3 z 428
1998-10-18 08:52:14 C 19 54 54.10 -31 27 26.2 z 428
1998-10-18 10:36:00 C 19 55 09.31 -31 26 34.5 360
1998-10-18 10:42:44 C 19 55 10.23 -31 26 30.6 360
1998-10-18 10:46:30 C 19 55 10.76 -31 26 28.2 360
1998-10-21 09:31:50 C 20 05 17.28 -30 41 59.7 z 428
1998-10-21 09:42:29 C 20 05 18.71 -30 41 53.2 z 428
1998-10-21 09:57:15 C 20 05 21.02 -30 41 56.8 360
1998-10-21 09:59:44 C 20 05 21.35 -30 41 55.2 360
1998-10-21 10:02:15 C 20 05 21.69 -30 41 53.9 360
1998-10-21 11:32:13 C 20 05 33.63 -30 40 41.4 422
1998-10-21 11:33:18 C 20 05 33.76 -30 40 40.5 422
1998-10-21 11:34:24 C 20 05 33.92 -30 40 39.9 422
1998-10-22 18:59:04 C 20 09 52.81 -30 21 10.7 z 587
1998-10-24 10:04:28 C 20 15 06.41 -29 56 16.3 b 426
1998-10-24 10:09:03 C 20 15 06.99 -29 56 13.1 b 426
1998-10-24 10:14:07 C 20 15 07.64 -29 56 10.0 b 426
1998-10-28 19:32:57 C 20 28 32.83 -28 49 38.8 z 587
1998-10-28 19:36:59 C 20 28 33.39 -28 49 37.0 z 587
1998-11-01 23:58:50 C 20 40 34.84 -27 45 33.4 z 860
1998-11-02 00:08:53 C 20 40 36.01 -27 45 26.6 z 860
1998-11-02 00:15:31 C 20 40 36.76 -27 45 21.9 z 860
1998-11-04 09:39:18 C 20 47 12.78 -27 08 48.2 z 428
1998-11-04 09:48:06 C 20 47 13.80 -27 08 42.6 z 428
1998-11-04 10:41:13 C 20 47 19.66 -27 08 08.3 z 428
1998-11-04 10:56:02 C 20 47 21.31 -27 07 57.9 z 428
1998-11-08 10:42:15 C 20 57 58.76 -26 07 00.4 360
1998-11-08 10:45:59 C 20 57 59.17 -26 06 57.9 360
1998-11-08 10:49:45 C 20 57 59.55 -26 06 55.5 360
1998-11-08 12:11:53 C 20 58 08.27 -26 05 50.2 b 426
1998-11-08 12:19:47 C 20 58 09.09 -26 05 45.2 b 426