257838 (2000 JQ66)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4197482659 ± 1.78e-08
Semi-major axis (a)2.1652920613 AU ± 1.19e-09
Inclination (i)7.06145608° ± 1.47e-06
Long. of Asc. Node (Ω)188.89277714° ± 1.43e-05
Arg. of Perihelion (ω)103.86188071° ± 1.61e-05
Mean Anomaly (M)339.11536696° ± 3.04e-06
Mean Motion (n)0.3093410467°/day ± 2.55e-10
Perihelion dist (q)1.25641447 AU ± 3.86e-08
Aphelion dist (Q)3.07416965 AU ± 3.86e-08
Orbital Period3.18621241 yr ± 2.62e-09
Physical Parameters
H (abs. magnitude)18.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.313″
Uncertainty0
Orbit TypeAmor
MOID0.273705 AU
Observations Used807
Oppositions28
Arc Total1984-2025
First Observation Used1984-03-29
Last Observation Used2025-03-28
Observations (859)
Date Type RA Dec Mag Band Observatory
1984-03-29 16:17:43 14 18 46.90 -10 37 44.3 260
1984-03-29 17:17:44 14 18 46.06 -10 37 18.6 260
2000-05-02 07:51:31 c 16 17 25.83 -08 04 35.6 c 699
2000-05-02 08:18:59 c 16 17 26.06 -08 04 15.7 c 699
2000-05-02 08:46:36 c 16 17 26.34 -08 03 55.9 c 699
2000-05-02 09:14:10 c 16 17 26.56 -08 03 35.5 c 699
2000-05-05 08:05:45 C 16 18 16.27 -07 11 08.7 18.3 c 704
2000-05-05 08:23:01 C 16 18 16.38 -07 10 56.1 18.5 c 704
2000-05-05 08:40:19 C 16 18 16.49 -07 10 42.1 18.9 c 704
2000-05-05 08:57:36 C 16 18 16.51 -07 10 29.0 18.4 c 704
2000-05-05 09:14:55 C 16 18 16.63 -07 10 16.4 18.2 c 704
2000-05-11 06:23:14 C 16 19 14.65 -05 19 47.4 18.0 c 704
2000-05-11 06:43:13 C 16 19 14.62 -05 19 31.5 17.6 c 704
2000-05-11 07:00:48 C 16 19 14.62 -05 19 17.5 17.7 c 704
2000-05-11 07:18:03 C 16 19 14.59 -05 19 03.2 17.9 c 704
2000-05-11 07:35:11 C 16 19 14.56 -05 18 49.5 18.0 c 704
2000-05-12 09:22:58 C 16 19 19.43 -04 57 57.4 17.6 c 704
2000-05-12 09:56:20 C 16 19 19.00 -04 57 27.3 17.7 c 704
2000-05-12 10:13:02 C 16 19 18.85 -04 57 13.6 17.7 c 704
2000-05-14 07:26:49 C 16 19 24.96 -04 20 21.5 17.8 c 704
2000-05-14 07:44:00 C 16 19 24.89 -04 20 07.3 18.3 c 704
2000-05-14 08:01:28 C 16 19 24.84 -04 19 52.9 17.8 c 704
2000-05-14 08:18:35 C 16 19 24.77 -04 19 39.0 17.4 c 704
2000-05-14 08:35:42 C 16 19 24.73 -04 19 24.8 17.9 c 704
2000-05-22 20:18:40 C 16 19 01.25 -01 31 10.2 587
2000-05-22 20:32:45 C 16 19 01.23 -01 30 59.1 587
2000-05-23 21:59:30 C 16 18 53.66 -01 10 13.7 i 108
2000-05-23 22:07:09 C 16 18 53.58 -01 10 06.6 i 108
2000-05-23 22:14:18 C 16 18 53.55 -01 10 01.3 i 108
2000-05-24 21:48:30 C 16 18 46.44 -00 50 54.0 610
2000-05-24 21:55:30 C 16 18 46.35 -00 50 48.2 610
2000-05-24 22:02:30 C 16 18 46.27 -00 50 42.4 610
2000-05-24 22:09:31 C 16 18 46.18 -00 50 36.5 610
2000-05-27 06:49:58 C 16 18 27.18 -00 05 17.8 c 670
2000-05-27 07:06:00 C 16 18 26.87 -00 05 05.4 c 699
2000-05-27 07:28:34 C 16 18 26.55 -00 04 46.2 c 699
2000-05-27 07:45:20 C 16 18 26.57 -00 04 34.1 c 670
2000-05-27 07:51:11 C 16 18 26.36 -00 04 29.8 c 699
2000-05-27 08:13:55 C 16 18 26.11 -00 04 11.9 c 699
2000-05-28 07:39:39 C 16 18 17.60 +00 14 06.6 i 739
2000-05-28 07:40:15 C 16 18 17.60 +00 14 07.7 i 649
2000-05-28 07:41:35 C 16 18 17.68 +00 14 08.1 i 739
2000-05-28 07:43:21 C 16 18 17.59 +00 14 09.6 i 739
2000-05-28 07:45:15 C 16 18 17.50 +00 14 11.6 i 739
2000-05-28 07:53:04 C 16 18 17.72 +00 14 19.4 17.8 c 704
2000-05-28 08:01:00 C 16 18 17.47 +00 14 23.5 i 649
2000-05-28 08:16:54 C 16 18 17.44 +00 14 38.6 17.7 c 704
2000-05-28 08:21:09 C 16 18 17.23 +00 14 38.3 i 649
2000-05-28 08:37:33 C 16 18 17.16 +00 14 58.4 19.6 c 704
2000-05-28 08:58:00 C 16 18 17.03 +00 15 10.4 17.7 c 704