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
2016-08-30 11:06:48 C 22 08 29.37 +03 36 36.9 L T05
2016-08-30 11:22:39 C 22 08 29.54 +03 36 22.0 L T05
2016-08-30 11:45:45 C 22 08 29.81 +03 36 00.5 L T05
2016-09-02 16:23:59 C 22 09 47.75 +02 25 25.0 q D29
2016-09-02 16:46:54 C 22 09 48.02 +02 25 04.1 q D29
2016-09-02 17:09:48 C 22 09 48.31 +02 24 43.1 q D29
2016-09-03 06:30:22 C 22 10 02.51 +02 12 36.6 q H45
2016-09-03 06:31:57 C 22 10 02.55 +02 12 35.2 q H45
2016-09-03 06:33:12 C 22 10 02.57 +02 12 34.2 q H45
2016-09-03 06:34:40 C 22 10 02.59 +02 12 32.8 q H45
2016-09-03 06:36:13 C 22 10 02.60 +02 12 31.1 q H45
2016-09-03 06:37:42 C 22 10 02.62 +02 12 30.0 q H45
2016-09-04 04:48:48 C 22 10 27.18 +01 52 33.2 q 703
2016-09-04 04:56:44 C 22 10 27.28 +01 52 26.0 q 703
2016-09-04 05:04:41 C 22 10 27.38 +01 52 18.9 q 703
2016-09-04 05:12:37 C 22 10 27.48 +01 52 11.6 q 703
2016-09-04 06:03:01 C 22 10 28.11 +01 51 26.6 q G96
2016-09-04 06:09:33 C 22 10 28.20 +01 51 20.8 q G96
2016-09-04 06:16:01 C 22 10 28.28 +01 51 15.0 q G96
2016-09-04 06:22:32 C 22 10 28.36 +01 51 09.2 q G96
2016-09-07 10:01:43 C 22 11 52.91 +00 44 51.8 L T05
2016-09-07 10:08:57 C 22 11 53.00 +00 44 45.9 L T05
2016-09-07 10:40:07 C 22 11 53.43 +00 44 19.0 L T05
2016-09-07 10:54:07 C 22 11 53.62 +00 44 06.6 L T05
2016-09-07 11:15:06 C 22 11 53.92 +00 43 49.0 L T05
2016-09-08 23:16:30 C 22 12 37.86 +00 13 16.3 o Z22
2016-09-08 23:26:58 C 22 12 38.03 +00 13 07.8 o Z22
2016-09-09 21:02:35 C 22 13 04.88 -00 04 51.3 q 160
2016-09-09 21:04:31 C 22 13 04.92 -00 04 52.6 q 160
2016-09-09 21:06:30 C 22 13 04.92 -00 04 53.9 q 160
2016-09-10 04:55:12 C 22 13 14.88 -00 11 13.7 q 703
2016-09-10 05:03:08 C 22 13 15.04 -00 11 21.1 q 703
2016-09-10 05:11:05 C 22 13 15.14 -00 11 27.6 q 703
2016-09-10 05:19:01 C 22 13 15.28 -00 11 34.1 q 703
2016-09-11 06:50:12 C 22 13 47.32 -00 32 12.8 q H45
2016-09-11 06:51:53 C 22 13 47.35 -00 32 14.0 q H45
2016-09-11 06:53:21 C 22 13 47.37 -00 32 15.2 q H45
2016-09-11 06:54:37 C 22 13 47.40 -00 32 16.5 q H45
2016-09-11 06:55:49 C 22 13 47.41 -00 32 17.1 q H45
2016-09-11 06:57:02 C 22 13 47.42 -00 32 18.0 q H45
2016-09-19 09:28:40 C 22 18 33.96 -02 53 40.7 L T05
2016-09-19 09:55:53 C 22 18 34.58 -02 53 57.9 L T05
2016-09-19 10:07:25 C 22 18 34.83 -02 54 05.2 L T05
2016-09-19 10:23:30 C 22 18 35.17 -02 54 15.9 L T05
2016-09-19 10:48:00 C 22 18 35.77 -02 54 31.8 L T05
2016-09-19 12:08:52 C 22 18 38.70 -02 55 08.2 q Q60
2016-09-19 12:35:29 C 22 18 39.29 -02 55 25.4 q Q60
2016-09-19 12:49:20 C 22 18 39.55 -02 55 34.8 q Q60
2016-09-22 22:45:41 C 22 21 00.77 -03 46 09.7 o Z22
2016-09-22 22:57:37 C 22 21 01.04 -03 46 16.3 o Z22