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
2016-08-09 03:45:33 C 21 58 49.01 +10 56 47.2 q W19
2016-08-09 03:52:04 C 21 58 49.14 +10 56 42.8 q W19
2016-08-09 03:58:40 C 21 58 49.28 +10 56 38.5 q W19
2016-08-09 09:01:43 C 21 58 57.047 +10 53 19.24 L F51
2016-08-09 09:20:07 C 21 58 57.393 +10 53 06.73 L F51
2016-08-09 09:37:04 C 21 58 57.704 +10 52 55.15 L F51
2016-08-09 09:54:05 C 21 58 58.013 +10 52 43.49 L F51
2016-08-12 00:52:53 C 22 00 27.85 +10 06 56.2 V 160
2016-08-12 00:54:15 C 22 00 27.85 +10 06 55.0 V 160
2016-08-12 00:55:37 C 22 00 27.86 +10 06 54.4 V 160
2016-08-13 22:29:16 C 22 01 29.07 +09 31 33.2 V 160
2016-08-13 22:31:11 C 22 01 29.10 +09 31 31.7 V 160
2016-08-13 22:33:18 C 22 01 29.13 +09 31 29.9 V 160
2016-08-14 22:50:51 C 22 01 59.62 +09 11 55.9 q 160
2016-08-14 22:52:47 C 22 01 59.66 +09 11 54.4 q 160
2016-08-14 22:54:44 C 22 01 59.69 +09 11 52.9 q 160
2016-08-23 03:59:28 C 22 05 38.03 +06 19 26.2 q W55
2016-08-23 04:14:51 C 22 05 38.19 +06 19 12.2 q W55
2016-08-23 04:31:11 C 22 05 38.38 +06 18 56.9 q W55
2016-08-24 21:08:02 C 22 06 18.73 +05 41 23.2 16.4 q L71
2016-08-24 21:12:28 C 22 06 18.78 +05 41 19.3 16.4 q L71
2016-08-24 21:16:44 C 22 06 18.81 +05 41 15.3 16.3 q L71
2016-08-24 21:20:57 C 22 06 18.87 +05 41 11.2 16.3 q L71
2016-08-24 21:24:16 C 22 06 19.38 +05 41 06.7 q 246
2016-08-24 21:24:33 C 22 06 19.38 +05 41 06.4 q 246
2016-08-24 21:24:51 C 22 06 19.39 +05 41 06.2 q 246
2016-08-24 21:25:09 C 22 06 18.92 +05 41 07.5 16.3 q L71
2016-08-24 21:25:09 C 22 06 19.38 +05 41 05.8 q 246
2016-08-24 21:25:29 C 22 06 19.39 +05 41 05.7 q 246
2016-08-24 21:25:49 C 22 06 19.40 +05 41 05.3 q 246
2016-08-24 21:26:10 C 22 06 19.41 +05 41 05.0 q 246
2016-08-24 21:26:43 C 22 06 19.41 +05 41 04.5 q 246
2016-08-24 21:27:25 C 22 06 19.42 +05 41 03.9 q 246
2016-08-26 20:53:48 C 22 07 06.03 +04 56 52.0 q G34
2016-08-26 21:02:16 C 22 07 06.11 +04 56 43.9 q G34
2016-08-26 21:06:30 C 22 07 06.14 +04 56 39.9 q G34
2016-08-26 21:10:45 C 22 07 06.21 +04 56 36.9 q G34
2016-08-26 21:14:59 C 22 07 06.31 +04 56 32.5 q G34
2016-08-26 22:11:56 C 22 07 07.01 +04 55 40.3 q 160
2016-08-26 22:14:00 C 22 07 07.03 +04 55 38.4 q 160
2016-08-26 22:15:57 C 22 07 07.04 +04 55 36.7 q 160
2016-08-28 06:48:14 C 22 07 39.65 +04 25 22.0 1 T09
2016-08-28 07:12:38 C 22 07 39.93 +04 24 59.9 1 T09
2016-08-28 07:24:18 C 22 07 40.08 +04 24 48.9 1 T09
2016-08-28 08:25:19 C 22 07 39.62 +04 23 47.0 q G96
2016-08-28 08:33:54 C 22 07 39.71 +04 23 38.9 q G96
2016-08-28 08:42:50 C 22 07 39.80 +04 23 30.6 q G96
2016-08-28 08:51:28 C 22 07 39.90 +04 23 22.5 q G96
2016-08-30 10:25:42 C 22 08 28.96 +03 37 15.1 L T05
2016-08-30 10:33:54 C 22 08 29.05 +03 37 07.4 L T05