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
2016-07-11 08:48:32 C 21 27 40.95 +13 29 03.5 q 703
2016-07-11 08:53:35 C 21 27 41.30 +13 29 04.6 q 703
2016-07-11 08:58:38 C 21 27 41.65 +13 29 06.0 q 703
2016-07-11 23:46:28 C 21 28 40.49 +13 32 52.9 q 160
2016-07-11 23:48:57 C 21 28 40.63 +13 32 53.5 q 160
2016-07-11 23:51:26 C 21 28 40.80 +13 32 54.2 q 160
2016-07-12 07:22:17 C 21 29 10.45 +13 34 49.0 q 719
2016-07-12 08:34:38 C 21 29 14.68 +13 35 07.1 q 719
2016-07-13 08:41:05 C 21 30 47.29 +13 40 28.6 q H45
2016-07-13 08:43:02 C 21 30 47.40 +13 40 29.0 q H45
2016-07-13 08:44:29 C 21 30 47.47 +13 40 29.4 q H45
2016-07-13 08:46:19 C 21 30 47.58 +13 40 29.6 q H45
2016-07-13 08:47:37 C 21 30 47.65 +13 40 30.0 q H45
2016-07-13 08:50:31 C 21 30 47.83 +13 40 30.5 q H45
2016-07-13 23:36:54 C 21 31 44.41 +13 43 52.6 o K95
2016-07-13 23:40:24 C 21 31 44.57 +13 43 53.3 o K95
2016-07-13 23:48:03 C 21 31 45.04 +13 43 55.9 o K95
2016-07-13 23:49:47 C 21 31 45.17 +13 43 56.1 o K95
2016-07-13 23:51:31 C 21 31 45.23 +13 43 55.0 o K95
2016-07-14 00:01:54 C 21 31 45.80 +13 43 57.4 o K95
2016-07-14 00:03:35 C 21 31 45.84 +13 43 58.0 o K95
2016-07-14 00:05:15 C 21 31 45.98 +13 43 58.2 o K95
2016-07-14 06:07:50 C 21 32 09.49 +13 44 33.1 R G45
2016-07-14 06:07:56 C 21 32 09.51 +13 44 33.1 R G45
2016-07-14 06:11:00 C 21 32 09.56 +13 44 31.1 463
2016-07-14 06:13:21 C 21 32 09.79 +13 44 34.0 R G45
2016-07-14 06:13:27 C 21 32 09.81 +13 44 34.1 R G45
2016-07-14 06:20:18 C 21 32 10.21 +13 44 35.4 R G45
2016-07-14 06:20:24 C 21 32 10.22 +13 44 35.5 R G45
2016-07-14 06:28:55 C 21 32 10.70 +13 44 37.0 R G45
2016-07-14 06:33:55 C 21 32 10.98 +13 44 38.0 R G45
2016-07-14 06:35:58 C 21 32 11.11 +13 44 38.4 R G45
2016-07-14 06:38:00 C 21 32 11.03 +13 44 35.3 463
2016-07-14 06:40:58 C 21 32 11.38 +13 44 39.3 R G45
2016-07-14 06:42:59 C 21 32 11.51 +13 44 39.8 R G45
2016-07-14 07:00:29 C 21 32 12.45 +13 44 40.5 463
2016-07-16 07:52:30 C 21 35 10.19 +13 51 29.9 463
2016-07-16 08:19:59 C 21 35 11.48 +13 51 31.6 463
2016-07-16 08:42:44 C 21 35 12.68 +13 51 34.7 463
2016-07-19 23:36:04 C 21 40 07.21 +13 55 06.2 q 160
2016-07-19 23:38:36 C 21 40 07.32 +13 55 06.3 q 160
2016-07-19 23:41:05 C 21 40 07.44 +13 55 06.4 q 160
2016-07-20 23:35:40 C 21 41 23.34 +13 54 09.0 q 160
2016-07-20 23:38:03 C 21 41 23.44 +13 54 08.8 q 160
2016-07-20 23:40:25 C 21 41 23.56 +13 54 08.5 q 160
2016-07-22 11:56:39 C 21 43 14.03 +13 51 16.0 L T05
2016-07-22 12:12:10 C 21 43 14.63 +13 51 14.8 L T05
2016-07-22 12:37:42 C 21 43 15.71 +13 51 12.6 L T05
2016-07-22 12:49:21 C 21 43 16.24 +13 51 10.1 L T05
2016-07-23 07:28:43 C 21 44 11.79 +13 48 40.0 463