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
2000-08-02 04:42:23 C 17 18 19.41 +00 35 26.5 z 711
2000-08-02 04:49:58 C 17 18 20.15 +00 35 21.4 z 711
2000-08-03 03:50:21 C 17 20 42.23 +00 19 01.2 17.5 c 704
2000-08-03 04:10:53 C 17 20 44.23 +00 18 47.3 17.4 c 704
2000-08-03 04:31:28 C 17 20 46.28 +00 18 32.6 16.8 c 704
2000-08-03 04:52:16 C 17 20 48.28 +00 18 17.6 16.9 c 704
2000-08-03 05:12:47 C 17 20 50.30 +00 18 02.8 16.8 c 704
2000-08-23 20:36:55 C 18 19 07.54 -05 50 49.2 118
2000-08-23 20:40:43 C 18 19 08.00 -05 50 51.9 118
2000-08-25 23:27:29 C 18 25 41.07 -06 26 20.0 z 808
2000-09-23 02:33:08 C 19 54 33.18 -12 05 10.5 18.6 c 704
2000-09-23 03:15:43 C 19 54 38.52 -12 05 23.1 19.2 c 704
2000-09-23 03:36:57 C 19 54 41.14 -12 05 28.7 18.2 c 704
2000-09-23 03:58:10 C 19 54 43.77 -12 05 34.7 18.8 c 704
2000-09-24 02:37:16 C 19 57 38.72 -12 11 36.9 18.4 c 704
2000-09-24 02:58:33 C 19 57 41.35 -12 11 42.0 18.7 c 704
2000-09-24 03:19:54 C 19 57 44.06 -12 11 47.1 19.4 c 704
2000-09-24 03:41:17 C 19 57 46.67 -12 11 54.3 19.1 c 704
2000-09-24 04:02:34 C 19 57 49.35 -12 11 58.6 18.9 c 704
2003-03-21 22:01:56 C 12 10 52.18 -02 57 04.8 941
2003-03-21 22:04:35 C 12 10 52.07 -02 57 03.8 941
2003-03-21 22:07:13 C 12 10 51.93 -02 57 02.2 941
2003-03-21 22:15:08 C 12 10 51.54 -02 56 58.6 941
2003-03-21 22:17:46 C 12 10 51.42 -02 56 57.5 941
2003-03-26 06:29:38 C 12 06 01.20 -02 06 20.0 20.4 c 644
2003-03-26 08:22:46 C 12 05 55.55 -02 05 24.2 19.7 c 644
2003-03-26 09:55:45 C 12 05 51.05 -02 04 37.4 20.0 c 644
2003-03-26 20:57:34 C 12 05 19.95 -01 59 09.3 c 246
2003-03-26 20:58:55 C 12 05 20.02 -01 59 08.5 c 246
2003-03-26 21:04:21 C 12 05 19.66 -01 59 04.8 c 246
2003-03-26 21:05:55 C 12 05 19.64 -01 59 03.9 c 246
2003-03-26 21:07:19 C 12 05 19.57 -01 59 03.9 c 246
2003-05-27 13:38:09 C 11 36 15.84 +05 57 56.1 c 344
2003-05-27 14:12:40 C 11 36 16.66 +05 57 55.5 c 344
2010-11-10 09:45:43 C 04 34 59.09 +12 49 07.3 o 291
2010-11-10 09:51:06 C 04 34 58.79 +12 49 05.9 o 291
2010-11-10 09:56:28 C 04 34 58.51 +12 49 04.9 o 291
2010-12-10 05:47:31 C 03 59 06.25 +10 45 32.6 r G96
2010-12-10 06:00:44 C 03 59 05.67 +10 45 31.4 r G96
2010-12-10 06:14:00 C 03 59 05.06 +10 45 30.0 r G96
2010-12-10 06:27:19 C 03 59 04.45 +10 45 28.8 r G96
2012-02-01 08:21:27 C 08 45 57.63 +08 44 29.8 r G96
2012-02-01 08:33:04 C 08 45 57.06 +08 44 33.4 r G96
2012-02-01 08:44:45 C 08 45 56.52 +08 44 34.5 r G96
2012-02-01 08:56:29 C 08 45 56.01 +08 44 37.6 r G96
2013-07-16 14:20:44 C 02 09 29.925 +15 28 35.30 L F51
2013-07-16 14:27:45 C 02 09 30.529 +15 28 37.12 L F51
2013-07-16 14:34:48 C 02 09 31.135 +15 28 39.06 L F51
2013-07-16 14:41:48 C 02 09 31.730 +15 28 40.92 L F51
2013-09-17 09:34:22 C 03 21 51.76 +15 17 14.8 q G96