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
2016-11-02 03:35:22 C 23 03 13.13 -07 11 48.2 q 703
2016-11-02 03:52:41 C 23 03 14.04 -07 11 46.4 q 703
2016-11-30 02:57:01 C 23 43 05.83 -04 56 44.6 q G96
2016-11-30 03:03:10 C 23 43 06.16 -04 56 42.7 q G96
2016-11-30 03:16:08 C 23 43 06.99 -04 56 39.4 q G96
2016-11-30 03:24:52 C 23 43 07.51 -04 56 36.4 q G96
2019-02-04 14:35:27 C 13 11 21.470 -09 53 53.06 U F51
2019-02-04 14:50:31 C 13 11 21.826 -09 53 54.26 U F51
2019-02-04 15:05:35 C 13 11 22.194 -09 53 55.23 U F51
2019-02-04 15:20:35 C 13 11 22.551 -09 53 56.38 U F51
2019-03-17 07:20:55 C 13 13 34.01 -07 56 48.3 V G96
2019-03-17 07:28:20 C 13 13 33.84 -07 56 45.7 V G96
2019-03-17 07:35:44 C 13 13 33.63 -07 56 43.3 V G96
2019-03-28 00:34:41 C 13 05 28.95 -06 08 38.9 V C95
2019-03-28 00:44:35 C 13 05 28.56 -06 08 34.5 V C95
2019-03-28 00:54:29 C 13 05 28.14 -06 08 29.6 V C95
2019-03-29 07:02:57 C 13 04 18.88 -05 53 47.0 V 703
2019-03-29 07:10:54 C 13 04 18.55 -05 53 42.6 V 703
2019-03-29 07:18:52 C 13 04 18.24 -05 53 38.8 V 703
2019-03-29 07:26:49 C 13 04 17.95 -05 53 35.4 V 703
2019-03-31 08:02:01 C 13 02 21.20 -05 29 06.6 V G96
2019-03-31 08:09:23 C 13 02 20.85 -05 29 03.0 V G96
2019-03-31 08:16:45 C 13 02 20.53 -05 28 58.7 V G96
2019-03-31 08:24:06 C 13 02 20.23 -05 28 55.5 V G96
2019-04-01 06:30:18 C 13 01 25.57 -05 17 30.0 V 703
2019-04-01 06:39:04 C 13 01 25.27 -05 17 24.9 V 703
2019-04-01 06:47:51 C 13 01 24.81 -05 17 19.6 V 703
2019-04-01 06:56:38 C 13 01 24.43 -05 17 15.0 V 703
2019-04-03 09:39:04 C 12 59 14.994 -04 50 22.21 U F51
2019-04-03 10:00:51 C 12 59 13.995 -04 50 10.49 U F51
2019-04-03 10:22:38 C 12 59 12.990 -04 49 58.84 U F51
2019-04-04 15:23:19 C 12 57 56.89 -04 34 16.4 q D29
2019-04-04 15:43:41 C 12 57 55.95 -04 34 05.0 q D29
2019-04-04 16:04:03 C 12 57 55.01 -04 33 54.1 q D29
2019-04-05 15:47:34 C 12 56 51.72 -04 20 51.7 q D29
2019-04-05 16:03:31 C 12 56 51.00 -04 20 42.5 q D29
2019-04-05 16:19:29 C 12 56 50.24 -04 20 33.9 q D29
2019-04-06 04:23:41 C 12 56 18.19 -04 13 52.5 V 703
2019-04-06 04:39:24 C 12 56 17.46 -04 13 43.6 V 703
2019-04-06 04:47:15 C 12 56 17.07 -04 13 39.3 V 703
2019-04-06 08:19:47 C 12 56 07.450 -04 11 39.25 U F51
2019-04-06 08:36:44 C 12 56 06.646 -04 11 29.84 U F51
2019-04-06 08:53:44 C 12 56 05.837 -04 11 20.40 U F51
2019-04-06 09:10:43 C 12 56 05.026 -04 11 10.95 U F51
2019-04-06 15:35:03 C 12 55 47.55 -04 07 38.5 q D29
2019-04-06 15:51:01 C 12 55 46.81 -04 07 29.3 q D29
2019-04-06 16:06:58 C 12 55 46.04 -04 07 20.2 q D29
2019-04-07 09:01:03 C 12 54 59.78 -03 57 52.4 V G96
2019-04-07 09:08:31 C 12 54 59.42 -03 57 48.2 V G96
2019-04-07 09:15:58 C 12 54 59.05 -03 57 44.1 V G96