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
2019-04-07 09:23:27 C 12 54 58.69 -03 57 39.5 V G96
2019-04-07 10:51:43 C 12 54 54.88 -03 56 48.6 V T08
2019-04-07 11:04:53 C 12 54 54.24 -03 56 41.1 V T08
2019-04-07 11:17:32 C 12 54 53.66 -03 56 34.7 V T08
2019-04-07 11:18:55 C 12 54 53.62 -03 56 33.2 V T08
2019-04-07 11:32:12 C 12 54 52.93 -03 56 25.5 V T08
2019-04-07 15:42:54 C 12 54 41.73 -03 54 06.1 q D29
2019-04-07 15:58:52 C 12 54 41.01 -03 53 56.9 q D29
2019-04-07 16:14:49 C 12 54 40.21 -03 53 48.4 q D29
2019-04-09 07:32:32 C 12 52 51.88 -03 31 31.4 V 703
2019-04-09 07:40:03 C 12 52 51.50 -03 31 27.8 V 703
2019-04-09 07:47:34 C 12 52 51.19 -03 31 23.4 V 703
2019-04-09 07:55:06 C 12 52 50.76 -03 31 19.7 V 703
2019-04-13 04:41:41 C 12 48 32.66 -02 38 01.6 V G96
2019-04-13 04:48:25 C 12 48 32.35 -02 37 57.5 V G96
2019-04-13 04:55:10 C 12 48 32.02 -02 37 53.7 V G96
2019-04-13 05:01:54 C 12 48 31.69 -02 37 49.9 V G96
2019-04-25 04:19:09 C 12 35 46.87 +00 03 51.9 V G96
2019-04-25 04:27:11 C 12 35 46.52 +00 03 56.2 V G96
2019-04-25 04:35:13 C 12 35 46.17 +00 04 00.6 V G96
2019-04-25 04:43:16 C 12 35 45.84 +00 04 04.7 V G96
2019-04-25 07:26:43 C 12 35 39.313 +00 05 33.43 U F51
2019-04-25 07:45:16 C 12 35 38.510 +00 05 43.25 U F51
2019-04-25 08:03:52 C 12 35 37.710 +00 05 53.10 U F51
2019-04-25 08:22:31 C 12 35 36.908 +00 06 02.97 U F51
2019-04-27 09:39:25 C 12 33 40.60 +00 31 44.6 V T08
2019-04-27 09:52:08 C 12 33 40.02 +00 31 52.6 V T08
2019-04-27 10:03:50 C 12 33 39.65 +00 31 57.3 V T08
2019-04-27 10:16:34 C 12 33 39.13 +00 32 04.3 V T08
2019-04-29 06:33:48 C 12 32 00.64 +00 54 19.4 V 703
2019-04-29 06:41:55 C 12 32 00.31 +00 54 22.5 V 703
2019-04-29 06:50:03 C 12 32 00.05 +00 54 27.0 V 703
2019-04-29 06:58:10 C 12 31 59.67 +00 54 30.7 V 703
2019-05-01 06:13:50 C 12 30 21.25 +01 17 21.8 V G96
2019-05-01 06:26:15 C 12 30 20.78 +01 17 26.4 V G96
2019-05-01 06:34:18 C 12 30 20.48 +01 17 30.7 V G96
2019-05-01 06:44:27 C 12 30 20.15 +01 17 35.8 V G96
2019-05-01 07:00:21 C 12 30 19.66 +01 17 44.0 V 703
2019-05-01 07:08:09 C 12 30 19.33 +01 17 46.7 V 703
2019-05-01 07:23:45 C 12 30 18.65 +01 17 55.3 V 703
2019-05-02 12:59:54 C 12 29 21.34 +01 31 38.9 q D29
2019-05-02 13:20:16 C 12 29 20.64 +01 31 48.3 q D29
2019-05-02 13:40:38 C 12 29 19.93 +01 31 57.2 q D29
2019-05-04 06:14:55 C 12 28 05.49 +01 50 03.5 V 703
2019-05-04 06:22:26 C 12 28 05.28 +01 50 06.5 V 703
2019-05-04 06:29:56 C 12 28 05.09 +01 50 11.0 V 703
2019-05-04 06:37:26 C 12 28 04.83 +01 50 14.2 V 703
2019-05-07 06:11:29 C 12 26 09.746 +02 20 02.13 U F51
2019-05-07 06:28:41 C 12 26 09.279 +02 20 08.97 U F51
2019-05-07 06:45:57 C 12 26 08.807 +02 20 15.78 U F51