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
2019-05-07 07:03:13 C 12 26 08.337 +02 20 22.63 U F51
2019-05-08 06:35:42 C 12 25 34.39 +02 29 30.5 V 703
2019-05-08 06:59:28 C 12 25 33.79 +02 29 39.9 V 703
2019-06-03 07:07:46 C 12 25 42.104 +04 26 35.49 U F52
2019-06-03 07:58:01 C 12 25 43.163 +04 26 35.12 U F52
2019-06-04 05:06:57 C 12 26 14.13 +04 26 18.6 V G96
2019-06-04 05:15:04 C 12 26 14.35 +04 26 18.2 V G96
2019-06-04 05:23:09 C 12 26 14.51 +04 26 18.6 V G96
2019-06-04 05:31:13 C 12 26 14.73 +04 26 18.0 V G96
2019-06-06 04:42:19 C 12 27 31.07 +04 24 49.5 U I41
2019-06-06 05:07:47 C 12 27 31.75 +04 24 48.3 U I41
2019-07-01 04:10:24 C 12 56 21.94 +02 27 26.0 V G96
2019-07-01 04:21:43 C 12 56 22.69 +02 27 22.1 V G96
2019-07-01 04:33:02 C 12 56 23.46 +02 27 18.3 V G96
2019-07-01 04:44:22 C 12 56 24.16 +02 27 14.5 V G96
2019-08-18 06:06:52 C 14 45 33.349 -07 05 14.35 U F51
2019-08-18 06:13:20 C 14 45 34.131 -07 05 18.14 U F51
2019-08-18 06:19:48 C 14 45 34.915 -07 05 22.03 U F51
2019-08-18 06:26:15 C 14 45 35.673 -07 05 25.66 U F51
2022-02-23 12:16:18 C 11 17 25.014 -00 48 10.25 U F52
2022-02-23 12:32:00 C 11 17 24.368 -00 48 05.48 U F52
2022-02-23 12:47:38 C 11 17 23.739 -00 48 00.57 U F52
2022-02-23 13:03:15 C 11 17 23.084 -00 47 55.72 U F52
2022-03-05 09:34:15 C 11 07 11.817 +00 35 35.18 U F52
2022-03-05 10:07:25 C 11 07 10.248 +00 35 48.08 U F52
2022-03-05 10:24:09 C 11 07 09.453 +00 35 54.57 U F52
2022-03-23 04:44:10 C 10 47 27.25 +03 32 42.4 V G96
2022-03-23 04:51:37 C 10 47 26.89 +03 32 45.7 V G96
2022-03-23 04:59:02 C 10 47 26.58 +03 32 48.5 V G96
2022-03-23 05:06:27 C 10 47 26.30 +03 32 51.9 V G96
2022-03-30 08:15:06 C 10 40 26.159 +04 42 46.88 U F52
2022-03-30 08:33:41 C 10 40 25.427 +04 42 54.11 U F52
2022-03-30 08:52:21 C 10 40 24.692 +04 43 01.70 U F52
2022-04-03 05:58:28 C 10 37 04.901 +05 18 42.05 V G96
2022-04-03 06:05:51 C 10 37 04.656 +05 18 44.64 V G96
2022-04-03 06:13:16 C 10 37 04.343 +05 18 47.77 V G96
2022-04-03 06:20:40 C 10 37 04.112 +05 18 50.26 V G96
2022-05-26 04:02:51 C 10 39 25.009 +08 27 47.48 V G96
2022-05-26 04:11:02 C 10 39 25.272 +08 27 46.48 V G96
2022-05-26 04:19:14 C 10 39 25.582 +08 27 45.29 V G96
2024-01-16 05:53:57 C 05 08 44.581 +13 05 36.56 V V00
2024-01-16 06:01:52 C 05 08 44.351 +13 05 37.10 V V00
2024-01-16 06:09:48 C 05 08 44.128 +13 05 37.64 V V00
2024-01-16 06:17:43 C 05 08 43.890 +13 05 38.11 V V00
2025-02-19 06:58:52 C 09 53 56.911 +05 13 04.91 V G96
2025-02-19 07:06:20 C 09 53 56.602 +05 13 07.28 V G96
2025-02-19 07:13:48 C 09 53 56.281 +05 13 09.37 V G96
2025-02-19 07:21:15 C 09 53 55.900 +05 13 11.96 V G96
2025-02-22 09:29:04 C 09 50 32.052 +05 36 33.64 X F51
2025-02-22 10:04:34 C 09 50 30.375 +05 36 44.81 X F51