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
2016-05-23 08:36:56 C 19 39 39.78 -02 03 16.6 u H21
2016-05-23 08:40:43 C 19 39 40.16 -02 03 13.0 u H21
2016-05-23 08:44:30 C 19 39 40.54 -02 03 09.2 u H21
2016-05-23 08:48:16 C 19 39 40.93 -02 03 05.7 u H21
2016-05-23 08:52:03 C 19 39 41.34 -02 03 02.1 u H21
2016-05-23 08:57:06 C 19 39 41.84 -02 02 57.1 u H21
2016-05-24 08:41:14 C 19 42 13.31 -01 39 41.9 u H21
2016-05-24 08:44:45 C 19 42 13.69 -01 39 38.6 u H21
2016-05-24 08:48:32 C 19 42 14.07 -01 39 35.2 u H21
2016-05-24 08:52:19 C 19 42 14.49 -01 39 31.9 u H21
2016-05-24 08:56:06 C 19 42 14.89 -01 39 28.3 u H21
2016-05-24 09:00:45 C 19 42 15.37 -01 39 23.9 u H21
2016-05-26 02:25:58 C 19 46 38.85 -00 58 34.1 q 160
2016-05-26 02:28:55 C 19 46 39.14 -00 58 31.5 q 160
2016-05-26 02:31:51 C 19 46 39.51 -00 58 28.1 q 160
2016-05-29 08:51:16 C 19 54 54.46 +00 19 28.2 u H21
2016-05-29 08:57:09 C 19 54 55.06 +00 19 34.1 u H21
2016-05-29 09:00:05 C 19 54 55.37 +00 19 37.0 u H21
2016-05-29 09:03:13 C 19 54 55.67 +00 19 40.2 u H21
2016-05-29 13:21:37 C 19 55 22.90 +00 24 04.5 L T05
2016-05-29 13:31:34 C 19 55 23.78 +00 24 13.5 L T05
2016-05-29 13:45:36 C 19 55 25.20 +00 24 28.0 L T05
2016-05-29 14:01:02 C 19 55 26.74 +00 24 42.2 L T05
2016-05-29 14:19:21 C 19 55 28.65 +00 25 01.5 L T05
2016-05-30 07:44:13 C 19 57 18.76 +00 42 22.0 R G45
2016-05-30 07:51:27 C 19 57 19.50 +00 42 30.1 R G45
2016-05-30 07:58:37 C 19 57 20.20 +00 42 36.5 R G45
2016-05-30 08:05:54 C 19 57 20.94 +00 42 42.9 R G45
2016-05-30 08:13:11 C 19 57 21.65 +00 42 51.1 R G45
2016-06-02 03:24:08 C 20 04 20.15 +01 50 04.9 o Z22
2016-06-02 03:35:11 C 20 04 21.23 +01 50 16.7 o Z22
2016-06-02 03:51:40 C 20 04 22.80 +01 50 32.7 o Z22
2016-06-02 03:53:43 C 20 04 22.99 +01 50 34.4 o Z22
2016-06-02 03:55:35 C 20 04 23.22 +01 50 36.7 o Z22
2016-06-04 12:40:45 C 20 10 13.214 +02 47 11.86 L F51
2016-06-04 12:56:19 C 20 10 14.715 +02 47 27.33 L F51
2016-06-04 13:11:54 C 20 10 16.217 +02 47 42.79 L F51
2016-06-04 13:27:30 C 20 10 17.719 +02 47 58.29 L F51
2016-06-05 07:42:29 C 20 12 10.04 +03 05 59.3 R G45
2016-06-05 07:43:42 C 20 12 10.17 +03 06 00.6 R G45
2016-06-05 07:50:00 C 20 12 10.80 +03 06 06.6 R G45
2016-06-05 07:51:07 C 20 12 10.87 +03 06 07.7 R G45
2016-06-05 07:58:20 C 20 12 11.63 +03 06 14.7 R G45
2016-06-05 07:58:26 C 20 12 11.60 +03 06 15.4 R G45
2016-06-05 08:05:29 C 20 12 12.28 +03 06 21.9 R G45
2016-06-05 08:05:35 C 20 12 12.30 +03 06 21.9 R G45
2016-06-05 08:12:40 C 20 12 12.99 +03 06 28.9 R G45
2016-06-05 08:12:46 C 20 12 12.99 +03 06 29.1 R G45
2016-06-07 01:15:58 C 20 16 22.25 +03 46 53.0 q 160
2016-06-07 01:18:14 C 20 16 22.46 +03 46 55.3 q 160