857380 (2012 JR17)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5789133826 ± 3.47e-08
Semi-major axis (a)2.6110982863 AU ± 6.67e-08
Inclination (i)7.85863005° ± 3.78e-06
Long. of Asc. Node (Ω)131.89003568° ± 3.65e-05
Arg. of Perihelion (ω)192.26849008° ± 3.52e-05
Mean Anomaly (M)57.73288145° ± 4.68e-05
Mean Motion (n)0.2336024787°/day ± 8.95e-09
Perihelion dist (q)1.09949855 AU ± 9.48e-08
Aphelion dist (Q)4.12269803 AU ± 1.39e-07
Orbital Period4.21924583 yr ± 1.62e-07
Physical Parameters
H (abs. magnitude)17.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.344″
Uncertainty0
Orbit TypeAmor
MOID0.087766 AU
Observations Used301
Oppositions10
Arc Total2012-2025
First Observation Used2012-04-17
Last Observation Used2025-11-17
Observations (310)
Date Type RA Dec Mag Band Observatory
2012-06-07 08:36:28 C 22 28 06.32 -00 46 22.5 t H21
2012-06-08 08:45:42 C 22 33 00.81 -00 29 37.1 u H21
2012-06-08 08:53:00 C 22 33 02.29 -00 29 31.8 u H21
2012-06-08 09:00:48 C 22 33 03.89 -00 29 26.5 u H21
2012-06-15 08:53:37 C 23 07 58.73 +01 25 45.3 u H21
2012-06-15 08:57:33 C 23 07 59.54 +01 25 47.6 u H21
2012-06-15 09:02:50 C 23 08 00.67 +01 25 51.5 u H21
2012-06-18 09:54:14 C 23 23 28.64 +02 14 09.2 r 703
2012-06-18 10:03:56 C 23 23 30.62 +02 14 15.1 r 703
2012-06-18 10:13:44 C 23 23 32.78 +02 14 22.0 r 703
2012-06-18 10:23:32 C 23 23 34.83 +02 14 27.7 r 703
2012-06-20 01:19:32 C 23 31 53.18 +02 39 30.9 u 160
2012-06-20 01:22:29 C 23 31 53.79 +02 39 32.9 u 160
2012-06-20 01:25:26 C 23 31 54.42 +02 39 34.6 u 160
2012-06-23 01:07:01 C 23 47 13.79 +03 24 13.2 u 160
2012-06-23 01:10:56 C 23 47 14.65 +03 24 16.0 u 160
2012-06-23 01:14:51 C 23 47 15.47 +03 24 18.2 u 160
2012-06-29 09:30:40 C 00 19 38.10 +04 50 51.9 u H36
2012-06-29 09:32:56 C 00 19 38.56 +04 50 53.2 u H36
2012-06-29 09:41:01 C 00 19 40.21 +04 50 57.8 u H36
2012-07-04 08:51:46 C 00 44 30.76 +05 49 19.7 u H21
2012-07-04 08:55:18 C 00 44 31.49 +05 49 21.7 u H21
2012-07-04 08:58:50 C 00 44 32.22 +05 49 23.5 u H21
2012-07-05 08:37:58 C 00 49 23.00 +06 00 13.7 u 807
2012-07-05 08:42:10 C 00 49 23.84 +06 00 15.5 u 807
2012-07-05 08:46:24 C 00 49 24.68 +06 00 17.2 u 807
2012-07-05 08:50:47 C 00 49 25.56 +06 00 19.3 u 807
2012-07-05 08:54:48 C 00 49 26.37 +06 00 21.1 u 807
2012-07-07 08:18:38 C 00 59 03.53 +06 19 57.5 u H21
2012-07-07 08:25:43 C 00 59 04.94 +06 20 00.7 u H21
2012-07-07 08:32:49 C 00 59 06.37 +06 20 03.4 u H21
2012-07-07 08:39:53 C 00 59 07.76 +06 20 06.7 u H21
2012-07-10 08:55:29 C 01 13 30.05 +06 47 35.5 t H21
2012-07-10 09:02:04 C 01 13 31.32 +06 47 38.0 t H21
2012-07-10 09:08:39 C 01 13 32.60 +06 47 40.4 t H21
2012-07-18 02:33:13 C 01 48 31.21 +07 42 01.6 u 160
2012-07-18 02:36:12 C 01 48 31.77 +07 42 03.0 u 160
2012-07-18 02:39:10 C 01 48 32.33 +07 42 03.7 u 160
2012-07-19 01:49:41 C 01 52 41.83 +07 47 15.8 o 160
2012-07-19 01:52:39 C 01 52 42.31 +07 47 16.7 o 160
2012-07-19 01:55:31 C 01 52 42.81 +07 47 18.1 o 160
2012-07-20 04:34:33 C 01 57 25.87 +07 52 54.7 t J04
2012-07-20 04:37:57 C 01 57 26.46 +07 52 55.5 t J04
2012-07-20 04:41:23 C 01 57 27.03 +07 52 56.3 t J04
2012-08-19 09:58:37 C 03 38 25.06 +08 03 22.3 u 807
2012-08-19 10:02:26 C 03 38 25.43 +08 03 21.8 u 807
2012-08-19 10:08:54 C 03 38 26.07 +08 03 21.0 u 807
2012-08-19 10:13:35 C 03 38 26.53 +08 03 20.3 u 807
2012-08-19 10:19:28 C 03 38 27.11 +08 03 19.6 u 807
2012-09-01 09:09:08 C 04 05 18.56 +07 07 47.9 u 807