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
2012-04-17 11:22:31 C 19 12 35.14 -11 40 12.0 c H06
2012-04-17 11:24:09 C 19 12 35.33 -11 40 11.4 c H06
2012-05-14 10:02:57 C 20 43 26.36 -06 56 04.7 r 703
2012-05-14 10:15:23 C 20 43 28.34 -06 55 59.3 r 703
2012-05-14 10:38:28 C 20 43 31.94 -06 55 46.6 r 703
2012-05-14 11:15:25 C 20 43 37.77 -06 55 25.5 r 703
2012-05-14 11:16:46 C 20 43 38.02 -06 55 23.5 r 703
2012-05-14 11:18:04 C 20 43 38.20 -06 55 23.3 r 703
2012-05-14 11:19:22 C 20 43 38.38 -06 55 22.8 r 703
2012-05-14 17:55:26 C 20 44 42.29 -06 51 28.2 r E12
2012-05-14 18:01:46 C 20 44 43.30 -06 51 24.8 r E12
2012-05-15 08:59:39 C 20 47 08.92 -06 43 09.8 u H36
2012-05-15 09:01:56 C 20 47 09.27 -06 43 08.1 u H36
2012-05-15 09:05:23 C 20 47 09.82 -06 43 05.8 u H36
2012-05-16 02:24:26 C 20 49 59.28 -06 33 14.7 u J95
2012-05-16 02:33:33 C 20 50 00.77 -06 33 09.9 u J95
2012-05-16 03:35:39 C 20 50 10.85 -06 32 32.7 t I89
2012-05-16 03:38:44 C 20 50 11.35 -06 32 30.1 t I89
2012-05-16 03:42:21 C 20 50 12.05 -06 32 28.3 t I89
2012-05-16 03:46:21 C 20 50 12.67 -06 32 26.1 t I89
2012-05-16 03:54:20 C 20 50 14.06 -06 32 21.6 t I89
2012-05-16 09:24:33 C 20 51 08.38 -06 29 09.7 c 854
2012-05-16 09:33:39 C 20 51 09.83 -06 29 04.7 c 854
2012-05-16 09:42:45 C 20 51 11.29 -06 28 58.3 c 854
2012-05-16 17:42:25 C 20 52 30.12 -06 24 07.8 u D90
2012-05-16 17:52:49 C 20 52 31.85 -06 24 03.3 u D90
2012-05-16 18:03:15 C 20 52 33.53 -06 23 57.0 u D90
2012-05-16 18:11:26 C 20 52 34.77 -06 23 52.7 t E10
2012-05-16 18:13:02 C 20 52 35.02 -06 23 51.8 t E10
2012-05-16 18:14:37 C 20 52 35.27 -06 23 50.9 t E10
2012-05-16 18:16:12 C 20 52 35.54 -06 23 49.9 t E10
2012-05-17 01:45:21 C 20 53 49.94 -06 19 43.9 t 204
2012-05-17 02:10:37 C 20 53 54.05 -06 19 28.8 t 204
2012-05-17 09:53:52 C 20 55 10.99 -06 14 56.2 r G96
2012-05-17 10:00:59 C 20 55 12.18 -06 14 52.0 r G96
2012-05-17 10:08:11 C 20 55 13.36 -06 14 47.8 r G96
2012-05-17 10:15:19 C 20 55 14.52 -06 14 43.7 r G96
2012-05-17 11:19:03 C 20 55 24.914 -06 14 06.31 t 695
2012-05-17 11:21:51 C 20 55 25.369 -06 14 04.45 t 695
2012-05-17 11:25:13 C 20 55 25.943 -06 14 02.60 t 695
2012-05-19 09:43:10 C 21 03 12.70 -05 46 32.0 o 291
2012-05-19 09:45:00 C 21 03 13.01 -05 46 30.9 o 291
2012-05-19 09:46:48 C 21 03 13.31 -05 46 29.9 o 291
2012-05-20 08:51:01 C 21 07 09.22 -05 32 33.2 u H21
2012-05-20 08:57:36 C 21 07 10.34 -05 32 28.9 u H21
2012-05-20 09:04:10 C 21 07 11.44 -05 32 24.9 u H21
2012-05-20 09:10:45 C 21 07 12.56 -05 32 20.9 u H21
2012-05-20 09:17:32 C 21 07 13.70 -05 32 17.0 u H21
2012-05-20 09:58:13 C 21 07 20.85 -05 31 50.6 o 291
2012-05-20 09:58:56 C 21 07 20.97 -05 31 50.2 o 291