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
2012-09-01 09:30:54 C 04 05 20.02 +07 07 43.1 u 807
2012-09-01 09:34:09 C 04 05 20.23 +07 07 42.6 u 807
2012-09-14 10:15:48 C 04 22 21.46 +05 50 24.1 20.5 c 704
2012-09-14 10:36:01 C 04 22 22.09 +05 50 19.0 19.9 c 704
2012-09-14 10:56:15 C 04 22 22.83 +05 50 14.7 20.2 c 704
2012-09-14 11:16:28 C 04 22 23.60 +05 50 07.2 19.9 c 704
2012-09-23 09:15:14 C 04 28 00.65 +04 50 16.8 u H21
2012-09-23 09:19:41 C 04 28 00.70 +04 50 15.7 u H21
2012-09-23 09:24:08 C 04 28 00.76 +04 50 14.4 u H21
2012-10-04 09:04:23 C 04 28 11.51 +03 36 12.8 u 807
2012-10-04 09:10:22 C 04 28 11.42 +03 36 11.2 u 807
2012-10-04 09:16:28 C 04 28 11.32 +03 36 09.5 u 807
2012-10-04 09:23:18 C 04 28 11.20 +03 36 07.5 u 807
2012-10-06 09:44:00 C 04 27 26.09 +03 22 49.8 v H21
2012-10-06 09:48:49 C 04 27 26.03 +03 22 48.4 v H21
2012-10-06 09:53:54 C 04 27 25.90 +03 22 47.2 v H21
2012-10-06 09:58:52 C 04 27 25.77 +03 22 46.1 v H21
2012-10-08 09:49:31 C 04 26 27.09 +03 10 11.9 u H21
2012-10-08 09:54:46 C 04 26 26.96 +03 10 10.5 u H21
2012-10-08 09:59:49 C 04 26 26.85 +03 10 09.1 u H21
2012-10-08 10:04:40 C 04 26 26.72 +03 10 07.9 u H21
2012-10-11 07:59:29 C 04 24 37.44 +02 52 32.8 r 703
2012-10-11 08:33:51 C 04 24 36.32 +02 52 24.2 r 703
2012-10-13 13:09:22 c 04 22 55.046 +02 39 55.55 L F51
2012-10-13 13:45:40 c 04 22 53.672 +02 39 47.23 L F51
2012-10-13 14:02:30 c 04 22 53.029 +02 39 43.17 L F51
2012-10-20 12:58:06 c 04 16 00.219 +02 05 15.18 L F51
2012-10-20 13:18:52 c 04 15 59.151 +02 05 11.86 L F51
2012-10-20 13:39:41 c 04 15 58.087 +02 05 08.13 L F51
2012-10-20 14:00:28 c 04 15 57.030 +02 05 04.44 L F51
2012-10-23 05:38:23 C 04 12 48.97 +01 54 28.9 19.2 c 704
2012-10-23 05:58:10 C 04 12 47.82 +01 54 26.4 19.1 c 704
2012-10-23 06:17:57 C 04 12 46.82 +01 54 23.2 19.4 c 704
2012-10-23 06:37:39 C 04 12 45.78 +01 54 20.0 18.6 c 704
2012-10-25 08:24:15 C 04 10 07.76 +01 47 12.4 u H21
2012-10-25 08:29:34 C 04 10 07.45 +01 47 11.9 u H21
2012-10-25 08:34:53 C 04 10 07.15 +01 47 10.9 u H21
2012-10-25 08:40:11 C 04 10 06.85 +01 47 10.5 u H21
2012-10-25 08:45:15 C 04 10 06.56 +01 47 09.7 u H21
2012-11-01 08:15:13 C 04 00 31.50 +01 31 16.7 u H21
2012-11-01 08:20:31 C 04 00 31.17 +01 31 16.5 u H21
2012-11-01 08:31:27 C 04 00 30.46 +01 31 15.9 u H21
2012-11-04 08:16:08 C 03 56 11.68 +01 28 30.0 r 703
2012-11-04 08:27:36 C 03 56 10.96 +01 28 30.7 r 703
2012-11-04 08:39:03 C 03 56 10.21 +01 28 30.1 r 703
2012-11-04 08:50:38 C 03 56 09.45 +01 28 30.3 r 703
2012-11-07 02:24:35 C 03 52 10.59 +01 28 09.6 c A24
2012-11-07 02:26:39 C 03 52 10.49 +01 28 09.9 c A24
2012-11-07 02:47:10 C 03 52 09.22 +01 28 09.9 c A24
2012-11-07 03:30:46 C 03 52 06.41 +01 28 10.1 c A24