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
2012-05-20 09:59:38 C 21 07 21.09 -05 31 49.7 o 291
2012-05-20 10:06:23 C 21 07 21.73 -05 31 32.8 o 807
2012-05-20 10:11:16 C 21 07 22.56 -05 31 29.8 o 807
2012-05-20 10:16:10 C 21 07 23.38 -05 31 26.8 o 807
2012-05-20 10:21:04 C 21 07 24.21 -05 31 23.9 o 807
2012-05-20 10:25:58 C 21 07 25.03 -05 31 20.8 o 807
2012-05-20 10:30:50 C 21 07 25.85 -05 31 17.9 o 807
2012-05-21 10:17:04 C 21 11 31.82 -05 16 42.4 o 807
2012-05-21 10:24:01 C 21 11 32.98 -05 16 38.1 o 807
2012-05-22 09:13:14 C 21 15 31.88 -05 02 42.3 u H21
2012-05-22 09:17:07 C 21 15 32.56 -05 02 39.8 u H21
2012-05-22 09:21:01 C 21 15 33.24 -05 02 37.6 u H21
2012-05-24 08:31:06 C 21 23 53.86 -04 32 49.2 u H21
2012-05-24 08:38:43 C 21 23 55.24 -04 32 44.7 u H21
2012-05-24 08:43:58 C 21 23 56.17 -04 32 41.7 u H21
2012-05-25 01:03:50 C 21 26 51.91 -04 22 15.2 r A17
2012-05-25 01:20:47 C 21 26 54.94 -04 22 04.4 r A17
2012-05-25 01:37:45 C 21 26 57.95 -04 21 53.4 r A17
2012-05-29 09:58:58 C 21 46 09.51 -03 13 20.2 r G96
2012-05-29 10:08:49 C 21 46 11.35 -03 13 13.6 r G96
2012-05-29 10:17:23 C 21 46 12.93 -03 13 07.8 r G96
2012-05-29 10:25:58 C 21 46 14.52 -03 13 02.2 r G96
2012-05-29 10:42:33 C 21 46 17.58 -03 12 51.4 r 703
2012-05-29 10:45:21 C 21 46 18.04 -03 12 49.0 r 703
2012-05-29 10:48:06 C 21 46 18.62 -03 12 47.2 r 703
2012-05-29 10:50:51 C 21 46 19.16 -03 12 45.8 r 703
2012-05-30 03:55:12 C 21 49 32.40 -03 01 17.0 o 954
2012-05-30 04:21:06 C 21 49 37.25 -03 01 00.6 o 954
2012-05-30 04:41:28 C 21 49 41.03 -03 00 46.4 o 954
2012-06-02 09:06:47 C 22 04 21.42 -02 08 54.7 u H21
2012-06-02 09:10:58 C 22 04 22.21 -02 08 52.1 u H21
2012-06-02 09:15:20 C 22 04 23.05 -02 08 49.7 u H21
2012-06-03 08:03:42 C 22 08 50.79 -01 53 09.5 u H21
2012-06-03 08:07:49 C 22 08 51.46 -01 52 49.9 o 807
2012-06-03 08:08:23 C 22 08 51.69 -01 53 06.3 u H21
2012-06-03 08:12:49 C 22 08 52.56 -01 53 03.6 u H21
2012-06-03 08:16:49 C 22 08 53.34 -01 53 00.8 u H21
2012-06-03 08:21:11 C 22 08 54.18 -01 52 57.5 u H21
2012-06-03 08:30:59 C 22 08 55.95 -01 52 33.7 o 807
2012-06-05 06:48:46 C 22 18 06.00 -01 20 36.3 o 807
2012-06-05 06:56:58 C 22 18 07.62 -01 20 30.8 o 807
2012-06-05 08:50:07 C 22 18 30.01 -01 19 30.2 u H21
2012-06-05 08:56:01 C 22 18 31.14 -01 19 25.7 u H21
2012-06-05 09:02:51 C 22 18 32.49 -01 19 20.9 u H21
2012-06-06 08:11:13 C 22 23 10.71 -01 03 18.9 u H21
2012-06-06 08:16:32 C 22 23 11.79 -01 03 15.2 u H21
2012-06-06 08:21:51 C 22 23 12.86 -01 03 11.5 u H21
2012-06-06 08:32:53 C 22 23 15.05 -01 03 03.9 u H21
2012-06-07 08:21:28 C 22 28 03.33 -00 46 32.7 t H21
2012-06-07 08:29:00 C 22 28 04.81 -00 46 28.0 t H21