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
2020-04-21 08:25:41 C 12 46 04.558 +07 01 41.50 U F51
2022-01-07 07:46:48 C 07 24 50.587 +17 36 25.51 U F52
2022-01-07 08:04:06 C 07 24 49.803 +17 36 28.11 U F52
2022-01-07 08:38:43 C 07 24 48.188 +17 36 33.58 U F52
2024-03-31 10:36:05 C 12 04 40.639 +08 56 06.24 X F51
2024-03-31 10:53:08 C 12 04 39.958 +08 56 10.76 X F51
2024-03-31 11:10:09 C 12 04 39.254 +08 56 15.30 X F51
2024-03-31 11:27:11 C 12 04 38.594 +08 56 20.66 X F51
2025-11-17 08:46:28 C 07 11 31.72 +15 04 17.1 V H21
2025-11-17 08:50:38 C 07 11 31.61 +15 04 17.0 V H21