285339 (1999 JR6)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6754376059 ± 6.96e-08
Semi-major axis (a)1.3665474343 AU ± 3.02e-09
Inclination (i)20.31762708° ± 9.80e-06
Long. of Asc. Node (Ω)52.60230339° ± 1.00e-05
Arg. of Perihelion (ω)27.30439881° ± 1.10e-05
Mean Anomaly (M)301.08685881° ± 9.46e-06
Mean Motion (n)0.6169858578°/day ± 2.05e-09
Perihelion dist (q)0.44352991 AU ± 9.51e-08
Aphelion dist (Q)2.28956496 AU ± 9.53e-08
Orbital Period1.59748602 yr ± 5.30e-09
Physical Parameters
H (abs. magnitude)18.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.355″
Uncertainty0
Orbit TypeApollo
MOID0.221169 AU
Observations Used261
Oppositions9
Arc Total1999-2023
First Observation Used1999-05-10
Last Observation Used2023-06-13
Observations (308)
Date Type RA Dec Mag Band Observatory
1999-05-10 07:01:17 C 15 12 21.12 -14 55 51.6 19.0 a 704
1999-05-10 07:18:55 C 15 12 18.79 -14 55 53.5 19.2 a 704
1999-05-10 07:36:27 C 15 12 16.47 -14 55 55.5 19.0 a 704
1999-05-10 07:54:00 C 15 12 14.30 -14 55 55.1 19.0 a 704
1999-05-12 14:40:45 C 15 05 30.08 -15 00 36.8 426
1999-05-12 14:46:00 C 15 05 29.40 -15 00 37.1 426
1999-05-12 14:51:57 C 15 05 28.70 -15 00 37.9 426
1999-05-14 06:43:26 C 15 00 45.17 -15 03 59.2 z 684
1999-05-14 06:52:58 C 15 00 44.09 -15 04 00.0 z 684
1999-05-14 07:33:48 C 15 00 39.06 -15 04 03.3 19.4 a 704
1999-05-14 07:55:31 C 15 00 36.64 -15 04 04.7 19.5 a 704
1999-05-14 08:17:12 C 15 00 33.94 -15 04 02.8 19.7 a 704
1999-05-14 08:38:54 C 15 00 31.14 -15 04 06.9 19.3 a 704
1999-05-14 22:59:26 C 14 58 52.26 -15 05 12.5 557
1999-05-14 23:02:49 C 14 58 51.82 -15 05 14.1 557
1999-05-14 23:06:10 C 14 58 51.44 -15 05 14.1 557
1999-05-15 12:37:01 C 14 57 19.29 -15 05 58.8 426
1999-05-15 12:47:14 C 14 57 18.18 -15 05 59.2 426
1999-05-15 12:52:12 C 14 57 17.57 -15 05 59.7 426
2007-04-20 08:34:49 C 16 22 57.05 -15 22 41.9 o 704
2007-04-20 08:47:52 C 16 22 55.54 -15 22 45.5 o 704
2007-04-20 09:00:57 C 16 22 53.94 -15 22 50.7 o 704
2007-05-07 14:20:02 C 15 30 07.39 -16 33 10.3 r D29
2007-05-07 14:47:55 C 15 30 03.78 -16 33 13.0 r D29
2007-05-07 15:13:16 C 15 30 00.46 -16 33 15.9 r D29
2007-05-07 15:36:22 C 15 29 57.44 -16 33 17.9 r D29
2007-05-09 22:20:20 C 15 23 02.37 -16 38 12.4 c 595
2007-05-09 22:32:16 C 15 23 00.81 -16 38 13.7 c 595
2007-05-09 22:42:57 C 15 22 59.39 -16 38 14.3 c 595
2007-05-10 08:04:30 C 15 21 49.24 -16 38 58.5 r G96
2007-05-10 08:10:16 C 15 21 48.49 -16 38 59.0 r G96
2007-05-10 08:13:50 C 15 21 48.06 -16 38 59.3 r G96
2007-05-10 08:19:39 C 15 21 47.30 -16 38 59.8 r G96
2007-05-10 08:23:13 C 15 21 46.83 -16 39 01.4 r G96
2007-05-10 08:29:01 C 15 21 46.11 -16 39 00.5 r G96
2007-05-10 08:32:40 C 15 21 45.64 -16 39 00.7 r G96
2007-05-10 08:38:29 C 15 21 44.92 -16 39 01.1 r G96
2007-05-10 08:48:09 C 15 21 43.80 -16 39 02.4 c 673
2007-05-10 08:52:40 C 15 21 43.27 -16 39 02.4 c 673
2007-05-10 09:04:19 C 15 21 41.75 -16 39 03.4 c 673
2007-05-10 09:08:19 C 15 21 41.23 -16 39 03.6 c 673
2007-05-10 09:28:25 C 15 21 38.50 -16 39 04.7 r H36
2007-05-10 09:37:07 C 15 21 37.44 -16 39 04.9 r H36
2007-05-10 09:54:42 C 15 21 35.05 -16 39 06.5 r H36
2007-05-10 13:08:43 C 15 21 12.03 -16 39 19.7 o D35
2007-05-10 13:10:44 C 15 21 11.78 -16 39 19.6 o D35
2007-05-10 13:12:44 C 15 21 11.54 -16 39 20.2 o D35
2007-05-10 22:19:18 C 15 20 03.71 -16 40 04.7 o 511
2007-05-10 22:23:40 C 15 20 03.15 -16 40 04.8 o 511
2007-05-10 22:28:04 C 15 20 02.47 -16 40 05.2 o 511