494689 (2004 JR)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6456272915 ± 3.15e-07
Semi-major axis (a)1.8908407130 AU ± 4.10e-09
Inclination (i)45.46633200° ± 2.70e-05
Long. of Asc. Node (Ω)209.49907107° ± 1.53e-05
Arg. of Perihelion (ω)139.59440142° ± 3.50e-05
Mean Anomaly (M)71.51578088° ± 1.52e-05
Mean Motion (n)0.3790791158°/day ± 1.23e-09
Perihelion dist (q)0.67006234 AU ± 5.97e-07
Aphelion dist (Q)3.11161908 AU ± 5.97e-07
Orbital Period2.60005430 yr ± 8.46e-09
Physical Parameters
H (abs. magnitude)18.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.393″
Uncertainty0
Orbit TypeApollo
MOID0.239218 AU
Observations Used124
Oppositions11
Arc Total2004-2022
First Observation Used2004-05-09
Last Observation Used2022-05-27
Observations (130)
Date Type RA Dec Mag Band Observatory
2004-05-24 10:33:05 C 17 29 30.87 +64 24 19.6 c 926
2004-05-24 10:34:53 C 17 29 30.85 +64 24 25.7 c 926
2004-06-01 06:53:22 C 17 31 58.41 +74 58 00.9 c 926
2004-06-01 06:54:46 C 17 31 58.20 +74 58 04.8 c 926
2004-06-01 06:56:02 C 17 31 58.10 +74 58 08.8 c 926
2004-06-06 06:55:47 C 17 34 39.68 +80 58 36.6 c 926
2004-06-06 06:57:50 C 17 34 39.61 +80 58 43.2 c 926
2004-06-06 06:59:55 C 17 34 39.60 +80 58 49.2 c 926
2004-06-12 04:45:31 C 17 50 33.92 +87 27 30.5 c 926
2004-06-12 04:47:59 C 17 50 34.37 +87 27 37.4 c 926
2004-06-12 04:50:30 C 17 50 35.46 +87 27 44.4 c 926
2009-04-18 05:40:05 C 13 57 29.25 -11 28 32.4 o 691
2009-04-18 06:05:30 C 13 57 27.39 -11 28 03.1 o 691
2009-04-18 06:31:01 C 13 57 25.53 -11 27 32.1 o 691
2009-04-20 07:31:08 C 13 53 56.86 -10 28 49.8 r G96
2009-04-20 07:32:23 C 13 53 56.79 -10 28 48.7 r G96
2009-04-20 07:33:38 C 13 53 56.68 -10 28 46.7 r G96
2009-04-20 09:10:15 C 13 53 49.58 -10 26 48.9 v H01
2009-04-20 09:15:57 C 13 53 49.16 -10 26 42.1 r G96
2009-04-20 09:16:56 C 13 53 49.09 -10 26 40.8 r G96
2009-04-20 09:17:54 C 13 53 49.02 -10 26 39.6 r G96
2009-04-20 09:18:54 C 13 53 48.94 -10 26 38.7 r G96
2009-04-20 09:19:49 C 13 53 48.87 -10 26 37.2 v H01
2009-04-20 09:29:21 C 13 53 48.18 -10 26 25.6 v H01
2009-04-20 09:37:24 C 13 53 47.58 -10 26 15.8 v H01
2009-04-21 06:30:46 C 13 52 17.58 -10 00 42.4 r G96
2009-04-21 06:41:32 C 13 52 16.78 -10 00 28.9 r G96
2009-04-21 06:52:19 C 13 52 15.99 -10 00 15.3 r G96
2009-04-21 07:03:04 C 13 52 15.20 -10 00 02.4 r G96
2009-05-26 04:10:10 C 12 56 46.83 +07 15 30.0 o 291
2009-05-26 04:17:37 C 12 56 46.46 +07 15 36.6 o 291
2017-03-25 10:33:42 C 16 45 31.56 -06 41 23.2 o 691
2017-03-25 10:50:35 C 16 45 32.37 -06 41 01.4 o 691
2017-03-25 11:07:26 C 16 45 33.18 -06 40 39.5 o 691
2017-04-09 13:55:05 C 17 02 35.818 +03 25 52.48 L F51
2017-04-09 14:12:09 C 17 02 36.501 +03 26 28.37 L F51
2017-04-09 14:29:15 C 17 02 37.210 +03 27 04.59 L F51
2017-05-04 10:33:27 C 17 24 15.79 +33 16 42.6 q I52
2017-05-04 10:38:42 C 17 24 15.94 +33 17 02.4 q I52
2017-05-04 10:43:06 C 17 24 16.06 +33 17 19.0 q I52
2017-05-04 10:48:27 C 17 24 16.19 +33 17 39.5 q I52
2017-05-07 09:46:16 C 17 26 17.10 +37 52 26.2 q G96
2017-05-07 10:01:31 C 17 26 17.40 +37 53 26.3 q G96
2017-05-07 10:07:33 C 17 26 17.55 +37 53 49.8 q G96
2017-05-19 13:15:54 C 17 33 45.058 +57 00 31.05 L F51
2017-05-19 13:34:09 C 17 33 45.364 +57 01 40.53 L F51
2017-05-19 13:52:24 C 17 33 45.700 +57 02 49.59 L F51
2017-05-19 14:10:45 C 17 33 46.017 +57 03 59.43 L F51
2017-05-21 11:46:11 C 17 34 55.757 +59 56 19.37 L F51
2017-05-21 12:23:39 C 17 34 56.400 +59 58 39.25 L F51