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
2017-05-21 12:42:21 C 17 34 56.716 +59 59 48.83 L F51
2017-05-24 09:13:52 C 17 36 45.10 +64 10 57.3 q 703
2017-05-24 09:22:01 C 17 36 45.19 +64 11 26.2 q 703
2017-05-24 09:29:43 C 17 36 45.41 +64 11 54.9 q 703
2017-05-24 09:41:50 C 17 36 45.59 +64 12 37.6 q 703
2017-05-25 23:43:07 S 17 37 50.806 +66 27 13.43 L C51
2017-05-26 02:51:38 S 17 37 56.278 +66 38 11.11 L C51
2017-05-26 06:00:08 S 17 38 02.006 +66 49 12.14 L C51
2017-05-26 09:08:38 S 17 38 07.615 +67 00 09.04 L C51
2017-05-26 09:08:49 S 17 38 07.582 +67 00 09.36 L C51
2017-05-31 08:33:59 C 17 42 29.03 +73 39 01.2 q H45
2017-05-31 08:35:53 C 17 42 29.16 +73 39 07.6 q H45
2017-05-31 08:37:34 C 17 42 29.24 +73 39 12.7 q H45
2017-05-31 08:39:24 C 17 42 29.40 +73 39 17.2 q H45
2017-05-31 08:41:47 C 17 42 29.42 +73 39 26.3 q H45
2017-05-31 08:43:30 C 17 42 29.61 +73 39 32.7 q H45
2022-04-22 06:34:21 C 13 51 56.401 -09 24 57.60 V G96
2022-04-22 06:42:26 C 13 51 55.832 -09 24 47.56 V G96
2022-04-22 06:50:32 C 13 51 55.228 -09 24 37.55 V G96
2022-04-22 06:58:40 C 13 51 54.612 -09 24 27.00 V G96
2022-05-02 07:28:45 C 13 34 02.957 -04 12 02.09 V G96
2022-05-02 07:36:55 C 13 34 02.341 -04 11 50.71 V G96
2022-05-02 07:45:04 C 13 34 01.715 -04 11 40.27 V G96
2022-05-02 07:53:16 C 13 34 01.049 -04 11 29.15 V G96
2022-05-26 06:01:41 C 12 57 41.605 +07 28 21.86 V G96
2022-05-26 06:09:07 C 12 57 41.274 +07 28 29.28 V G96
2022-05-26 06:16:34 C 12 57 40.946 +07 28 37.45 V G96
2022-05-27 07:05:36 C 12 56 33.053 +07 53 39.42 U F52
2022-05-27 07:22:20 C 12 56 32.269 +07 53 56.17 U F52
2022-05-27 07:39:01 C 12 56 31.481 +07 54 12.60 U F52