549459 (2011 JX1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7392433591 ± 6.46e-08
Semi-major axis (a)2.0871503419 AU ± 5.55e-09
Inclination (i)23.91268931° ± 1.75e-05
Long. of Asc. Node (Ω)130.60252918° ± 2.18e-05
Arg. of Perihelion (ω)221.88770026° ± 2.00e-05
Mean Anomaly (M)281.33806303° ± 5.85e-06
Mean Motion (n)0.3268749774°/day ± 1.30e-09
Perihelion dist (q)0.54423831 AU ± 1.35e-07
Aphelion dist (Q)3.63006237 AU ± 1.35e-07
Orbital Period3.01530050 yr ± 1.20e-08
Physical Parameters
H (abs. magnitude)17.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.331″
Uncertainty0
Orbit TypeApollo
MOID0.277639 AU
Observations Used118
Oppositions9
Arc Total2011-2024
First Observation Used2011-05-02
Last Observation Used2024-02-12
Observations (126)
Date Type RA Dec Mag Band Observatory
2021-02-12 08:20:00 C 09 43 11.371 +21 57 33.83 U F51
2021-02-12 08:20:00 C 09 43 11.371 +21 57 33.85 U F51
2021-02-12 08:37:36 C 09 43 10.236 +21 57 42.83 U F51
2021-02-12 08:55:13 C 09 43 09.108 +21 57 51.65 U F51
2021-02-12 09:12:49 C 09 43 07.981 +21 58 00.49 U F51
2021-03-07 02:14:50 C 09 13 45.64 +25 20 40.7 u H21
2021-03-07 02:31:12 C 09 13 44.97 +25 20 44.7 u H21
2021-03-07 02:41:41 C 09 13 44.56 +25 20 48.2 u H21
2023-04-19 20:06:13 C 18 22 24.93 +20 08 13.7 V N89
2023-04-19 20:11:54 C 18 22 25.52 +20 08 20.0 V N89
2023-04-19 20:17:36 C 18 22 26.16 +20 08 27.6 V N89
2023-05-22 11:59:26 C 20 50 38.599 +42 47 50.10 V T05
2023-05-22 12:29:59 C 20 50 50.309 +42 48 53.50 V T05
2023-05-22 12:34:32 C 20 50 52.022 +42 49 02.78 V T05
2023-05-22 12:57:31 C 20 51 00.770 +42 49 50.84 V T05
2024-01-20 10:50:08 C 10 13 18.906 +16 23 41.26 X F52
2024-01-20 11:07:59 C 10 13 17.865 +16 23 52.47 X F52
2024-01-20 11:25:55 C 10 13 16.866 +16 24 03.45 X F52
2024-01-20 11:43:53 C 10 13 15.814 +16 24 14.79 X F52
2024-02-01 12:53:42 C 09 55 44.329 +19 22 50.08 X F52
2024-02-01 13:10:40 C 09 55 43.210 +19 23 00.28 X F52
2024-02-01 13:27:44 C 09 55 42.098 +19 23 10.49 X F52
2024-02-01 13:44:50 C 09 55 40.969 +19 23 20.52 X F52
2024-02-12 12:30:20 C 09 38 40.649 +21 50 00.45 X F52
2024-02-12 13:03:55 C 09 38 38.484 +21 50 17.14 X F52
2024-02-12 13:20:40 C 09 38 37.365 +21 50 25.67 X F52