154347 (2002 XK4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6918518125 ± 3.33e-08
Semi-major axis (a)1.8504053065 AU ± 2.03e-09
Inclination (i)17.74477953° ± 4.26e-06
Long. of Asc. Node (Ω)331.62760101° ± 8.84e-06
Arg. of Perihelion (ω)24.99540394° ± 9.24e-06
Mean Anomaly (M)71.05359427° ± 2.28e-06
Mean Motion (n)0.3915723147°/day ± 6.44e-10
Perihelion dist (q)0.57019904 AU ± 6.17e-08
Aphelion dist (Q)3.13061157 AU ± 6.18e-08
Orbital Period2.51709900 yr ± 4.14e-09
Physical Parameters
H (abs. magnitude)16.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.275″
Uncertainty0
Orbit TypeApollo
MOID0.270138 AU
Observations Used834
Oppositions17
Arc Total1998-2026
First Observation Used1998-02-22
Last Observation Used2026-01-11
Observations (905)
Date Type RA Dec Mag Band Observatory
2008-02-02 20:22:36 C 08 21 24.48 +37 17 48.3 c 127
2008-02-02 20:28:58 C 08 21 23.75 +37 17 44.3 c 127
2008-02-03 04:02:30 C 08 20 32.68 +37 12 57.8 r H53
2008-02-03 04:05:54 C 08 20 32.24 +37 12 56.1 r H53
2008-02-03 04:07:23 C 08 20 32.04 +37 12 55.5 r H53
2008-02-03 04:08:52 C 08 20 31.92 +37 12 54.2 r H53
2008-02-03 04:13:03 C 08 20 31.41 +37 12 51.5 r H53
2008-02-03 04:14:35 C 08 20 31.36 +37 12 50.4 r H53
2008-02-03 06:28:51 C 08 20 15.92 +37 11 25.6 17.0 c 704
2008-02-03 07:19:37 C 08 20 10.08 +37 10 52.9 17.7 c 704
2008-02-03 07:37:13 C 08 20 08.08 +37 10 41.1 17.5 c 704
2008-02-06 22:22:41 C 08 11 13.65 +36 14 25.7 c 127
2008-02-06 22:29:34 C 08 11 12.98 +36 14 21.3 c 127
2008-02-06 22:35:18 C 08 11 12.45 +36 14 17.4 c 127
2008-02-07 08:21:42 C 08 10 17.02 +36 07 54.9 r H45
2008-02-07 08:26:19 C 08 10 16.63 +36 07 51.6 r H45
2008-02-07 08:28:07 C 08 10 16.44 +36 07 50.5 r H45
2008-02-07 08:29:22 C 08 10 16.33 +36 07 49.6 r H45
2008-02-07 08:33:17 C 08 10 15.95 +36 07 47.1 r H45
2008-02-07 20:37:14 C 08 09 10.61 +35 59 53.5 r 235
2008-02-07 23:25:03 C 08 08 55.05 +35 58 04.5 r 130
2008-02-07 23:27:57 C 08 08 54.85 +35 58 01.7 r 130
2008-02-07 23:30:51 C 08 08 54.56 +35 57 59.6 r 130
2008-02-07 23:33:00 C 08 08 54.42 +35 57 58.9 r 130
2008-02-08 05:18:29 C 08 08 23.94 +35 54 16.0 17.7 c 704
2008-02-08 05:36:03 C 08 08 22.30 +35 54 03.9 17.6 c 704
2008-02-08 05:53:31 C 08 08 20.69 +35 53 52.6 17.9 c 704
2008-02-08 06:10:52 C 08 08 19.11 +35 53 41.3 17.9 c 704
2008-02-08 06:28:14 C 08 08 17.52 +35 53 29.8 17.9 c 704
2008-02-09 05:20:12 C 08 06 19.35 +35 38 32.9 w 699
2008-02-09 05:56:12 C 08 06 16.25 +35 38 09.8 w 699
2008-02-09 06:32:14 C 08 06 13.06 +35 37 46.8 w 699
2008-02-09 07:08:21 C 08 06 09.98 +35 37 22.3 w 699
2008-02-09 07:35:53 C 08 06 07.36 +35 37 03.4 r H45
2008-02-09 07:37:55 C 08 06 07.19 +35 37 01.9 r H45
2008-02-09 07:52:51 C 08 06 05.89 +35 36 52.1 r H45
2008-02-09 07:54:58 C 08 06 05.71 +35 36 50.5 r H45
2008-02-09 07:56:54 C 08 06 05.54 +35 36 49.3 r H45
2008-02-13 04:05:12 C 07 59 07.98 +34 37 05.4 r 703
2008-02-13 04:13:03 C 07 59 07.44 +34 37 00.9 r 703
2008-02-13 04:20:53 C 07 59 06.86 +34 36 55.5 r 703
2008-02-13 04:28:45 C 07 59 06.32 +34 36 50.5 r 703
2008-02-13 05:01:10 C 07 59 04.05 +34 36 30.2 18.1 c 704
2008-02-13 05:19:25 C 07 59 02.73 +34 36 18.3 18.5 c 704
2008-02-13 05:37:15 C 07 59 01.48 +34 36 07.0 18.7 c 704
2008-02-13 05:54:31 C 07 59 00.16 +34 35 55.4 19.0 c 704
2008-02-13 06:12:36 C 07 58 58.97 +34 35 44.2 18.2 c 704
2008-02-27 05:07:23 C 07 44 26.05 +31 15 17.4 r 703
2008-02-27 05:18:00 C 07 44 25.76 +31 15 11.5 r 703
2008-02-27 05:28:28 C 07 44 25.47 +31 15 04.4 r 703