IAA RAS IAA Minor Planet Database

159857 (2004 LJ1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5935140065 ± 3.88e-09
Semi-major axis (a)2.2624117045 AU ± 3.77e-10
Inclination (i)23.15067255° ± 1.24e-06
Long. of Asc. Node (Ω)235.52726332° ± 2.62e-06
Arg. of Perihelion (ω)140.01550169° ± 2.79e-06
Mean Anomaly (M)75.20361457° ± 5.26e-07
Mean Motion (n)0.2896375184°/day ± 7.24e-11
Perihelion dist (q)0.91963867 AU ± 8.79e-09
Aphelion dist (Q)3.60518474 AU ± 8.81e-09
Orbital Period3.40296481 yr ± 8.51e-10
Physical Parameters
H (abs. magnitude)15.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.249″
Uncertainty0
Orbit TypeApollo
MOID0.014530 AU
Observations Used2906
Gaia Obs Used20
Oppositions14
Arc Total1995-2025
First Observation Used1995-02-03
Last Observation Used2025-12-21
Observations (3112)
Date Type RA Dec Mag Band Observatory
2021-08-25 19:08:26 C 16 37 40.50 +40 24 33.4 – V 089
2021-08-25 19:12:14 C 16 37 40.30 +40 24 35.7 – V 089
2021-08-25 19:16:02 C 16 37 40.10 +40 24 37.7 – V 089
2021-08-25 19:19:50 C 16 37 39.92 +40 24 39.9 – V 089
2021-08-25 19:23:38 C 16 37 39.75 +40 24 42.0 – V 089
2021-08-25 19:27:26 C 16 37 39.55 +40 24 44.5 – V 089
2021-08-25 19:31:14 C 16 37 39.31 +40 24 46.6 – V 089
2021-08-26 05:33:12 C 16 37 11.34 +40 30 53.2 – V 703
2021-08-26 05:40:53 C 16 37 10.95 +40 30 57.7 – V 703
2021-08-26 05:48:33 C 16 37 10.56 +40 31 02.1 – V 703
2021-08-26 05:56:14 C 16 37 10.21 +40 31 06.6 – V 703
2021-08-26 06:43:10 C 16 37 08.52 +40 31 42.5 – V T05
2021-08-26 06:47:48 C 16 37 08.28 +40 31 45.2 – V T05
2021-08-26 06:56:26 C 16 37 07.83 +40 31 50.2 – V T05
2021-08-26 07:14:17 C 16 37 06.92 +40 32 00.5 – V T05
2021-08-26 19:37:35 C 16 36 32.91 +40 39 22.6 – V C40
2021-08-26 19:42:10 C 16 36 32.67 +40 39 25.2 – V C40
2021-08-26 19:46:45 C 16 36 32.45 +40 39 27.8 – V C40
2021-08-26 19:54:26 C 16 36 32.09 +40 39 32.2 – V C40
2021-08-26 19:59:00 C 16 36 31.86 +40 39 34.8 – V C40
2021-08-26 20:06:40 C 16 36 31.48 +40 39 39.2 – V C40
2021-08-26 20:09:43 C 16 36 31.33 +40 39 41.1 – V C40
2021-08-26 20:30:31 C 16 36 30.35 +40 39 52.9 – V C40
2021-08-26 20:43:30 C 16 36 29.76 +40 40 00.3 – V C40
2021-08-26 20:52:41 C 16 36 29.31 +40 40 05.7 – V C40
2021-08-26 20:54:14 C 16 36 29.24 +40 40 06.5 – V C40
2021-08-26 21:09:32 C 16 36 28.54 +40 40 15.1 – V C40
2021-08-26 21:21:48 C 16 36 27.99 +40 40 22.1 – V C40
2021-08-26 21:46:30 C 16 36 26.87 +40 40 36.3 – V C40
2021-08-27 04:12:00 C 16 36 09.65 +40 44 40.8 – V G96
2021-08-27 04:20:07 C 16 36 09.24 +40 44 45.5 – V G96
2021-08-27 04:28:17 C 16 36 08.84 +40 44 50.4 – V G96
2021-08-27 04:36:25 C 16 36 08.45 +40 44 55.1 – V G96
2021-08-27 04:58:59 C 16 36 07.32 +40 45 08.2 – V 703
2021-08-27 05:06:41 C 16 36 06.94 +40 45 12.5 – V 703
2021-08-27 05:14:23 C 16 36 06.57 +40 45 16.9 – V 703
2021-08-27 05:22:05 C 16 36 06.18 +40 45 21.3 – V 703
2021-08-27 19:55:23 C 16 35 26.94 +40 54 10.3 – V 089
2021-08-27 19:59:11 C 16 35 26.77 +40 54 12.7 – V 089
2021-08-27 20:02:59 C 16 35 26.61 +40 54 15.1 – V 089
2021-08-27 20:06:47 C 16 35 26.38 +40 54 17.0 – V 089
2021-08-27 20:10:35 C 16 35 26.23 +40 54 19.2 – V 089
2021-08-27 20:14:23 C 16 35 26.04 +40 54 21.5 – V 089
2021-08-27 20:18:11 C 16 35 25.86 +40 54 23.8 – V 089
2021-08-27 20:21:59 C 16 35 25.68 +40 54 25.8 – V 089
2021-08-27 20:25:47 C 16 35 25.50 +40 54 28.1 – V 089
2021-08-27 20:29:35 C 16 35 25.36 +40 54 30.3 – V 089
2021-08-28 06:07:35 C 16 34 59.77 +41 00 35.8 – V T08
2021-08-28 06:12:54 C 16 34 59.51 +41 00 39.1 – V T08
2021-08-28 06:22:14 C 16 34 59.03 +41 00 44.5 – V T08