2018 LK

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3165990464 ± 1.24e-07
Semi-major axis (a)1.0675777990 AU ± 3.36e-08
Inclination (i)13.93428617° ± 6.56e-06
Long. of Asc. Node (Ω)85.15354247° ± 2.10e-06
Arg. of Perihelion (ω)279.93278193° ± 6.97e-06
Mean Anomaly (M)202.58967308° ± 1.06e-04
Mean Motion (n)0.8935378946°/day ± 4.22e-08
Perihelion dist (q)0.72958369 AU ± 1.34e-07
Aphelion dist (Q)1.40557191 AU ± 1.40e-07
Orbital Period1.10306042 yr ± 5.21e-08
Physical Parameters
H (abs. magnitude)21.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.350″
Uncertainty0
Orbit TypeApollo
MOID0.000563 AU
Observations Used176
Radar Obs Used3
Oppositions1
Arc Total2018-2021
First Observation Used2018-04-16
Last Observation Used2021-01-02
Observations (185)
Date Type RA Dec Mag Band Observatory
2018-06-05 04:15:19 C 19 06 43.09 +08 50 29.2 r Y00
2018-06-05 04:20:52 C 19 06 44.25 +08 50 28.3 r Y00
2018-06-05 06:06:22 C 19 07 08.26 +08 50 20.8 U 807
2018-06-05 06:09:19 C 19 07 08.85 +08 50 20.2 U 807
2018-06-05 06:12:17 C 19 07 09.45 +08 50 19.6 U 807
2018-06-05 06:15:15 C 19 07 10.06 +08 50 19.0 U 807
2018-06-05 12:38:38 C 19 08 44.48 +08 48 46.3 q E08
2018-06-05 12:50:09 C 19 08 47.09 +08 48 44.1 q E08
2018-06-05 13:01:40 C 19 08 49.65 +08 48 42.1 q E08
2018-06-05 21:27:16 C 19 10 54.56 +08 44 02.5 t L04
2018-06-05 21:32:41 C 19 10 55.87 +08 44 01.2 t L04
2018-06-05 21:37:54 C 19 10 57.13 +08 43 59.9 t L04
2018-06-05 21:43:56 C 19 10 58.58 +08 43 58.4 t L04
2018-06-05 22:57:25 C 19 11 17.59 +08 43 29.2 q Z80
2018-06-05 23:06:09 C 19 11 19.66 +08 43 26.0 q Z80
2018-06-05 23:14:51 C 19 11 21.84 +08 43 25.0 q Z80
2018-06-05 23:43:09 C 19 11 28.83 +08 43 16.8 V J95
2018-06-05 23:44:37 C 19 11 29.20 +08 43 16.2 V J95
2018-06-05 23:46:22 C 19 11 29.62 +08 43 16.2 V J95
2018-06-06 00:17:04 C 19 11 36.60 +08 43 08.9 q C23
2018-06-06 00:18:38 C 19 11 37.01 +08 43 08.9 q C23
2018-06-06 00:20:13 C 19 11 37.36 +08 43 08.3 q C23
2018-06-06 00:21:48 C 19 11 37.75 +08 43 07.0 q C23
2018-06-06 00:23:23 C 19 11 38.14 +08 43 06.6 q C23
2018-06-06 00:24:58 C 19 11 38.50 +08 43 06.7 q C23
2018-06-06 00:26:32 C 19 11 38.86 +08 43 05.6 q C23
2018-06-06 00:28:07 C 19 11 39.30 +08 43 06.0 q C23
2018-06-06 00:29:42 C 19 11 39.66 +08 43 05.0 q C23
2018-06-06 02:20:05 C 19 12 08.90 +08 43 12.3 V G40
2018-06-06 02:25:09 C 19 12 10.08 +08 43 10.7 V G40
2018-06-06 02:35:07 C 19 12 12.42 +08 43 07.8 V G40
2018-06-08 01:53:28 C 19 27 35.01 +08 21 49.3 V G40
2018-06-08 02:12:46 C 19 27 41.96 +08 21 37.7 V G40
2018-06-08 02:32:09 C 19 27 43.42 +08 23 52.9 U K91
2018-06-08 02:33:04 C 19 27 49.25 +08 21 25.4 V G40
2018-06-08 02:38:58 C 19 27 45.93 +08 23 48.3 U K91
2018-06-08 02:46:58 C 19 27 48.81 +08 23 43.1 U K91
2018-06-08 02:59:25 C 19 27 53.36 +08 23 34.9 U K91
2018-06-08 03:06:14 C 19 27 55.88 +08 23 30.3 U K91
2018-06-08 03:13:02 C 19 27 58.39 +08 23 25.8 U K91
2018-06-08 03:19:50 C 19 28 00.89 +08 23 21.5 U K91
2018-06-08 03:25:31 C 19 28 02.99 +08 23 17.6 U K91
2018-06-09 22:18:08 C 19 49 39.52 +07 41 49.9 c A53
2018-06-09 22:24:46 C 19 49 43.49 +07 41 42.3 c A53
2018-06-09 22:31:36 C 19 49 47.57 +07 41 34.8 c A53
2018-06-09 22:40:43 C 19 49 53.06 +07 41 24.4 c A53
2018-06-10 00:59:28 C 19 51 16.60 +07 38 35.1 V 204
2018-06-10 01:02:48 C 19 51 18.61 +07 38 30.9 V 204
2018-06-10 01:06:43 C 19 51 20.98 +07 38 26.2 V 204
2018-06-10 01:10:21 C 19 51 23.17 +07 38 21.7 V 204
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-06-11 07:24:00 169209.3506 0.25 Hz 2380 -1 -1
2018-06-11 07:59:00 37751889.14 4 us 2380 -1 -1
2018-06-17 13:10:00 22994660 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)