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
2018-04-16 13:48:44 C 17 42 51.580 +03 39 36.09 V F51
2018-04-16 14:06:15 C 17 42 52.531 +03 39 42.44 V F51
2018-04-16 14:23:45 C 17 42 53.463 +03 39 48.43 V F51
2018-04-16 14:41:16 C 17 42 54.409 +03 39 54.20 V F51
2018-06-04 13:40:06 C 19 03 30.22 +08 52 01.5 U T08
2018-06-04 13:44:45 C 19 03 31.04 +08 52 00.5 U T08
2018-06-04 14:06:29 C 19 03 34.91 +08 51 56.3 U T08
2018-06-04 14:14:34 C 19 03 36.38 +08 51 54.2 U T08
2018-06-04 17:10:40 C 19 04 16.22 +08 50 58.7 r P93
2018-06-04 17:14:15 C 19 04 16.87 +08 50 58.3 r P93
2018-06-04 17:17:48 C 19 04 17.47 +08 50 58.0 r P93
2018-06-04 17:21:21 C 19 04 18.12 +08 50 57.5 r P93
2018-06-04 21:52:24 C 19 05 20.33 +08 49 45.3 U L01
2018-06-04 21:52:24 C 19 05 20.26 +08 49 37.8 q A17
2018-06-04 21:53:34 C 19 05 20.59 +08 49 44.3 U L01
2018-06-04 21:54:44 C 19 05 20.80 +08 49 44.4 U L01
2018-06-04 21:55:28 C 19 05 20.70 +08 49 39.5 q 246
2018-06-04 21:56:01 C 19 05 20.84 +08 49 39.2 q 246
2018-06-04 21:56:32 C 19 05 20.93 +08 49 39.3 q 246
2018-06-04 21:57:34 C 19 05 21.15 +08 49 38.7 q 246
2018-06-04 21:58:20 C 19 05 21.32 +08 49 39.1 q 246
2018-06-04 21:58:46 C 19 05 21.40 +08 49 38.8 q 246
2018-06-04 21:59:17 C 19 05 21.47 +08 49 38.7 q 246
2018-06-04 22:00:12 C 19 05 21.67 +08 49 38.0 q 246
2018-06-04 22:00:52 C 19 05 21.79 +08 49 38.6 q 246
2018-06-04 22:01:51 C 19 05 22.03 +08 49 38.8 q 246
2018-06-04 22:02:07 C 19 05 22.07 +08 49 38.2 q 246
2018-06-04 22:02:35 C 19 05 22.38 +08 49 36.5 q A17
2018-06-04 22:15:04 C 19 05 24.95 +08 49 34.3 q A17
2018-06-04 22:26:24 C 19 05 27.26 +08 49 32.4 q A17
2018-06-04 22:46:37 C 19 05 31.33 +08 49 36.0 U L01
2018-06-04 22:50:44 C 19 05 32.15 +08 49 35.1 U L01
2018-06-04 22:51:55 C 19 05 32.42 +08 49 35.1 U L01
2018-06-05 00:22:04 C 19 05 50.82 +08 49 17.8 V K38
2018-06-05 00:33:18 C 19 05 53.07 +08 49 15.8 V K38
2018-06-05 00:44:33 C 19 05 55.32 +08 49 13.5 V K38
2018-06-05 01:04:54 C 19 06 02.27 +08 49 36.4 V G40
2018-06-05 01:06:16 C 19 06 02.54 +08 49 36.3 V G40
2018-06-05 01:10:10 C 19 06 03.31 +08 49 35.4 V G40
2018-06-05 01:11:36 C 19 06 03.60 +08 49 35.2 V G40
2018-06-05 01:23:37 C 19 06 06.09 +08 49 33.0 q J22
2018-06-05 01:27:45 C 19 06 06.91 +08 49 31.8 q J22
2018-06-05 01:31:48 C 19 06 07.72 +08 49 31.2 q J22
2018-06-05 03:20:57 C 19 06 32.30 +08 50 38.1 q Y00
2018-06-05 03:26:35 C 19 06 33.49 +08 50 38.2 q Y00
2018-06-05 03:32:14 C 19 06 34.57 +08 50 36.8 q Y00
2018-06-05 03:34:37 C 19 06 35.11 +08 50 34.5 r Y00
2018-06-05 04:07:23 C 19 06 41.56 +08 50 30.9 r Y00
2018-06-05 04:09:45 C 19 06 42.04 +08 50 30.1 r Y00
2018-06-05 04:12:57 C 19 06 42.61 +08 50 30.8 r Y00
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)