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
2019-03-18 12:27:19 C 14 50 27.76 +23 53 42.9 o 695
2019-03-27 06:29:12 C 14 38 49.09 +27 13 33.2 u H21
2019-03-27 06:43:33 C 14 38 47.96 +27 13 46.7 u H21
2019-03-27 06:55:14 C 14 38 47.06 +27 13 57.3 u H21
2019-03-29 11:07:12 C 14 34 48.95 +28 00 58.8 o 291
2019-03-29 11:16:54 C 14 34 48.15 +28 01 06.7 o 291
2019-03-29 11:26:36 C 14 34 47.35 +28 01 15.1 o 291
2019-04-01 06:31:51 C 14 29 06.41 +28 58 31.8 u H21
2019-04-01 06:39:48 C 14 29 05.65 +28 58 38.5 u H21
2019-04-03 05:12:12 C 14 24 45.48 +29 35 50.2 u H21
2019-04-03 05:21:16 C 14 24 44.55 +29 35 57.6 u H21
2019-04-10 04:09:23 C 14 06 52.41 +31 26 02.3 u H21
2019-04-10 04:25:11 C 14 06 50.51 +31 26 10.9 u H21
2019-04-10 04:43:02 C 14 06 48.34 +31 26 20.4 u H21
2019-04-21 06:25:12 C 13 33 50.62 +32 39 58.3 u H21
2019-04-21 06:44:49 C 13 33 48.00 +32 39 58.0 u H21
2019-04-21 07:12:52 C 13 33 44.28 +32 39 57.9 u H21
2019-04-24 10:13:22 C 13 24 18.31 +32 34 44.8 o 291
2019-04-24 10:28:24 C 13 24 16.36 +32 34 42.0 o 291
2019-04-24 10:43:29 C 13 24 14.42 +32 34 39.1 o 291
2019-05-06 02:53:55 C 12 52 39.95 +30 39 12.2 u H21
2019-05-06 03:07:40 C 12 52 38.55 +30 39 03.1 u H21
2019-05-06 03:17:55 C 12 52 37.51 +30 38 56.5 u H21
2019-05-25 05:23:23 C 12 22 12.79 +23 46 06.2 o 291
2019-05-25 05:37:56 C 12 22 12.19 +23 45 48.9 o 291
2019-05-25 05:52:28 C 12 22 11.59 +23 45 32.5 o 291
2019-06-23 04:06:53 C 12 20 11.68 +10 14 41.3 o 695
2019-06-23 04:17:55 C 12 20 11.88 +10 14 27.7 o 695
2020-01-05 11:27:05 C 12 51 20.06 +20 51 28.9 V V06
2020-02-03 09:07:08 C 13 00 22.76 +37 13 39.7 u H21
2020-02-03 09:21:45 C 13 00 22.06 +37 14 02.0 u H21
2020-02-03 09:39:01 C 13 00 21.23 +37 14 28.7 u H21
2021-01-02 02:15:45 C 23 20 52.71 -00 37 22.0 V V06
2021-01-02 02:20:52 C 23 20 54.12 -00 36 56.3 V V06
2021-01-02 02:25:59 C 23 20 55.55 -00 36 30.8 V V06
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)