162181 (1999 LF6)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2805915348 ± 2.00e+00
Semi-major axis (a)1.4095997620 AU ± 3.00e+00
Inclination (i)18.94327964° ± 4.00e+00
Long. of Asc. Node (Ω)208.49351782° ± 5.00e+00
Arg. of Perihelion (ω)140.87505613° ± 6.00e+00
Mean Anomaly (M)237.23721707° ± 1.11e-05
Mean Motion (n)0.5889366064°/day ± 1.88e+00
Perihelion dist (q)1.01407800 AU ± 3.55e+00
Aphelion dist (Q)1.80512152 AU ± 4.77e+00
Orbital Period1.67356940 yr ± 5.34e+00
NGA Modelr2
A2-1.83588269e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.108″
Uncertainty0
Orbit TypeApollo
MOID0.062703 AU
Observations Used1775
Gaia Obs Used33
Oppositions15
Arc Total1979-2017
First Observation Used1979-12-20
Last Observation Used2025-01-11
Observations (1908)
Date Type RA Dec Mag Band Observatory
2024-05-06 19:53:27 C 14 50 00.972 -00 26 19.40 O18
2024-05-06 20:23:46 C 14 49 58.962 -00 25 34.51 O18
2024-05-06 22:49:48 C 14 49 50.170 -00 21 38.16 V M22
2024-05-06 22:54:23 C 14 49 49.836 -00 21 31.72 V M22
2024-05-06 23:02:20 C 14 49 49.289 -00 21 19.69 V M22
2024-05-06 23:50:45 C 14 49 46.018 -00 20 07.26 V M22
2024-05-08 09:29:04 C 14 47 36.658 +00 29 31.63 V 703
2024-05-08 09:35:41 C 14 47 36.258 +00 29 40.52 V 703
2024-05-08 09:38:59 C 14 47 36.013 +00 29 45.53 V 703
2024-05-09 05:37:13 C 14 46 19.346 +00 59 30.26 V W68
2024-05-09 05:41:47 C 14 46 19.063 +00 59 37.46 V W68
2024-05-09 05:49:14 C 14 46 18.542 +00 59 48.77 V W68
2024-05-09 06:33:47 C 14 46 15.535 +01 00 53.75 V W68
2024-05-10 09:46:45 C 14 44 30.516 +01 40 29.57 V 703
2024-05-10 09:50:05 C 14 44 30.257 +01 40 35.54 V 703
2024-05-10 09:53:25 C 14 44 29.972 +01 40 39.68 V 703
2024-05-10 09:56:45 C 14 44 29.818 +01 40 45.08 V 703
2024-05-12 09:48:08 C 14 41 25.796 +02 49 56.75 V 703
2024-05-12 09:51:26 C 14 41 25.609 +02 50 01.00 V 703
2024-05-12 09:54:44 C 14 41 25.321 +02 50 05.32 V 703
2024-05-12 09:58:02 C 14 41 25.062 +02 50 10.28 V 703
2024-05-12 19:30:15 C 14 40 48.813 +03 03 45.94 O18
2024-05-12 19:32:16 C 14 40 48.691 +03 03 48.59 O18
2024-05-17 03:34:45 C 14 34 19.092 +05 27 54.50 V W68
2024-05-17 03:39:22 C 14 34 18.823 +05 28 00.12 V W68
2024-05-17 03:49:32 C 14 34 18.110 +05 28 13.84 V W68
2024-05-17 04:19:17 C 14 34 16.174 +05 28 53.80 V W68
2024-05-18 03:54:02 C 14 32 51.342 +05 59 45.56 V G96
2024-05-18 04:00:08 C 14 32 50.950 +05 59 53.74 V G96
2024-05-18 04:06:16 C 14 32 50.564 +06 00 01.51 V G96
2024-05-18 04:12:23 C 14 32 50.176 +06 00 09.86 V G96
2024-05-18 06:33:24 C 14 32 41.212 +06 03 14.76 V 703
2024-05-18 06:36:39 C 14 32 40.974 +06 03 19.51 V 703
2024-05-18 06:39:54 C 14 32 40.679 +06 03 22.97 V 703
2024-05-18 06:43:09 C 14 32 40.574 +06 03 27.54 V 703
2024-05-18 19:45:50 C 14 31 54.398 +06 20 41.03 V M22
2024-05-18 19:50:28 C 14 31 54.108 +06 20 46.86 V M22
2024-05-18 19:57:46 C 14 31 53.645 +06 20 56.94 V M22
2024-05-18 20:05:10 C 14 31 53.251 +06 21 07.27 V M22
2024-05-26 06:40:29 C 14 22 08.536 +09 52 15.66 X F52
2024-05-26 06:57:24 C 14 22 07.638 +09 52 33.78 X F52
2024-05-26 07:14:22 C 14 22 06.735 +09 52 51.99 X F52
2024-05-30 08:36:08 C 14 17 39.840 +11 30 11.05 V 703
2024-05-30 08:42:52 C 14 17 39.440 +11 30 18.18 V 703
2024-05-30 08:46:14 C 14 17 39.343 +11 30 20.99 V 703
2024-06-01 08:41:27 C 14 15 45.269 +12 13 29.24 V T08
2024-06-01 08:46:18 C 14 15 45.050 +12 13 34.36 V T08
2024-06-01 08:55:09 C 14 15 44.693 +12 13 40.73 V T08
2024-06-01 09:09:21 C 14 15 44.076 +12 13 53.29 V T08
2024-06-02 02:40:37 C 14 15 05.321 +12 29 01.50 V W68
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2004-10-18 01:08:00 70782890.01 2 us 2380 -1 -1
2004-10-21 03:11:00 73032657.4 1.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)