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
2014-06-15 03:43:34 C 15 21 31.91 +24 18 59.6 u H21
2014-06-18 07:10:34 C 15 18 14.68 +25 18 01.1 q 703
2014-06-18 07:44:31 C 15 18 13.21 +25 18 24.8 q 703
2014-06-18 07:54:10 C 15 18 12.72 +25 18 31.5 q 703
2014-06-18 08:03:48 C 15 18 12.36 +25 18 38.6 q 703
2014-06-21 07:22:33 C 15 15 32.05 +26 06 12.4 q 703
2014-06-21 07:34:09 C 15 15 31.67 +26 06 19.9 q 703
2014-06-21 07:45:44 C 15 15 31.16 +26 06 26.7 q 703
2014-06-21 07:57:18 C 15 15 30.73 +26 06 33.7 q 703
2014-06-28 04:59:50 C 15 11 03.68 +27 29 02.8 R G45
2014-06-28 05:25:55 C 15 11 03.02 +27 29 13.4 R G45
2014-06-28 05:44:10 C 15 11 02.62 +27 29 19.4 R G45
2014-06-28 06:02:23 C 15 11 02.18 +27 29 27.1 R G45
2014-07-11 03:33:05 C 15 09 30.10 +28 40 41.5 u H21
2014-07-11 03:37:35 C 15 09 30.15 +28 40 41.5 u H21
2014-07-11 03:43:33 C 15 09 30.22 +28 40 41.7 u H21
2014-07-25 17:45:34 S 15 17 42.78 +28 32 08.4 L C51
2014-07-25 20:54:59 S 15 17 49.84 +28 31 44.8 L C51
2014-07-26 00:04:24 S 15 17 56.99 +28 31 20.0 L C51
2014-07-26 03:14:00 S 15 18 04.14 +28 30 56.5 L C51
2014-07-26 07:58:03 S 15 18 15.13 +28 30 18.5 L C51
2014-07-26 07:58:13 S 15 18 15.09 +28 30 19.0 L C51
2014-07-26 09:32:50 S 15 18 18.52 +28 30 06.6 L C51
2014-07-26 11:07:38 S 15 18 22.22 +28 29 53.3 L C51
2014-07-26 12:42:15 S 15 18 25.98 +28 29 41.2 L C51
2014-07-26 14:17:03 S 15 18 29.50 +28 29 28.6 L C51
2014-07-26 15:51:52 S 15 18 33.17 +28 29 14.5 L C51
2014-07-26 17:26:28 S 15 18 36.93 +28 29 01.5 L C51
2014-07-26 20:35:53 S 15 18 44.34 +28 28 35.6 L C51
2014-07-26 22:10:42 S 15 18 48.04 +28 28 22.2 L C51
2014-07-27 01:20:07 S 15 18 55.51 +28 27 55.6 L C51
2014-07-27 09:13:45 S 15 19 14.36 +28 26 48.2 L C51
2014-07-27 09:13:56 S 15 19 14.39 +28 26 47.9 L C51
2014-07-27 12:23:21 S 15 19 22.07 +28 26 21.3 L C51
2014-07-27 15:32:46 S 15 19 29.73 +28 25 53.8 L C51
2014-08-06 01:40:17 C 15 30 30.29 +27 41 25.6 q I15
2014-08-06 02:06:10 C 15 30 31.70 +27 41 18.3 q I15
2014-08-06 02:16:31 C 15 30 32.25 +27 41 15.5 q I15
2014-08-15 01:50:55 C 15 44 15.74 +26 40 16.7 q I15
2014-08-15 01:57:10 C 15 44 16.15 +26 40 14.7 q I15
2014-08-15 02:03:24 C 15 44 16.53 +26 40 12.9 q I15
2014-08-27 01:15:36 C 16 07 16.81 +24 49 17.7 q I15
2014-08-27 01:21:51 C 16 07 17.32 +24 49 14.5 q I15
2014-08-27 01:28:05 C 16 07 17.93 +24 49 11.2 q I15
2014-09-03 03:33:27 C 16 23 38.98 +23 24 37.0 q 703
2014-09-03 03:42:14 C 16 23 39.83 +23 24 31.4 q 703
2014-09-03 03:59:44 C 16 23 41.73 +23 24 22.2 q 703
2014-10-03 17:52:54 C 18 06 29.25 +12 15 41.5 q 160
2014-10-03 17:54:51 C 18 06 29.58 +12 15 38.3 q 160
2014-10-04 17:54:28 C 18 11 06.99 +11 40 21.6 q 160
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)