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
2014-10-30 18:14:50 C 20 50 54.79 -09 22 43.2 q 160
2014-10-30 18:17:47 C 20 50 55.69 -09 22 48.6 q 160
2014-10-31 04:57:11 S 20 54 12.230 -09 45 12.64 L C51
2014-11-01 19:10:13 C 21 05 58.75 -11 05 41.8 q 160
2014-11-01 19:13:14 C 21 05 59.66 -11 05 47.4 q 160
2014-11-02 01:03:07 C 21 07 48.09 -11 17 41.7 q H21
2014-11-02 01:08:16 C 21 07 49.63 -11 17 52.7 q H21
2014-11-02 01:13:32 C 21 07 51.22 -11 18 03.3 q H21
2014-11-02 01:18:49 C 21 07 52.82 -11 18 13.7 q H21
2014-11-02 01:23:58 C 21 07 54.39 -11 18 24.3 q H21
2014-11-04 01:33:44 C 21 22 49.38 -12 53 40.1 q 703
2014-11-04 01:43:56 C 21 22 52.49 -12 54 00.1 q 703
2014-11-04 01:54:05 C 21 22 55.53 -12 54 19.3 q 703
2014-11-04 02:04:13 C 21 22 58.65 -12 54 37.9 q 703
2014-11-06 00:19:05 C 21 37 15.58 -14 20 04.5 u H21
2014-11-06 00:22:59 C 21 37 16.75 -14 20 11.3 u H21
2014-11-06 00:27:14 C 21 37 18.03 -14 20 19.1 u H21
2014-11-06 00:32:18 C 21 37 19.55 -14 20 28.0 u H21
2014-11-09 05:27:24 C 22 00 47.342 -16 27 13.77 L F51
2014-11-09 05:43:48 C 22 00 52.143 -16 27 38.62 L F51
2014-11-09 06:00:14 C 22 00 56.951 -16 28 03.39 L F51
2014-11-09 06:16:42 C 22 01 01.784 -16 28 28.12 L F51
2014-11-18 02:00:05 C 23 01 34.91 -20 30 33.4 q 703
2014-11-18 02:07:20 C 23 01 36.79 -20 30 38.8 q 703
2014-11-18 02:14:34 C 23 01 38.68 -20 30 45.4 q 703
2014-11-18 02:21:50 C 23 01 40.54 -20 30 50.5 q 703
2014-11-19 02:13:31 C 23 07 59.46 -20 48 30.4 R G45
2014-11-19 02:17:17 C 23 08 00.44 -20 48 33.1 R G45
2014-11-19 02:23:15 C 23 08 01.97 -20 48 36.9 R G45
2014-11-19 02:29:19 C 23 08 03.55 -20 48 41.2 R G45
2014-11-19 02:35:17 C 23 08 05.03 -20 48 45.3 R G45
2014-11-19 02:41:15 C 23 08 06.56 -20 48 49.7 R G45
2014-11-20 06:25:36 C 23 15 18.051 -21 07 00.37 L F51
2014-11-20 06:43:10 C 23 15 22.427 -21 07 11.06 L F51
2014-11-20 07:00:45 C 23 15 26.808 -21 07 21.66 L F51
2014-12-14 06:33:33 C 01 11 09.964 -21 06 29.13 L F51
2014-12-14 07:02:02 C 01 11 14.231 -21 06 17.26 L F51
2014-12-14 07:16:16 C 01 11 16.362 -21 06 11.41 L F51
2014-12-22 02:26:38 C 01 38 19.54 -19 37 10.3 R G45
2014-12-22 02:32:37 C 01 38 20.31 -19 37 07.3 R G45
2014-12-22 02:42:22 C 01 38 21.62 -19 37 02.0 R G45
2014-12-22 02:48:20 C 01 38 22.41 -19 36 59.1 R G45
2014-12-22 02:48:26 C 01 38 22.42 -19 36 59.5 R G45
2014-12-22 02:54:23 C 01 38 23.13 -19 36 55.4 R G45
2014-12-22 03:00:22 C 01 38 23.95 -19 36 52.3 R G45
2014-12-26 05:17:26 C 01 51 18.851 -18 41 48.10 L F51
2014-12-26 05:32:52 C 01 51 20.746 -18 41 39.21 L F51
2014-12-26 05:48:39 C 01 51 22.692 -18 41 30.04 L F51
2014-12-26 06:03:51 C 01 51 24.568 -18 41 21.22 L F51
2014-12-27 02:25:18 C 01 53 59.55 -18 29 28.2 R G45
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)