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
2014-10-04 17:57:27 C 18 11 07.62 +11 40 16.9 q 160
2014-10-04 18:00:25 C 18 11 08.12 +11 40 12.9 q 160
2014-10-18 19:31:47 C 19 28 13.15 +01 18 00.2 q 160
2014-10-18 19:34:41 C 19 28 13.92 +01 17 53.6 q 160
2014-10-18 19:37:35 C 19 28 14.66 +01 17 47.0 q 160
2014-10-22 19:15:28 C 19 54 20.58 -02 14 19.0 q 160
2014-10-22 19:18:26 C 19 54 21.45 -02 14 25.7 q 160
2014-10-22 19:21:24 C 19 54 22.28 -02 14 32.8 q 160
2014-10-24 18:05:13 C 20 07 44.74 -04 00 35.3 q 160
2014-10-24 18:08:10 C 20 07 45.58 -04 00 42.0 q 160
2014-10-24 18:11:07 C 20 07 46.40 -04 00 48.8 q 160
2014-10-25 18:22:20 C 20 14 49.84 -04 55 47.5 q 160
2014-10-25 18:25:17 C 20 14 50.70 -04 55 54.4 q 160
2014-10-25 18:28:12 C 20 14 51.52 -04 56 01.2 q 160
2014-10-26 00:18:56 S 20 16 34.94 -05 08 53.5 L C51
2014-10-26 03:28:22 S 20 17 30.77 -05 16 03.4 L C51
2014-10-26 09:47:00 S 20 19 22.63 -05 30 21.9 L C51
2014-10-26 12:56:14 S 20 20 18.65 -05 37 30.3 L C51
2014-10-26 16:05:39 S 20 21 14.80 -05 44 39.4 L C51
2014-10-26 19:14:53 S 20 22 11.00 -05 51 47.2 L C51
2014-10-26 22:24:18 S 20 23 07.31 -05 58 55.7 L C51
2014-10-26 23:58:56 S 20 23 35.49 -06 02 29.1 L C51
2014-10-27 01:33:33 S 20 24 03.65 -06 06 02.5 L C51
2014-10-27 03:08:21 S 20 24 31.91 -06 09 36.8 L C51
2014-10-27 04:42:58 S 20 25 00.13 -06 13 10.3 L C51
2014-10-27 06:17:34 S 20 25 28.37 -06 16 43.5 L C51
2014-10-27 07:52:12 S 20 25 56.62 -06 20 16.6 L C51
2014-10-27 09:27:00 S 20 26 24.96 -06 23 50.5 L C51
2014-10-27 11:01:37 S 20 26 53.27 -06 27 23.3 L C51
2014-10-27 12:36:14 S 20 27 21.59 -06 30 56.0 L C51
2014-10-27 14:10:51 S 20 27 49.92 -06 34 28.7 L C51
2014-10-27 15:45:39 S 20 28 18.32 -06 38 02.2 L C51
2014-10-27 17:20:16 S 20 28 46.68 -06 41 34.5 L C51
2014-10-27 18:54:53 S 20 29 15.06 -06 45 07.0 L C51
2014-10-27 19:03:45 C 20 29 17.15 -06 45 52.8 q 160
2014-10-27 19:04:45 C 20 29 17.46 -06 45 54.7 q 160
2014-10-27 19:05:45 C 20 29 17.81 -06 45 55.0 q 160
2014-10-28 04:22:46 S 20 32 05.78 -07 06 18.8 L C51
2014-10-28 04:22:57 S 20 32 05.85 -07 06 19.8 L C51
2014-10-28 07:32:11 S 20 33 02.86 -07 13 22.3 L C51
2014-10-28 10:41:26 S 20 33 59.97 -07 20 24.3 L C51
2014-10-28 10:41:36 S 20 34 00.03 -07 20 25.3 L C51
2014-10-28 17:00:04 S 20 35 54.413 -07 34 27.16 L C51
2014-10-28 18:47:27 C 20 36 26.45 -07 38 51.0 q 160
2014-10-28 18:50:21 C 20 36 27.31 -07 38 57.3 q 160
2014-10-28 18:53:16 C 20 36 28.16 -07 39 04.3 q 160
2014-10-29 18:26:07 C 20 43 37.70 -08 31 00.5 q 160
2014-10-29 18:29:07 C 20 43 38.58 -08 31 07.0 q 160
2014-10-29 18:32:04 C 20 43 39.45 -08 31 13.3 q 160
2014-10-30 18:11:51 C 20 50 53.92 -09 22 36.3 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)