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
2024-06-28 08:49:52 C 14 09 45.726 +17 14 20.23 X F51
2024-06-28 09:08:52 C 14 09 46.023 +17 14 22.62 X F51
2024-07-03 07:44:15 C 14 12 30.459 +17 25 09.51 X F52
2024-07-03 08:02:19 C 14 12 30.902 +17 25 10.30 X F52
2024-07-03 08:20:24 C 14 12 31.338 +17 25 10.92 X F52
2024-07-03 08:38:33 C 14 12 31.784 +17 25 11.60 X F52
2024-07-07 07:01:14 C 14 15 28.063 +17 26 41.53 V T05
2024-07-07 07:05:48 C 14 15 28.241 +17 26 41.32 V T05
2024-07-07 07:13:15 C 14 15 28.459 +17 26 40.99 V T05
2024-07-07 07:27:58 C 14 15 28.937 +17 26 40.60 V T05
2024-07-10 06:46:01 C 14 18 07.402 +17 24 07.13 V T05
2024-07-10 06:51:15 C 14 18 07.596 +17 24 06.23 V T05
2024-07-10 07:05:48 C 14 18 07.997 +17 24 04.86 V T05
2024-07-10 07:28:29 C 14 18 08.918 +17 24 03.67 V T05
2024-08-15 07:33:48 C 15 14 02.086 +13 55 59.86 X F52
2024-08-15 07:43:03 C 15 14 02.875 +13 55 56.03 X F51
2024-08-15 07:47:58 C 15 14 03.299 +13 55 53.95 X F52
2024-08-15 07:57:00 C 15 14 04.078 +13 55 50.46 X F51
2024-08-15 08:02:10 C 15 14 04.516 +13 55 48.44 X F52
2024-08-15 08:11:02 C 15 14 05.272 +13 55 44.93 X F51
2024-08-15 08:16:20 C 15 14 05.731 +13 55 42.60 X F52
2024-08-15 08:25:07 C 15 14 06.477 +13 55 39.36 X F51
2024-08-17 07:31:03 C 15 18 17.149 +13 37 02.54 X F51
2024-08-17 07:43:13 C 15 18 18.224 +13 36 57.46 X F51
2024-08-17 07:55:21 C 15 18 19.309 +13 36 52.48 X F51
2024-08-17 08:07:27 C 15 18 20.372 +13 36 47.64 X F51
2024-08-18 07:18:32 C 15 20 26.268 +13 27 23.48 X F52
2024-08-18 07:30:50 C 15 20 27.370 +13 27 18.38 X F52
2024-08-18 07:43:14 C 15 20 28.442 +13 27 12.94 X F52
2024-08-20 06:40:30 C 15 24 48.278 +13 07 41.71 X F51
2024-08-20 06:52:43 C 15 24 49.400 +13 07 36.22 X F51
2024-08-20 07:13:04 C 15 24 51.261 +13 07 27.53 X F51
2024-08-20 07:25:17 C 15 24 52.381 +13 07 22.20 X F51
2024-08-21 07:23:13 C 15 27 07.494 +12 57 08.65 X F51
2024-08-21 07:35:21 C 15 27 08.604 +12 57 03.41 X F51
2024-08-21 07:47:30 C 15 27 09.745 +12 56 57.96 X F51
2024-08-21 07:59:35 C 15 27 10.858 +12 56 52.75 X F51
2024-09-15 05:58:29 C 16 33 19.154 +07 41 19.06 X F52
2024-09-15 06:18:31 C 16 33 21.652 +07 41 06.68 X F52
2024-09-15 06:38:35 C 16 33 24.185 +07 40 53.76 X F52
2024-11-20 01:50:31 C 21 34 35.803 -14 17 02.72 V 703
2024-11-20 01:53:49 C 21 34 36.505 -14 17 03.05 V 703
2024-11-20 02:00:26 C 21 34 38.096 -14 17 06.00 V 703
2024-12-03 01:22:20 C 22 46 23.653 -16 00 11.74 V G96
2024-12-03 01:30:31 C 22 46 25.428 -16 00 12.74 V G96
2024-12-03 01:38:41 C 22 46 27.181 -16 00 13.86 V G96
2024-12-03 01:46:51 C 22 46 28.963 -16 00 14.83 V G96
2024-12-03 02:02:13 C 22 46 32.290 -16 00 15.88 V 703
2024-12-03 02:08:45 C 22 46 33.733 -16 00 17.60 V 703
2024-12-03 02:12:01 C 22 46 34.493 -16 00 16.13 V 703
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)