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
2020-01-29 02:01:14 C 02 54 37.71 -08 35 36.8 V G96
2020-01-29 02:09:19 C 02 54 38.62 -08 35 31.4 V G96
2020-01-29 02:17:24 C 02 54 39.50 -08 35 26.6 V G96
2020-01-29 02:25:28 C 02 54 40.38 -08 35 21.7 V G96
2021-12-06 11:42:54 C 10 19 28.07 -16 03 00.4 V G96
2021-12-06 11:50:20 C 10 19 28.35 -16 03 05.6 V G96
2021-12-06 11:57:46 C 10 19 28.61 -16 03 10.8 V G96
2021-12-06 12:05:13 C 10 19 28.84 -16 03 16.0 V G96
2022-03-09 05:15:47 C 09 19 08.35 -16 21 30.1 V G96
2022-03-09 05:23:52 C 09 19 08.00 -16 21 22.6 V G96
2022-03-09 05:31:57 C 09 19 07.64 -16 21 14.5 V G96
2022-03-09 05:40:02 C 09 19 07.27 -16 21 06.9 V G96
2022-03-11 06:56:51 C 09 17 10.273 -15 33 19.49 U F52
2022-03-11 07:13:18 C 09 17 09.608 -15 33 03.49 U F52
2022-03-11 07:46:18 C 09 17 08.283 -15 32 31.49 U F52
2022-05-24 00:19:54 C 09 57 15.96 +02 47 02.7 X W84
2022-05-24 00:21:36 C 09 57 16.07 +02 47 03.0 X W84
2022-05-24 00:23:51 C 09 57 16.20 +02 47 03.3 X W84
2022-05-24 00:42:03 C 09 57 17.32 +02 47 06.2 X W84
2022-05-24 00:56:08 C 09 57 18.19 +02 47 08.5 X W84
2022-05-24 00:57:49 C 09 57 18.29 +02 47 08.8 X W84
2022-05-24 01:00:05 C 09 57 18.43 +02 47 09.1 X W84
2022-05-24 01:14:14 C 09 57 19.30 +02 47 11.4 X W84
2022-05-24 01:18:12 C 09 57 19.54 +02 47 12.0 X W84
2022-05-24 01:32:19 C 09 57 20.42 +02 47 14.2 X W84
2022-05-24 01:34:00 C 09 57 20.52 +02 47 14.6 X W84
2024-02-19 14:00:20 C 14 53 23.928 -23 41 45.50 X F51
2024-02-19 14:01:16 C 14 53 23.987 -23 41 45.52 X F51
2024-02-19 14:16:40 C 14 53 24.787 -23 41 45.14 X F51
2024-02-19 14:17:36 C 14 53 24.852 -23 41 45.00 X F51
2024-02-19 14:34:27 C 14 53 25.717 -23 41 44.62 X F51
2024-02-19 14:50:46 C 14 53 26.576 -23 41 44.07 X F51
2024-02-19 14:51:42 C 14 53 26.628 -23 41 43.98 X F51
2024-03-19 14:30:01 C 15 20 38.095 -20 59 24.77 X F52
2024-03-19 14:43:14 C 15 20 38.316 -20 59 18.44 X F52
2024-03-19 14:56:26 C 15 20 38.535 -20 59 12.05 X F52
2024-04-04 10:51:11 C 15 22 29.712 -16 46 52.36 V G96
2024-04-04 10:58:55 C 15 22 29.597 -16 46 45.73 V G96
2024-04-04 11:06:42 C 15 22 29.492 -16 46 38.78 V G96
2024-04-04 11:14:27 C 15 22 29.377 -16 46 32.12 V G96
2024-04-16 11:10:36 C 15 15 43.339 -11 48 56.45 V T05
2024-04-16 11:13:12 C 15 15 43.193 -11 48 52.60 V T05
2024-04-16 11:14:30 C 15 15 43.085 -11 48 50.11 V T05
2024-04-16 11:32:40 C 15 15 42.358 -11 48 29.41 V T05
2024-04-16 11:33:19 C 15 15 42.389 -11 48 29.70 V T05
2024-04-16 11:47:15 C 15 15 41.904 -11 48 12.38 V T05
2024-04-17 00:49:09 C 15 15 13.020 -11 32 16.19 V M22
2024-04-17 00:54:22 C 15 15 12.842 -11 32 09.64 V M22
2024-04-17 01:02:13 C 15 15 12.480 -11 32 00.38 V M22
2024-04-17 01:16:34 C 15 15 11.892 -11 31 43.82 V M22
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)