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
2019-05-25 09:29:14 C 15 04 51.04 +11 21 36.9 V T08
2019-05-25 09:45:09 C 15 04 50.01 +11 21 58.5 V T08
2019-05-26 08:33:40 C 15 03 26.00 +11 52 25.8 V T08
2019-05-26 08:37:39 C 15 03 25.74 +11 52 31.0 V T08
2019-05-26 08:51:48 C 15 03 24.78 +11 52 49.7 V T08
2019-05-26 09:05:54 C 15 03 23.85 +11 53 08.1 V T08
2019-05-27 07:23:47 C 15 02 02.976 +12 22 12.59 U F52
2019-05-27 07:40:43 C 15 02 01.879 +12 22 34.53 U F52
2019-05-27 07:57:27 C 15 02 00.792 +12 22 56.14 U F52
2019-05-27 08:14:16 C 15 01 59.696 +12 23 17.91 U F52
2019-05-28 06:51:17 C 15 00 38.80 +12 52 03.2 V T05
2019-05-28 07:07:25 C 15 00 37.74 +12 52 23.8 V T05
2019-05-28 07:21:17 C 15 00 36.01 +12 52 37.9 V 703
2019-05-28 07:28:49 C 15 00 35.57 +12 52 47.9 V 703
2019-05-28 07:29:27 C 15 00 36.35 +12 52 51.2 V T05
2019-05-28 07:36:21 C 15 00 35.07 +12 52 56.6 V 703
2019-05-28 07:43:53 C 15 00 34.58 +12 53 07.9 V 703
2019-05-28 07:46:34 C 15 00 35.25 +12 53 13.0 V T05
2019-05-31 07:04:00 C 14 56 27.88 +14 18 51.3 V G96
2019-05-31 07:12:06 C 14 56 27.39 +14 19 00.6 V G96
2019-05-31 07:20:10 C 14 56 26.91 +14 19 09.8 V G96
2019-05-31 07:28:16 C 14 56 26.42 +14 19 19.0 V G96
2019-05-31 23:00:24 C 14 55 34.99 +14 36 55.0 q 160
2019-05-31 23:04:26 C 14 55 34.74 +14 37 00.1 q 160
2019-05-31 23:08:29 C 14 55 34.49 +14 37 04.7 q 160
2019-06-01 07:00:38 C 14 55 08.70 +14 45 55.4 V 703
2019-06-01 07:08:48 C 14 55 08.19 +14 46 04.7 V 703
2019-06-01 07:16:57 C 14 55 07.74 +14 46 13.3 V 703
2019-06-01 07:25:07 C 14 55 07.25 +14 46 23.3 V 703
2019-06-01 11:17:33 C 14 54 54.41 +14 50 43.2 V T05
2019-06-01 11:24:30 C 14 54 54.03 +14 50 50.6 V T05
2019-06-01 11:42:20 C 14 54 52.98 +14 51 10.0 V T05
2019-06-01 12:01:32 C 14 54 51.85 +14 51 30.9 V T05
2019-06-01 22:43:22 C 14 54 17.95 +15 03 09.3 q 160
2019-06-01 22:47:22 C 14 54 17.73 +15 03 13.7 q 160
2019-06-01 22:51:22 C 14 54 17.46 +15 03 18.2 q 160
2019-06-05 07:11:46 C 14 50 12.70 +16 25 42.2 V 703
2019-06-05 07:26:56 C 14 50 11.99 +16 25 55.3 V 703
2019-06-05 07:34:31 C 14 50 11.62 +16 26 02.5 V 703
2019-06-05 23:18:38 C 14 49 27.05 +16 40 55.9 q 160
2019-06-05 23:22:37 C 14 49 26.85 +16 40 59.7 q 160
2019-06-05 23:26:35 C 14 49 26.67 +16 41 03.1 q 160
2019-06-06 21:53:20 C 14 48 25.30 +17 01 41.8 q 160
2019-06-06 21:58:47 C 14 48 25.03 +17 01 46.8 q 160
2019-06-06 22:00:11 C 14 48 24.97 +17 01 48.2 q 160
2019-06-07 07:18:24 C 14 48 00.52 +17 10 13.0 V T08
2019-06-07 07:40:49 C 14 47 59.51 +17 10 34.0 V T08
2019-06-07 08:08:10 C 14 47 58.20 +17 10 58.7 V T08
2019-06-07 10:58:41 C 14 47 49.86 +17 13 27.7 V T08
2019-06-07 11:27:50 C 14 47 48.48 +17 13 53.0 V T08
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)