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
2014-05-09 10:12:21 C 16 12 04.40 +02 52 12.1 q 703
2014-05-09 10:21:08 C 16 12 04.00 +02 52 27.2 q 703
2014-05-09 10:26:49 C 16 12 04.511 +02 52 40.43 L F51
2014-05-09 10:44:54 C 16 12 03.633 +02 53 12.01 L F51
2014-05-17 07:34:34 C 16 02 29.82 +08 26 19.4 u H21
2014-05-17 07:38:25 C 16 02 29.60 +08 26 25.8 u H21
2014-05-17 07:42:15 C 16 02 29.35 +08 26 32.5 u H21
2014-05-17 07:46:34 C 16 02 29.09 +08 26 40.0 u H21
2014-05-22 08:00:00 C 15 55 21.93 +11 54 39.9 q 703
2014-05-22 08:07:12 C 15 55 21.43 +11 54 51.5 q 703
2014-05-22 08:14:24 C 15 55 20.98 +11 55 03.8 q 703
2014-05-22 08:23:43 C 15 55 20.36 +11 55 19.9 q 703
2014-05-23 12:14:13 C 15 53 36.397 +12 42 05.33 L F51
2014-05-23 12:31:28 C 15 53 35.239 +12 42 33.93 L F51
2014-05-23 12:48:42 C 15 53 34.090 +12 43 02.42 L F51
2014-05-23 13:05:51 C 15 53 32.949 +12 43 30.79 L F51
2014-05-30 07:41:29 C 15 43 12.58 +16 59 01.3 o 695
2014-05-30 07:54:14 C 15 43 11.71 +16 59 19.9 o 695
2014-05-30 08:09:52 C 15 43 10.64 +16 59 42.6 o 695
2014-05-30 20:11:48 C 15 42 25.00 +17 17 11.6 o C41
2014-05-30 20:13:24 C 15 42 25.09 +17 17 11.5 o C41
2014-05-31 07:20:57 C 15 41 42.26 +17 33 16.3 o 695
2014-05-31 07:34:54 C 15 41 41.31 +17 33 36.2 o 695
2014-05-31 07:50:29 C 15 41 40.24 +17 33 58.3 o 695
2014-06-01 07:28:43 C 15 40 10.48 +18 07 19.2 R G45
2014-06-01 07:54:08 C 15 40 08.77 +18 07 54.2 R G45
2014-06-01 08:12:31 C 15 40 07.53 +18 08 19.5 R G45
2014-06-01 08:30:42 C 15 40 06.31 +18 08 44.6 R G45
2014-06-01 08:48:36 C 15 40 05.13 +18 09 09.3 R G45
2014-06-06 06:45:06 C 15 32 51.60 +20 42 01.1 R G45
2014-06-06 07:38:01 C 15 32 48.24 +20 43 04.0 R G45
2014-06-06 07:52:13 C 15 32 47.34 +20 43 20.7 R G45
2014-06-06 07:52:19 C 15 32 47.35 +20 43 21.0 R G45
2014-06-06 08:10:21 C 15 32 46.21 +20 43 42.4 R G45
2014-06-06 08:28:22 C 15 32 45.07 +20 44 03.3 R G45
2014-06-06 08:28:27 C 15 32 45.05 +20 44 03.7 R G45
2014-06-06 08:51:57 C 15 32 43.56 +20 44 31.3 R G45
2014-06-06 08:52:03 C 15 32 43.58 +20 44 31.3 R G45
2014-06-06 08:54:18 C 15 32 43.45 +20 44 35.2 q 703
2014-06-06 09:00:47 C 15 32 43.11 +20 44 42.3 q 703
2014-06-06 09:07:17 C 15 32 42.69 +20 44 50.8 q 703
2014-06-06 09:13:45 C 15 32 42.24 +20 44 58.0 q 703
2014-06-14 03:22:19 C 15 22 40.95 +23 58 00.3 u H21
2014-06-14 03:27:18 C 15 22 40.68 +23 58 04.9 u H21
2014-06-14 03:32:18 C 15 22 40.43 +23 58 08.9 u H21
2014-06-14 03:37:58 C 15 22 40.12 +23 58 14.0 u H21
2014-06-15 03:22:56 C 15 21 32.97 +24 18 42.4 u H21
2014-06-15 03:28:26 C 15 21 32.68 +24 18 47.0 u H21
2014-06-15 03:33:47 C 15 21 32.41 +24 18 51.5 u H21
2014-06-15 03:38:46 C 15 21 32.16 +24 18 55.6 u H21
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)