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
2019-06-07 11:43:16 C 14 47 47.78 +17 14 05.3 V T08
2019-06-07 11:48:32 C 14 47 47.57 +17 14 10.3 V T08
2019-06-08 06:37:17 C 14 46 59.43 +17 30 25.3 V 703
2019-06-08 06:44:48 C 14 46 59.13 +17 30 32.4 V 703
2019-06-08 06:52:20 C 14 46 58.76 +17 30 40.4 V 703
2019-06-09 03:04:41 C 14 46 08.81 +17 47 28.4 q I15
2019-06-09 03:07:45 C 14 46 08.67 +17 47 31.6 q I15
2019-06-09 03:10:50 C 14 46 08.57 +17 47 33.6 q I15
2019-06-11 21:41:01 C 14 43 38.04 +18 38 50.7 18.7 q J43
2019-06-11 21:55:05 C 14 43 37.52 +18 39 00.8 18.6 q J43
2019-06-11 22:09:02 C 14 43 36.97 +18 39 10.7 19.4 q J43
2019-06-11 22:22:58 C 14 43 36.43 +18 39 21.0 19.1 q J43
2019-06-13 08:17:43 C 14 42 28.56 +19 02 58.0 V T05
2019-06-13 08:21:44 C 14 42 28.38 +19 03 00.4 V T05
2019-06-13 08:29:54 C 14 42 28.03 +19 03 05.0 V T05
2019-06-13 08:44:42 C 14 42 27.55 +19 03 16.2 V T05
2019-06-17 09:04:58 C 14 39 48.490 +20 01 29.21 U F52
2019-06-17 09:21:42 C 14 39 48.021 +20 01 38.12 U F52
2019-06-17 09:38:16 C 14 39 47.581 +20 01 46.58 U F52
2019-06-17 09:54:56 C 14 39 47.131 +20 01 55.85 U F52
2019-06-20 08:50:47 C 14 38 22.841 +20 36 57.41 U F52
2019-06-20 09:06:40 C 14 38 22.517 +20 37 04.32 U F52
2019-06-20 09:22:32 C 14 38 22.185 +20 37 11.36 U F52
2019-06-20 09:38:24 C 14 38 21.860 +20 37 18.27 U F52
2019-06-26 05:36:36 C 14 36 56.39 +21 28 46.1 V G96
2019-06-26 05:47:27 C 14 36 56.31 +21 28 49.4 V G96
2019-06-26 05:54:50 C 14 36 56.26 +21 28 51.5 V G96
2019-06-26 06:05:43 C 14 36 56.18 +21 28 54.3 V G96
2019-06-28 04:21:10 S 14 36 52.116 +21 41 19.21 L C51
2019-06-28 12:12:03 S 14 36 52.277 +21 43 12.79 L C51
2019-06-28 13:47:02 S 14 36 52.450 +21 43 34.14 L C51
2019-06-29 03:54:00 S 14 36 53.885 +21 46 47.93 L C51
2019-06-30 07:55:22 C 14 36 59.553 +21 52 37.14 U F52
2019-06-30 08:11:20 C 14 36 59.565 +21 52 40.14 U F52
2019-06-30 08:27:17 C 14 36 59.579 +21 52 43.03 U F52
2019-06-30 08:43:15 C 14 36 59.595 +21 52 45.96 U F52
2019-07-09 04:12:49 C 14 39 58.13 +22 14 56.5 V G96
2019-07-09 04:20:56 C 14 39 58.27 +22 14 56.7 V G96
2019-07-09 04:29:05 C 14 39 58.46 +22 14 56.5 V G96
2019-07-09 04:37:12 C 14 39 58.59 +22 14 56.6 V G96
2019-08-09 06:31:41 C 15 16 27.567 +20 07 06.35 U F52
2019-08-09 06:49:16 C 15 16 28.767 +20 07 00.47 U F52
2019-08-09 07:06:53 C 15 16 29.989 +20 06 54.41 U F52
2019-09-19 06:44:11 C 16 56 30.18 +11 31 03.4 V T08
2019-09-19 06:48:53 C 16 56 30.76 +11 31 00.0 V T08
2019-09-19 06:57:30 C 16 56 31.95 +11 30 53.6 V T08
2019-09-30 18:50:02 C 17 37 24.03 +07 25 33.2 V A16
2019-09-30 19:17:29 C 17 37 28.25 +07 25 03.8 V A16
2019-09-30 19:44:56 C 17 37 32.69 +07 24 37.4 V A16
2019-10-01 02:51:42 C 17 38 42.09 +07 17 30.3 V G96
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)