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
2014-12-27 02:34:52 C 01 54 00.75 -18 29 22.3 R G45
2014-12-27 02:40:50 C 01 54 01.52 -18 29 18.2 R G45
2014-12-27 02:47:05 C 01 54 02.25 -18 29 14.4 R G45
2014-12-28 02:23:28 C 01 56 59.72 -18 15 11.2 R G45
2014-12-28 02:39:00 C 01 57 01.55 -18 15 02.1 R G45
2014-12-28 02:45:15 C 01 57 02.38 -18 14 58.4 R G45
2014-12-28 02:51:19 C 01 57 03.06 -18 14 55.3 R G45
2014-12-30 02:16:37 C 02 02 52.92 -17 46 06.6 R G45
2014-12-30 02:27:29 C 02 02 54.14 -17 45 58.5 R G45
2014-12-30 02:31:48 C 02 02 54.73 -17 45 56.8 R G45
2015-01-02 06:18:45 C 02 11 56.451 -16 58 27.27 L F51
2015-01-02 06:35:52 C 02 11 58.387 -16 58 16.11 L F51
2015-01-02 06:52:57 C 02 12 00.317 -16 58 05.46 L F51
2015-01-02 07:10:49 C 02 12 02.356 -16 57 53.70 L F51
2017-03-02 07:14:52 C 09 48 47.15 -19 55 16.4 q G96
2017-03-02 07:21:00 C 09 48 46.71 -19 55 13.5 q G96
2017-03-02 07:27:08 C 09 48 46.34 -19 55 08.2 q G96
2017-03-02 07:33:16 C 09 48 45.96 -19 55 03.1 q G96
2017-03-03 05:17:28 C 09 47 31.17 -19 36 25.0 R G45
2017-03-03 05:24:23 C 09 47 30.77 -19 36 19.2 R G45
2017-03-03 05:31:29 C 09 47 30.36 -19 36 12.8 R G45
2017-03-03 05:38:23 C 09 47 29.92 -19 36 07.4 R G45
2017-03-03 05:45:20 C 09 47 29.54 -19 36 01.4 R G45
2017-03-03 05:45:26 C 09 47 29.53 -19 36 01.1 R G45
2017-03-03 05:52:20 C 09 47 29.12 -19 35 55.4 R G45
2017-03-06 08:28:16 C 09 43 23.257 -18 29 25.03 L F51
2017-03-06 08:59:59 C 09 43 21.494 -18 28 56.13 L F51
2017-03-06 09:15:50 C 09 43 20.608 -18 28 41.64 L F51
2017-03-21 04:51:57 C 09 29 04.35 -12 43 06.7 q G96
2017-03-21 04:58:03 C 09 29 04.17 -12 43 00.7 q G96
2017-03-21 05:13:37 C 09 29 03.74 -12 42 45.4 q G96
2019-04-03 13:19:43 C 15 51 26.492 -16 47 37.54 U F51
2019-04-03 13:37:57 C 15 51 26.615 -16 47 22.77 U F51
2019-04-03 13:56:10 C 15 51 26.742 -16 47 07.94 U F51
2019-04-03 14:14:21 C 15 51 26.863 -16 46 53.17 U F51
2019-04-08 11:00:50 C 15 52 04.06 -15 04 34.0 V G96
2019-04-08 11:08:14 C 15 52 04.04 -15 04 27.1 V G96
2019-04-08 11:15:38 C 15 52 04.02 -15 04 20.0 V G96
2019-04-08 11:23:02 C 15 52 04.00 -15 04 13.2 V G96
2019-04-25 10:59:55 C 15 45 01.88 -07 01 25.9 V G96
2019-04-25 11:05:26 C 15 45 01.67 -07 01 18.1 V G96
2019-04-25 11:10:58 C 15 45 01.47 -07 01 10.4 V G96
2019-04-25 11:16:29 C 15 45 01.24 -07 01 02.4 V G96
2019-04-26 10:02:03 C 15 44 12.03 -06 28 30.9 V 703
2019-04-26 10:09:39 C 15 44 11.71 -06 28 20.0 V 703
2019-04-26 10:17:14 C 15 44 11.44 -06 28 08.8 V 703
2019-04-26 10:24:50 C 15 44 11.08 -06 27 57.1 V 703
2019-04-27 12:00:17 C 15 43 12.67 -05 50 43.5 V T08
2019-04-27 12:12:57 C 15 43 12.12 -05 50 24.6 V T08
2019-04-27 12:24:47 C 15 43 11.60 -05 50 08.4 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)