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
2024-04-19 13:56:52 C 15 12 47.328 -10 16 17.09 X F51
2024-04-19 14:29:41 C 15 12 45.844 -10 15 34.92 X F51
2024-04-19 14:46:14 C 15 12 45.101 -10 15 13.67 X F51
2024-04-20 06:51:18 C 15 12 04.856 -09 54 34.16 V G96
2024-04-20 06:58:44 C 15 12 04.511 -09 54 24.70 V G96
2024-04-20 07:07:45 C 15 12 04.093 -09 54 12.92 V G96
2024-04-20 07:15:11 C 15 12 03.737 -09 54 03.56 V G96
2024-04-20 09:57:50 C 15 11 56.724 -09 50 29.94 V T05
2024-04-20 10:00:26 C 15 11 56.640 -09 50 26.59 V T05
2024-04-20 10:05:00 C 15 11 56.434 -09 50 20.36 V T05
2024-04-20 10:13:28 C 15 11 56.016 -09 50 09.89 V T05
2024-04-28 10:11:32 C 15 02 15.234 -05 25 05.84 V G96
2024-04-28 10:13:53 C 15 02 15.773 -05 24 59.54 V T05
2024-04-28 10:16:37 C 15 02 15.626 -05 24 56.05 V T05
2024-04-28 10:19:01 C 15 02 14.784 -05 24 54.97 V G96
2024-04-28 10:21:11 C 15 02 15.331 -05 24 49.25 V T05
2024-04-28 10:26:31 C 15 02 14.338 -05 24 44.06 V G96
2024-04-28 10:34:02 C 15 02 13.888 -05 24 33.23 V G96
2024-04-28 11:04:14 C 15 02 12.751 -05 23 46.86 V T05
2024-04-29 00:40:19 C 15 01 26.066 -05 03 46.98 V M22
2024-04-29 00:44:54 C 15 01 25.805 -05 03 40.32 V M22
2024-04-29 00:52:44 C 15 01 25.337 -05 03 28.91 V M22
2024-04-29 01:07:23 C 15 01 24.470 -05 03 07.27 V M22
2024-04-30 09:46:05 C 14 59 30.847 -04 15 34.70 V 703
2024-04-30 09:49:23 C 14 59 30.689 -04 15 30.67 V 703
2024-04-30 09:52:40 C 14 59 30.455 -04 15 24.66 V 703
2024-04-30 09:55:58 C 14 59 30.217 -04 15 20.09 V 703
2024-05-02 02:18:40 C 14 57 06.79 -03 15 38.6 V W46
2024-05-02 02:32:24 C 14 57 05.93 -03 15 17.8 V W46
2024-05-02 02:51:16 C 14 57 04.72 -03 14 50.2 V W46
2024-05-02 10:00:15 C 14 56 38.334 -03 04 09.56 X F52
2024-05-02 10:15:25 C 14 56 37.346 -03 03 47.03 X F52
2024-05-02 10:30:36 C 14 56 36.359 -03 03 24.44 X F52
2024-05-02 10:45:49 C 14 56 35.367 -03 03 01.84 X F52
2024-05-03 18:33:08 C 14 54 38.133 -02 15 45.04 O18
2024-05-03 20:02:09 C 14 54 32.311 -02 13 32.23 O18
2024-05-05 08:27:20 C 14 52 15.913 -01 19 08.80 V G96
2024-05-05 08:34:45 C 14 52 15.416 -01 18 57.71 V G96
2024-05-05 08:42:09 C 14 52 14.927 -01 18 46.55 V G96
2024-05-05 08:49:34 C 14 52 14.430 -01 18 35.53 V G96
2024-05-05 18:20:50 C 14 51 38.565 -01 04 24.13 O18
2024-05-05 19:49:31 C 14 51 32.664 -01 02 11.89 O18
2024-05-05 20:19:54 C 14 51 30.656 -01 01 26.55 O18
2024-05-06 10:37:01 C 14 50 36.780 -00 40 03.72 V T05
2024-05-06 11:17:38 C 14 50 34.030 -00 39 03.60 V T05
2024-05-06 11:23:30 C 14 50 33.602 -00 38 54.78 V T05
2024-05-06 11:31:28 C 14 50 33.074 -00 38 43.22 V T05
2024-05-06 12:05:22 C 14 50 30.816 -00 37 52.68 V T05
2024-05-06 12:21:39 C 14 50 29.674 -00 37 28.06 V T05
2024-05-06 18:25:03 C 14 50 06.891 -00 28 30.93 O18
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)