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
2019-05-10 11:57:06 C 15 27 23.18 +02 18 10.8 V T05
2019-05-10 11:59:05 C 15 27 23.05 +02 18 14.3 V T05
2019-05-10 12:13:47 C 15 27 22.09 +02 18 38.1 V T05
2019-05-10 12:15:45 C 15 27 21.97 +02 18 41.0 V T05
2019-05-10 12:17:45 C 15 27 21.86 +02 18 44.6 V T05
2019-05-10 12:18:24 C 15 27 21.84 +02 18 46.3 V T05
2019-05-10 12:23:03 C 15 27 21.52 +02 18 53.2 V T05
2019-05-11 10:43:01 C 15 26 01.10 +02 54 56.2 V T05
2019-05-11 10:47:55 C 15 26 00.78 +02 55 03.9 V T05
2019-05-11 10:56:28 C 15 26 00.23 +02 55 17.6 V T05
2019-05-11 11:15:19 C 15 25 59.00 +02 55 47.9 V T05
2019-05-14 06:50:12 C 15 21 48.52 +04 44 08.4 V 703
2019-05-14 06:57:49 C 15 21 47.94 +04 44 19.6 V G96
2019-05-14 07:05:31 C 15 21 47.53 +04 44 32.1 V 703
2019-05-14 07:05:54 C 15 21 47.40 +04 44 32.5 V G96
2019-05-14 07:13:09 C 15 21 46.93 +04 44 44.2 V 703
2019-05-14 07:14:00 C 15 21 46.86 +04 44 45.4 V G96
2019-05-14 07:22:03 C 15 21 46.32 +04 44 58.1 V G96
2019-05-14 09:52:24 C 15 21 36.99 +04 49 00.9 V T08
2019-05-14 10:10:26 C 15 21 35.72 +04 49 29.9 V T08
2019-05-14 10:16:08 C 15 21 35.40 +04 49 37.8 V T08
2019-05-14 10:23:55 C 15 21 34.92 +04 49 51.2 V T08
2019-05-15 09:51:55 C 15 20 06.11 +05 27 01.8 V T05
2019-05-15 09:57:20 C 15 20 05.74 +05 27 10.8 V T05
2019-05-15 10:40:23 C 15 20 02.78 +05 28 18.7 V T05
2019-05-15 23:30:04 C 15 19 13.96 +05 48 24.3 q 160
2019-05-15 23:33:57 C 15 19 13.63 +05 48 32.0 q 160
2019-05-15 23:37:50 C 15 19 13.45 +05 48 36.7 q 160
2019-05-21 10:45:09 C 15 10 49.43 +09 08 12.3 V T08
2019-05-21 10:49:10 C 15 10 49.15 +09 08 16.7 V T08
2019-05-21 10:58:02 C 15 10 48.57 +09 08 30.0 V T08
2019-05-21 11:12:11 C 15 10 47.53 +09 08 51.6 V T08
2019-05-23 10:49:41 C 15 07 45.98 +10 17 12.6 V T05
2019-05-23 10:58:13 C 15 07 45.37 +10 17 25.1 V T05
2019-05-23 11:15:24 C 15 07 44.22 +10 17 49.0 V T05
2019-05-23 11:16:03 C 15 07 44.18 +10 17 49.9 V T05
2019-05-23 11:19:36 C 15 07 43.94 +10 17 54.9 V T05
2019-05-23 11:20:15 C 15 07 43.88 +10 17 56.1 V T05
2019-05-23 11:29:07 C 15 07 43.31 +10 18 08.4 V T05
2019-05-23 11:44:22 C 15 07 42.25 +10 18 29.6 V T05
2019-05-24 07:42:20 C 15 06 27.17 +10 46 18.7 V 703
2019-05-24 07:49:55 C 15 06 26.64 +10 46 29.6 V 703
2019-05-24 07:57:31 C 15 06 26.19 +10 46 38.9 V 703
2019-05-24 08:05:07 C 15 06 25.68 +10 46 48.9 V 703
2019-05-24 13:00:01 C 15 06 06.74 +10 53 39.4 V T05
2019-05-24 13:03:59 C 15 06 06.47 +10 53 44.6 V T05
2019-05-24 13:12:17 C 15 06 05.88 +10 53 55.8 V T05
2019-05-24 13:41:49 C 15 06 03.98 +10 54 35.8 V T05
2019-05-25 09:12:38 C 15 04 52.18 +11 21 14.8 V T08
2019-05-25 09:17:59 C 15 04 51.79 +11 21 21.7 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)