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
2004-06-07 00:00:51 C 17 14 56.88 +28 49 05.7 c J92
2004-06-07 00:23:37 C 17 14 55.65 +28 49 48.8 c J92
2004-06-07 00:39:40 C 17 14 54.82 +28 50 19.1 c J92
2004-06-07 00:55:41 C 17 14 53.94 +28 50 49.4 c J92
2004-06-07 21:44:42 C 17 13 52.47 +29 29 44.0 r A16
2004-06-07 21:47:19 C 17 13 52.38 +29 29 49.5 r A16
2004-06-07 21:48:54 C 17 13 52.30 +29 29 52.5 r A16
2004-06-07 21:51:54 C 17 13 52.19 +29 29 59.0 r A16
2004-06-07 21:55:41 C 17 13 52.02 +29 30 04.9 r A16
2004-06-07 21:57:33 C 17 13 51.86 +29 30 09.4 r A16
2004-06-07 21:59:25 C 17 13 51.77 +29 30 12.3 r A16
2004-06-08 07:41:07 C 17 13 21.29 +29 48 10.5 r H41
2004-06-08 07:46:07 C 17 13 21.12 +29 48 20.5 r H41
2004-06-08 07:48:54 C 17 13 20.99 +29 48 26.1 r H41
2004-06-08 07:56:29 C 17 13 20.51 +29 48 40.2 r H41
2004-06-08 07:59:00 C 17 13 20.26 +29 48 44.3 r H41
2004-06-08 22:43:10 C 17 12 36.07 +30 15 39.4 r A16
2004-06-08 22:47:53 C 17 12 35.79 +30 15 48.5 r A16
2004-06-08 22:52:34 C 17 12 35.54 +30 15 56.9 r A16
2004-06-08 22:57:13 C 17 12 35.21 +30 16 05.1 r A16
2004-06-08 23:01:35 C 17 12 34.91 +30 16 13.3 r A16
2004-06-11 08:47:45 C 17 09 31.01 +31 58 55.5 r H41
2004-06-11 08:50:16 C 17 09 30.81 +31 58 59.8 r H41
2004-06-11 08:52:50 C 17 09 30.64 +31 59 03.2 r H41
2004-06-11 08:59:08 C 17 09 30.35 +31 59 14.6 r H41
2004-06-11 09:01:55 C 17 09 30.18 +31 59 20.1 r H41
2004-06-12 07:50:18 C 17 08 16.12 +32 38 26.4 r H41
2004-06-12 07:52:57 C 17 08 15.96 +32 38 30.1 r H41
2004-06-12 07:59:45 C 17 08 15.48 +32 38 41.8 r H41
2004-06-12 08:03:26 C 17 08 15.31 +32 38 48.2 r H41
2004-06-13 08:13:20 C 17 06 55.14 +33 19 17.2 r H41
2004-06-13 08:15:48 C 17 06 55.03 +33 19 22.1 r H41
2004-06-13 08:18:57 C 17 06 54.80 +33 19 26.5 r H41
2004-06-16 03:32:17 C 17 03 07.09 +35 06 51.1 r 938
2004-06-16 03:36:59 C 17 03 06.68 +35 06 59.5 r 938
2004-06-16 09:24:00 C 17 02 47.08 +35 15 56.0 d 703
2004-06-16 09:36:19 C 17 02 46.27 +35 16 14.2 d 703
2004-06-16 09:48:42 C 17 02 45.49 +35 16 33.5 d 703
2004-06-16 10:01:01 C 17 02 44.76 +35 16 51.6 d 703
2004-06-18 06:59:04 C 17 00 10.19 +36 23 53.7 r H41
2004-06-18 07:01:38 C 17 00 09.96 +36 23 57.7 r H41
2004-06-18 07:04:07 C 17 00 09.78 +36 24 00.0 r H41
2004-06-18 07:06:35 C 17 00 09.68 +36 24 05.0 r H41
2004-06-18 07:10:29 C 17 00 09.44 +36 24 09.4 r H41
2004-06-18 07:13:27 C 17 00 09.26 +36 24 13.8 r H41
2004-06-20 23:40:28 C 16 56 25.97 +37 53 52.9 c A32
2004-06-21 00:12:48 C 16 56 23.88 +37 54 36.1 c A32
2004-06-21 07:02:27 C 16 56 00.12 +38 03 46.7 r H41
2004-06-21 07:05:52 C 16 55 59.90 +38 03 51.5 r H41
2004-06-21 07:12:31 C 16 55 59.39 +38 04 00.8 r H41
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)