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
2004-10-17 21:23:57 C 22 58 07.80 +24 43 25.9 d 565
2004-10-17 21:25:05 C 22 58 08.53 +24 43 14.3 d 565
2004-10-17 21:26:13 C 22 58 09.21 +24 43 03.0 d 565
2004-10-17 21:27:40 C 22 58 10.16 +24 42 47.8 d 565
2004-10-17 21:28:48 C 22 58 10.89 +24 42 36.1 d 565
2004-10-17 21:29:57 C 22 58 11.62 +24 42 24.2 d 565
2004-10-17 21:31:03 C 22 58 12.35 +24 42 12.7 d 565
2004-10-17 21:32:11 C 22 58 13.06 +24 42 01.0 d 565
2004-10-17 21:33:20 C 22 58 13.78 +24 41 49.5 d 565
2004-10-17 21:34:28 C 22 58 14.51 +24 41 37.7 d 565
2004-10-18 03:38:46 C 23 02 15.48 +23 39 36.7 r 452
2004-10-18 03:40:14 C 23 02 16.51 +23 39 20.8 r 452
2004-10-18 05:27:48 C 23 03 23.82 +23 20 35.2 r 452
2004-10-18 05:29:15 C 23 03 24.76 +23 20 19.9 r 452
2004-10-18 06:01:03 C 23 03 44.77 +23 14 44.1 r 452
2004-10-18 10:38:51 C 23 06 54.97 +22 26 22.4 r 379
2004-10-18 10:39:59 C 23 06 55.78 +22 26 11.3 r 379
2004-10-18 10:56:17 C 23 07 05.71 +22 23 20.8 r 379
2004-10-18 10:59:45 C 23 07 07.86 +22 22 45.2 r 379
2004-10-18 11:04:29 C 23 07 10.79 +22 21 55.5 r 379
2004-10-18 11:06:46 C 23 07 12.20 +22 21 31.7 r 379
2004-10-18 11:09:04 C 23 07 13.63 +22 21 07.9 r 379
2004-10-18 11:10:14 C 23 07 14.31 +22 20 56.2 r 379
2004-10-18 18:41:21 C 23 12 05.42 +21 01 25.7 c 127
2004-10-18 18:46:35 C 23 12 08.66 +21 00 31.0 c 127
2004-10-18 18:51:34 C 23 12 11.72 +20 59 38.6 c 127
2004-10-18 18:53:38 C 23 12 13.03 +20 59 17.4 c 127
2004-10-18 18:55:41 C 23 12 14.30 +20 58 56.1 c 127
2004-10-19 04:48:38 C 23 18 22.44 +19 15 10.1 r H41
2004-10-19 04:50:57 C 23 18 23.82 +19 14 45.3 r H41
2004-10-19 04:52:00 C 23 18 24.42 +19 14 34.4 r H41
2004-10-19 04:53:12 C 23 18 25.16 +19 14 21.4 r H41
2004-10-19 04:55:05 C 23 18 26.27 +19 14 01.3 r H41
2004-10-19 04:55:37 C 23 18 26.59 +19 13 55.8 r H41
2004-10-21 11:04:38 C 23 49 54.21 +09 49 33.1 r 379
2004-10-21 11:05:47 C 23 49 54.81 +09 49 21.1 r 379
2004-10-21 11:06:57 C 23 49 55.38 +09 49 09.6 r 379
2004-10-21 11:08:06 C 23 49 55.96 +09 48 58.3 r 379
2004-10-21 11:11:32 C 23 49 57.70 +09 48 23.6 r 379
2004-10-21 11:12:41 C 23 49 58.32 +09 48 11.8 r 379
2004-10-21 11:13:50 C 23 49 58.86 +09 48 00.7 r 379
2004-10-21 11:17:18 C 23 50 00.64 +09 47 25.7 r 379
2004-10-21 13:08:06 C 23 50 56.76 +09 28 52.3 r 379
2004-10-21 13:10:24 C 23 50 57.93 +09 28 29.4 r 379
2004-10-21 13:11:34 C 23 50 58.51 +09 28 17.9 r 379
2004-10-21 13:12:43 C 23 50 59.10 +09 28 06.3 r 379
2004-10-21 13:13:52 C 23 50 59.69 +09 27 54.4 r 379
2004-10-21 13:15:00 C 23 51 00.23 +09 27 43.1 r 379
2004-10-21 13:16:09 C 23 51 00.85 +09 27 31.2 r 379
2004-10-21 13:17:18 C 23 51 01.42 +09 27 20.2 r 379
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)