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
2004-10-15 12:29:31 C 22 18 17.20 +33 49 34.1 m 355
2004-10-15 19:32:44 C 22 23 26.41 +32 46 38.9 c 639
2004-10-15 19:36:45 C 22 23 29.20 +32 46 02.8 c 639
2004-10-15 19:41:52 C 22 23 32.77 +32 45 16.8 c 639
2004-10-15 19:46:48 C 22 23 36.20 +32 44 32.7 c 639
2004-10-15 19:48:22 C 22 23 35.92 +32 44 00.2 o 084
2004-10-15 19:59:21 C 22 23 44.93 +32 42 39.9 c 639
2004-10-15 20:05:38 C 22 23 49.30 +32 41 43.6 c 639
2004-10-15 20:10:30 C 22 23 52.69 +32 40 59.7 c 639
2004-10-15 20:15:31 C 22 23 56.18 +32 40 14.5 c 639
2004-10-15 23:11:45 V 22 26 00.12 +32 14 00.5 r 247
2004-10-15 23:11:45 v 1 352.3781 +37.8294 247
2004-10-16 00:04:33 V 22 26 36.66 +32 05 53.7 r 247
2004-10-16 00:04:33 v 1 352.3781 +37.8294 247
2004-10-16 10:49:20 C 22 34 23.06 +30 26 18.3 m 379
2004-10-16 10:50:28 C 22 34 23.81 +30 26 07.3 m 379
2004-10-16 10:53:55 C 22 34 26.14 +30 25 35.1 m 379
2004-10-16 10:56:14 C 22 34 27.70 +30 25 13.2 m 379
2004-10-16 10:59:40 C 22 34 30.02 +30 24 40.8 m 379
2004-10-16 11:00:49 C 22 34 30.81 +30 24 30.2 m 379
2004-10-16 11:06:40 C 22 34 34.76 +30 23 34.7 m 379
2004-10-16 11:08:58 C 22 34 36.31 +30 23 13.3 m 379
2004-10-16 11:10:07 C 22 34 37.07 +30 23 02.7 m 379
2004-10-16 11:12:26 C 22 34 38.63 +30 22 40.3 m 379
2004-10-16 11:13:35 C 22 34 39.40 +30 22 29.7 m 379
2004-10-16 11:15:52 C 22 34 40.95 +30 22 08.3 m 379
2004-10-16 11:17:01 C 22 34 41.72 +30 21 57.3 m 379
2004-10-16 14:30:38 C 22 36 52.23 +29 50 59.3 m 355
2004-10-16 14:31:54 C 22 36 53.10 +29 50 46.7 m 355
2004-10-16 14:33:26 C 22 36 54.14 +29 50 31.8 m 355
2004-10-16 14:35:51 C 22 36 55.80 +29 50 08.1 m 355
2004-10-17 12:03:40 C 22 51 51.85 +26 18 59.1 r 379
2004-10-17 12:04:47 C 22 51 52.59 +26 18 47.5 r 379
2004-10-17 12:07:05 C 22 51 54.08 +26 18 24.4 r 379
2004-10-17 12:08:15 C 22 51 54.80 +26 18 13.0 r 379
2004-10-17 12:09:24 C 22 51 55.57 +26 18 00.7 r 379
2004-10-17 12:15:08 C 22 51 59.25 +26 17 03.1 r 379
2004-10-17 12:16:18 C 22 52 00.00 +26 16 51.3 r 379
2004-10-17 13:12:08 C 22 52 35.96 +26 07 22.1 m 355
2004-10-17 13:15:09 C 22 52 37.90 +26 06 51.5 m 355
2004-10-17 13:16:34 C 22 52 38.84 +26 06 36.7 m 355
2004-10-17 13:17:51 C 22 52 39.68 +26 06 23.5 m 355
2004-10-17 13:19:09 C 22 52 40.49 +26 06 10.7 m 355
2004-10-17 21:16:03 C 22 58 02.74 +24 44 47.6 d 565
2004-10-17 21:17:09 C 22 58 03.43 +24 44 36.4 d 565
2004-10-17 21:18:18 C 22 58 04.25 +24 44 23.9 d 565
2004-10-17 21:19:26 C 22 58 04.88 +24 44 12.9 d 565
2004-10-17 21:20:33 C 22 58 05.62 +24 44 01.2 d 565
2004-10-17 21:21:42 C 22 58 06.36 +24 43 49.3 d 565
2004-10-17 21:22:50 C 22 58 07.05 +24 43 38.0 d 565
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)