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
2004-10-23 11:22:19 C 00 13 59.54 +02 10 14.8 r 379
2004-10-23 11:23:28 C 00 14 00.05 +02 10 04.7 r 379
2004-10-23 11:26:56 C 00 14 01.54 +02 09 34.0 r 379
2004-10-23 11:28:05 C 00 14 02.04 +02 09 24.2 r 379
2004-10-23 11:35:58 C 00 14 05.51 +02 08 14.3 r 379
2004-10-23 11:37:07 C 00 14 05.98 +02 08 03.7 r 379
2004-10-23 11:39:26 C 00 14 07.01 +02 07 43.8 r 379
2004-10-23 11:41:43 C 00 14 08.00 +02 07 23.5 r 379
2004-10-23 11:44:01 C 00 14 09.03 +02 07 02.6 r 379
2004-10-23 18:42:05 C 00 17 22.59 +01 05 53.8 r J87
2004-10-23 18:47:14 C 00 17 24.84 +01 05 09.2 r J87
2004-10-23 18:52:58 C 00 17 27.32 +01 04 20.0 r J87
2004-10-23 18:58:42 C 00 17 29.80 +01 03 30.4 r J87
2004-11-01 13:05:45 C 01 25 52.22 -18 53 46.9 r 379
2004-11-01 13:12:21 C 01 25 53.57 -18 54 08.7 r 379
2004-11-01 13:14:00 C 01 25 53.90 -18 54 14.2 r 379
2004-11-01 13:20:36 C 01 25 55.33 -18 54 35.8 r 379
2004-11-02 13:05:51 C 01 31 08.49 -20 09 05.7 r 379
2004-11-02 13:09:08 C 01 31 09.13 -20 09 15.3 r 379
2004-11-02 13:10:48 C 01 31 09.43 -20 09 20.0 r 379
2004-11-02 13:12:26 C 01 31 09.75 -20 09 25.0 r 379
2004-11-03 13:45:10 C 01 36 09.65 -21 17 44.5 m 355
2004-11-03 13:48:25 C 01 36 10.25 -21 17 53.1 m 355
2004-11-03 13:50:34 C 01 36 10.60 -21 17 59.0 m 355
2004-11-03 13:52:43 C 01 36 10.98 -21 18 04.3 m 355
2004-11-03 14:14:02 C 01 36 14.94 -21 18 59.4 r 379
2004-11-03 14:15:40 C 01 36 15.24 -21 19 03.6 r 379
2004-11-03 14:20:37 C 01 36 16.13 -21 19 16.4 r 379
2004-11-03 14:22:17 C 01 36 16.46 -21 19 20.3 r 379
2004-11-03 14:25:35 C 01 36 17.01 -21 19 28.9 r 379
2004-11-04 12:38:40 C 01 40 32.25 -22 14 24.0 r 379
2004-11-04 12:45:07 C 01 40 33.39 -22 14 38.8 r 379
2004-11-04 12:47:17 C 01 40 33.72 -22 14 43.8 r 379
2004-11-04 12:51:34 C 01 40 34.45 -22 14 53.6 r 379
2004-11-05 04:41:50 C 01 43 25.69 -22 50 27.4 15.7 c 704
2004-11-05 04:59:09 C 01 43 28.38 -22 51 05.0 16.1 c 704
2004-11-05 05:16:28 C 01 43 31.37 -22 51 42.3 15.7 c 704
2004-11-05 05:33:48 C 01 43 33.98 -22 52 19.9 15.9 c 704
2004-11-05 05:51:06 C 01 43 36.72 -22 52 57.5 15.7 c 704
2004-11-06 12:38:53 C 01 48 48.19 -23 54 13.7 r 379
2004-11-06 12:43:12 C 01 48 48.85 -23 54 21.1 r 379
2004-11-06 12:45:20 C 01 48 49.08 -23 54 25.5 r 379
2004-11-06 12:51:47 C 01 48 50.06 -23 54 37.6 r 379
2004-11-07 05:52:24 C 01 51 30.60 -24 24 35.1 15.3 c 644
2004-11-07 06:20:44 C 01 51 34.53 -24 25 23.0 15.3 c 644
2004-11-07 07:08:00 C 01 51 41.08 -24 26 42.2 15.2 c 644
2004-11-16 13:51:28 C 02 18 07.94 -28 01 55.8 r E12
2004-11-16 14:06:23 C 02 18 09.19 -28 02 02.0 r E12
2004-11-16 14:21:23 C 02 18 10.41 -28 02 08.2 r E12
2004-11-16 14:36:23 C 02 18 11.68 -28 02 14.2 r E12
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)