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
2019-04-27 12:37:17 C 15 43 11.04 -05 49 49.9 V T08
2019-04-28 01:04:42 C 15 42 41.43 -05 31 34.6 V C95
2019-04-28 01:07:56 C 15 42 41.25 -05 31 29.8 V C95
2019-04-28 01:11:10 C 15 42 41.11 -05 31 24.2 V C95
2019-04-28 01:14:23 C 15 42 41.06 -05 31 20.3 V C95
2019-05-01 10:11:28 C 15 39 08.46 -03 28 54.8 V 703
2019-05-01 10:19:05 C 15 39 08.02 -03 28 42.9 V 703
2019-05-01 10:26:40 C 15 39 07.58 -03 28 31.1 V 703
2019-05-01 11:52:30 C 15 39 03.94 -03 26 15.9 V T08
2019-05-01 12:05:15 C 15 39 03.27 -03 25 56.0 V T08
2019-05-01 12:18:52 C 15 39 02.62 -03 25 34.7 V T08
2019-05-01 12:31:35 C 15 39 01.94 -03 25 15.5 V T08
2019-05-02 08:42:11 C 15 38 04.30 -02 53 59.9 V G96
2019-05-02 08:49:39 C 15 38 03.92 -02 53 48.1 V G96
2019-05-02 08:57:06 C 15 38 03.53 -02 53 36.7 V G96
2019-05-02 09:04:32 C 15 38 03.13 -02 53 25.2 V G96
2019-05-02 18:10:51 C 15 37 36.34 -02 39 11.9 q D29
2019-05-02 18:36:19 C 15 37 35.00 -02 38 31.9 q D29
2019-05-02 19:01:45 C 15 37 33.66 -02 37 52.2 q D29
2019-05-04 17:23:58 C 15 35 12.44 -01 24 43.4 q D29
2019-05-04 17:44:19 C 15 35 11.30 -01 24 11.0 q D29
2019-05-04 18:04:41 C 15 35 10.13 -01 23 38.4 q D29
2019-05-05 09:38:00 C 15 34 20.59 -00 58 52.8 V 703
2019-05-05 09:45:33 C 15 34 20.17 -00 58 39.8 V 703
2019-05-05 09:53:07 C 15 34 19.84 -00 58 28.3 V 703
2019-05-05 10:00:40 C 15 34 19.39 -00 58 15.6 V 703
2019-05-06 15:51:04 C 15 32 42.55 -00 10 28.1 q D29
2019-05-06 16:11:26 C 15 32 41.40 -00 09 55.9 q D29
2019-05-06 16:31:47 C 15 32 40.19 -00 09 22.8 q D29
2019-05-07 11:42:35 C 15 31 35.62 +00 21 31.2 V T05
2019-05-07 11:56:07 C 15 31 34.80 +00 21 52.9 V T05
2019-05-07 12:09:36 C 15 31 33.99 +00 22 14.8 V T05
2019-05-07 12:23:24 C 15 31 33.17 +00 22 36.5 V T05
2019-05-08 09:23:30 C 15 30 21.29 +00 56 26.6 V 703
2019-05-08 09:31:07 C 15 30 20.84 +00 56 38.2 V 703
2019-05-08 09:38:44 C 15 30 20.39 +00 56 50.6 V 703
2019-05-09 10:51:35 C 15 28 52.79 +01 37 38.4 V T08
2019-05-09 10:54:28 C 15 28 52.61 +01 37 43.0 V T08
2019-05-09 11:01:20 C 15 28 52.19 +01 37 54.0 V T08
2019-05-09 11:29:20 C 15 28 50.38 +01 38 39.4 V T08
2019-05-09 20:46:33 C 15 28 17.99 +01 53 35.2 o L52
2019-05-09 20:48:08 C 15 28 17.88 +01 53 35.3 o L52
2019-05-09 20:49:42 C 15 28 17.86 +01 53 39.5 o L52
2019-05-10 09:08:54 C 15 27 34.20 +02 13 56.3 q E89
2019-05-10 09:34:54 C 15 27 32.56 +02 14 38.0 q E89
2019-05-10 11:13:49 C 15 27 25.96 +02 17 01.1 V T05
2019-05-10 11:19:52 C 15 27 25.56 +02 17 10.9 V T05
2019-05-10 11:33:00 C 15 27 24.71 +02 17 31.9 V T05
2019-05-10 11:53:42 C 15 27 23.40 +02 18 05.7 V T05
2019-05-10 11:55:01 C 15 27 23.32 +02 18 07.6 V T05
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)