162082 (1998 HL1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1870537926 ± 6.25e-09
Semi-major axis (a)1.2463126196 AU ± 1.11e-09
Inclination (i)20.05270125° ± 2.99e-06
Long. of Asc. Node (Ω)213.52466269° ± 5.75e-07
Arg. of Perihelion (ω)148.66798461° ± 4.65e-06
Mean Anomaly (M)151.55597205° ± 2.45e-06
Mean Motion (n)0.7083889652°/day ± 9.47e-10
Perihelion dist (q)1.01318512 AU ± 7.85e-09
Aphelion dist (Q)1.47944012 AU ± 7.90e-09
Orbital Period1.39136312 yr ± 1.86e-09
Physical Parameters
H (abs. magnitude)19.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.544″
Uncertainty0
Orbit TypeApollo
MOID0.040068 AU
Observations Used2079
Radar Obs Used4
Oppositions6
Arc Total1998-2023
First Observation Used1998-04-18
Last Observation Used2023-12-03
Observations (2821)
Date Type RA Dec Mag Band Observatory
2005-05-03 08:33:50 C 14 16 43.81 -04 47 50.5 19.1 c 704
2005-05-03 08:48:25 C 14 16 42.73 -04 47 19.6 19.4 c 704
2005-05-03 09:04:03 C 14 16 41.64 -04 46 47.1 19.3 c 704
2005-05-03 09:19:15 C 14 16 40.53 -04 46 15.6 19.0 c 704
2005-05-11 06:54:12 C 14 04 44.86 +01 29 39.3 r 703
2005-05-11 07:01:54 C 14 04 44.40 +01 29 54.5 r 703
2005-05-11 07:17:13 C 14 04 43.43 +01 30 23.0 r 703
2005-05-12 21:16:31 C 14 02 34.58 +02 40 28.9 r A30
2005-05-12 21:17:52 C 14 02 34.49 +02 40 31.1 r A30
2005-05-13 07:48:20 C 14 01 59.11 +02 59 36.6 18.8 c 704
2005-05-13 08:01:20 C 14 01 58.39 +02 59 58.9 19.0 c 704
2005-05-13 08:16:16 C 14 01 57.48 +03 00 25.6 19.4 c 704
2005-05-13 08:30:16 C 14 01 56.69 +03 00 51.3 19.6 c 704
2005-05-13 08:44:53 C 14 01 55.83 +03 01 18.1 19.3 c 704
2005-05-14 22:02:07 C 13 59 57.64 +04 07 10.6 r 170
2005-05-14 22:03:19 C 13 59 57.59 +04 07 12.7 r 170
2005-05-14 22:04:59 C 13 59 57.50 +04 07 15.5 r 170
2005-05-26 21:30:03 C 13 48 43.91 +11 07 53.6 o 151
2005-05-26 21:33:38 C 13 48 43.81 +11 07 58.1 o 151
2005-05-26 21:35:10 C 13 48 43.75 +11 08 00.1 o 151
2005-05-28 21:06:02 C 13 47 37.53 +12 02 05.6 o 151
2005-05-28 21:09:37 C 13 47 37.42 +12 02 09.4 o 151
2005-05-28 21:10:08 C 13 47 37.39 +12 02 09.8 o 151
2005-05-28 21:11:09 C 13 47 37.35 +12 02 10.4 o 151
2005-05-28 21:27:23 C 13 47 37.00 +12 02 30.4 r 941
2005-05-28 21:28:34 C 13 47 36.97 +12 02 31.6 r 941
2005-05-28 21:29:44 C 13 47 36.95 +12 02 32.6 r 941
2005-05-28 21:30:54 C 13 47 36.92 +12 02 33.8 r 941
2005-05-28 21:32:04 C 13 47 36.90 +12 02 34.9 r 941
2005-05-30 06:54:33 C 13 46 57.57 +12 38 01.9 r 703
2005-05-30 07:03:54 C 13 46 57.43 +12 38 10.8 r 703
2005-05-30 07:13:06 C 13 46 57.18 +12 38 20.2 r 703
2005-05-30 07:22:22 C 13 46 57.07 +12 38 30.0 r 703
2008-05-15 10:13:20 C 22 08 34.47 +15 05 52.5 r G96
2008-05-15 10:19:48 C 22 08 35.44 +15 06 01.5 r G96
2008-05-15 10:26:23 C 22 08 36.31 +15 06 10.2 r G96
2008-05-15 10:32:46 C 22 08 37.35 +15 06 19.9 r G96
2012-04-07 05:41:58 C 16 27 48.73 -20 01 34.5 o 807
2012-04-07 05:53:50 C 16 27 49.02 -20 01 20.8 o 807
2012-04-07 06:05:41 C 16 27 49.29 -20 01 07.1 o 807
2012-04-23 10:59:39 C 16 30 40.57 -10 15 18.8 r 703
2012-04-23 11:05:20 C 16 30 40.46 -10 15 08.2 r 703
2012-04-23 11:10:59 C 16 30 40.39 -10 14 57.9 r 703
2012-04-23 11:16:45 C 16 30 40.24 -10 14 47.3 r 703
2012-04-27 23:34:03 C 16 28 41.77 -06 43 28.1 u C73
2012-04-27 23:35:13 C 16 28 41.73 -06 43 25.8 u C73
2012-04-27 23:36:23 C 16 28 41.69 -06 43 23.4 u C73
2012-04-27 23:37:32 C 16 28 41.68 -06 43 21.6 u C73
2012-04-27 23:38:42 C 16 28 41.64 -06 43 18.6 u C73
2012-04-27 23:39:51 C 16 28 41.60 -06 43 16.3 u C73
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-10-25 03:44:00 41592955.7 4 us 2380 -1 -1
2019-10-26 04:26:00 41536962.8 0.4 us 2380 -1 -1
2019-10-26 05:12:00 -15753.3965 0.14 Hz 2380 -1 -1
2019-10-27 05:09:00 42561492 0.4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)