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
1998-05-19 21:47:12 C 12 26 44.04 +03 46 59.4 557
1998-06-13 05:40:31 C 12 45 20.49 +10 10 34.5 658
1998-06-13 05:50:53 C 12 45 20.87 +10 10 38.3 658
1998-06-13 06:00:50 C 12 45 21.43 +10 10 41.6 658
1998-06-26 03:37:14 C 13 03 07.16 +11 15 02.6 z 711
1998-06-26 03:56:59 C 13 03 08.40 +11 15 04.3 z 711
1998-06-27 03:10:38 C 13 04 38.54 +11 17 09.2 z 711
1998-06-27 03:29:33 C 13 04 39.71 +11 17 10.7 z 711
1998-07-27 04:16:53 C 14 00 14.71 +10 12 03.5 a 696
1998-07-27 04:19:29 C 14 00 14.95 +10 12 03.8 a 696
1998-07-27 04:22:17 C 14 00 15.19 +10 12 03.2 a 696
2001-06-19 03:09:53 C 23 12 02.64 +37 26 44.5 493
2001-06-19 03:11:00 C 23 12 02.83 +37 26 46.1 493
2001-06-19 03:12:02 C 23 12 03.01 +37 26 47.5 493
2001-06-19 03:15:09 C 23 12 03.52 +37 26 51.9 493
2001-06-19 03:16:11 C 23 12 03.69 +37 26 53.4 493
2001-06-19 03:17:15 C 23 12 03.87 +37 26 55.2 493
2001-06-20 01:13:45 C 23 15 49.76 +37 57 53.0 493
2001-06-20 01:16:20 C 23 15 50.17 +37 57 56.3 493
2001-11-15 08:17:06 C 08 49 09.62 -14 46 06.2 d 829
2001-11-15 08:27:04 C 08 49 10.02 -14 46 23.9 d 829
2001-12-20 06:24:32 C 09 02 09.43 -34 20 01.9 d 829
2001-12-20 07:23:01 C 09 02 07.70 -34 21 02.1 d 829
2001-12-21 06:37:02 C 09 01 32.49 -34 44 35.8 d 829
2001-12-21 07:28:31 C 09 01 30.85 -34 45 27.9 d 829
2002-01-12 15:44:14 C 08 33 24.62 -40 14 56.4 e 413
2005-03-24 13:23:11 C 14 58 01.98 -28 59 45.3 F65
2005-03-24 13:25:17 C 14 58 02.04 -28 59 44.6 F65
2005-03-24 13:27:21 C 14 58 02.00 -28 59 42.2 F65
2005-04-14 08:24:56 C 14 45 13.06 -19 25 49.3 r 703
2005-04-14 08:37:18 C 14 45 12.41 -19 25 30.2 r 703
2005-04-14 08:49:43 C 14 45 11.73 -19 25 09.1 r 703
2005-04-14 09:02:14 C 14 45 11.06 -19 24 48.2 r 703
2005-04-18 08:01:29 C 14 40 02.52 -16 42 41.8 18.8 c 704
2005-04-18 08:14:53 C 14 40 01.61 -16 42 18.6 18.7 c 704
2005-04-18 08:28:00 C 14 40 00.75 -16 41 54.3 18.9 c 704
2005-04-18 08:41:08 C 14 39 59.98 -16 41 31.5 18.7 c 704
2005-04-20 09:42:07 C 14 37 06.64 -15 11 52.9 o 608
2005-04-20 09:57:10 C 14 37 05.64 -15 11 24.9 o 608
2005-04-20 10:12:06 C 14 37 04.66 -15 10 57.1 o 608
2005-04-28 14:30:21 C 14 24 23.00 -08 42 39.5 r 428
2005-04-28 14:32:46 C 14 24 22.80 -08 42 34.3 r 428
2005-04-28 14:35:11 C 14 24 22.74 -08 42 28.9 r 428
2005-05-01 20:47:41 C 14 19 08.21 -06 01 36.9 o 151
2005-05-01 20:50:40 C 14 19 07.97 -06 01 30.4 o 151
2005-05-01 20:51:58 C 14 19 07.88 -06 01 27.8 o 151
2005-05-01 20:52:49 C 14 19 07.84 -06 01 26.1 o 151
2005-05-01 22:02:54 C 14 19 02.85 -05 59 00.3 r A13
2005-05-01 22:21:53 C 14 19 01.50 -05 58 20.9 r A13
2005-05-01 22:25:41 C 14 19 01.23 -05 58 13.0 r A13
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)