IAA RAS IAA Minor Planet Database

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
2019-10-14 07:32:09 C 20 40 19.28 +73 02 52.4 – V T08
2019-10-14 07:36:20 C 20 40 23.87 +73 02 50.6 – V T08
2019-10-14 07:45:44 C 20 40 34.14 +73 02 46.2 – V T08
2019-10-15 02:40:35 C 21 04 00.14 +72 52 27.6 – u H21
2019-10-15 02:43:04 C 21 04 03.17 +72 52 25.2 – u H21
2019-10-15 02:45:08 C 21 04 05.67 +72 52 23.3 – u H21
2019-10-15 02:47:11 C 21 04 08.12 +72 52 21.2 – u H21
2019-10-15 02:49:15 C 21 04 10.66 +72 52 19.3 – u H21
2019-10-15 02:51:19 C 21 04 13.18 +72 52 17.3 – u H21
2019-10-15 02:53:24 C 21 04 15.67 +72 52 15.2 – u H21
2019-10-15 02:55:28 C 21 04 18.19 +72 52 13.2 – u H21
2019-10-15 02:57:32 C 21 04 20.70 +72 52 11.1 – u H21
2019-10-15 02:59:36 C 21 04 23.19 +72 52 09.1 – u H21
2019-10-15 03:01:40 C 21 04 25.71 +72 52 07.0 – u H21
2019-10-15 03:03:44 C 21 04 28.22 +72 52 04.9 – u H21
2019-10-15 03:05:48 C 21 04 30.74 +72 52 02.9 – u H21
2019-10-15 03:07:52 C 21 04 33.24 +72 52 00.8 – u H21
2019-10-15 03:10:04 C 21 04 35.94 +72 51 58.5 – u H21
2019-10-15 20:01:19 C 21 27 13.07 +72 31 43.1 – V Z80
2019-10-15 20:04:39 C 21 27 17.48 +72 31 38.0 – V Z80
2019-10-15 20:07:58 C 21 27 21.89 +72 31 32.6 – V Z80
2019-10-15 20:11:19 C 21 27 26.18 +72 31 27.2 – V Z80
2019-10-15 20:14:04 C 21 27 29.82 +72 31 23.1 – V Z80
2019-10-16 10:52:37 C 21 47 42.77 +72 03 18.6 – V T05
2019-10-16 10:57:17 C 21 47 49.26 +72 03 06.0 – V T05
2019-10-16 11:48:00 C 21 49 00.18 +72 00 47.0 – V T05
2019-10-16 20:32:10 C 22 02 00.10 +71 38 50.5 – V Z80
2019-10-16 20:33:50 C 22 02 02.46 +71 38 45.6 – V Z80
2019-10-16 20:34:50 n 22 02 04.12 +71 38 38.3 – q Z92
2019-10-16 20:35:31 C 22 02 04.67 +71 38 40.8 – V Z80
2019-10-16 20:37:10 C 22 02 07.02 +71 38 36.3 – V Z80
2019-10-16 20:38:51 C 22 02 09.40 +71 38 32.4 – V Z80
2019-10-16 20:40:31 C 22 02 11.66 +71 38 27.0 – V Z80
2019-10-16 20:42:10 C 22 02 13.86 +71 38 22.0 – V Z80
2019-10-16 20:43:51 C 22 02 16.28 +71 38 17.0 – V Z80
2019-10-16 20:46:21 C 22 02 19.70 +71 38 10.1 – V Z80
2019-10-16 20:49:41 C 22 02 24.30 +71 38 00.6 – V Z80
2019-10-16 20:54:33 n 22 02 31.49 +71 37 42.1 – q Z92
2019-10-16 21:15:28 n 22 03 00.57 +71 36 41.1 – q Z92
2019-10-17 19:33:13 C 22 35 48.84 +70 16 40.2 – V Z80
2019-10-17 19:35:53 C 22 35 52.74 +70 16 28.4 – V Z80
2019-10-17 19:38:23 C 22 35 56.29 +70 16 17.6 – V Z80
2019-10-17 19:40:53 C 22 35 59.77 +70 16 07.1 – V Z80
2019-10-17 19:43:24 C 22 36 03.25 +70 15 56.5 – V Z80
2019-10-17 19:45:04 C 22 36 05.56 +70 15 49.2 – V Z80
2019-10-17 19:49:53 C 22 36 12.28 +70 15 28.9 – V Z80
2019-10-17 19:51:42 C 22 36 14.89 +70 15 20.7 – V Z80
2019-10-17 19:55:08 C 22 36 19.65 +70 15 06.1 – V Z80
2019-10-17 19:56:18 C 22 36 21.26 +70 15 01.0 – V Z80
2019-10-17 19:58:18 C 22 36 24.09 +70 14 52.4 – V Z80
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)