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
2019-10-22 15:59:06 C 00 58 10.33 +51 17 39.9 – V C40
2019-10-22 15:59:42 C 00 58 10.84 +51 17 30.8 – V C40
2019-10-22 16:00:18 C 00 58 11.37 +51 17 21.2 – V C40
2019-10-22 16:02:07 C 00 58 12.93 +51 16 53.0 – V C40
2019-10-22 16:02:43 C 00 58 13.45 +51 16 43.7 – V C40
2019-10-22 16:03:19 C 00 58 13.97 +51 16 34.2 – V C40
2019-10-22 16:04:31 C 00 58 14.99 +51 16 15.6 – V C40
2019-10-22 16:06:20 C 00 58 16.56 +51 15 47.4 – V C40
2019-10-22 16:06:56 C 00 58 17.07 +51 15 38.0 – V C40
2019-10-22 16:07:32 C 00 58 17.58 +51 15 28.6 – V C40
2019-10-22 16:08:08 C 00 58 18.11 +51 15 19.1 – V C40
2019-10-22 16:08:44 C 00 58 18.62 +51 15 09.8 – V C40
2019-10-22 16:09:57 C 00 58 19.65 +51 14 51.0 – V C40
2019-10-22 16:10:33 C 00 58 20.18 +51 14 41.6 – V C40
2019-10-22 16:11:09 C 00 58 20.70 +51 14 32.2 – V C40
2019-10-22 16:11:45 C 00 58 21.21 +51 14 22.8 – V C40
2019-10-22 16:12:22 C 00 58 21.74 +51 14 13.3 – V C40
2019-10-22 16:12:58 C 00 58 22.26 +51 14 03.9 – V C40
2019-10-22 16:17:37 C 00 58 26.25 +51 12 51.1 – V C40
2019-10-22 16:18:14 C 00 58 26.74 +51 12 41.8 – V C40
2019-10-22 16:18:50 C 00 58 27.26 +51 12 32.3 – V C40
2019-10-22 16:19:26 C 00 58 27.78 +51 12 22.8 – V C40
2019-10-22 16:20:02 C 00 58 28.29 +51 12 13.5 – V C40
2019-10-22 16:21:15 C 00 58 29.33 +51 11 54.6 – V C40
2019-10-22 16:21:51 C 00 58 29.85 +51 11 45.3 – V C40
2019-10-22 16:23:39 C 00 58 31.40 +51 11 16.9 – V C40
2019-10-22 16:24:16 C 00 58 31.90 +51 11 07.5 – V C40
2019-10-22 16:24:52 C 00 58 32.43 +51 10 57.9 – V C40
2019-10-22 16:25:28 C 00 58 32.95 +51 10 48.5 – V C40
2019-10-22 16:27:17 C 00 58 34.48 +51 10 20.2 – V C40
2019-10-22 16:27:53 C 00 58 35.00 +51 10 10.8 – V C40
2019-10-22 16:28:29 C 00 58 35.51 +51 10 01.3 – V C40
2019-10-22 16:30:14 C 00 58 37.00 +51 09 34.0 – V C40
2019-10-22 16:30:50 C 00 58 37.52 +51 09 24.6 – V C40
2019-10-22 16:32:02 C 00 58 38.55 +51 09 05.8 – V C40
2019-10-22 16:33:51 C 00 58 40.10 +51 08 37.3 – V C40
2019-10-22 16:34:27 C 00 58 40.60 +51 08 27.9 – V C40
2019-10-22 16:35:03 C 00 58 41.11 +51 08 18.5 – V C40
2019-10-22 16:35:39 C 00 58 41.62 +51 08 09.1 – V C40
2019-10-22 16:36:16 C 00 58 42.14 +51 07 59.5 – V C40
2019-10-22 16:36:52 C 00 58 42.65 +51 07 50.1 – V C40
2019-10-22 16:38:40 C 00 58 44.16 +51 07 21.9 – V C40
2019-10-22 16:39:16 C 00 58 44.68 +51 07 12.4 – V C40
2019-10-22 16:39:53 C 00 58 45.21 +51 07 02.8 – V C40
2019-10-22 16:41:05 C 00 58 46.24 +51 06 44.0 – V C40
2019-10-22 16:41:41 C 00 58 46.74 +51 06 34.6 – V C40
2019-10-22 16:43:25 C 00 58 48.21 +51 06 07.5 – V C40
2019-10-22 16:44:01 C 00 58 48.72 +51 05 57.9 – V C40
2019-10-22 16:44:37 C 00 58 49.23 +51 05 48.5 – V C40
2019-10-22 16:45:14 C 00 58 49.75 +51 05 39.1 – V C40
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)