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
2019-10-25 23:18:24 C 01 52 52.11 +25 45 49.8 – q 160
2019-10-25 23:30:00 C 01 52 57.10 +25 41 26.0 – V C47
2019-10-25 23:35:43 C 01 52 59.89 +25 39 24.2 – V C47
2019-10-25 23:41:28 C 01 53 02.64 +25 37 22.6 – V C47
2019-10-25 23:47:11 C 01 53 05.42 +25 35 21.0 – V C47
2019-10-25 23:52:54 C 01 53 08.19 +25 33 19.4 – V C47
2019-10-25 23:58:39 C 01 53 10.96 +25 31 17.7 – V C47
2019-10-26 00:04:23 C 01 53 13.74 +25 29 16.1 – V C47
2019-10-26 00:10:06 C 01 53 16.51 +25 27 14.2 – V C47
2019-10-26 00:16:58 C 01 53 20.24 +25 25 05.8 – V 104
2019-10-26 02:09:11 C 01 54 14.31 +24 45 16.0 – V 104
2019-10-26 11:29:40 C 01 58 59.560 +21 30 07.55 – U F51
2019-10-26 12:01:12 C 01 59 13.182 +21 19 02.28 – U F51
2019-10-26 12:16:59 C 01 59 20.028 +21 13 29.16 – U F51
2019-10-26 16:42:14 C 02 01 44.22 +19 39 24.7 – V C40
2019-10-26 16:42:26 C 02 01 44.31 +19 39 20.5 – V C40
2019-10-26 16:42:38 C 02 01 44.41 +19 39 16.3 – V C40
2019-10-26 16:42:50 C 02 01 44.50 +19 39 12.1 – V C40
2019-10-26 16:43:03 C 02 01 44.60 +19 39 07.7 – V C40
2019-10-26 16:52:12 C 02 01 48.73 +19 35 59.1 – V C40
2019-10-26 17:29:46 C 02 02 05.52 +19 23 05.1 – V C40
2019-10-26 17:30:23 C 02 02 05.79 +19 22 52.3 – V C40
2019-10-26 17:37:32 C 02 02 11.54 +19 20 17.4 – q K73
2019-10-26 17:38:09 C 02 02 09.23 +19 20 12.7 – V C40
2019-10-26 17:38:34 C 02 02 09.40 +19 20 04.0 – V C40
2019-10-26 17:38:46 C 02 02 09.50 +19 19 59.9 – V C40
2019-10-26 17:40:19 C 02 02 12.86 +19 19 19.6 – q K73
2019-10-26 18:39:03 C 02 02 35.74 +18 59 17.7 – V C40
2019-10-26 18:39:15 C 02 02 35.83 +18 59 13.5 – V C40
2019-10-26 18:39:27 C 02 02 35.92 +18 59 09.3 – V C40
2019-10-26 18:39:52 C 02 02 36.10 +18 59 00.8 – V C40
2019-10-26 18:50:41 n 02 02 45.30 +18 55 03.3 – q 619
2019-10-26 18:56:04 n 02 02 47.70 +18 53 13.3 – q 619
2019-10-26 19:00:55 C 02 02 48.87 +18 51 33.4 – V K83
2019-10-26 19:01:17 C 02 02 45.27 +18 51 39.6 – V C40
2019-10-26 19:01:29 C 02 02 45.35 +18 51 35.4 – V C40
2019-10-26 19:01:41 C 02 02 45.44 +18 51 31.2 – V C40
2019-10-26 19:01:49 C 02 02 49.25 +18 51 15.2 – V K83
2019-10-26 19:01:53 C 02 02 45.52 +18 51 27.0 – V C40
2019-10-26 19:02:41 C 02 02 49.63 +18 50 57.3 – V K83
2019-10-26 19:03:26 C 02 02 49.83 +18 50 53.2 – q K73
2019-10-26 19:04:45 n 02 02 51.61 +18 50 14.9 – q 619
2019-10-26 19:09:01 C 02 02 48.56 +18 49 00.1 – V C40
2019-10-26 19:09:38 C 02 02 48.82 +18 48 47.5 – V C40
2019-10-26 19:09:47 n 02 02 53.85 +18 48 31.7 – q 619
2019-10-26 19:39:37 C 02 03 01.51 +18 38 29.2 – V C40
2019-10-26 19:59:54 C 02 03 10.04 +18 31 31.0 – V C40
2019-10-26 20:00:13 C 02 03 10.18 +18 31 24.3 – V C40
2019-10-26 20:00:52 C 02 03 10.45 +18 31 11.1 – V C40
2019-10-26 20:01:11 C 02 03 10.59 +18 31 04.5 – 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)