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
2019-10-18 08:07:56 C 22 53 58.58 +69 16 56.1 – V T08
2019-10-18 08:13:14 C 22 54 05.68 +69 16 27.4 – V T08
2019-10-18 08:21:52 C 22 54 17.27 +69 15 40.4 – V T08
2019-10-18 08:36:29 C 22 54 36.87 +69 14 20.3 – V T08
2019-10-18 19:00:27 C 23 09 36.27 +68 13 13.9 – V 089
2019-10-18 19:03:50 C 23 09 40.83 +68 12 52.8 – V 089
2019-10-18 19:07:14 C 23 09 45.36 +68 12 31.6 – V 089
2019-10-18 19:10:37 C 23 09 49.88 +68 12 10.6 – V 089
2019-10-18 19:13:59 C 23 09 54.39 +68 11 49.3 – V 089
2019-10-18 19:15:53 C 23 10 08.05 +68 11 40.1 – q I89
2019-10-18 19:17:22 C 23 09 58.90 +68 11 28.3 – V 089
2019-10-18 19:20:28 C 23 10 14.92 +68 11 09.6 – q I89
2019-10-18 19:20:45 C 23 10 03.44 +68 11 06.9 – V 089
2019-10-18 19:22:34 C 23 10 16.88 +68 11 01.2 – q I89
2019-10-18 19:24:08 C 23 10 07.96 +68 10 45.7 – V 089
2019-10-18 19:26:35 C 23 10 22.23 +68 10 36.8 – q I89
2019-10-18 19:27:31 C 23 10 12.46 +68 10 24.4 – V 089
2019-10-18 19:30:54 C 23 10 16.98 +68 10 03.2 – V 089
2019-10-19 15:16:37 C 23 37 36.05 +65 48 37.1 – q C97
2019-10-19 15:18:08 C 23 37 38.07 +65 48 24.1 – q C97
2019-10-19 15:19:39 C 23 37 39.90 +65 48 12.5 – q C97
2019-10-19 15:21:10 C 23 37 41.80 +65 48 00.8 – q C97
2019-10-19 15:22:40 C 23 37 43.98 +65 47 46.5 – q C97
2019-10-19 15:24:12 C 23 37 45.86 +65 47 34.9 – q C97
2019-10-19 15:25:44 C 23 37 47.76 +65 47 23.0 – q C97
2019-10-19 15:27:15 C 23 37 49.29 +65 47 14.3 – q C97
2019-10-19 15:28:46 C 23 37 51.26 +65 47 02.1 – q C97
2019-10-19 15:30:17 C 23 37 53.03 +65 46 50.9 – q C97
2019-10-19 15:31:48 C 23 37 55.18 +65 46 36.5 – q C97
2019-10-19 15:33:21 C 23 37 57.07 +65 46 25.3 – q C97
2019-10-19 15:45:08 C 23 38 13.25 +65 43 46.1 – V C40
2019-10-19 15:45:39 C 23 38 13.95 +65 43 41.9 – V C40
2019-10-19 15:46:10 C 23 38 14.60 +65 43 37.9 – V C40
2019-10-19 15:46:47 C 23 38 15.37 +65 43 33.4 – V C40
2019-10-19 15:47:47 C 23 38 16.65 +65 43 25.5 – V C40
2019-10-19 15:48:48 C 23 38 17.94 +65 43 17.5 – V C40
2019-10-19 15:58:00 C 23 38 29.61 +65 42 05.6 – V C40
2019-10-19 15:59:00 C 23 38 30.89 +65 41 57.3 – V C40
2019-10-19 16:00:02 C 23 38 32.17 +65 41 49.6 – V C40
2019-10-19 16:01:03 C 23 38 33.49 +65 41 41.5 – V C40
2019-10-19 16:03:06 C 23 38 36.09 +65 41 25.2 – V C40
2019-10-19 16:28:44 C 23 39 08.49 +65 38 02.4 – V C40
2019-10-19 16:29:46 C 23 39 09.74 +65 37 54.4 – V C40
2019-10-19 16:30:46 C 23 39 11.05 +65 37 46.2 – V C40
2019-10-19 16:31:48 C 23 39 12.34 +65 37 38.1 – V C40
2019-10-19 16:33:47 C 23 39 14.82 +65 37 22.4 – V C40
2019-10-19 16:59:15 C 23 39 46.82 +65 33 58.1 – V C40
2019-10-19 17:00:17 C 23 39 48.06 +65 33 50.4 – V C40
2019-10-19 17:01:15 C 23 39 49.28 +65 33 42.3 – V C40
2019-10-19 17:02:17 C 23 39 50.56 +65 33 33.9 – 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)