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
2019-10-06 10:14:26 s 1 -165067.76 8 +39615.238 5170.0 C57
2019-10-06 10:44:26 S 18 34 32.923 +70 24 50.76 V C57
2019-10-06 10:44:26 s 1 -163775.01 4 +36878.178 1590.0 C57
2019-10-06 11:14:26 S 18 34 42.094 +70 25 48.58 V C57
2019-10-06 11:14:26 s 1 -162442.14 9 +34132.101 5480.0 C57
2019-10-06 11:44:26 S 18 34 51.782 +70 26 46.10 V C57
2019-10-06 11:44:26 s 1 -161068.17 1 +31377.402 3820.0 C57
2019-10-06 12:14:26 S 18 35 00.079 +70 27 46.94 V C57
2019-10-06 12:14:26 s 1 -159652.03 9 +28614.509 3510.0 C57
2019-10-06 12:44:26 S 18 35 09.022 +70 28 35.72 V C57
2019-10-06 12:44:26 s 1 -158192.68 0 +25843.886 1310.0 C57
2019-10-07 05:19:01 C 18 36 00.51 +70 51 44.2 U I41
2019-10-07 05:34:29 C 18 36 06.45 +70 51 57.3 U I41
2019-10-07 05:48:31 C 18 36 11.87 +70 52 08.9 U I41
2019-10-07 06:08:51 C 18 36 19.80 +70 52 25.6 U I41
2019-10-07 06:35:49 C 18 36 30.50 +70 52 47.6 U I41
2019-10-08 07:29:39 C 18 47 33.69 +71 19 41.8 V T05
2019-10-08 07:34:16 C 18 47 35.72 +71 19 45.7 V T05
2019-10-08 07:42:20 C 18 47 39.27 +71 19 52.4 V T05
2019-10-08 07:57:35 C 18 47 46.01 +71 20 04.8 V T05
2019-10-08 21:24:52 C 18 54 31.99 +71 34 15.0 q Z36
2019-10-08 21:53:15 C 18 54 45.83 +71 34 39.0 q Z36
2019-10-08 22:04:46 C 18 54 53.67 +71 34 34.2 V Z80
2019-10-08 22:09:47 C 18 54 56.24 +71 34 38.6 V Z80
2019-10-08 22:14:47 C 18 54 58.67 +71 34 42.2 V Z80
2019-10-08 22:18:46 C 18 54 58.45 +71 35 00.3 q Z36
2019-10-10 03:45:29 C 19 12 02.32 +72 04 08.1 q Z30
2019-10-10 03:51:46 C 19 12 06.50 +72 04 13.5 q Z30
2019-10-10 03:57:44 C 19 12 10.52 +72 04 18.7 q Z30
2019-10-10 04:04:10 C 19 12 14.84 +72 04 24.4 q Z30
2019-10-10 04:27:31 C 19 12 30.55 +72 04 45.2 q Z30
2019-10-10 04:53:57 C 19 12 48.45 +72 05 09.4 q Z30
2019-10-10 04:59:32 C 19 12 52.28 +72 05 14.3 q Z30
2019-10-12 06:56:27 C 19 50 25.40 +72 49 49.9 V T05
2019-10-12 07:00:27 C 19 50 28.68 +72 49 51.7 V T05
2019-10-12 07:09:25 C 19 50 35.93 +72 49 56.0 V T05
2019-10-12 07:24:03 C 19 50 47.88 +72 50 02.5 V T05
2019-10-12 22:57:59 C 20 05 14.14 +72 57 33.5 V A16
2019-10-12 23:09:19 C 20 05 24.95 +72 57 36.5 V A16
2019-10-12 23:20:41 C 20 05 35.76 +72 57 38.0 V A16
2019-10-12 23:32:01 C 20 05 46.86 +72 57 39.3 V A16
2019-10-13 03:27:16 C 20 09 50.60 +73 00 21.4 U I41
2019-10-13 03:28:36 C 20 09 51.85 +73 00 21.8 U I41
2019-10-13 04:09:03 C 20 10 29.47 +73 00 31.9 U I41
2019-10-13 04:10:24 C 20 10 30.74 +73 00 32.2 U I41
2019-10-13 22:22:14 C 20 29 45.74 +73 03 05.1 V A16
2019-10-13 22:32:37 C 20 29 56.90 +73 03 02.7 V A16
2019-10-13 22:42:59 C 20 30 08.35 +73 02 59.0 V A16
2019-10-13 22:53:21 C 20 30 19.50 +73 02 57.0 V A16
2019-10-13 23:03:42 C 20 30 30.88 +73 02 53.9 V A16
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)