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
2012-12-09 10:29:40 C 00 21 51.78 -25 46 02.9 o 474
2012-12-09 10:30:42 C 00 21 51.98 -25 46 03.1 o 474
2012-12-09 10:31:42 C 00 21 52.19 -25 46 03.1 o 474
2012-12-09 10:32:44 C 00 21 52.39 -25 46 03.3 o 474
2016-01-03 15:03:41 C 11 13 55.093 -31 37 33.57 L F51
2016-01-03 15:19:04 C 11 13 55.583 -31 37 45.64 L F51
2016-01-03 15:34:43 C 11 13 56.078 -31 37 58.07 L F51
2016-03-16 08:53:19 C 10 22 06.210 -29 49 01.57 L F51
2016-03-16 09:06:30 C 10 22 05.454 -29 48 43.03 L F51
2016-03-16 09:19:30 C 10 22 04.692 -29 48 24.73 L F51
2016-04-02 03:30:23 C 10 08 27.45 -19 21 05.6 R G45
2016-04-02 03:49:54 C 10 08 27.11 -19 20 34.9 R G45
2016-04-02 03:56:18 C 10 08 27.00 -19 20 24.1 R G45
2016-04-02 04:02:42 C 10 08 26.86 -19 20 13.5 R G45
2016-04-30 06:12:52 C 10 20 44.028 -04 03 21.03 L F51
2016-04-30 06:28:56 C 10 20 44.688 -04 03 04.71 L F51
2016-04-30 06:44:57 C 10 20 45.341 -04 02 48.59 L F51
2019-05-06 00:51:32 C 18 17 00.71 +02 54 34.8 V C95
2019-05-06 01:05:19 C 18 17 01.08 +02 55 05.4 V C95
2019-05-06 01:19:03 C 18 17 01.49 +02 55 35.5 V C95
2019-05-23 23:14:54 C 18 24 48.90 +20 07 46.3 V Z80
2019-05-23 23:24:54 C 18 24 48.75 +20 08 12.4 V Z80
2019-05-23 23:34:53 C 18 24 48.80 +20 08 36.9 V Z80
2019-05-28 10:58:47 C 18 24 21.58 +24 39 01.9 V T05
2019-05-28 11:04:17 C 18 24 21.47 +24 39 15.5 V T05
2019-05-28 11:11:18 C 18 24 21.370 +24 39 33.40 U F51
2019-05-28 11:12:33 C 18 24 21.34 +24 39 36.4 V T05
2019-05-28 11:27:19 C 18 24 21.116 +24 40 13.58 U F51
2019-05-28 11:33:10 C 18 24 21.05 +24 40 28.2 V T05
2019-05-28 11:43:22 C 18 24 20.869 +24 40 53.84 U F51
2019-05-29 07:35:57 C 18 24 09.45 +25 30 20.8 U I41
2019-05-29 07:37:17 C 18 24 09.43 +25 30 24.0 U I41
2019-05-29 09:33:18 C 18 24 07.34 +25 35 13.5 V G96
2019-05-29 09:40:42 C 18 24 07.21 +25 35 32.0 V G96
2019-05-29 09:48:05 C 18 24 07.10 +25 35 50.1 V G96
2019-05-29 09:55:30 C 18 24 06.96 +25 36 08.8 V G96
2019-05-29 10:07:35 C 18 24 06.90 +25 36 39.0 U I41
2019-05-29 10:08:54 C 18 24 06.87 +25 36 42.2 U I41
2019-06-07 07:54:12 C 18 19 43.71 +34 06 50.8 U I41
2019-06-07 09:43:05 C 18 19 39.70 +34 10 56.9 U I41
2019-06-07 09:44:24 C 18 19 39.65 +34 10 59.8 U I41
2019-06-07 10:20:32 C 18 19 38.33 +34 12 20.8 U I41
2019-06-07 10:23:12 C 18 19 38.23 +34 12 26.8 U I41
2019-06-07 11:08:55 C 18 19 36.57 +34 14 08.9 U I41
2019-06-08 09:39:31 C 18 18 56.41 +35 04 33.0 V T08
2019-06-08 10:09:06 C 18 18 55.31 +35 05 39.1 V T08
2019-06-08 10:13:08 C 18 18 55.11 +35 05 48.2 V T08
2019-06-08 10:20:31 C 18 18 54.88 +35 06 04.5 V T08
2019-06-09 09:44:34 C 18 18 07.57 +35 57 27.2 V G96
2019-06-09 09:52:02 C 18 18 07.26 +35 57 43.5 V G96
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)