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
2012-10-27 00:43:07 C 19 54 27.00 -00 43 04.0 u H21
2012-10-27 00:48:31 C 19 54 28.30 -00 43 15.5 u H21
2012-11-04 01:29:34 C 20 44 02.78 -08 03 00.2 19.9 c 704
2012-11-04 01:50:44 C 20 44 08.27 -08 03 45.6 19.5 c 704
2012-11-04 02:11:51 C 20 44 13.78 -08 04 33.8 19.0 c 704
2012-11-04 02:32:33 C 20 44 19.18 -08 05 20.3 19.2 c 704
2012-11-04 02:54:41 C 20 44 24.92 -08 06 10.1 19.3 c 704
2012-11-12 01:13:38 C 21 36 44.59 -14 51 37.7 q 448
2012-11-12 01:23:01 C 21 36 47.11 -14 51 56.5 q 448
2012-11-12 01:27:14 C 21 36 48.27 -14 52 04.5 18.5 c 704
2012-11-12 01:33:04 C 21 36 49.85 -14 52 15.6 q 448
2012-11-12 01:49:03 C 21 36 54.15 -14 52 47.7 18.4 c 704
2012-11-12 02:10:39 C 21 36 59.98 -14 53 29.2 18.5 c 704
2012-11-12 02:20:55 C 21 37 03.00 -14 53 47.0 r 703
2012-11-12 02:31:59 C 21 37 05.81 -14 54 08.7 18.9 c 704
2012-11-12 02:40:27 C 21 37 08.18 -14 54 25.3 r 703
2012-11-12 02:50:17 C 21 37 10.88 -14 54 44.7 r 703
2012-11-12 02:53:33 C 21 37 11.64 -14 54 50.8 18.5 c 704
2012-11-23 01:07:07 C 22 48 57.54 -21 44 29.5 q 448
2012-11-23 01:18:05 C 22 49 00.29 -21 44 42.0 q 448
2012-11-23 01:28:59 C 22 49 03.10 -21 44 55.7 q 448
2012-11-25 02:10:11 C 23 01 43.09 -22 37 13.5 u 807
2012-11-25 02:13:29 C 23 01 43.93 -22 37 16.5 u 807
2012-11-25 02:16:46 C 23 01 44.76 -22 37 19.8 u 807
2012-11-25 02:20:03 C 23 01 45.58 -22 37 23.1 u 807
2012-11-25 02:23:20 C 23 01 46.41 -22 37 26.3 u 807
2012-11-25 03:17:35 C 23 02 00.97 -22 38 48.6 q 448
2012-11-25 03:28:04 C 23 02 03.57 -22 38 58.9 q 448
2012-11-25 03:39:26 C 23 02 06.43 -22 39 11.6 q 448
2012-11-25 06:03:31 C 23 02 43.826 -22 41 31.93 L F51
2012-11-25 06:20:04 C 23 02 47.947 -22 41 48.24 L F51
2012-12-08 02:39:54 C 00 15 12.88 -25 40 39.1 r 703
2012-12-08 02:49:39 C 00 15 14.94 -25 40 41.4 r 703
2012-12-08 02:59:26 C 00 15 16.99 -25 40 43.4 r 703
2012-12-08 03:09:11 C 00 15 19.04 -25 40 45.4 r 703
2012-12-09 00:37:58 C 00 19 49.44 -25 44 33.8 u 807
2012-12-09 00:42:05 C 00 19 50.27 -25 44 34.4 u 807
2012-12-09 00:46:10 C 00 19 51.11 -25 44 35.1 u 807
2012-12-09 00:50:01 C 00 19 51.72 -25 44 35.3 u I19
2012-12-09 00:50:26 C 00 19 51.96 -25 44 35.8 u 807
2012-12-09 00:54:16 C 00 19 52.75 -25 44 36.3 t W85
2012-12-09 00:54:22 C 00 19 52.76 -25 44 36.5 u 807
2012-12-09 00:54:38 C 00 19 52.68 -25 44 35.9 u I19
2012-12-09 00:59:14 C 00 19 53.65 -25 44 35.9 u I19
2012-12-09 01:02:21 C 00 19 54.38 -25 44 37.6 t W85
2012-12-09 01:10:25 C 00 19 56.01 -25 44 39.0 t W85
2012-12-09 03:00:33 C 00 20 19.19 -25 45 18.3 o G48
2012-12-09 03:03:19 C 00 20 19.78 -25 45 18.7 o G48
2012-12-09 03:06:06 C 00 20 20.31 -25 45 19.7 o G48
2012-12-09 10:28:39 C 00 21 51.58 -25 46 02.5 o 474
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)