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
2019-10-04 10:44:26 s 1 -184867.36 9 +245354.25 1180.0 C57
2019-10-04 11:14:26 S 18 18 53.383 +69 08 07.94 V C57
2019-10-04 11:14:26 s 1 -185280.04 8 +243735.09 4750.0 C57
2019-10-04 12:44:26 S 18 19 22.248 +69 10 11.46 V C57
2019-10-04 12:44:26 s 1 -186469.33 3 +238813.88 4330.0 C57
2019-10-04 13:14:26 S 18 19 32.026 +69 10 53.94 V C57
2019-10-04 13:14:26 s 1 -186849.18 2 +237152.11 6220.0 C57
2019-10-04 13:44:26 S 18 19 40.769 +69 11 32.82 V C57
2019-10-04 13:44:26 s 1 -187220.57 1 +235479.62 7000.0 C57
2019-10-04 14:14:26 S 18 19 50.599 +69 12 13.75 V C57
2019-10-04 14:14:26 s 1 -187583.39 6 +233796.35 6360.0 C57
2019-10-04 14:44:26 S 18 20 00.725 +69 12 58.25 V C57
2019-10-04 14:44:26 s 1 -187937.55 3 +232102.27 4030.0 C57
2019-10-04 15:44:26 S 18 20 19.733 +69 14 21.23 V C57
2019-10-04 15:44:26 s 1 -188619.42 7 +228681.57 3040.0 C57
2019-10-04 16:44:26 S 18 20 38.177 +69 15 43.99 V C57
2019-10-04 16:44:26 s 1 -189265.30 5 +225217.23 1570.0 C57
2019-10-04 17:14:26 S 18 20 47.782 +69 16 28.06 V C57
2019-10-04 17:14:26 s 1 -189574.46 1 +223468.60 6110.0 C57
2019-10-04 17:44:26 S 18 20 58.987 +69 17 08.59 V C57
2019-10-04 17:44:26 s 1 -189874.27 1 +221708.95 7060.0 C57
2019-10-04 18:14:26 S 18 21 08.525 +69 17 54.60 V C57
2019-10-04 18:14:26 s 1 -190164.61 6 +219938.25 4090.0 C57
2019-10-04 18:44:26 S 18 21 18.091 +69 18 36.86 V C57
2019-10-04 18:44:26 s 1 -190445.37 3 +218156.46 6860.0 C57
2019-10-04 18:46:31 C 18 15 49.25 +69 52 24.5 V 586
2019-10-04 18:47:33 C 18 15 49.51 +69 52 25.5 V 586
2019-10-04 18:48:36 C 18 15 49.71 +69 52 26.2 V 586
2019-10-04 18:49:38 C 18 15 50.04 +69 52 27.4 V 586
2019-10-04 18:50:40 C 18 15 50.28 +69 52 28.3 V 586
2019-10-04 18:51:41 C 18 15 50.55 +69 52 29.1 V 586
2019-10-04 18:52:43 C 18 15 50.87 +69 52 30.3 V 586
2019-10-04 18:53:46 C 18 15 51.09 +69 52 31.0 V 586
2019-10-04 18:54:48 C 18 15 51.35 +69 52 32.0 V 586
2019-10-04 18:55:50 C 18 15 51.64 +69 52 33.0 V 586
2019-10-04 18:56:52 C 18 15 51.90 +69 52 33.9 V 586
2019-10-04 19:14:26 S 18 21 27.552 +69 19 19.74 V C57
2019-10-04 19:14:26 s 1 -190716.41 7 +216363.54 5020.0 C57
2019-10-04 19:44:26 S 18 21 37.382 +69 20 01.43 V C57
2019-10-04 19:44:26 s 1 -190977.62 2 +214559.45 8210.0 C57
2019-10-04 20:14:26 S 18 21 47.388 +69 20 45.10 V C57
2019-10-04 20:14:26 s 1 -191228.85 7 +212744.16 6080.0 C57
2019-10-04 20:44:26 S 18 21 57.007 +69 21 30.71 V C57
2019-10-04 20:44:26 s 1 -191469.99 2 +210917.63 8260.0 C57
2019-10-04 21:14:26 S 18 22 06.799 +69 22 12.68 V C57
2019-10-04 21:14:26 s 1 -191700.89 2 +209079.82 4360.0 C57
2019-10-04 21:44:26 S 18 22 17.443 +69 23 03.77 V C57
2019-10-04 21:44:26 s 1 -191921.41 9 +207230.69 4020.0 C57
2019-10-04 22:09:25 C 18 16 45.29 +69 55 12.7 V Z80
2019-10-04 22:19:25 C 18 16 48.10 +69 55 20.1 V Z80
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)