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
2019-09-14 22:46:55 C 17 16 44.70 +64 48 41.2 V A16
2019-09-14 23:07:41 C 17 16 45.76 +64 48 49.2 V A16
2019-09-14 23:14:27 S 17 16 34.265 +64 19 47.78 V C57
2019-09-14 23:14:27 s 1 +79775.299 0 +317800.73 7220.0 C57
2019-09-14 23:28:26 C 17 16 46.82 +64 48 53.9 V A16
2019-09-15 00:14:27 S 17 16 38.218 +64 20 01.21 V C57
2019-09-15 00:14:27 s 1 +77791.615 0 +320092.62 1540.0 C57
2019-09-15 01:14:27 S 17 16 44.038 +64 20 13.92 V C57
2019-09-15 01:14:27 s 1 +75796.735 0 +322338.65 4860.0 C57
2019-09-15 03:14:27 S 17 16 53.681 +64 20 49.24 V C57
2019-09-15 03:14:27 s 1 +71775.143 0 +326694.57 4250.0 C57
2019-09-15 03:44:27 S 17 16 56.165 +64 20 53.09 V C57
2019-09-15 03:44:27 s 1 +70763.423 0 +327755.44 9420.0 C57
2019-09-15 05:14:27 S 17 17 04.082 +64 21 23.15 V C57
2019-09-15 05:14:27 s 1 +67713.913 0 +330871.27 6410.0 C57
2019-09-15 05:44:27 S 17 17 05.899 +64 21 25.42 V C57
2019-09-15 05:44:27 s 1 +66692.792 0 +331887.75 6430.0 C57
2019-09-15 06:14:27 S 17 17 09.012 +64 21 38.16 V C57
2019-09-15 06:14:27 s 1 +65669.443 0 +332893.23 5570.0 C57
2019-09-15 06:44:27 S 17 17 11.004 +64 21 44.82 V C57
2019-09-15 06:44:27 s 1 +64643.914 0 +333887.76 3970.0 C57
2019-09-15 07:44:27 S 17 17 16.234 +64 21 59.44 V C57
2019-09-15 07:44:27 s 1 +62586.506 0 +335844.10 9190.0 C57
2019-09-15 08:14:27 S 17 17 18.319 +64 22 08.87 V C57
2019-09-15 08:14:27 s 1 +61554.718 0 +336805.99 6310.0 C57
2019-09-15 08:44:27 S 17 17 21.221 +64 22 19.70 V C57
2019-09-15 08:44:27 s 1 +60520.935 0 +337757.07 3300.0 C57
2019-09-15 09:14:27 S 17 17 24.065 +64 22 24.17 V C57
2019-09-15 09:14:27 s 1 +59485.203 0 +338697.39 310.0 C57
2019-09-15 09:44:27 S 17 17 27.086 +64 22 38.06 V C57
2019-09-15 09:44:27 s 1 +58447.565 0 +339626.98 7470.0 C57
2019-09-15 10:14:27 S 17 17 28.634 +64 22 44.15 V C57
2019-09-15 10:14:27 s 1 +57408.066 0 +340545.87 4940.0 C57
2019-09-15 11:14:27 S 17 17 33.845 +64 22 59.20 V C57
2019-09-15 11:14:27 s 1 +55323.652 0 +342351.72 1360.0 C57
2019-09-15 11:44:27 S 17 17 36.922 +64 23 10.21 V C57
2019-09-15 11:44:27 s 1 +54278.824 0 +343238.74 570.0 C57
2019-09-15 12:14:27 S 17 17 38.986 +64 23 20.08 V C57
2019-09-15 12:14:27 s 1 +53232.303 0 +344115.21 650.0 C57
2019-09-15 13:14:27 S 17 17 44.594 +64 23 35.12 V C57
2019-09-15 13:14:27 s 1 +51134.350 0 +345836.62 3900.0 C57
2019-09-15 14:14:27 S 17 17 48.943 +64 23 56.47 V C57
2019-09-15 14:14:27 s 1 +49030.115 0 +347516.22 2170.0 C57
2019-09-15 14:44:27 S 17 17 52.349 +64 24 05.47 V C57
2019-09-15 14:44:27 s 1 +47975.742 0 +348340.42 8500.0 C57
2019-09-15 15:14:27 S 17 17 54.456 +64 24 12.82 V C57
2019-09-15 15:14:27 s 1 +46919.917 0 +349154.26 6480.0 C57
2019-09-15 15:44:27 S 17 17 56.482 +64 24 22.54 V C57
2019-09-15 15:44:27 s 1 +45862.678 0 +349957.78 6210.0 C57
2019-09-15 16:44:27 S 17 18 01.627 +64 24 43.09 V C57
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)