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
2019-09-20 05:44:27 S 17 27 58.159 +65 21 19.62 V C57
2019-09-20 05:44:27 s 1 -170429.94 2 +304733.71 3570.0 C57
2019-09-20 06:14:27 S 17 28 01.037 +65 21 34.88 V C57
2019-09-20 06:14:27 s 1 -171119.31 1 +303555.33 3170.0 C57
2019-09-20 06:44:27 S 17 28 04.320 +65 22 00.08 V C57
2019-09-20 06:44:27 s 1 -171803.53 4 +302367.72 1500.0 C57
2019-09-20 06:59:09 C 17 24 22.20 +65 47 01.9 V T08
2019-09-20 07:03:47 C 17 24 22.38 +65 47 03.9 V T08
2019-09-20 07:11:46 C 17 24 22.81 +65 47 07.2 V T08
2019-09-20 07:14:27 S 17 28 06.677 +65 22 15.60 V C57
2019-09-20 07:14:27 s 1 -172482.56 0 +301170.86 8430.0 C57
2019-09-20 07:27:07 C 17 24 23.81 +65 47 12.6 V T08
2019-09-20 07:44:27 S 17 28 08.518 +65 22 37.24 V C57
2019-09-20 07:44:27 s 1 -173156.33 8 +299964.75 3820.0 C57
2019-09-20 08:14:27 S 17 28 12.084 +65 23 04.42 V C57
2019-09-20 08:14:27 s 1 -173824.81 7 +298749.36 7530.0 C57
2019-09-20 08:44:27 S 17 28 14.774 +65 23 28.32 V C57
2019-09-20 08:44:27 s 1 -174487.94 4 +297524.69 9400.0 C57
2019-09-20 09:14:27 S 17 28 17.438 +65 23 48.91 V C57
2019-09-20 09:14:27 s 1 -175145.66 7 +296290.70 9300.0 C57
2019-09-20 09:44:27 S 17 28 20.136 +65 24 13.36 V C57
2019-09-20 09:44:27 s 1 -175797.93 1 +295047.39 7070.0 C57
2019-09-20 10:14:27 S 17 28 22.798 +65 24 32.58 V C57
2019-09-20 10:14:27 s 1 -176444.68 3 +293794.73 2560.0 C57
2019-09-20 10:44:27 S 17 28 25.255 +65 24 54.43 V C57
2019-09-20 10:44:27 s 1 -177085.86 7 +292532.72 5630.0 C57
2019-09-20 11:44:27 S 17 28 31.356 +65 25 37.92 V C57
2019-09-20 11:44:27 s 1 -178351.31 1 +289980.54 3880.0 C57
2019-09-20 12:44:27 S 17 28 36.674 +65 26 21.91 V C57
2019-09-20 12:44:27 s 1 -179593.81 0 +287390.72 550.0 C57
2019-09-20 15:14:27 S 17 28 50.340 +65 28 18.19 V C57
2019-09-20 15:14:27 s 1 -182596.59 9 +280750.47 8110.0 C57
2019-09-20 15:44:27 S 17 28 53.059 +65 28 40.62 V C57
2019-09-20 15:44:27 s 1 -183178.93 7 +279393.86 8150.0 C57
2019-09-20 20:44:27 S 17 29 19.582 +65 32 34.66 V C57
2019-09-20 20:44:27 s 1 -188649.46 3 +265298.47 6250.0 C57
2019-09-20 22:14:27 S 17 29 27.754 +65 33 50.76 V C57
2019-09-20 22:14:27 s 1 -190159.29 0 +260880.29 7490.0 C57
2019-09-21 00:44:27 S 17 29 40.534 +65 35 49.34 V C57
2019-09-21 00:44:27 s 1 -192532.19 2 +253319.61 5610.0 C57
2019-09-21 01:14:27 S 17 29 44.006 +65 36 15.23 V C57
2019-09-21 01:14:27 s 1 -192984.54 7 +251777.71 2700.0 C57
2019-09-21 01:44:27 S 17 29 46.378 +65 36 38.66 V C57
2019-09-21 01:44:27 s 1 -193429.30 4 +250225.83 1750.0 C57
2019-09-21 02:14:27 S 17 29 48.686 +65 37 03.18 V C57
2019-09-21 02:14:27 s 1 -193866.37 9 +248663.96 2540.0 C57
2019-09-21 02:44:27 S 17 29 51.427 +65 37 27.37 V C57
2019-09-21 02:44:27 s 1 -194295.68 7 +247092.07 4830.0 C57
2019-09-21 03:14:27 S 17 29 54.214 +65 37 52.32 V C57
2019-09-21 03:14:27 s 1 -194717.14 3 +245510.13 8370.0 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)