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
2019-09-17 16:14:27 s 1 -58503.032 0 +382486.54 1100.0 C57
2019-09-17 17:14:27 S 17 22 21.295 +64 44 25.30 V C57
2019-09-17 17:14:27 s 1 -60604.731 0 +382265.82 1280.0 C57
2019-09-17 17:44:27 S 17 22 24.533 +64 44 42.14 V C57
2019-09-17 17:44:27 s 1 -61653.617 0 +382142.48 5810.0 C57
2019-09-17 18:44:27 S 17 22 30.538 +64 45 14.87 V C57
2019-09-17 18:44:27 s 1 -63747.348 0 +381869.90 3400.0 C57
2019-09-17 19:14:27 S 17 22 32.446 +64 45 25.31 V C57
2019-09-17 19:14:27 s 1 -64792.146 0 +381720.66 6330.0 C57
2019-09-17 19:44:27 S 17 22 35.179 +64 45 41.33 V C57
2019-09-17 19:44:27 s 1 -65835.535 0 +381562.80 8580.0 C57
2019-09-17 20:14:27 S 17 22 38.078 +64 45 59.29 V C57
2019-09-17 20:14:27 s 1 -66877.492 0 +381396.32 90.0 C57
2019-09-17 21:14:27 S 17 22 43.562 +64 46 25.07 V C57
2019-09-17 21:14:27 s 1 -68957.017 0 +381037.52 600.0 C57
2019-09-17 21:44:27 S 17 22 46.241 +64 46 43.36 V C57
2019-09-17 21:44:27 s 1 -69994.538 0 +380845.21 9470.0 C57
2019-09-17 22:14:27 S 17 22 49.010 +64 46 57.18 V C57
2019-09-17 22:14:27 s 1 -71030.534 0 +380644.29 7320.0 C57
2019-09-18 01:14:27 S 17 23 05.527 +64 48 32.87 V C57
2019-09-18 01:14:27 s 1 -77213.169 0 +379258.41 9090.0 C57
2019-09-18 02:14:27 S 17 23 11.105 +64 49 03.04 V C57
2019-09-18 02:14:27 s 1 -79260.782 0 +378727.80 5040.0 C57
2019-09-18 02:44:27 S 17 23 14.038 +64 49 17.58 V C57
2019-09-18 02:44:27 s 1 -80281.995 0 +378449.64 580.0 C57
2019-09-18 03:14:27 S 17 23 16.193 +64 49 35.54 V C57
2019-09-18 03:14:27 s 1 -81301.447 0 +378162.90 4400.0 C57
2019-09-18 03:44:27 S 17 23 19.620 +64 49 50.34 V C57
2019-09-18 03:44:27 s 1 -82319.114 0 +377867.61 6440.0 C57
2019-09-18 04:14:27 S 17 23 21.509 +64 50 07.73 V C57
2019-09-18 04:14:27 s 1 -83334.973 0 +377563.75 6610.0 C57
2019-09-18 06:13:19 C 17 21 08.78 +65 23 41.0 V T05
2019-09-18 06:17:20 C 17 21 08.99 +65 23 42.7 V T05
2019-09-18 06:24:43 C 17 21 09.35 +65 23 45.1 V T05
2019-09-18 06:41:24 C 17 21 10.13 +65 23 50.9 V T05
2019-09-18 10:44:27 S 17 23 58.615 +64 53 40.74 V C57
2019-09-18 10:44:27 s 1 -96365.528 0 +372834.87 7740.0 C57
2019-09-18 11:44:27 S 17 24 04.514 +64 54 14.08 V C57
2019-09-18 11:44:27 s 1 -98339.317 0 +371979.06 8250.0 C57
2019-09-18 12:14:27 S 17 24 07.205 +64 54 31.00 V C57
2019-09-18 12:14:27 s 1 -99322.920 0 +371538.33 9040.0 C57
2019-09-18 13:14:27 S 17 24 11.746 +64 55 03.43 V C57
2019-09-18 13:14:27 s 1 -101283.41 7 +370631.20 1300.0 C57
2019-09-18 13:44:27 S 17 24 15.026 +64 55 21.07 V C57
2019-09-18 13:44:27 s 1 -102260.25 9 +370164.81 2640.0 C57
2019-09-18 14:14:27 S 17 24 17.530 +64 55 39.29 V C57
2019-09-18 14:14:27 s 1 -103234.79 7 +369689.85 670.0 C57
2019-09-18 14:44:27 S 17 24 20.911 +64 55 55.27 V C57
2019-09-18 14:44:27 s 1 -104207.00 3 +369206.34 5330.0 C57
2019-09-18 16:14:27 S 17 24 29.388 +64 56 44.66 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)