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
2019-09-28 12:14:27 s 1 +74829.269 0 +333708.84 8060.0 C57
2019-09-28 12:44:27 S 17 43 31.985 +67 02 20.26 V C57
2019-09-28 12:44:27 s 1 +73830.104 0 +334701.28 3470.0 C57
2019-09-28 13:14:27 S 17 43 37.625 +67 02 32.93 V C57
2019-09-28 13:14:27 s 1 +72828.717 0 +335683.07 8260.0 C57
2019-09-28 13:44:27 S 17 43 43.272 +67 02 47.40 V C57
2019-09-28 13:44:27 s 1 +71825.155 0 +336654.25 2590.0 C57
2019-09-28 15:44:27 S 17 44 05.539 +67 03 44.50 V C57
2019-09-28 15:44:27 s 1 +67790.049 0 +340433.48 8120.0 C57
2019-09-28 16:44:27 S 17 44 17.035 +67 04 15.10 V C57
2019-09-28 16:44:27 s 1 +65760.599 0 +342260.29 6800.0 C57
2019-09-28 17:44:27 S 17 44 28.390 +67 04 44.58 V C57
2019-09-28 17:44:27 s 1 +63723.674 0 +344045.58 7560.0 C57
2019-09-28 18:14:27 S 17 44 34.106 +67 04 58.84 V C57
2019-09-28 18:14:27 s 1 +62702.513 0 +344922.74 4050.0 C57
2019-09-28 18:44:27 S 17 44 40.202 +67 05 14.03 V C57
2019-09-28 18:44:27 s 1 +61679.607 0 +345789.61 1460.0 C57
2019-09-28 19:14:27 S 17 44 45.422 +67 05 25.69 V C57
2019-09-28 19:14:27 s 1 +60654.998 0 +346646.23 9910.0 C57
2019-09-28 20:14:27 S 17 44 57.281 +67 05 59.28 V C57
2019-09-28 20:14:27 s 1 +58600.825 0 +348328.84 470.0 C57
2019-09-28 20:44:27 S 17 45 02.830 +67 06 16.20 V C57
2019-09-28 20:44:27 s 1 +57571.340 0 +349154.88 2830.0 C57
2019-09-28 21:14:27 S 17 45 08.642 +67 06 32.62 V C57
2019-09-28 21:14:27 s 1 +56540.309 0 +349970.80 6740.0 C57
2019-09-28 21:44:27 S 17 45 14.748 +67 06 46.94 V C57
2019-09-28 21:44:27 s 1 +55507.768 0 +350776.60 2330.0 C57
2019-09-28 22:14:27 S 17 45 20.292 +67 07 03.04 V C57
2019-09-28 22:14:27 s 1 +54473.756 0 +351572.34 9710.0 C57
2019-09-28 22:44:27 S 17 45 27.074 +67 07 18.84 V C57
2019-09-28 22:44:27 s 1 +53438.310 0 +352358.03 9010.0 C57
2019-09-28 23:14:27 S 17 45 33.948 +67 07 24.89 V C57
2019-09-28 23:14:27 s 1 +52401.468 0 +353133.70 350.0 C57
2019-09-29 02:14:27 S 17 46 07.366 +67 09 14.08 V C57
2019-09-29 02:14:27 s 1 +46153.102 0 +357578.89 7680.0 C57
2019-09-29 02:44:27 S 17 46 13.277 +67 09 27.32 V C57
2019-09-29 02:44:27 s 1 +45107.485 0 +358285.20 6510.0 C57
2019-09-29 03:14:27 S 17 46 18.989 +67 09 43.31 V C57
2019-09-29 03:14:27 s 1 +44060.754 0 +358981.70 8300.0 C57
2019-09-29 03:44:27 S 17 46 25.234 +67 10 01.16 V C57
2019-09-29 03:44:27 s 1 +43012.942 0 +359668.43 3140.0 C57
2019-09-29 04:14:27 S 17 46 31.253 +67 10 18.88 V C57
2019-09-29 04:14:27 s 1 +41964.083 0 +360345.40 1150.0 C57
2019-09-29 04:44:27 S 17 46 36.914 +67 10 34.68 V C57
2019-09-29 04:44:27 s 1 +40914.210 0 +361012.64 2430.0 C57
2019-09-29 05:14:27 S 17 46 43.474 +67 10 49.55 V C57
2019-09-29 05:14:27 s 1 +39863.356 0 +361670.17 7100.0 C57
2019-09-29 05:44:27 S 17 46 48.600 +67 11 06.97 V C57
2019-09-29 05:44:27 s 1 +38811.553 0 +362318.02 5240.0 C57
2019-09-29 06:14:27 S 17 46 55.142 +67 11 25.87 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)