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
2019-09-18 16:14:27 s 1 -107109.37 7 +367704.45 8320.0 C57
2019-09-18 16:44:27 S 17 24 31.541 +64 57 06.88 V C57
2019-09-18 16:44:27 s 1 -108071.99 9 +367186.69 8730.0 C57
2019-09-18 17:14:27 S 17 24 34.572 +64 57 24.08 V C57
2019-09-18 17:14:27 s 1 -109032.15 8 +366660.37 5400.0 C57
2019-09-18 18:44:27 S 17 24 43.253 +64 58 21.29 V C57
2019-09-18 18:44:27 s 1 -111897.59 4 +365029.96 2110.0 C57
2019-09-18 19:44:27 S 17 24 48.571 +64 58 49.91 V C57
2019-09-18 19:44:27 s 1 -113795.07 9 +363900.15 9750.0 C57
2019-09-18 20:14:27 S 17 24 50.856 +64 59 10.10 V C57
2019-09-18 20:14:27 s 1 -114739.89 9 +363322.36 2280.0 C57
2019-09-18 20:44:27 S 17 24 53.942 +64 59 23.17 V C57
2019-09-18 20:44:27 s 1 -115682.06 5 +362735.99 520.0 C57
2019-09-18 21:14:27 S 17 24 56.477 +64 59 43.15 V C57
2019-09-18 21:14:27 s 1 -116621.55 2 +362141.03 4390.0 C57
2019-09-18 21:44:27 S 17 24 59.904 +65 00 03.64 V C57
2019-09-18 21:44:27 s 1 -117558.33 0 +361537.48 3800.0 C57
2019-09-18 22:14:27 S 17 25 02.222 +65 00 22.07 V C57
2019-09-18 22:14:27 s 1 -118492.37 2 +360925.33 8680.0 C57
2019-09-18 23:14:27 S 17 25 08.472 +65 00 54.43 V C57
2019-09-18 23:14:27 s 1 -120352.13 3 +359675.21 4520.0 C57
2019-09-19 00:44:27 S 17 25 16.817 +65 01 53.98 V C57
2019-09-19 00:44:27 s 1 -123120.53 9 +357735.45 2250.0 C57
2019-09-19 01:14:27 S 17 25 19.505 +65 02 11.47 V C57
2019-09-19 01:14:27 s 1 -124037.56 3 +357071.62 8230.0 C57
2019-09-19 01:44:27 S 17 25 21.588 +65 02 26.09 V C57
2019-09-19 01:44:27 s 1 -124951.64 8 +356399.15 9100.0 C57
2019-09-19 02:14:27 S 17 25 24.538 +65 02 46.72 V C57
2019-09-19 02:14:27 s 1 -125862.76 5 +355718.06 4780.0 C57
2019-09-19 02:44:27 S 17 25 27.869 +65 03 06.30 V C57
2019-09-19 02:44:27 s 1 -126770.88 5 +355028.32 5190.0 C57
2019-09-19 03:14:27 S 17 25 30.463 +65 03 23.76 V C57
2019-09-19 03:14:27 s 1 -127675.97 6 +354329.94 230.0 C57
2019-09-19 03:27:59 C 17 22 30.57 +65 33 33.9 U I41
2019-09-19 04:14:27 S 17 25 35.808 +65 04 01.96 V C57
2019-09-19 04:14:27 s 1 -129476.95 6 +352907.21 3910.0 C57
2019-09-19 05:03:39 C 17 22 35.29 +65 34 11.1 U I41
2019-09-19 05:17:36 C 17 22 36.03 +65 34 16.2 U I41
2019-09-19 05:33:19 C 17 22 36.91 +65 34 21.9 U I41
2019-09-19 05:47:17 C 17 22 37.69 +65 34 26.8 U I41
2019-09-19 06:14:27 S 17 25 47.832 +65 05 17.09 V C57
2019-09-19 06:14:27 s 1 -133041.23 7 +349957.75 3170.0 C57
2019-09-19 06:44:27 S 17 25 50.057 +65 05 32.57 V C57
2019-09-19 06:44:27 s 1 -133924.27 6 +349198.68 8280.0 C57
2019-09-19 07:14:27 S 17 25 53.410 +65 05 55.64 V C57
2019-09-19 07:14:27 s 1 -134804.03 9 +348430.91 7340.0 C57
2019-09-19 08:44:27 S 17 26 00.859 +65 06 54.58 V C57
2019-09-19 08:44:27 s 1 -137423.35 0 +346075.35 7250.0 C57
2019-09-19 09:14:27 S 17 26 03.665 +65 07 15.31 V C57
2019-09-19 09:14:27 s 1 -138289.68 6 +345272.72 1170.0 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)