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
2019-09-16 23:44:27 s 1 -23229.414 0 +381083.58 6410.0 C57
2019-09-17 01:14:27 S 17 20 53.844 +64 37 00.55 V C57
2019-09-17 01:14:27 s 1 -26471.343 0 +381608.53 1000.0 C57
2019-09-17 01:44:27 S 17 20 56.196 +64 37 13.73 V C57
2019-09-17 01:44:27 s 1 -27550.876 0 +381765.65 8660.0 C57
2019-09-17 02:14:27 S 17 20 59.237 +64 37 26.51 V C57
2019-09-17 02:14:27 s 1 -28629.813 0 +381913.85 4520.0 C57
2019-09-17 02:44:27 S 17 21 02.023 +64 37 37.60 V C57
2019-09-17 02:44:27 s 1 -29708.131 0 +382053.16 8650.0 C57
2019-09-17 03:14:27 S 17 21 04.798 +64 37 51.10 V C57
2019-09-17 03:14:27 s 1 -30785.807 0 +382183.57 1110.0 C57
2019-09-17 03:44:27 S 17 21 07.474 +64 38 06.76 V C57
2019-09-17 03:44:27 s 1 -31862.816 0 +382305.11 1990.0 C57
2019-09-17 04:14:27 S 17 21 09.938 +64 38 20.44 V C57
2019-09-17 04:14:27 s 1 -32939.135 0 +382417.78 1360.0 C57
2019-09-17 05:44:27 S 17 21 18.629 +64 38 59.17 V C57
2019-09-17 05:44:27 s 1 -36163.715 0 +382702.69 1120.0 C57
2019-09-17 06:14:27 S 17 21 21.689 +64 39 10.87 V C57
2019-09-17 06:14:27 s 1 -37237.038 0 +382779.99 5160.0 C57
2019-09-17 07:14:27 S 17 21 26.239 +64 39 43.70 V C57
2019-09-17 07:14:27 s 1 -39381.239 0 +382908.16 9870.0 C57
2019-09-17 07:44:27 S 17 21 29.472 +64 39 50.62 V C57
2019-09-17 07:44:27 s 1 -40452.069 0 +382959.04 670.0 C57
2019-09-17 08:44:27 S 17 21 34.968 +64 40 23.02 V C57
2019-09-17 08:44:27 s 1 -42591.074 0 +383034.46 9550.0 C57
2019-09-17 09:14:27 S 17 21 37.805 +64 40 38.64 V C57
2019-09-17 09:14:27 s 1 -43659.202 0 +383059.01 7760.0 C57
2019-09-17 09:44:27 S 17 21 40.673 +64 40 49.08 V C57
2019-09-17 09:44:27 s 1 -44726.384 0 +383074.80 5250.0 C57
2019-09-17 10:14:27 S 17 21 43.298 +64 41 01.32 V C57
2019-09-17 10:14:27 s 1 -45792.594 0 +383081.84 2090.0 C57
2019-09-17 10:44:27 S 17 21 45.014 +64 41 15.40 V C57
2019-09-17 10:44:27 s 1 -46857.812 0 +383080.14 8350.0 C57
2019-09-17 11:14:27 S 17 21 47.918 +64 41 31.60 V C57
2019-09-17 11:14:27 s 1 -47922.012 0 +383069.70 4100.0 C57
2019-09-17 11:44:27 S 17 21 51.394 +64 41 47.15 V C57
2019-09-17 11:44:27 s 1 -48985.174 0 +383050.53 9400.0 C57
2019-09-17 12:14:27 S 17 21 54.019 +64 42 02.95 V C57
2019-09-17 12:14:27 s 1 -50047.272 0 +383022.65 4340.0 C57
2019-09-17 13:44:27 S 17 22 01.714 +64 42 39.38 V C57
2019-09-17 13:44:27 s 1 -53226.960 0 +382886.75 7630.0 C57
2019-09-17 14:14:27 S 17 22 05.057 +64 42 59.72 V C57
2019-09-17 14:14:27 s 1 -54284.577 0 +382824.06 1790.0 C57
2019-09-17 14:44:27 S 17 22 07.802 +64 43 13.40 V C57
2019-09-17 14:44:27 s 1 -55341.015 0 +382752.69 4080.0 C57
2019-09-17 15:14:27 S 17 22 10.778 +64 43 23.59 V C57
2019-09-17 15:14:27 s 1 -56396.253 0 +382672.64 9900.0 C57
2019-09-17 15:44:27 S 17 22 13.382 +64 43 41.02 V C57
2019-09-17 15:44:27 s 1 -57450.266 0 +382583.93 5590.0 C57
2019-09-17 16:14:27 S 17 22 15.938 +64 44 00.67 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)