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
2019-07-25 14:14:29 S 17 20 03.946 +58 11 57.12 V C57
2019-07-25 14:14:29 s 1 -108723.45 4 +388916.83 410.0 C57
2019-07-25 15:44:29 S 17 20 00.242 +58 12 52.88 V C57
2019-07-25 15:44:29 s 1 -111518.77 7 +387654.46 8630.0 C57
2019-07-25 17:14:29 S 17 19 57.991 +58 13 40.62 V C57
2019-07-25 17:14:29 s 1 -114294.92 5 +386323.18 7840.0 C57
2019-07-26 17:03:17 S 17 17 34.226 +58 42 28.19 L C51
2019-07-26 20:11:36 S 17 17 26.318 +58 43 53.69 L C51
2019-08-01 06:19:33 C 17 12 25.36 +59 36 09.4 U I41
2019-08-01 06:41:26 C 17 12 24.41 +59 36 16.4 U I41
2019-08-01 07:23:31 C 17 12 22.63 +59 36 29.7 U I41
2019-08-01 08:35:11 C 17 12 19.74 +59 36 51.2 U I41
2019-08-23 01:44:28 S 17 06 23.930 +61 44 40.45 V C57
2019-08-23 01:44:28 s 1 -135161.03 5 +363387.75 8500.0 C57
2019-08-23 02:44:28 S 17 06 24.746 +61 45 04.68 V C57
2019-08-23 02:44:28 s 1 -136926.00 6 +362046.02 8220.0 C57
2019-08-23 03:14:28 S 17 06 25.687 +61 45 17.68 V C57
2019-08-23 03:14:28 s 1 -137804.01 0 +361362.99 730.0 C57
2019-08-23 04:44:28 S 17 06 27.182 +61 45 48.31 V C57
2019-08-23 04:44:28 s 1 -140419.76 2 +359265.12 7890.0 C57
2019-08-23 15:14:28 S 17 06 36.751 +61 49 49.15 V C57
2019-08-23 15:14:28 s 1 -157902.67 3 +342522.01 4270.0 C57
2019-08-24 12:44:28 S 17 06 53.938 +61 58 33.74 V C57
2019-08-24 12:44:28 s 1 -188162.87 6 +296769.56 1030.0 C57
2019-08-24 13:44:28 S 17 06 53.899 +61 58 59.20 V C57
2019-08-24 13:44:28 s 1 -189350.68 7 +294256.36 1930.0 C57
2019-08-25 07:04:36 C 17 04 26.78 +62 17 05.8 V T05
2019-08-25 07:08:39 C 17 04 26.88 +62 17 07.4 V T05
2019-08-25 07:17:16 C 17 04 26.65 +62 17 09.0 V T05
2019-08-25 07:33:30 C 17 04 26.45 +62 17 12.4 V T05
2019-08-27 06:27:43 C 17 04 44.96 +62 28 52.4 U I41
2019-08-27 07:04:18 C 17 04 45.03 +62 28 58.9 U I41
2019-08-28 07:02:13 C 17 04 58.42 +62 35 06.3 U I41
2019-08-28 07:35:59 C 17 04 58.61 +62 35 12.0 U I41
2019-09-01 02:14:28 S 17 05 58.978 +62 36 23.62 V C57
2019-09-01 02:14:28 s 1 +97880.253 0 +299960.28 4420.0 C57
2019-09-01 05:44:28 S 17 06 08.566 +62 36 48.10 V C57
2019-09-01 05:44:28 s 1 +91340.219 0 +309212.70 7080.0 C57
2019-09-01 09:14:28 S 17 06 17.426 +62 37 27.19 V C57
2019-09-01 09:14:28 s 1 +84634.972 0 +317893.43 2030.0 C57
2019-09-01 10:44:28 S 17 06 21.490 +62 37 38.42 V C57
2019-09-01 10:44:28 s 1 +81716.014 0 +321442.97 6880.0 C57
2019-09-01 12:14:28 S 17 06 25.819 +62 37 54.88 V C57
2019-09-01 12:14:28 s 1 +78772.134 0 +324891.87 5660.0 C57
2019-09-01 12:44:28 S 17 06 26.261 +62 38 01.03 V C57
2019-09-01 12:44:28 s 1 +77785.558 0 +326019.36 1460.0 C57
2019-09-01 15:44:28 S 17 06 35.004 +62 38 31.13 V C57
2019-09-01 15:44:28 s 1 +71814.278 0 +332554.69 3950.0 C57
2019-09-01 16:14:28 S 17 06 35.993 +62 38 35.70 V C57
2019-09-01 16:14:28 s 1 +70810.896 0 +333606.04 610.0 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)