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
2019-09-22 07:59:00 C 17 28 08.55 +66 12 25.9 V T05
2019-09-22 08:14:29 C 17 28 09.67 +66 12 32.1 V T05
2019-09-25 03:27:51 C 17 34 32.07 +66 51 32.0 U I41
2019-09-25 03:39:55 C 17 34 33.07 +66 51 38.4 U I41
2019-09-25 04:20:54 C 17 34 36.56 +66 51 59.1 U I41
2019-09-25 05:03:00 C 17 34 40.34 +66 52 20.0 U I41
2019-09-25 13:44:27 S 17 32 50.926 +66 46 57.47 V C57
2019-09-25 13:44:27 s 1 +146839.62 9 +60701.984 10.0 C57
2019-09-25 14:14:27 S 17 32 53.434 +66 46 54.30 V C57
2019-09-25 14:14:27 s 1 +147539.93 7 +63796.983 6830.0 C57
2019-09-25 14:44:27 S 17 32 56.515 +66 46 49.51 V C57
2019-09-25 14:44:27 s 1 +148199.20 0 +66874.164 9770.0 C57
2019-09-25 15:44:27 S 17 33 02.004 +66 46 44.69 V C57
2019-09-25 15:44:27 s 1 +149399.22 3 +72974.110 6870.0 C57
2019-09-25 16:14:27 S 17 33 04.882 +66 46 43.07 V C57
2019-09-25 16:14:27 s 1 +149942.19 9 +75996.468 7170.0 C57
2019-09-25 16:44:27 S 17 33 07.997 +66 46 37.24 V C57
2019-09-25 16:44:27 s 1 +150448.56 3 +79000.192 5900.0 C57
2019-09-25 17:14:27 S 17 33 11.196 +66 46 37.52 V C57
2019-09-25 17:14:27 s 1 +150919.32 9 +81985.143 5880.0 C57
2019-09-25 17:44:27 S 17 33 13.879 +66 46 33.49 V C57
2019-09-25 17:44:27 s 1 +151355.47 5 +84951.203 9870.0 C57
2019-09-25 18:14:27 S 17 33 17.234 +66 46 32.02 V C57
2019-09-25 18:14:27 s 1 +151757.94 5 +87898.277 490.0 C57
2019-09-25 18:44:27 S 17 33 20.203 +66 46 33.74 V C57
2019-09-25 18:44:27 s 1 +152127.64 8 +90826.286 320.0 C57
2019-09-25 19:44:27 S 17 33 26.849 +66 46 27.88 V C57
2019-09-25 19:44:27 s 1 +152772.24 8 +96624.878 7410.0 C57
2019-09-25 20:44:27 S 17 33 33.528 +66 46 26.18 V C57
2019-09-25 20:44:27 s 1 +153295.95 7 +102346.66 30.0 C57
2019-09-25 21:14:27 S 17 33 36.605 +66 46 28.13 V C57
2019-09-25 21:14:27 s 1 +153514.44 3 +105178.71 1490.0 C57
2019-09-25 21:44:27 S 17 33 39.893 +66 46 26.54 V C57
2019-09-25 21:44:27 s 1 +153705.01 1 +107991.54 5870.0 C57
2019-09-25 22:14:27 S 17 33 43.589 +66 46 23.70 V C57
2019-09-25 22:14:27 s 1 +153868.37 8 +110785.15 5220.0 C57
2019-09-25 22:44:27 S 17 33 46.687 +66 46 23.12 V C57
2019-09-25 22:44:27 s 1 +154005.23 6 +113559.57 1510.0 C57
2019-09-25 23:44:27 S 17 33 54.209 +66 46 22.94 V C57
2019-09-25 23:44:27 s 1 +154202.07 5 +119050.96 2520.0 C57
2019-09-26 02:44:27 S 17 34 15.578 +66 46 27.08 V C57
2019-09-26 02:44:27 s 1 +154221.62 9 +135069.10 9480.0 C57
2019-09-26 03:44:27 S 17 34 23.292 +66 46 27.16 V C57
2019-09-26 03:44:27 s 1 +154052.75 4 +140258.15 9540.0 C57
2019-09-26 04:14:27 S 17 34 28.157 +66 46 32.05 V C57
2019-09-26 04:14:27 s 1 +153937.73 7 +142824.82 6450.0 C57
2019-09-26 05:53:22 C 17 37 28.12 +67 08 19.8 V T05
2019-09-26 05:58:01 C 17 37 28.60 +67 08 22.0 V T05
2019-09-26 06:06:48 C 17 37 29.33 +67 08 27.2 V T05
2019-09-26 06:41:12 C 17 37 32.50 +67 08 45.4 V T05
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)