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
2019-10-03 15:14:27 s 1 -163366.86 1 +300553.76 4250.0 C57
2019-10-03 16:14:26 S 18 13 02.009 +68 43 43.03 V C57
2019-10-03 16:14:26 s 1 -164692.44 0 +298087.26 7220.0 C57
2019-10-03 16:44:27 S 18 13 10.234 +68 44 19.72 V C57
2019-10-03 16:44:27 s 1 -165347.31 1 +296839.68 5300.0 C57
2019-10-03 17:14:26 S 18 13 20.102 +68 44 55.75 V C57
2019-10-03 17:14:26 s 1 -165996.83 0 +295582.52 910.0 C57
2019-10-03 17:44:26 S 18 13 29.405 +68 45 30.89 V C57
2019-10-03 17:44:26 s 1 -166640.94 0 +294315.76 3880.0 C57
2019-10-03 18:14:27 S 18 13 37.594 +68 46 08.36 V C57
2019-10-03 18:14:27 s 1 -167279.58 6 +293039.38 4070.0 C57
2019-10-03 18:44:26 S 18 13 47.035 +68 46 46.60 V C57
2019-10-03 18:44:26 s 1 -167912.70 9 +291753.35 1300.0 C57
2019-10-03 23:14:26 S 18 15 09.324 +68 52 22.15 V C57
2019-10-03 23:14:26 s 1 -173352.45 8 +279741.03 6240.0 C57
2019-10-04 00:14:27 S 18 15 27.084 +68 53 41.57 V C57
2019-10-04 00:14:27 s 1 -174495.38 5 +276963.46 8300.0 C57
2019-10-04 00:44:26 S 18 15 36.444 +68 54 14.76 V C57
2019-10-04 00:44:26 s 1 -175057.47 0 +275559.77 6850.0 C57
2019-10-04 01:14:26 S 18 15 46.063 +68 54 56.41 V C57
2019-10-04 01:14:26 s 1 -175613.20 9 +274146.11 160.0 C57
2019-10-04 01:44:26 S 18 15 55.356 +68 55 32.92 V C57
2019-10-04 01:44:26 s 1 -176162.53 5 +272722.44 8040.0 C57
2019-10-04 02:44:26 S 18 16 13.531 +68 56 53.20 V C57
2019-10-04 02:44:26 s 1 -177241.65 9 +269845.02 6710.0 C57
2019-10-04 03:14:26 S 18 16 22.286 +68 57 30.13 V C57
2019-10-04 03:14:26 s 1 -177771.31 3 +268391.20 7100.0 C57
2019-10-04 03:44:26 S 18 16 32.033 +68 58 07.39 V C57
2019-10-04 03:44:26 s 1 -178294.26 4 +266927.27 1250.0 C57
2019-10-04 04:14:26 S 18 16 41.328 +68 58 45.80 V C57
2019-10-04 04:14:26 s 1 -178810.43 5 +265453.20 8950.0 C57
2019-10-04 04:19:48 C 18 11 39.16 +69 38 23.0 V 703
2019-10-04 04:27:33 C 18 11 41.06 +69 38 28.8 V 703
2019-10-04 04:35:18 C 18 11 42.94 +69 38 35.0 V 703
2019-10-04 04:43:03 C 18 11 44.96 +69 38 40.8 V 703
2019-10-04 04:44:26 S 18 16 50.798 +68 59 25.15 V C57
2019-10-04 04:44:26 s 1 -179319.75 1 +263968.96 9990.0 C57
2019-10-04 05:14:26 S 18 16 59.885 +69 00 04.54 V C57
2019-10-04 05:14:26 s 1 -179822.13 5 +262474.53 4160.0 C57
2019-10-04 05:44:26 S 18 17 09.883 +69 00 46.30 V C57
2019-10-04 05:44:26 s 1 -180317.50 7 +260969.88 1240.0 C57
2019-10-04 06:14:26 S 18 17 19.553 +69 01 27.44 V C57
2019-10-04 06:14:26 s 1 -180805.78 7 +259454.96 1000.0 C57
2019-10-04 06:44:26 S 18 17 28.358 +69 02 03.52 V C57
2019-10-04 06:44:26 s 1 -181286.89 6 +257929.77 3220.0 C57
2019-10-04 07:14:26 S 18 17 38.170 +69 02 46.86 V C57
2019-10-04 07:14:26 s 1 -181760.74 9 +256394.26 7660.0 C57
2019-10-04 07:44:26 S 18 17 46.877 +69 03 23.33 V C57
2019-10-04 07:44:26 s 1 -182227.26 3 +254848.40 4110.0 C57
2019-10-04 10:44:26 S 18 18 43.342 +69 07 24.74 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)