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
2019-09-03 22:14:28 s 1 -43017.863 0 +390400.51 8940.0 C57
2019-09-04 02:14:28 S 17 09 17.844 +62 53 19.00 V C57
2019-09-04 02:14:28 s 1 -51376.211 0 +390520.15 5670.0 C57
2019-09-04 02:44:28 S 17 09 18.420 +62 53 34.15 V C57
2019-09-04 02:44:28 s 1 -52416.258 0 +390497.95 7230.0 C57
2019-09-04 03:14:28 S 17 09 19.742 +62 53 38.29 V C57
2019-09-04 03:14:28 s 1 -53455.181 0 +390467.52 8350.0 C57
2019-09-04 03:44:28 S 17 09 21.389 +62 53 49.09 V C57
2019-09-04 03:44:28 s 1 -54492.961 0 +390428.88 9090.0 C57
2019-09-04 04:14:28 S 17 09 23.042 +62 54 00.22 V C57
2019-09-04 04:14:28 s 1 -55529.576 0 +390382.02 9520.0 C57
2019-09-04 07:44:28 S 17 09 32.198 +62 55 15.31 V C57
2019-09-04 07:44:28 s 1 -62751.559 0 +389824.61 9690.0 C57
2019-09-04 08:10:39 C 17 07 46.65 +63 21 15.8 V T08
2019-09-04 08:15:23 C 17 07 46.88 +63 21 16.7 V T08
2019-09-04 08:20:42 C 17 07 46.96 +63 21 17.5 V T08
2019-09-04 08:28:45 C 17 07 46.95 +63 21 19.7 V T08
2019-09-04 08:33:30 C 17 07 47.09 +63 21 20.1 V T08
2019-09-04 08:40:09 C 17 07 47.12 +63 21 21.9 V T08
2019-09-04 08:44:28 S 17 09 34.961 +62 55 30.90 V C57
2019-09-04 08:44:28 s 1 -64803.336 0 +389591.83 9140.0 C57
2019-09-04 08:49:38 C 17 07 47.27 +63 21 23.4 V T08
2019-09-04 09:14:28 S 17 09 36.706 +62 55 44.98 V C57
2019-09-04 09:14:28 s 1 -65827.180 0 +389463.21 8030.0 C57
2019-09-04 09:44:28 S 17 09 38.155 +62 55 53.29 V C57
2019-09-04 09:44:28 s 1 -66849.635 0 +389326.46 6470.0 C57
2019-09-04 10:14:28 S 17 09 39.478 +62 56 05.21 V C57
2019-09-04 10:14:28 s 1 -67870.680 0 +389181.56 4410.0 C57
2019-09-04 10:44:28 S 17 09 40.994 +62 56 15.47 V C57
2019-09-04 10:44:28 s 1 -68890.294 0 +389028.54 1780.0 C57
2019-09-04 14:44:28 S 17 09 51.175 +62 57 39.38 V C57
2019-09-04 14:44:28 s 1 -76993.224 0 +387512.24 1900.0 C57
2019-09-04 15:14:28 S 17 09 52.824 +62 57 53.17 V C57
2019-09-04 15:14:28 s 1 -77999.033 0 +387286.26 1050.0 C57
2019-09-04 21:44:28 S 17 10 11.364 +63 00 19.01 V C57
2019-09-04 21:44:28 s 1 -90917.899 0 +383613.88 1960.0 C57
2019-09-05 03:44:28 S 17 10 28.236 +63 02 38.72 V C57
2019-09-05 03:44:28 s 1 -102557.09 2 +379016.00 8470.0 C57
2019-09-05 08:44:28 S 17 10 42.583 +63 04 35.00 V C57
2019-09-05 08:44:28 s 1 -112018.57 5 +374299.66 510.0 C57
2019-09-05 09:14:28 S 17 10 43.608 +63 04 49.58 V C57
2019-09-05 09:14:28 s 1 -112951.87 2 +373783.76 1740.0 C57
2019-09-05 10:14:28 S 17 10 45.914 +63 05 10.57 V C57
2019-09-05 10:14:28 s 1 -114811.15 0 +372727.80 2920.0 C57
2019-09-05 13:14:28 S 17 10 54.314 +63 06 28.84 V C57
2019-09-05 13:14:28 s 1 -120328.74 0 +369366.47 960.0 C57
2019-09-05 14:14:28 S 17 10 56.395 +63 06 50.69 V C57
2019-09-05 14:14:28 s 1 -122147.20 4 +368181.46 6500.0 C57
2019-09-05 14:44:28 S 17 10 57.953 +63 07 06.10 V C57
2019-09-05 14:44:28 s 1 -123052.43 8 +367576.84 2590.0 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)