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
2019-10-01 17:44:27 s 1 -86380.790 0 +374524.84 2240.0 C57
2019-10-01 18:14:27 S 18 00 25.466 +67 55 28.99 V C57
2019-10-01 18:14:27 s 1 -87356.898 0 +374103.50 9980.0 C57
2019-10-01 19:44:27 S 18 00 47.558 +67 56 50.53 V C57
2019-10-01 19:44:27 s 1 -90272.820 0 +372788.41 4860.0 C57
2019-10-01 20:14:27 S 18 00 55.284 +67 57 18.97 V C57
2019-10-01 20:14:27 s 1 -91240.578 0 +372333.02 110.0 C57
2019-10-01 20:44:27 S 18 01 02.875 +67 57 44.39 V C57
2019-10-01 20:44:27 s 1 -92206.186 0 +371869.11 2060.0 C57
2019-10-01 21:14:27 S 18 01 10.673 +67 58 11.75 V C57
2019-10-01 21:14:27 s 1 -93169.621 0 +371396.67 630.0 C57
2019-10-01 21:44:27 S 18 01 17.933 +67 58 42.02 V C57
2019-10-01 21:44:27 s 1 -94130.856 0 +370915.72 5740.0 C57
2019-10-01 22:14:27 S 18 01 25.579 +67 59 08.05 V C57
2019-10-01 22:14:27 s 1 -95089.867 0 +370426.23 7320.0 C57
2019-10-01 22:44:27 S 18 01 33.852 +67 59 37.43 V C57
2019-10-01 22:44:27 s 1 -96046.628 0 +369928.21 5290.0 C57
2019-10-01 23:14:27 S 18 01 41.242 +68 00 04.39 V C57
2019-10-01 23:14:27 s 1 -97001.114 0 +369421.65 9580.0 C57
2019-10-01 23:44:27 S 18 01 48.010 +68 00 32.29 V C57
2019-10-01 23:44:27 s 1 -97953.299 0 +368906.55 100.0 C57
2019-10-02 00:14:27 S 18 01 56.402 +68 00 59.62 V C57
2019-10-02 00:14:27 s 1 -98903.157 0 +368382.91 6790.0 C57
2019-10-02 00:44:27 S 18 02 04.392 +68 01 30.14 V C57
2019-10-02 00:44:27 s 1 -99850.663 0 +367850.73 9570.0 C57
2019-10-02 01:14:27 S 18 02 12.187 +68 01 57.29 V C57
2019-10-02 01:14:27 s 1 -100795.79 0 +367309.98 8350.0 C57
2019-10-02 01:44:27 S 18 02 19.639 +68 02 26.34 V C57
2019-10-02 01:44:27 s 1 -101738.51 3 +366760.68 3060.0 C57
2019-10-02 02:14:27 S 18 02 26.926 +68 02 54.06 V C57
2019-10-02 02:14:27 s 1 -102678.80 5 +366202.82 3630.0 C57
2019-10-02 02:44:27 S 18 02 35.489 +68 03 24.55 V C57
2019-10-02 02:44:27 s 1 -103616.63 9 +365636.39 9970.0 C57
2019-10-02 03:14:27 S 18 02 43.039 +68 03 53.17 V C57
2019-10-02 03:14:27 s 1 -104551.98 9 +365061.39 2010.0 C57
2019-10-02 05:14:27 S 18 03 14.006 +68 05 47.08 V C57
2019-10-02 05:14:27 s 1 -108268.00 8 +362675.54 5530.0 C57
2019-10-02 05:32:39 C 18 00 21.69 +68 56 14.0 V T08
2019-10-02 05:37:17 C 18 00 22.55 +68 56 17.7 V T08
2019-10-02 05:44:27 S 18 03 22.550 +68 06 16.09 V C57
2019-10-02 05:44:27 s 1 -109190.53 1 +362057.59 4850.0 C57
2019-10-02 05:46:01 C 18 00 24.08 +68 56 24.1 V T08
2019-10-02 06:00:16 C 18 00 26.65 +68 56 34.7 V T08
2019-10-02 06:14:27 S 18 03 30.002 +68 06 42.91 V C57
2019-10-02 06:14:27 s 1 -110110.40 7 +361431.03 9380.0 C57
2019-10-02 06:44:27 S 18 03 38.117 +68 07 17.47 V C57
2019-10-02 06:44:27 s 1 -111027.60 7 +360795.86 9040.0 C57
2019-10-02 07:14:27 S 18 03 46.248 +68 07 45.12 V C57
2019-10-02 07:14:27 s 1 -111942.10 4 +360152.07 3760.0 C57
2019-10-02 07:44:27 S 18 03 53.429 +68 08 11.22 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)