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
2019-09-30 21:44:27 s 1 -45925.346 0 +384405.05 2690.0 C57
2019-09-30 22:14:27 S 17 55 33.989 +67 38 33.18 V C57
2019-09-30 22:14:27 s 1 -46964.335 0 +384324.27 6960.0 C57
2019-09-30 23:14:27 S 17 55 48.458 +67 39 22.50 V C57
2019-09-30 23:14:27 s 1 -49038.898 0 +384137.00 5650.0 C57
2019-09-30 23:44:27 S 17 55 55.615 +67 39 45.22 V C57
2019-09-30 23:44:27 s 1 -50074.428 0 +384030.54 4550.0 C57
2019-10-01 00:14:27 S 17 56 02.234 +67 40 11.32 V C57
2019-10-01 00:14:27 s 1 -51108.761 0 +383915.52 3060.0 C57
2019-10-01 01:14:27 S 17 56 16.558 +67 40 59.12 V C57
2019-10-01 01:14:27 s 1 -53173.744 0 +383659.85 8650.0 C57
2019-10-01 02:44:27 S 17 56 37.764 +67 42 09.58 V C57
2019-10-01 02:44:27 s 1 -56261.679 0 +383212.31 7360.0 C57
2019-10-01 03:14:27 S 17 56 44.940 +67 42 37.37 V C57
2019-10-01 03:14:27 s 1 -57288.357 0 +383046.07 2080.0 C57
2019-10-01 04:20:55 C 17 55 11.84 +68 34 33.6 V 703
2019-10-01 04:28:39 C 17 55 13.21 +68 34 38.5 V 703
2019-10-01 04:36:24 C 17 55 14.57 +68 34 44.1 V 703
2019-10-01 04:44:08 C 17 55 15.89 +68 34 48.8 V 703
2019-10-01 04:44:27 S 17 57 06.972 +67 43 50.41 V C57
2019-10-01 04:44:27 s 1 -60360.179 0 +382496.23 690.0 C57
2019-10-01 05:44:27 S 17 57 21.350 +67 44 41.78 V C57
2019-10-01 05:44:27 s 1 -62400.991 0 +382087.08 1110.0 C57
2019-10-01 06:14:27 S 17 57 28.166 +67 45 05.04 V C57
2019-10-01 06:14:27 s 1 -63419.209 0 +381869.74 9520.0 C57
2019-10-01 06:44:27 S 17 57 35.580 +67 45 30.38 V C57
2019-10-01 06:44:27 s 1 -64435.937 0 +381643.89 6630.0 C57
2019-10-01 09:44:27 S 17 58 18.487 +67 47 58.85 V C57
2019-10-01 09:44:27 s 1 -70503.767 0 +380110.23 8130.0 C57
2019-10-01 10:14:27 S 17 58 26.282 +67 48 28.08 V C57
2019-10-01 10:14:27 s 1 -71509.435 0 +379824.87 4200.0 C57
2019-10-01 10:44:27 S 17 58 33.245 +67 48 51.44 V C57
2019-10-01 10:44:27 s 1 -72513.431 0 +379531.01 8410.0 C57
2019-10-01 12:14:27 S 17 58 55.558 +67 50 09.46 V C57
2019-10-01 12:14:27 s 1 -75515.159 0 +378598.46 9180.0 C57
2019-10-01 12:44:27 S 17 59 03.602 +67 50 36.96 V C57
2019-10-01 12:44:27 s 1 -76512.237 0 +378270.62 5240.0 C57
2019-10-01 13:14:27 S 17 59 10.951 +67 51 05.54 V C57
2019-10-01 13:14:27 s 1 -77507.527 0 +377934.29 9090.0 C57
2019-10-01 13:44:27 S 17 59 18.377 +67 51 32.62 V C57
2019-10-01 13:44:27 s 1 -78501.006 0 +377589.46 650.0 C57
2019-10-01 15:14:27 S 17 59 39.960 +67 52 49.37 V C57
2019-10-01 15:14:27 s 1 -81470.340 0 +376503.98 910.0 C57
2019-10-01 15:44:27 S 17 59 47.863 +67 53 17.02 V C57
2019-10-01 15:44:27 s 1 -82456.337 0 +376125.15 2620.0 C57
2019-10-01 16:14:27 S 17 59 55.402 +67 53 41.32 V C57
2019-10-01 16:14:27 s 1 -83440.405 0 +375737.83 1670.0 C57
2019-10-01 16:44:27 S 18 00 02.014 +67 54 09.86 V C57
2019-10-01 16:44:27 s 1 -84422.519 0 +375342.00 8010.0 C57
2019-10-01 17:44:27 S 18 00 17.028 +67 55 01.38 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)