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
2019-09-07 20:14:28 s 1 -197807.60 4 +254525.48 4820.0 C57
2019-09-08 06:07:43 C 17 10 22.42 +63 50 27.5 V T08
2019-09-08 06:11:44 C 17 10 22.58 +63 50 29.3 V T08
2019-09-08 06:20:26 C 17 10 22.70 +63 50 31.1 V T08
2019-09-08 06:39:49 C 17 10 23.06 +63 50 35.9 V T08
2019-09-08 08:14:28 S 17 13 35.033 +63 40 05.99 V C57
2019-09-08 08:14:28 s 1 -205425.39 6 +215048.09 1790.0 C57
2019-09-08 08:44:28 S 17 13 34.740 +63 40 24.02 V C57
2019-09-08 08:44:28 s 1 -205632.67 6 +213279.79 880.0 C57
2019-09-08 09:14:27 S 17 13 35.642 +63 40 45.19 V C57
2019-09-08 09:14:27 s 1 -205830.23 3 +211501.38 5600.0 C57
2019-09-08 18:44:28 S 17 13 51.360 +63 46 30.11 V C57
2019-09-08 18:44:28 s 1 -207566.18 5 +175757.06 3740.0 C57
2019-09-08 20:14:27 S 17 13 53.700 +63 47 26.02 V C57
2019-09-08 20:14:27 s 1 -207453.53 6 +169767.04 640.0 C57
2019-09-08 20:44:28 S 17 13 54.293 +63 47 49.56 V C57
2019-09-08 20:44:28 s 1 -207390.07 7 +167749.00 9280.0 C57
2019-09-08 22:14:28 S 17 13 58.351 +63 48 46.51 V C57
2019-09-08 22:14:28 s 1 -207119.40 7 +161630.43 6910.0 C57
2019-09-10 01:27:51 C 17 11 50.26 +64 04 54.9 u H21
2019-09-10 01:29:55 C 17 11 50.30 +64 04 55.3 u H21
2019-09-10 01:31:59 C 17 11 50.33 +64 04 56.1 u H21
2019-09-10 01:34:03 C 17 11 50.37 +64 04 56.4 u H21
2019-09-10 01:36:07 C 17 11 50.41 +64 04 57.2 u H21
2019-09-10 01:38:11 C 17 11 50.45 +64 04 58.0 u H21
2019-09-10 01:40:15 C 17 11 50.50 +64 04 58.3 u H21
2019-09-10 01:42:13 C 17 11 50.51 +64 04 59.1 u H21
2019-09-10 19:50:15 C 17 12 29.82 +64 11 14.3 V 595
2019-09-10 20:03:05 C 17 12 30.17 +64 11 18.1 V 595
2019-09-10 20:15:55 C 17 12 30.50 +64 11 22.0 V 595
2019-09-12 10:14:27 S 17 12 19.315 +64 15 37.87 V C57
2019-09-12 10:14:27 s 1 +143152.42 7 +69563.826 9760.0 C57
2019-09-12 12:14:27 S 17 12 24.103 +64 15 16.34 V C57
2019-09-12 12:14:27 s 1 +145162.86 2 +81912.953 7750.0 C57
2019-09-12 14:14:27 S 17 12 29.758 +64 14 56.15 V C57
2019-09-12 14:14:27 s 1 +146590.76 9 +93933.172 9240.0 C57
2019-09-12 16:14:27 S 17 12 36.098 +64 14 44.30 V C57
2019-09-12 16:14:27 s 1 +147500.04 6 +105620.68 7910.0 C57
2019-09-12 16:44:27 S 17 12 37.668 +64 14 42.11 V C57
2019-09-12 16:44:27 s 1 +147652.96 2 +108490.54 5100.0 C57
2019-09-12 17:14:27 S 17 12 39.194 +64 14 36.02 V C57
2019-09-12 17:14:27 s 1 +147777.73 0 +111339.64 2010.0 C57
2019-09-12 18:44:27 S 17 12 44.686 +64 14 31.81 V C57
2019-09-12 18:44:27 s 1 +147990.58 7 +119762.93 2800.0 C57
2019-09-12 19:14:27 S 17 12 45.514 +64 14 30.52 V C57
2019-09-12 19:14:27 s 1 +148010.07 7 +122529.56 0.0 C57
2019-09-12 19:44:27 S 17 12 47.995 +64 14 25.26 V C57
2019-09-12 19:44:27 s 1 +148004.95 1 +125275.74 7290.0 C57
2019-09-12 20:44:27 S 17 12 50.966 +64 14 18.92 V C57
2019-09-12 20:44:27 s 1 +147923.37 7 +130707.08 9590.0 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)