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
2019-09-05 20:44:28 S 17 11 14.544 +63 09 39.17 V C57
2019-09-05 20:44:28 s 1 -133697.30 9 +359689.66 8630.0 C57
2019-09-06 01:14:28 S 17 11 26.352 +63 11 29.80 V C57
2019-09-06 01:14:28 s 1 -141398.45 5 +353005.53 8910.0 C57
2019-09-06 02:14:28 S 17 11 28.018 +63 12 01.84 V C57
2019-09-06 02:14:28 s 1 -143074.58 9 +351430.19 8040.0 C57
2019-09-06 03:14:28 S 17 11 31.706 +63 12 32.40 V C57
2019-09-06 03:14:28 s 1 -144737.40 6 +349822.01 1510.0 C57
2019-09-06 03:44:28 S 17 11 32.374 +63 12 45.00 V C57
2019-09-06 03:44:28 s 1 -145563.74 5 +349005.59 3400.0 C57
2019-09-06 08:14:28 S 17 11 44.590 +63 14 49.81 V C57
2019-09-06 08:14:28 s 1 -152843.17 5 +341286.36 9090.0 C57
2019-09-06 08:44:28 S 17 11 45.533 +63 15 02.41 V C57
2019-09-06 08:44:28 s 1 -153633.90 4 +340387.24 110.0 C57
2019-09-06 09:14:28 S 17 11 47.050 +63 15 16.20 V C57
2019-09-06 09:14:28 s 1 -154420.89 5 +339479.80 3530.0 C57
2019-09-06 09:44:28 S 17 11 48.739 +63 15 29.59 V C57
2019-09-06 09:44:28 s 1 -155204.11 3 +338564.03 9250.0 C57
2019-09-06 10:14:28 S 17 11 49.649 +63 15 48.42 V C57
2019-09-06 10:14:28 s 1 -155983.52 5 +337639.93 7180.0 C57
2019-09-06 10:44:28 S 17 11 51.182 +63 15 59.00 V C57
2019-09-06 10:44:28 s 1 -156759.09 7 +336707.47 7220.0 C57
2019-09-06 11:14:28 S 17 11 52.056 +63 16 07.61 V C57
2019-09-06 11:14:28 s 1 -157530.79 5 +335766.66 9260.0 C57
2019-09-06 11:44:28 S 17 11 53.635 +63 16 24.78 V C57
2019-09-06 11:44:28 s 1 -158298.58 3 +334817.48 3220.0 C57
2019-09-06 12:44:28 S 17 11 56.503 +63 16 57.18 V C57
2019-09-06 12:44:28 s 1 -159822.29 0 +332893.97 6450.0 C57
2019-09-06 15:14:28 S 17 12 03.266 +63 18 06.66 V C57
2019-09-06 15:14:28 s 1 -163560.64 6 +327937.99 5810.0 C57
2019-09-07 00:14:28 S 17 12 25.402 +63 22 31.08 V C57
2019-09-07 00:14:28 s 1 -176113.66 4 +308334.30 1910.0 C57
2019-09-07 00:59:11 C 17 09 30.24 +63 40 59.6 V W34
2019-09-07 01:20:48 C 17 09 30.64 +63 41 05.4 V W34
2019-09-07 01:31:35 C 17 09 30.80 +63 41 08.8 V W34
2019-09-07 07:44:28 S 17 12 42.967 +63 26 31.78 V C57
2019-09-07 07:44:28 s 1 -185358.06 8 +289847.16 9110.0 C57
2019-09-07 08:14:28 S 17 12 44.081 +63 26 42.07 V C57
2019-09-07 08:14:28 s 1 -185930.70 4 +288543.73 2540.0 C57
2019-09-07 08:44:28 S 17 12 45.053 +63 26 57.66 V C57
2019-09-07 08:44:28 s 1 -186497.58 3 +287231.32 2660.0 C57
2019-09-07 12:14:28 S 17 12 52.966 +63 28 44.04 V C57
2019-09-07 12:14:28 s 1 -190299.71 0 +277791.79 7550.0 C57
2019-09-07 13:44:28 S 17 12 57.079 +63 29 38.00 V C57
2019-09-07 13:44:28 s 1 -191836.97 9 +273609.83 6580.0 C57
2019-09-07 18:14:28 S 17 13 05.626 +63 32 02.08 V C57
2019-09-07 18:14:28 s 1 -196095.03 2 +260565.72 5530.0 C57
2019-09-07 18:44:28 S 17 13 07.224 +63 32 18.28 V C57
2019-09-07 18:44:28 s 1 -196533.91 5 +259069.79 3680.0 C57
2019-09-07 20:14:28 S 17 13 10.169 +63 33 12.92 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)