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
2019-10-02 07:44:27 s 1 -112853.86 9 +359499.65 3440.0 C57
2019-10-02 09:14:27 S 18 04 17.705 +68 09 42.91 V C57
2019-10-02 09:14:27 s 1 -115572.48 7 +357490.54 1460.0 C57
2019-10-02 09:44:27 S 18 04 25.514 +68 10 11.46 V C57
2019-10-02 09:44:27 s 1 -116473.03 8 +356803.53 180.0 C57
2019-10-02 10:14:27 S 18 04 33.792 +68 10 43.68 V C57
2019-10-02 10:14:27 s 1 -117370.71 3 +356107.86 3440.0 C57
2019-10-02 10:44:27 S 18 04 41.546 +68 11 13.38 V C57
2019-10-02 10:44:27 s 1 -118265.48 2 +355403.51 1160.0 C57
2019-10-02 11:14:27 S 18 04 50.386 +68 11 44.66 V C57
2019-10-02 11:14:27 s 1 -119157.31 5 +354690.48 3250.0 C57
2019-10-02 11:44:27 S 18 04 57.499 +68 12 11.95 V C57
2019-10-02 11:44:27 s 1 -120046.18 3 +353968.76 9630.0 C57
2019-10-02 12:14:27 S 18 05 05.870 +68 12 43.56 V C57
2019-10-02 12:14:27 s 1 -120932.05 6 +353238.34 210.0 C57
2019-10-02 12:44:27 S 18 05 14.004 +68 13 10.78 V C57
2019-10-02 12:44:27 s 1 -121814.90 2 +352499.21 4900.0 C57
2019-10-02 13:14:27 S 18 05 21.737 +68 13 44.22 V C57
2019-10-02 13:14:27 s 1 -122694.69 2 +351751.37 3610.0 C57
2019-10-02 13:44:27 S 18 05 30.166 +68 14 14.39 V C57
2019-10-02 13:44:27 s 1 -123571.39 4 +350994.80 6250.0 C57
2019-10-02 14:14:26 S 18 05 38.321 +68 14 44.92 V C57
2019-10-02 14:14:26 s 1 -124444.97 7 +350229.49 2730.0 C57
2019-10-02 14:44:27 S 18 05 46.260 +68 15 12.17 V C57
2019-10-02 14:44:27 s 1 -125315.41 0 +349455.44 2970.0 C57
2019-10-02 15:14:27 S 18 05 54.146 +68 15 46.22 V C57
2019-10-02 15:14:27 s 1 -126182.66 1 +348672.63 6860.0 C57
2019-10-02 15:44:26 S 18 06 02.556 +68 16 18.08 V C57
2019-10-02 15:44:26 s 1 -127046.69 8 +347881.05 4330.0 C57
2019-10-02 16:44:27 S 18 06 19.265 +68 17 21.44 V C57
2019-10-02 16:44:27 s 1 -128765.00 1 +346271.57 9580.0 C57
2019-10-02 17:44:27 S 18 06 35.539 +68 18 21.67 V C57
2019-10-02 17:44:27 s 1 -130470.05 8 +344626.89 7980.0 C57
2019-10-02 18:14:27 S 18 06 43.682 +68 18 54.04 V C57
2019-10-02 18:14:27 s 1 -131317.53 7 +343791.33 1870.0 C57
2019-10-02 18:44:26 S 18 06 51.972 +68 19 25.18 V C57
2019-10-02 18:44:26 s 1 -132161.60 4 +342946.94 8770.0 C57
2019-10-02 19:14:27 S 18 07 00.250 +68 19 57.14 V C57
2019-10-02 19:14:27 s 1 -133002.22 5 +342093.71 8560.0 C57
2019-10-02 19:44:27 S 18 07 08.544 +68 20 30.77 V C57
2019-10-02 19:44:27 s 1 -133839.36 6 +341231.62 1160.0 C57
2019-10-02 20:14:26 S 18 07 17.386 +68 21 00.07 V C57
2019-10-02 20:14:26 s 1 -134672.99 3 +340360.67 6460.0 C57
2019-10-02 21:14:27 S 18 07 33.970 +68 22 07.28 V C57
2019-10-02 21:14:27 s 1 -136329.56 4 +338592.12 4780.0 C57
2019-10-02 21:44:26 S 18 07 41.738 +68 22 38.50 V C57
2019-10-02 21:44:26 s 1 -137152.43 6 +337694.49 7590.0 C57
2019-10-02 22:14:27 S 18 07 50.126 +68 23 09.24 V C57
2019-10-02 22:14:27 s 1 -137971.65 3 +336787.95 2710.0 C57
2019-10-02 22:44:27 S 18 07 58.596 +68 23 44.27 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)