488465 (1998 HK1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4268168262 ± 8.39e-08
Semi-major axis (a)2.1591287938 AU ± 1.57e-09
Inclination (i)7.92146136° ± 7.56e-06
Long. of Asc. Node (Ω)213.52686241° ± 1.61e-05
Arg. of Perihelion (ω)24.96447302° ± 3.29e-05
Mean Anomaly (M)243.02413250° ± 1.11e-05
Mean Motion (n)0.3106665199°/day ± 3.39e-10
Perihelion dist (q)1.23757629 AU ± 1.81e-07
Aphelion dist (Q)3.08068129 AU ± 1.81e-07
Orbital Period3.17261829 yr ± 3.46e-09
Physical Parameters
H (abs. magnitude)19.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.480″
Uncertainty0
Orbit TypeAmor
MOID0.233497 AU
Observations Used300
Oppositions15
Arc Total1998-2020
First Observation Used1998-04-01
Last Observation Used2020-01-23
Observations (310)
Date Type RA Dec Mag Band Observatory
2017-05-02 04:12:41 C 12 26 26.53 -02 38 59.7 q G96
2017-05-02 04:18:47 C 12 26 26.80 -02 38 54.1 q G96
2017-05-02 04:24:53 C 12 26 27.07 -02 38 48.2 q G96
2017-05-02 04:55:48 C 12 26 27.92 -02 38 19.7 q H45
2017-05-02 04:57:23 C 12 26 28.00 -02 38 18.7 q H45
2017-05-02 04:59:00 C 12 26 28.04 -02 38 16.8 q H45
2017-05-02 05:00:25 C 12 26 28.09 -02 38 15.7 q H45
2017-05-02 05:02:15 C 12 26 28.18 -02 38 13.5 q H45
2017-05-02 05:03:54 C 12 26 28.32 -02 38 12.0 q H45
2017-05-02 06:17:19 C 12 26 32.05 -02 37 00.5 q 703
2017-05-02 06:25:00 C 12 26 32.41 -02 36 52.9 q 703
2017-05-02 06:32:43 C 12 26 32.76 -02 36 45.4 q 703
2017-05-02 06:40:26 C 12 26 33.07 -02 36 38.4 q 703
2017-05-15 04:19:11 C 12 47 38.50 +01 45 53.2 q G96
2017-05-15 04:25:20 C 12 47 38.97 +01 45 57.5 q G96
2017-05-15 04:31:30 C 12 47 39.44 +01 46 01.8 q G96
2017-05-15 04:37:40 C 12 47 39.91 +01 46 06.3 q G96
2017-05-17 07:44:32 C 12 52 03.16 +02 21 07.6 q 703
2017-05-17 07:50:51 C 12 52 03.75 +02 21 11.4 q 703
2017-05-17 07:57:11 C 12 52 04.25 +02 21 16.5 q 703
2017-05-17 08:03:30 C 12 52 04.79 +02 21 19.8 q 703
2017-05-22 05:56:39 C 13 03 09.19 +03 31 05.7 q G96
2017-05-22 06:02:38 C 13 03 09.75 +03 31 08.5 q G96
2017-05-22 06:08:36 C 13 03 10.31 +03 31 11.7 q G96
2017-05-22 06:12:51 C 13 03 10.70 +03 31 14.3 q 703
2017-05-22 06:14:36 C 13 03 10.86 +03 31 15.0 q G96
2017-05-22 06:17:56 C 13 03 12.443 +03 31 22.08 L F51
2017-05-22 06:20:32 C 13 03 11.41 +03 31 18.0 q 703
2017-05-22 06:28:14 C 13 03 12.09 +03 31 22.4 q 703
2017-05-22 06:33:51 C 13 03 13.909 +03 31 30.43 L F51
2017-05-22 06:35:55 C 13 03 12.87 +03 31 26.2 q 703
2017-05-22 06:49:49 C 13 03 15.367 +03 31 38.88 L F51
2017-05-22 07:05:49 C 13 03 16.827 +03 31 47.19 L F51
2017-05-22 20:48:38 C 13 04 38.35 +03 38 39.9 U 130
2017-05-22 20:53:13 C 13 04 38.81 +03 38 41.6 U 130
2017-05-22 20:58:38 C 13 04 39.30 +03 38 44.7 U 130
2017-05-25 08:20:32 C 13 10 43.89 +04 06 52.4 L T08
2017-05-25 08:44:58 C 13 10 46.21 +04 07 01.1 L T08
2017-05-25 09:09:35 C 13 10 48.61 +04 07 12.2 L T08
2017-05-25 09:34:13 C 13 10 51.00 +04 07 22.9 L T08
2017-05-28 06:06:16 C 13 18 12.44 +04 34 03.6 q 703
2017-05-28 06:14:40 C 13 18 13.26 +04 34 05.6 q 703
2017-05-28 06:23:07 C 13 18 14.19 +04 34 09.0 q 703
2017-05-28 06:31:31 C 13 18 15.02 +04 34 11.0 q 703
2017-06-17 04:52:37 C 14 16 14.10 +05 07 07.4 q G96
2017-06-17 04:58:45 C 14 16 14.85 +05 07 06.1 q G96
2017-06-17 05:06:46 C 14 16 15.82 +05 07 04.6 q G96
2017-06-17 05:13:03 C 14 16 16.62 +05 07 03.3 q G96
2017-06-28 05:37:14 C 14 50 24.04 +03 48 13.1 q 703
2017-06-28 05:47:58 C 14 50 25.38 +03 48 09.3 q 703