465402 (2008 HW1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.9600469670 ± 2.14e-09
Semi-major axis (a)2.5857488222 AU ± 8.71e-10
Inclination (i)10.46620799° ± 1.86e-06
Long. of Asc. Node (Ω)127.42972597° ± 1.29e-05
Arg. of Perihelion (ω)250.74299990° ± 1.21e-05
Mean Anomaly (M)69.97425658° ± 3.03e-07
Mean Motion (n)0.2370460773°/day ± 1.20e-10
Perihelion dist (q)0.10330851 AU ± 5.54e-09
Aphelion dist (Q)5.06818914 AU ± 5.80e-09
Orbital Period4.15795230 yr ± 2.10e-09
Physical Parameters
H (abs. magnitude)17.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.200″
Uncertainty0
Orbit TypeApollo
MOID0.107247 AU
Observations Used661
Oppositions13
Arc Total2008-2025
First Observation Used2008-03-30
Last Observation Used2025-05-03
Observations (729)
Date Type RA Dec Mag Band Observatory
2016-06-09 06:24:26 C 13 04 56.810 +08 39 04.09 L F51
2016-06-09 06:42:52 C 13 04 55.834 +08 39 04.99 L F51
2016-06-09 07:20:19 C 13 04 53.852 +08 39 06.83 L F51
2017-01-30 14:13:19 C 13 45 31.416 +00 17 19.83 L F51
2017-01-30 14:30:45 C 13 45 30.916 +00 17 27.20 L F51
2017-01-30 15:05:37 C 13 45 29.919 +00 17 41.40 L F51
2017-02-24 10:18:16 C 13 18 21.94 +05 17 14.8 q G96
2017-02-24 10:24:26 C 13 18 21.50 +05 17 19.4 q G96
2017-02-24 10:30:36 C 13 18 21.17 +05 17 21.6 q G96
2017-02-24 10:36:46 C 13 18 20.73 +05 17 26.0 q G96
2017-03-02 09:06:51 C 13 09 01.36 +06 38 29.9 q G96
2017-03-02 09:12:58 C 13 09 00.91 +06 38 34.0 q G96
2017-03-02 09:25:16 C 13 09 00.18 +06 38 41.8 q G96
2017-03-21 08:18:58 C 12 36 05.036 +10 37 56.01 L F51
2017-03-21 08:35:25 C 12 36 03.831 +10 38 03.59 L F51
2017-03-21 08:51:53 C 12 36 02.609 +10 38 11.02 L F51
2017-03-22 08:48:56 C 12 34 18.281 +10 48 58.54 L F51
2017-03-22 09:19:41 C 12 34 16.007 +10 49 12.69 L F51
2017-03-22 09:35:08 C 12 34 14.869 +10 49 19.36 L F51
2017-03-27 07:33:05 C 12 25 51.32 +11 38 43.8 q G96
2017-03-27 07:39:11 C 12 25 50.92 +11 38 46.2 q G96
2017-03-27 07:45:16 C 12 25 50.48 +11 38 49.1 q G96
2017-03-27 07:51:22 C 12 25 50.06 +11 38 51.5 q G96
2020-05-11 06:44:43 C 13 43 47.942 +05 06 17.47 U F52
2020-05-11 07:02:40 C 13 43 46.887 +05 06 22.31 U F52
2020-05-11 07:20:37 C 13 43 45.807 +05 06 26.94 U F52
2021-01-18 15:12:49 C 14 36 21.16 -05 58 53.7 V T08
2021-01-18 15:23:27 C 14 36 20.64 -05 58 47.0 V T08
2021-01-18 15:38:43 C 14 36 19.88 -05 58 35.7 V T08
2021-01-18 15:46:01 C 14 36 19.55 -05 58 31.1 V T08
2021-01-23 15:01:09 C 14 30 12.295 -04 31 52.94 U F51
2021-01-23 15:07:40 C 14 30 11.925 -04 31 48.07 U F51
2021-01-23 15:14:12 C 14 30 11.548 -04 31 43.16 U F51
2021-02-07 10:47:57 C 14 05 03.77 +00 27 38.8 V G96
2021-02-07 10:56:59 C 14 05 02.97 +00 27 47.3 V G96
2021-02-07 11:06:09 C 14 05 02.15 +00 27 55.8 V G96
2021-02-07 11:15:25 C 14 05 01.38 +00 28 03.3 V G96
2021-02-07 14:58:43 C 14 04 41.81 +00 31 34.8 V T08
2021-02-07 15:02:02 C 14 04 41.53 +00 31 36.4 V T08
2021-02-07 15:27:27 C 14 04 39.26 +00 32 01.5 V T08
2021-02-07 15:29:26 C 14 04 39.04 +00 32 02.7 V T08
2021-02-07 15:57:53 C 14 04 36.48 +00 32 29.0 V T08
2021-02-12 13:45:31 C 13 53 41.398 +02 24 59.35 U F52
2021-02-12 14:03:20 C 13 53 39.613 +02 25 16.78 U F52
2021-02-12 14:21:15 C 13 53 37.806 +02 25 34.24 U F52
2021-02-15 12:36:22 C 13 46 31.66 +03 34 47.3 V T08
2021-02-15 12:49:01 C 13 46 30.31 +03 35 00.3 V T08
2021-02-15 13:11:26 C 13 46 27.90 +03 35 23.1 V T08
2021-02-15 13:12:05 C 13 46 27.87 +03 35 22.3 V T08
2021-02-15 13:22:44 C 13 46 26.72 +03 35 35.3 V T08