523585 (1998 MW5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3629103954 ± 2.34e-08
Semi-major axis (a)1.0234803274 AU ± 1.42e-09
Inclination (i)6.29139451° ± 1.06e-06
Long. of Asc. Node (Ω)80.11990129° ± 9.45e-06
Arg. of Perihelion (ω)26.88347476° ± 1.01e-05
Mean Anomaly (M)316.86016458° ± 6.53e-06
Mean Motion (n)0.9519037268°/day ± 1.98e-09
Perihelion dist (q)0.65204868 AU ± 2.39e-08
Aphelion dist (Q)1.39491198 AU ± 2.40e-08
Orbital Period1.03542644 yr ± 2.16e-09
Physical Parameters
H (abs. magnitude)18.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.256″
Uncertainty0
Orbit TypeApollo
MOID0.075928 AU
Observations Used578
Oppositions1
Arc Total1998-2025
First Observation Used1998-06-24
Last Observation Used2025-08-03
Observations (631)
Date Type RA Dec Mag Band Observatory
1998-06-24 04:02:02 C 16 32 47.67 -24 37 36.8 18.2 a 704
1998-06-24 04:28:37 C 16 32 44.45 -24 37 45.5 17.9 a 704
1998-06-24 04:54:55 C 16 32 41.39 -24 37 50.6 18.2 a 704
1998-06-24 05:21:15 C 16 32 37.96 -24 37 57.0 18.5 a 704
1998-06-25 21:00:36 C 16 28 25.08 -24 46 35.8 046
1998-06-25 21:02:11 C 16 28 24.95 -24 46 35.9 046
1998-06-25 21:03:38 C 16 28 24.72 -24 46 36.5 046
1998-06-25 21:08:33 C 16 28 24.16 -24 46 37.7 046
1998-06-25 21:10:02 C 16 28 24.04 -24 46 38.6 046
1998-06-25 21:11:33 C 16 28 23.87 -24 46 39.0 046
1998-06-26 05:48:49 C 16 27 31.20 -24 48 22.3 z 711
1998-06-26 05:55:31 C 16 27 30.43 -24 48 22.8 z 711
1998-06-26 06:02:13 C 16 27 29.69 -24 48 23.4 z 711
1998-06-26 09:53:22 C 16 27 08.04 -24 48 46.2 426
1998-06-26 10:00:22 C 16 27 07.25 -24 48 47.8 426
1998-06-26 10:09:28 C 16 27 06.33 -24 48 50.3 426
1998-06-26 10:16:00 C 16 27 05.66 -24 48 51.7 426
1998-06-26 11:16:38 C 16 26 58.99 -24 49 06.4 422
1998-06-26 11:18:42 C 16 26 58.74 -24 49 06.7 422
1998-06-26 11:19:43 C 16 26 58.61 -24 49 06.9 422
1998-06-26 11:20:45 C 16 26 58.58 -24 49 07.1 422
1998-06-29 09:45:12 C 16 20 30.63 -25 02 14.0 426
1998-06-29 09:54:12 C 16 20 29.82 -25 02 14.7 426
1998-06-29 10:02:59 C 16 20 29.04 -25 02 16.7 426
1998-07-02 10:56:24 C 16 14 49.86 -25 14 15.0 422
1998-07-02 10:57:40 C 16 14 49.77 -25 14 15.9 422
1999-05-12 08:47:05 C 17 05 05.63 +00 05 57.8 17.8 a 704
1999-05-12 09:05:45 C 17 05 00.01 +00 05 23.4 18.9 a 704
1999-05-12 09:24:22 C 17 04 54.33 +00 04 51.9 a 704
1999-05-12 09:43:03 C 17 04 48.62 +00 04 18.6 a 704
1999-05-12 10:01:41 C 17 04 42.96 +00 03 46.5 17.5 a 704
1999-05-13 05:19:51 C 16 59 15.33 -00 30 21.9 17.2 a 704
1999-05-13 05:31:57 C 16 59 10.58 -00 30 37.5 c 758
1999-05-13 05:38:53 C 16 59 08.49 -00 30 49.7 c 758
1999-05-13 05:41:37 C 16 59 08.80 -00 30 58.9 17.7 a 704
1999-05-13 05:43:21 C 16 59 07.22 -00 30 57.1 c 758
1999-05-13 06:03:23 C 16 59 02.48 -00 31 36.9 a 704
1999-05-13 06:25:08 C 16 58 56.03 -00 32 15.3 a 704
1999-05-13 06:46:55 C 16 58 49.74 -00 32 54.6 a 704
1999-05-13 07:09:46 C 16 58 42.88 -00 33 33.9 17.8 a 704
1999-05-13 07:31:20 C 16 58 36.46 -00 34 12.3 18.2 a 704
1999-05-13 07:52:52 C 16 58 30.05 -00 34 50.5 a 704
1999-05-13 08:14:39 C 16 58 23.52 -00 35 27.9 a 704
1999-05-13 08:36:10 C 16 58 17.28 -00 36 05.8 18.3 a 704
1999-05-13 08:40:20 C 16 58 15.90 -00 36 17.6 c 713
1999-05-13 08:52:17 C 16 58 12.38 -00 36 38.7 c 713
1999-05-13 08:55:52 C 16 58 11.36 -00 36 40.3 17.9 a 704
1999-05-13 09:15:29 C 16 58 05.54 -00 37 19.1 c 713
1999-05-13 09:17:41 C 16 58 04.92 -00 37 18.7 a 704
1999-05-13 09:39:26 C 16 57 58.54 -00 37 55.6 a 704