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
1999-05-13 10:01:08 C 16 57 52.09 -00 38 34.8 18.2 a 704
1999-05-13 10:22:51 C 16 57 45.68 -00 39 10.6 19.9 a 704
1999-05-13 13:32:19 C 16 56 55.90 -00 44 44.8 z 411
1999-05-13 13:43:54 C 16 56 52.48 -00 45 04.9 z 411
1999-05-13 13:50:52 C 16 56 50.50 -00 45 17.3 z 411
1999-05-13 14:02:28 C 16 56 47.11 -00 45 37.0 z 411
1999-05-13 22:34:43 C 16 54 23.76 -01 00 31.8 z 610
1999-05-13 22:40:27 C 16 54 22.14 -01 00 41.1 z 610
1999-05-13 22:46:12 C 16 54 20.51 -01 00 50.5 z 610
1999-05-13 22:51:56 C 16 54 18.90 -01 00 59.9 z 610
1999-05-13 22:57:43 C 16 54 17.27 -01 01 09.3 z 610
1999-05-14 07:40:15 C 16 51 48.91 -01 15 06.6 z 860
1999-05-14 07:43:24 C 16 51 47.96 -01 15 11.3 z 860
1999-05-14 07:47:52 C 16 51 46.75 -01 15 19.6 z 860
1999-05-15 09:05:18 C 16 44 58.25 -01 59 01.0 16.1 a 704
1999-05-15 09:22:24 C 16 44 53.43 -01 59 29.8 a 704
1999-05-15 09:39:16 C 16 44 48.74 -01 59 58.4 17.7 a 704
1999-05-15 09:56:15 C 16 44 44.00 -02 00 25.4 17.7 a 704
1999-05-15 10:13:03 C 16 44 39.30 -02 00 54.1 a 704
1999-05-15 23:11:40 C 16 41 16.49 -02 22 34.9 16.6 145
1999-05-15 23:16:17 C 16 41 15.17 -02 22 42.5 16.7 145
1999-05-15 23:18:59 C 16 41 14.48 -02 22 46.3 16.8 145
1999-05-15 23:22:39 C 16 41 13.46 -02 22 52.9 16.6 145
1999-05-15 23:25:09 C 16 41 12.77 -02 22 57.1 16.8 145
1999-05-17 00:48:05 C 16 34 40.14 -03 04 01.2 c 118
1999-05-17 00:50:05 C 16 34 39.62 -03 04 04.3 c 118
1999-05-17 00:52:12 C 16 34 39.06 -03 04 07.7 c 118
1999-05-17 09:09:46 C 16 32 34.13 -03 17 06.2 17.9 a 704
1999-05-17 09:27:09 C 16 32 29.52 -03 17 35.0 a 704
1999-05-17 09:44:35 C 16 32 25.03 -03 18 01.6 a 704
1999-05-17 10:02:10 C 16 32 20.44 -03 18 29.9 a 704
1999-05-17 10:19:37 C 16 32 15.98 -03 18 56.3 18.8 a 704
1999-05-21 06:20:38 C 16 11 00.77 -05 35 24.1 16.6 a 704
1999-05-21 06:34:51 C 16 10 57.51 -05 35 43.3 17.3 a 704
1999-05-21 06:49:04 C 16 10 54.33 -05 36 04.0 a 704
1999-05-21 07:03:29 C 16 10 51.11 -05 36 23.7 17.3 a 704
1999-05-21 07:17:40 C 16 10 47.89 -05 36 43.4 a 704
1999-05-23 21:26:24 C 15 58 17.06 -06 59 01.4 z 610
1999-05-23 21:36:25 C 15 58 15.07 -06 59 14.1 z 610
1999-05-23 21:46:24 C 15 58 13.07 -06 59 26.8 z 610
1999-05-23 21:56:25 C 15 58 11.08 -06 59 39.5 z 610
1999-05-23 22:06:24 C 15 58 09.08 -06 59 52.2 z 610
1999-05-24 17:47:26 C 15 54 26.47 -07 23 18.0 422
1999-05-24 17:49:58 C 15 54 25.98 -07 23 21.0 422
1999-05-24 17:51:50 C 15 54 25.63 -07 23 23.2 422
1999-05-24 17:52:39 C 15 54 25.48 -07 23 24.1 422
1999-05-24 23:22:10 C 15 53 27.74 -07 31 04.7 c 118
1999-05-24 23:37:09 C 15 53 24.91 -07 31 22.6 c 118
1999-05-24 23:39:08 C 15 53 24.54 -07 31 25.2 c 118
1999-05-26 05:50:36 C 15 48 09.23 -08 06 53.0 z 711