499490 (2010 MW)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4713053482 ± 2.96e-08
Semi-major axis (a)2.2768046498 AU ± 7.81e-09
Inclination (i)21.35168134° ± 5.06e-06
Long. of Asc. Node (Ω)246.23738305° ± 7.19e-06
Arg. of Perihelion (ω)105.60074104° ± 1.02e-05
Mean Anomaly (M)135.33003297° ± 5.42e-06
Mean Motion (n)0.2868954243°/day ± 1.48e-09
Perihelion dist (q)1.20373444 AU ± 6.75e-08
Aphelion dist (Q)3.34987486 AU ± 6.84e-08
Orbital Period3.43548973 yr ± 1.77e-08
Physical Parameters
H (abs. magnitude)18.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.224″
Uncertainty0
Orbit TypeAmor
MOID0.384521 AU
Observations Used175
Oppositions10
Arc Total2010-2024
First Observation Used2010-06-18
Last Observation Used2024-12-24
Observations (201)
Date Type RA Dec Mag Band Observatory
2010-09-27 02:59:13 C 17 29 33.57 +02 46 57.2 o 291
2010-11-18 03:07:17 C 20 22 42.42 +04 25 55.2 o 291
2010-11-18 03:12:38 C 20 22 43.32 +04 25 56.8 o 291
2012-03-14 07:58:47 C 09 18 16.38 -15 15 18.4 o 695
2012-03-14 08:04:16 C 09 18 16.23 -15 15 16.3 o 695
2012-03-14 08:09:43 C 09 18 16.07 -15 15 14.9 o 695
2012-03-15 05:09:16 C 09 17 42.02 -15 07 39.0 o 695
2012-03-15 05:14:45 C 09 17 41.88 -15 07 37.0 o 695
2014-11-29 09:54:04 C 08 43 23.86 -02 28 25.3 o 695
2014-11-29 10:21:22 C 08 43 23.58 -02 28 38.6 o 695
2014-11-29 10:28:14 C 08 43 23.49 -02 28 42.2 o 695
2014-11-30 08:40:44 C 08 43 09.85 -02 39 37.8 o 695
2014-11-30 08:54:04 C 08 43 09.71 -02 39 44.7 o 695
2014-11-30 09:07:45 C 08 43 09.55 -02 39 51.0 o 695
2017-05-21 08:51:38 C 19 31 05.77 -08 13 10.4 t 705
2017-05-21 08:53:08 C 19 31 05.79 -08 13 08.8 t 705
2017-05-21 08:54:35 C 19 31 05.83 -08 13 07.0 t 705
2017-06-05 07:02:15 C 19 39 04.52 -00 13 33.3 o 291
2017-06-05 07:17:03 C 19 39 04.68 -00 13 10.6 o 291
2017-06-06 08:57:36 C 19 39 22.95 +00 26 04.5 o 695
2017-06-06 09:03:59 C 19 39 23.00 +00 26 14.3 o 695
2017-07-17 21:36:48 C 19 21 05.81 +30 17 25.2 q 157
2017-07-17 22:18:49 C 19 21 03.82 +30 18 35.7 q 157
2017-08-02 21:43:43 C 19 04 49.67 +39 23 19.3 U 204
2017-08-02 22:08:22 C 19 04 48.57 +39 23 47.9 U 204
2017-08-14 20:22:19 C 18 56 34.23 +43 59 27.6 q 157
2017-08-14 20:32:55 C 18 56 34.01 +43 59 35.8 q 157
2017-08-14 20:43:31 C 18 56 33.74 +43 59 44.2 q 157
2017-08-19 07:42:42 C 18 55 13.070 +45 16 45.66 L F51
2017-08-19 08:03:46 C 18 55 12.773 +45 16 59.46 L F51
2017-08-19 08:24:49 C 18 55 12.479 +45 17 13.12 L F51
2017-08-19 08:45:56 C 18 55 12.191 +45 17 26.64 L F51
2017-08-27 08:53:33 C 18 56 01.79 +47 05 03.3 L T05
2017-08-27 09:06:36 C 18 56 02.01 +47 05 09.6 L T05
2017-08-27 09:19:24 C 18 56 02.13 +47 05 15.0 L T05
2017-08-27 09:36:46 C 18 56 02.28 +47 05 22.8 L T05
2017-09-03 08:02:28 C 19 00 41.507 +48 11 54.61 L F51
2017-09-03 08:20:51 C 19 00 42.111 +48 12 00.27 L F51
2017-09-03 08:39:14 C 19 00 42.729 +48 12 05.99 L F51
2017-09-04 06:16:43 C 19 01 37.500 +48 19 08.80 L F51
2017-09-04 06:36:19 C 19 01 38.196 +48 19 15.05 L F51
2017-09-04 06:55:53 C 19 01 38.891 +48 19 21.16 L F51
2017-09-04 07:15:26 C 19 01 39.586 +48 19 27.17 L F51
2017-10-15 19:58:19 C 21 07 20.52 +45 40 08.2 19.9 t K63
2017-10-15 20:15:33 C 21 07 23.96 +45 39 53.7 19.2 t K63
2017-10-16 20:02:14 C 21 12 14.49 +45 19 19.5 U 130
2017-10-16 20:05:11 C 21 12 15.11 +45 19 17.3 U 130
2017-10-16 20:08:07 C 21 12 15.73 +45 19 14.8 U 130
2017-10-28 07:50:30 C 22 10 23.74 +40 05 34.0 q U63
2017-10-28 08:02:15 C 22 10 26.38 +40 05 17.0 q U63