2011 MW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2752622160 ± 2.38e-08
Semi-major axis (a)1.0557380670 AU ± 3.23e-10
Inclination (i)3.21863606° ± 1.16e-06
Long. of Asc. Node (Ω)276.68585724° ± 9.52e-06
Arg. of Perihelion (ω)124.89817711° ± 9.72e-06
Mean Anomaly (M)11.97275753° ± 9.01e-07
Mean Motion (n)0.9086110292°/day ± 4.18e-10
Perihelion dist (q)0.76513327 AU ± 2.51e-08
Aphelion dist (Q)1.34634287 AU ± 2.51e-08
Orbital Period1.08476152 yr ± 4.99e-10
Physical Parameters
H (abs. magnitude)22.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.220″
Uncertainty0
Orbit TypeApollo
MOID0.024990 AU
Observations Used438
Radar Obs Used5
Oppositions1
Arc Total2011-2025
First Observation Used2011-06-25
Last Observation Used2025-05-29
Observations (462)
Date Type RA Dec Mag Band Observatory
2011-07-08 17:21:08 C 22 34 42.24 -00 41 02.0 u D90
2011-07-08 17:26:38 C 22 34 43.56 -00 40 41.7 u D90
2011-07-08 17:29:47 C 22 34 44.27 -00 40 31.4 u D90
2011-07-09 07:51:16 C 22 38 30.93 +00 11 19.7 t H21
2011-07-09 07:54:10 C 22 38 31.66 +00 11 30.8 t H21
2011-07-09 07:57:17 C 22 38 32.44 +00 11 42.5 t H21
2011-07-09 08:00:12 C 22 38 33.17 +00 11 54.0 t H21
2011-07-11 23:33:04 C 22 57 29.00 +04 41 30.8 r A17
2011-07-12 00:08:28 C 22 57 40.26 +04 44 18.3 r A17
2011-07-12 08:03:54 C 23 00 18.66 +05 22 22.2 o H21
2011-07-12 08:09:54 C 23 00 20.56 +05 22 51.4 o H21
2011-07-12 08:16:19 C 23 00 22.63 +05 23 22.5 o H21
2011-07-15 08:03:50 C 23 28 14.55 +11 52 00.5 t H21
2011-07-15 08:09:37 C 23 28 16.97 +11 52 35.5 t H21
2011-07-15 08:15:32 C 23 28 19.45 +11 53 11.0 t H21
2011-07-15 08:21:14 C 23 28 21.82 +11 53 45.5 t H21
2011-07-15 23:35:57 C 23 35 20.04 +13 26 45.4 v 204
2011-07-15 23:56:01 C 23 35 29.16 +13 28 51.8 v 204
2011-07-16 00:17:03 C 23 35 38.72 +13 31 04.8 v 204
2011-07-18 08:18:38 C 00 04 53.34 +19 43 03.3 o H21
2011-07-18 08:26:58 C 00 04 57.94 +19 44 02.0 o H21
2011-07-18 08:31:00 C 00 05 00.19 +19 44 30.6 o H21
2011-07-22 07:41:08 C 01 10 32.27 +30 56 55.3 t H21
2011-07-22 07:46:39 C 01 10 36.54 +30 57 33.0 t H21
2011-07-22 07:52:10 C 01 10 40.85 +30 58 11.3 t H21
2011-07-23 08:19:37 C 01 30 50.00 +33 38 17.5 o H21
2011-07-23 08:23:48 C 01 30 53.45 +33 38 44.5 o H21
2011-07-23 08:28:06 C 01 30 56.99 +33 39 12.1 o H21
2011-07-23 08:32:08 C 01 31 00.32 +33 39 38.5 o H21
2011-07-23 08:35:54 C 01 31 03.46 +33 40 02.6 o H21
2011-07-23 08:39:32 C 01 31 06.45 +33 40 26.0 o H21
2012-05-19 09:26:21 C 15 27 29.135 -27 48 41.93 L F51
2012-05-19 09:48:39 C 15 27 25.879 -27 48 27.46 L F51
2012-05-19 10:10:56 C 15 27 22.634 -27 48 12.52 L F51
2013-03-18 08:25:19 C 13 53 58.10 -25 31 40.9 u 807
2013-03-18 08:35:18 C 13 53 57.03 -25 31 38.5 u 807
2013-03-18 08:45:01 C 13 53 55.99 -25 31 35.9 u 807
2014-02-04 04:04:28 C 02 14 55.75 -04 03 52.6 o 291
2014-02-04 04:06:42 C 02 14 57.04 -04 03 49.5 o 291
2014-02-04 04:08:57 C 02 14 58.35 -04 03 46.9 o 291
2024-06-02 09:45:36 C 20 06 02.20 -23 57 38.9 V 291
2024-06-02 10:02:21 C 20 06 02.77 -23 57 34.3 V 291
2024-06-02 10:19:03 C 20 06 03.36 -23 57 28.7 V 291
2024-06-02 13:35:54 C 20 06 11.672 -23 56 23.08 X F52
2024-06-02 13:51:02 C 20 06 12.182 -23 56 18.44 X F52
2024-06-02 14:06:12 C 20 06 12.697 -23 56 13.52 X F52
2024-06-02 14:21:24 C 20 06 13.202 -23 56 08.69 X F52
2024-06-04 09:11:13 C 20 08 00.80 -23 42 17.8 V 291
2024-06-04 09:23:49 C 20 08 01.17 -23 42 13.5 V 291
2024-06-04 09:36:25 C 20 08 01.58 -23 42 09.9 V 291
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2024-07-23 07:40:00 164820.181 0.2 Hz 8560 -14 -14
2024-07-23 07:50:00 27697712.202 20 us 8560 -14 -14
2024-07-23 08:10:00 27674931.822 1 us 8560 -14 -14
2024-07-25 07:40:00 25732715.62 1 us 8560 -14 -14
2024-07-25 07:40:00 10972.279 0.2 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)