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
2024-07-27 20:39:26 B 15 03 14.321 +63 56 04.45 X C95
2024-07-28 07:00:16 C 14 29 49.711 +64 48 18.97 V T05
2024-07-28 07:05:06 C 14 29 33.461 +64 48 31.68 V T05
2024-07-28 07:14:56 C 14 29 00.156 +64 48 56.74 V T05
2024-07-28 07:29:09 C 14 28 11.868 +64 49 35.54 V T05
2024-07-28 21:07:38 B 13 45 30.223 +65 06 54.32 X K87
2024-07-28 21:16:28 B 13 45 03.077 +65 06 45.65 X K87
2024-07-28 21:25:18 B 13 44 35.935 +65 06 37.08 X K87
2025-05-29 07:58:32 C 14 19 41.344 -21 45 47.93 X F51
2025-05-29 08:17:31 C 14 19 39.397 -21 45 31.55 X F51
2025-05-29 08:36:34 C 14 19 37.398 -21 45 15.42 X F51
2025-05-29 08:55:40 C 14 19 35.435 -21 44 59.24 X F51
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)