2009 ML1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4351438398 ± 2.70e-08
Semi-major axis (a)2.1543695262 AU ± 1.99e-08
Inclination (i)3.24203299° ± 1.97e-06
Long. of Asc. Node (Ω)278.94104034° ± 5.14e-05
Arg. of Perihelion (ω)63.51741401° ± 5.64e-05
Mean Anomaly (M)48.64183397° ± 3.07e-05
Mean Motion (n)0.3116965391°/day ± 4.32e-09
Perihelion dist (q)1.21690890 AU ± 5.92e-08
Aphelion dist (Q)3.09183015 AU ± 6.48e-08
Orbital Period3.16213419 yr ± 4.38e-08
Physical Parameters
H (abs. magnitude)19.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.302″
Uncertainty0
Orbit TypeAmor
MOID0.213620 AU
Observations Used229
Oppositions11
Arc Total2009-2025
First Observation Used2009-06-23
Last Observation Used2025-12-10
Observations (243)
Date Type RA Dec Mag Band Observatory
2009-10-19 18:26:33 C 01 20 06.67 +21 40 07.7 r C00
2009-10-19 18:38:00 C 01 20 06.70 +21 40 03.9 r C00
2009-10-19 19:05:19 C 01 20 06.78 +21 39 52.8 r C00
2009-10-22 21:17:02 C 01 20 34.76 +21 09 14.2 o 196
2009-10-22 21:45:45 C 01 20 34.79 +21 09 02.3 o 196
2009-10-25 23:01:25 C 01 21 08.52 +20 38 27.1 w 160
2009-10-25 23:05:34 C 01 21 08.54 +20 38 25.0 w 160
2009-10-25 23:09:29 C 01 21 08.54 +20 38 23.7 w 160
2009-10-26 20:39:59 C 01 21 20.94 +20 29 26.0 c 560
2009-10-26 20:42:16 C 01 21 20.93 +20 29 24.9 c 560
2009-10-26 20:44:33 C 01 21 20.92 +20 29 23.7 c 560
2009-10-26 21:03:00 C 01 21 21.04 +20 29 16.6 w 160
2009-10-26 21:06:47 C 01 21 21.05 +20 29 15.5 w 160
2009-10-26 21:10:37 C 01 21 21.06 +20 29 13.3 w 160
2009-11-11 19:49:39 C 01 27 25.85 +18 07 47.2 u B23
2009-11-11 19:54:41 C 01 27 25.91 +18 07 46.0 u B23
2009-11-11 19:59:45 C 01 27 26.03 +18 07 43.1 u B23
2009-11-16 05:13:50 C 01 30 05.70 +17 38 16.2 19.8 c 704
2009-11-16 05:31:41 C 01 30 06.04 +17 38 11.8 19.6 c 704
2009-11-16 05:49:24 C 01 30 06.43 +17 38 08.6 19.7 c 704
2010-01-04 00:51:51 C 02 25 48.59 +17 09 31.0 o H21
2010-01-04 01:07:11 C 02 25 49.54 +17 09 33.1 o H21
2010-01-04 01:26:48 C 02 25 50.70 +17 09 36.0 o H21
2012-05-11 05:17:40 C 16 26 16.29 -25 57 12.7 o 807
2012-05-11 05:26:24 C 16 26 15.91 -25 57 11.8 o 807
2012-05-11 05:32:13 C 16 26 15.67 -25 57 11.1 o 807
2012-05-11 05:38:36 C 16 26 15.37 -25 57 10.5 o 807
2012-05-11 05:41:30 C 16 26 15.24 -25 57 10.3 o 807
2012-05-14 04:28:05 C 16 23 16.52 -25 49 49.2 o 807
2012-05-14 04:35:09 C 16 23 16.18 -25 49 48.5 o 807
2012-05-14 04:42:47 C 16 23 15.77 -25 49 47.5 o 807
2012-05-14 04:50:07 C 16 23 15.43 -25 49 46.3 o 807
2012-05-14 04:57:25 C 16 23 15.06 -25 49 45.5 o 807
2012-06-12 08:37:03 C 15 44 16.516 -23 14 43.48 L F51
2012-06-12 08:57:12 C 15 44 15.350 -23 14 37.52 L F51
2012-06-12 09:17:25 C 15 44 14.178 -23 14 31.45 L F51
2023-01-13 08:47:31 C 07 39 30.344 +20 08 07.99 U F52
2023-01-13 09:04:10 C 07 39 29.358 +20 08 09.85 U F52
2023-01-13 09:21:02 C 07 39 28.369 +20 08 11.45 U F52
2025-12-10 12:30:43 C 06 33 17.992 +24 24 03.42 X F52
2025-12-10 12:38:45 C 06 33 17.454 +24 24 03.28 X F52
2025-12-10 12:46:41 C 06 33 16.929 +24 24 02.55 X F52
2025-12-10 12:54:27 C 06 33 16.437 +24 24 02.81 X F52