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
2009-08-18 08:57:46 C 00 15 19.26 +14 43 17.3 r 703
2009-08-18 09:07:17 C 00 15 20.12 +14 43 28.7 r 703
2009-08-18 09:16:43 C 00 15 21.02 +14 43 38.9 r 703
2009-08-21 01:24:55 C 00 21 29.56 +15 54 50.6 o B88
2009-08-21 01:35:17 C 00 21 30.49 +15 55 01.3 o B88
2009-08-21 01:45:38 C 00 21 31.37 +15 55 12.5 o B88
2009-08-21 07:43:07 C 00 22 05.76 +16 01 44.0 18.4 c 704
2009-08-21 08:00:54 C 00 22 07.34 +16 02 02.5 19.1 c 704
2009-08-21 08:18:38 C 00 22 08.77 +16 02 22.4 18.8 c 704
2009-08-21 08:36:24 C 00 22 10.29 +16 02 42.0 19.2 c 704
2009-08-21 08:54:10 C 00 22 11.86 +16 03 01.4 18.9 c 704
2009-08-22 02:05:01 C 00 23 47.86 +16 21 17.3 c J05
2009-08-22 02:11:20 C 00 23 48.40 +16 21 24.0 c J05
2009-08-22 02:15:07 C 00 23 48.73 +16 21 28.2 c J05
2009-08-23 06:33:33 C 00 26 25.42 +16 51 07.8 r H45
2009-08-23 06:35:14 C 00 26 25.58 +16 51 09.6 r H45
2009-08-23 06:37:15 C 00 26 25.73 +16 51 11.9 r H45
2009-08-23 06:39:24 C 00 26 25.91 +16 51 13.9 r H45
2009-08-23 06:41:28 C 00 26 26.08 +16 51 16.2 r H45
2009-08-23 06:43:04 C 00 26 26.21 +16 51 17.8 r H45
2009-08-26 07:47:47 C 00 32 55.11 +18 04 02.0 18.3 c 704
2009-08-26 08:24:03 C 00 32 57.93 +18 04 37.2 18.3 c 704
2009-08-26 08:42:12 C 00 32 59.32 +18 04 54.6 18.6 c 704
2009-08-26 09:00:22 C 00 33 00.75 +18 05 12.0 18.4 c 704
2009-08-30 20:34:03 C 00 41 54.56 +19 41 09.3 r B67
2009-08-30 20:47:32 C 00 41 55.61 +19 41 20.6 r B67
2009-08-30 21:01:22 C 00 41 56.66 +19 41 32.9 r B67
2009-09-02 06:14:03 C 00 46 18.04 +20 27 12.3 r H45
2009-09-02 06:16:08 C 00 46 18.16 +20 27 13.7 r H45
2009-09-02 06:18:22 C 00 46 18.25 +20 27 15.3 r H45
2009-09-02 06:21:21 C 00 46 18.43 +20 27 18.1 r H45
2009-09-02 06:22:38 C 00 46 18.56 +20 27 18.7 r H45
2009-09-02 06:24:29 C 00 46 18.67 +20 27 20.0 r H45
2009-09-09 22:30:43 C 00 58 28.80 +22 24 50.2 w 160
2009-09-09 22:35:48 C 00 58 29.05 +22 24 52.9 w 160
2009-09-09 22:41:40 C 00 58 29.35 +22 24 56.5 w 160
2009-09-10 06:34:04 C 00 58 55.92 +22 29 00.8 o H55
2009-09-10 06:45:29 C 00 58 56.49 +22 29 06.6 o H55
2009-09-10 06:46:32 C 00 58 56.52 +22 29 07.1 o H55
2009-09-10 06:51:12 C 00 58 56.76 +22 29 09.6 o H55
2009-09-11 23:54:57 C 01 01 12.01 +22 48 29.4 18.4 r 084
2009-09-13 01:30:22 C 01 02 32.42 +22 59 45.1 r J51
2009-09-13 01:41:12 C 01 02 32.85 +22 59 49.8 r J51
2009-09-13 01:55:08 C 01 02 33.41 +22 59 55.8 r J51
2009-09-15 00:58:45 C 01 04 49.09 +23 17 36.6 i 071
2009-09-15 01:10:04 C 01 04 49.51 +23 17 40.1 i 071
2009-09-18 06:34:56 C 01 08 08.66 +23 40 21.7 r 703
2009-09-18 06:46:08 C 01 08 09.02 +23 40 24.6 r 703
2009-09-18 06:57:27 C 01 08 09.34 +23 40 27.6 r 703
2009-09-18 07:08:55 C 01 08 09.70 +23 40 30.5 r 703