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
2009-07-26 23:32:33 C 23 18 41.50 +03 28 51.4 o 198
2009-07-26 23:37:07 C 23 18 41.96 +03 28 57.3 o 198
2009-07-27 07:40:43 C 23 19 34.20 +03 39 18.7 o H55
2009-07-27 07:51:09 C 23 19 35.27 +03 39 32.1 o H55
2009-07-27 07:57:44 C 23 19 35.95 +03 39 40.6 o H55
2009-07-27 08:01:34 C 23 19 36.34 +03 39 45.5 o H55
2009-07-27 08:12:00 C 23 19 37.41 +03 39 58.8 o H55
2009-07-28 23:27:10 C 23 23 54.09 +04 30 15.7 v 204
2009-07-28 23:36:10 C 23 23 55.02 +04 30 27.2 v 204
2009-07-31 08:17:24 C 23 30 04.28 +05 43 38.1 r 703
2009-07-31 08:24:31 C 23 30 05.00 +05 43 47.7 r 703
2009-07-31 08:31:37 C 23 30 05.76 +05 43 56.4 r 703
2009-07-31 08:38:48 C 23 30 06.40 +05 44 05.9 r 703
2009-08-02 07:59:44 C 23 35 14.28 +06 45 20.2 18.7 c 704
2009-08-02 08:15:37 C 23 35 15.91 +06 45 40.4 19.2 c 704
2009-08-02 08:31:37 C 23 35 17.56 +06 46 01.5 19.0 c 704
2009-08-02 08:47:36 C 23 35 19.19 +06 46 22.3 19.1 c 704
2009-08-02 09:03:30 C 23 35 20.77 +06 46 42.9 19.4 c 704
2009-08-03 06:39:27 C 23 37 41.16 +07 14 35.3 o H55
2009-08-03 06:43:29 C 23 37 41.55 +07 14 40.6 o H55
2009-08-03 06:51:31 C 23 37 42.38 +07 14 51.1 o H55
2009-08-09 06:55:51 C 23 53 05.97 +10 19 31.1 o H55
2009-08-09 07:04:13 C 23 53 06.79 +10 19 41.6 o H55
2009-08-09 07:07:40 C 23 53 07.12 +10 19 45.9 o H55
2009-08-12 00:26:15 C 23 59 57.07 +11 41 26.4 w 160
2009-08-12 00:29:49 C 23 59 57.40 +11 41 31.1 w 160
2009-08-12 00:32:37 C 23 59 57.66 +11 41 33.4 w 160
2009-08-12 00:35:53 C 23 59 58.00 +11 41 38.6 w 160
2009-08-12 00:38:35 C 23 59 58.26 +11 41 42.3 w 160
2009-08-12 07:16:41 C 00 00 39.47 +11 49 55.7 o H55
2009-08-12 07:21:05 C 00 00 39.90 +11 50 01.2 o H55
2009-08-12 07:26:22 C 00 00 40.41 +11 50 07.6 o H55
2009-08-12 07:30:48 C 00 00 40.84 +11 50 13.1 o H55
2009-08-12 07:36:37 C 00 00 41.40 +11 50 20.3 o H55
2009-08-13 23:17:22 C 00 04 46.63 +12 38 48.4 w 160
2009-08-13 23:21:45 C 00 04 47.06 +12 38 53.3 w 160
2009-08-13 23:25:20 C 00 04 47.40 +12 38 57.6 w 160
2009-08-15 00:59:36 C 00 07 22.45 +13 09 43.7 r 118
2009-08-15 01:02:30 C 00 07 22.72 +13 09 47.0 r 118
2009-08-15 01:05:25 C 00 07 23.00 +13 09 50.5 r 118
2009-08-16 07:36:52 C 00 10 27.06 +13 46 07.3 o H55
2009-08-16 07:43:12 C 00 10 27.74 +13 46 14.7 o H55
2009-08-16 07:45:54 C 00 10 28.01 +13 46 17.7 o H55
2009-08-17 07:29:16 C 00 12 49.51 +14 14 00.6 r H45
2009-08-17 07:32:16 C 00 12 49.77 +14 14 03.7 r H45
2009-08-17 07:33:43 C 00 12 49.93 +14 14 05.8 r H45
2009-08-17 07:35:52 C 00 12 50.17 +14 14 08.1 r H45
2009-08-17 07:37:35 C 00 12 50.27 +14 14 09.8 r H45
2009-08-17 07:39:27 C 00 12 50.49 +14 14 12.6 r H45
2009-08-18 08:48:14 C 00 15 18.43 +14 43 06.5 r 703