2001 YM4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3890717386 ± 4.20e-08
Semi-major axis (a)1.7210425427 AU ± 4.66e-09
Inclination (i)26.21882578° ± 1.48e-05
Long. of Asc. Node (Ω)290.64219595° ± 8.30e-06
Arg. of Perihelion (ω)96.35357324° ± 2.84e-05
Mean Anomaly (M)248.47273284° ± 1.20e-05
Mean Motion (n)0.4365408275°/day ± 1.77e-09
Perihelion dist (q)1.05143353 AU ± 7.24e-08
Aphelion dist (Q)2.39065156 AU ± 7.26e-08
Orbital Period2.25781009 yr ± 9.18e-09
Physical Parameters
H (abs. magnitude)19.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.367″
Uncertainty0
Orbit TypeAmor
MOID0.308019 AU
Observations Used118
Oppositions11
Arc Total2001-2020
First Observation Used2001-12-22
Last Observation Used2020-01-23
Observations (123)
Date Type RA Dec Mag Band Observatory
2001-12-22 09:08:26 C 09 12 42.18 +30 24 27.7 19.6 c 704
2001-12-22 09:30:04 C 09 12 38.81 +30 23 51.3 20.1 c 704
2001-12-22 09:51:50 C 09 12 35.57 +30 23 14.3 19.6 c 704
2001-12-22 10:13:27 C 09 12 32.30 +30 22 37.3 20.1 c 704
2001-12-23 08:50:30 C 09 09 11.17 +29 43 35.0 19.9 c 704
2001-12-23 09:12:29 C 09 09 07.81 +29 42 57.1 20.1 c 704
2001-12-23 09:34:28 C 09 09 04.38 +29 42 19.6 20.1 c 704
2001-12-23 09:56:26 C 09 09 01.02 +29 41 41.3 20.1 c 704
2001-12-23 10:18:24 C 09 08 57.59 +29 41 03.3 19.7 c 704
2001-12-24 01:54:23 C 09 06 37.45 +29 13 48.7 o 461
2001-12-24 01:58:35 C 09 06 36.71 +29 13 41.7 o 461
2001-12-25 06:33:33 C 09 02 19.25 +28 23 31.2 c 651
2001-12-25 06:37:36 C 09 02 18.43 +28 23 22.7 c 651
2001-12-25 06:41:43 C 09 02 17.81 +28 23 16.7 c 651
2002-01-08 06:50:18 C 08 11 39.52 +18 20 27.9 c 696
2002-01-08 06:57:55 C 08 11 38.35 +18 20 14.5 c 696
2002-01-08 07:08:19 C 08 11 36.88 +18 19 58.0 d 291
2002-01-08 07:15:18 C 08 11 35.87 +18 19 45.2 d 291
2002-01-08 07:21:23 C 08 11 34.93 +18 19 35.7 d 291
2002-01-09 08:19:58 C 08 08 04.79 +17 36 54.0 19.8 c 704
2002-01-09 08:41:48 C 08 08 01.65 +17 36 17.6 19.7 c 704
2002-01-09 09:03:41 C 08 07 58.55 +17 35 39.5 20.2 c 704
2002-01-09 09:25:41 C 08 07 55.41 +17 35 02.2 20.0 c 704
2002-02-13 06:04:27 C 07 02 29.99 +03 11 12.8 c 696
2002-02-13 06:15:48 C 07 02 29.73 +03 11 08.0 c 696
2010-06-21 09:51:16 C 21 54 44.42 -10 47 00.7 r G96
2010-06-21 09:58:58 C 21 54 44.60 -10 46 48.9 r G96
2010-06-21 10:06:48 C 21 54 44.78 -10 46 37.1 r G96
2010-06-21 10:14:36 C 21 54 44.96 -10 46 24.6 r G96
2011-01-03 06:24:45 C 06 59 51.07 +38 46 17.5 19.0 c 704
2011-01-03 06:43:43 C 06 59 48.22 +38 45 20.1 18.8 c 704
2011-01-03 07:02:42 C 06 59 45.32 +38 44 20.6 19.0 c 704
2011-01-03 07:21:50 C 06 59 42.41 +38 43 22.6 19.0 c 704
2011-01-03 07:41:01 C 06 59 39.40 +38 42 24.5 19.2 c 704
2011-01-04 05:45:19 C 06 56 31.76 +37 35 12.7 o H21
2011-01-04 05:56:09 C 06 56 30.19 +37 34 40.5 o H21
2011-01-04 06:06:40 C 06 56 28.70 +37 34 08.2 o H21
2011-01-04 06:45:55 C 06 56 23.55 +37 32 12.3 19.0 c 704
2011-01-04 06:58:29 C 06 56 21.38 +37 31 31.4 u H36
2011-01-04 07:00:47 C 06 56 21.04 +37 31 24.3 u H36
2011-01-04 07:05:06 C 06 56 20.75 +37 31 15.0 19.0 c 704
2011-01-04 07:05:34 C 06 56 20.37 +37 31 10.2 u H36
2011-01-04 07:12:55 C 06 56 19.33 +37 30 47.9 u H36
2011-01-04 07:15:12 C 06 56 18.98 +37 30 40.5 u H36
2011-01-04 07:24:26 C 06 56 17.91 +37 30 15.2 18.9 c 704
2011-01-04 07:43:35 C 06 56 15.19 +37 29 18.0 19.0 c 704
2011-01-04 07:57:37 C 06 56 13.29 +37 28 35.6 c 854
2011-01-04 08:00:24 C 06 56 12.85 +37 28 27.0 c 854
2011-01-04 08:03:10 C 06 56 12.45 +37 28 19.0 c 854
2011-01-04 08:40:02 C 06 56 07.01 +37 26 26.2 o H01