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
2011-01-04 08:51:33 C 06 56 05.35 +37 25 51.1 o H01
2011-01-04 09:08:51 C 06 56 02.86 +37 24 58.5 o H01
2011-01-04 09:16:24 C 06 56 01.77 +37 24 35.5 o H01
2011-01-12 00:26:13 C 06 35 53.79 +28 49 18.8 v 204
2011-01-12 00:37:30 C 06 35 52.77 +28 48 49.7 v 204
2011-01-12 00:48:38 C 06 35 51.77 +28 48 20.9 v 204
2011-01-15 04:48:46 C 06 30 04.06 +25 42 50.5 r G96
2011-01-15 04:59:40 C 06 30 03.20 +25 42 26.3 r G96
2011-01-15 05:10:39 C 06 30 02.37 +25 42 00.9 r G96
2011-01-15 05:21:35 C 06 30 01.54 +25 41 35.6 r G96
2019-06-28 08:29:16 C 21 10 24.68 -16 43 35.7 o 691
2019-06-28 08:40:42 C 21 10 24.34 -16 43 20.4 o 691
2019-06-28 08:45:16 C 21 10 24.20 -16 43 13.9 o 691
2019-07-03 08:12:45 C 21 06 29.13 -13 46 29.4 o 691
2019-07-03 08:22:22 C 21 06 28.71 -13 46 13.4 o 691
2019-07-03 08:31:57 C 21 06 28.28 -13 45 58.3 o 691
2019-07-04 08:16:00 C 21 05 28.86 -13 07 39.5 o 691
2019-07-04 08:27:09 C 21 05 28.27 -13 07 24.6 o 691
2019-07-04 08:38:12 C 21 05 27.69 -13 07 04.4 o 691
2019-07-07 12:16:08 C 21 01 47.854 -10 57 19.32 U F51
2019-07-07 12:32:02 C 21 01 46.927 -10 56 50.95 U F51
2019-07-07 12:47:57 C 21 01 45.997 -10 56 22.34 U F51
2019-07-21 04:42:53 C 20 36 43.71 +00 48 34.6 u H21
2019-07-21 04:51:03 C 20 36 42.88 +00 48 55.0 u H21
2019-07-21 05:03:11 C 20 36 41.61 +00 49 24.6 u H21
2019-07-24 21:20:14 C 20 27 23.62 +04 35 18.3 V A17
2019-07-24 21:42:56 C 20 27 21.10 +04 36 17.5 V A17
2019-07-24 22:05:31 C 20 27 18.41 +04 37 16.0 V A17
2019-07-26 10:49:15 C 20 23 07.926 +06 14 32.19 U F52
2019-07-26 11:04:14 C 20 23 06.104 +06 15 11.97 U F52
2019-07-30 01:33:59 C 20 12 40.34 +10 07 59.5 V 204
2019-07-30 01:45:33 C 20 12 38.85 +10 08 30.6 V 204
2019-07-30 01:56:54 C 20 12 37.39 +10 09 01.6 V 204
2019-08-04 07:04:16 C 19 56 21.40 +15 46 52.0 U I41
2019-08-04 08:02:55 C 19 56 13.18 +15 49 28.1 U I41
2019-08-04 08:28:24 C 19 56 09.59 +15 50 35.7 U I41
2019-08-04 08:40:12 C 19 56 07.96 +15 51 07.1 U I41
2019-08-19 06:04:32 C 19 07 49.13 +29 48 52.7 U I41
2019-08-19 06:24:46 C 19 07 46.39 +29 49 31.7 U I41
2019-08-19 06:38:04 C 19 07 44.61 +29 49 57.3 U I41
2019-08-19 06:47:57 C 19 07 43.26 +29 50 16.3 U I41
2019-08-19 06:50:15 C 19 07 42.95 +29 50 20.7 U I41
2019-08-19 07:52:15 C 19 07 34.66 +29 52 19.3 U I41
2019-08-19 07:52:54 C 19 07 34.59 +29 52 20.5 U I41
2019-08-24 09:11:49 C 18 52 39.290 +33 28 46.41 U F52
2019-08-24 09:28:25 C 18 52 37.252 +33 29 12.98 U F52
2019-08-24 09:45:05 C 18 52 35.191 +33 29 39.83 U F52
2019-08-28 03:51:07 C 18 42 29.88 +35 48 03.5 U I41
2019-08-28 04:07:11 C 18 42 28.04 +35 48 26.9 U I41
2019-08-28 06:17:57 C 18 42 13.24 +35 51 32.9 U I41