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
2019-08-28 06:19:16 C 18 42 13.08 +35 51 35.0 U I41
2019-09-18 03:59:49 C 18 03 48.32 +44 48 15.7 V G96
2019-09-18 04:07:17 C 18 03 47.98 +44 48 21.4 V G96
2019-09-18 04:16:29 C 18 03 47.41 +44 48 29.1 V G96
2019-09-18 04:23:57 C 18 03 47.04 +44 48 34.9 V G96
2019-10-06 03:13:31 C 17 50 39.66 +50 18 41.5 V G96
2019-10-06 03:20:59 C 17 50 39.51 +50 18 47.1 V G96
2019-10-06 03:28:28 C 17 50 39.38 +50 18 51.8 V G96
2019-10-06 03:35:57 C 17 50 39.23 +50 18 57.6 V G96
2019-10-28 02:11:49 C 17 51 22.69 +57 26 15.9 V G96
2019-10-28 02:19:17 C 17 51 22.78 +57 26 21.9 V G96
2019-10-28 02:26:44 C 17 51 22.91 +57 26 28.8 V G96
2019-10-28 02:34:11 C 17 51 22.97 +57 26 35.0 V G96
2019-11-09 05:21:23 C 18 01 25.432 +62 28 15.22 U F51
2019-11-09 05:34:35 C 18 01 26.081 +62 28 29.74 U F51
2019-11-09 06:00:54 C 18 01 27.374 +62 28 59.11 U F51
2020-01-15 19:42:23 C 04 40 46.97 +34 21 39.7 q B67
2020-01-15 19:56:24 C 04 40 48.11 +34 21 02.0 q B67
2020-01-15 20:08:42 C 04 40 49.07 +34 20 29.0 q B67
2020-01-23 04:12:18 C 04 54 38.36 +27 23 15.5 V G96
2020-01-23 04:20:31 C 04 54 38.92 +27 22 58.6 V G96
2020-01-23 04:28:45 C 04 54 39.49 +27 22 41.7 V G96
2020-01-23 04:36:59 C 04 54 40.06 +27 22 24.6 V G96