253841 (2003 YG118)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6461785492 ± 1.27e-08
Semi-major axis (a)2.2796529361 AU ± 2.96e-09
Inclination (i)8.02696432° ± 3.76e-06
Long. of Asc. Node (Ω)347.42234977° ± 1.93e-05
Arg. of Perihelion (ω)233.53336537° ± 1.93e-05
Mean Anomaly (M)84.94742118° ± 3.62e-06
Mean Motion (n)0.2863579049°/day ± 5.59e-10
Perihelion dist (q)0.80659011 AU ± 2.89e-08
Aphelion dist (Q)3.75271576 AU ± 2.93e-08
Orbital Period3.44193845 yr ± 6.71e-09
Physical Parameters
H (abs. magnitude)17.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.333″
Uncertainty0
Orbit TypeApollo
MOID0.010984 AU
Observations Used561
Oppositions16
Arc Total2003-2025
First Observation Used2003-12-17
Last Observation Used2025-11-26
Observations (584)
Date Type RA Dec Mag Band Observatory
2011-02-20 18:34:37 C 16 00 59.11 -14 42 09.4 o 300
2011-02-20 18:35:30 C 16 00 59.64 -14 42 12.8 o 300
2011-08-22 23:02:58 C 23 31 46.81 -05 40 39.0 u C27
2011-08-22 23:41:43 C 23 31 43.91 -05 40 48.6 u C27
2011-08-26 22:56:11 C 23 24 38.85 -06 04 34.1 u C27
2011-08-27 00:04:39 C 23 24 33.54 -06 04 51.2 u C27
2011-08-28 11:39:52 C 23 21 54.378 -06 13 40.92 L F51
2011-08-28 11:54:10 C 23 21 53.276 -06 13 44.46 L F51
2011-08-28 12:11:54 C 23 21 51.927 -06 13 48.68 L F51
2011-08-28 12:45:44 C 23 21 49.319 -06 13 57.15 L F51
2011-09-21 05:25:40 C 22 45 01.18 -08 08 13.5 r G96
2011-09-21 05:33:12 C 22 45 00.79 -08 08 14.4 r G96
2011-09-21 05:40:39 C 22 45 00.39 -08 08 15.5 r G96
2011-09-21 05:48:14 C 22 45 00.03 -08 08 16.6 r G96
2011-09-30 04:57:11 C 22 35 51.14 -08 29 57.1 r G96
2011-09-30 05:06:05 C 22 35 50.78 -08 29 58.0 r G96
2011-09-30 05:15:01 C 22 35 50.49 -08 29 58.5 r G96
2011-09-30 05:23:55 C 22 35 50.17 -08 29 59.1 r G96
2014-03-20 05:42:06 C 04 19 49.110 +28 52 12.38 L F51
2014-03-20 05:48:46 C 04 19 49.461 +28 52 12.21 L F51
2014-03-20 05:50:40 C 04 19 49.554 +28 52 12.49 L F51
2014-03-20 05:55:26 C 04 19 49.779 +28 52 12.28 L F51
2014-03-20 05:57:21 C 04 19 49.879 +28 52 12.12 L F51
2014-03-20 06:04:00 C 04 19 50.228 +28 52 12.15 L F51
2015-10-13 06:48:10 C 01 04 17.72 +13 23 16.8 q G96
2015-10-13 06:58:58 C 01 04 17.22 +13 23 14.5 q G96
2015-10-13 07:20:32 C 01 04 16.25 +13 23 09.6 q G96
2016-11-05 06:12:47 C 03 28 29.56 +29 14 36.1 u H21
2016-11-05 06:33:15 C 03 28 28.57 +29 14 34.7 u H21
2016-11-05 07:02:29 C 03 28 27.21 +29 14 31.8 u H21
2017-11-15 11:41:47 C 10 32 51.94 +16 43 26.3 U G96
2017-11-15 11:48:36 C 10 32 52.71 +16 43 22.0 U G96
2017-11-15 11:55:21 C 10 32 53.47 +16 43 17.5 U G96
2017-11-15 12:02:08 C 10 32 54.29 +16 43 12.6 U G96
2017-11-26 11:45:53 C 11 04 53.22 +13 27 18.1 U G96
2017-11-26 11:53:19 C 11 04 54.17 +13 27 11.8 U G96
2017-11-26 12:02:40 C 11 04 55.33 +13 27 04.1 U G96
2017-11-26 12:10:08 C 11 04 56.28 +13 26 58.2 U G96
2017-12-16 11:52:50 C 12 13 46.60 +05 18 25.0 U G96
2017-12-16 12:00:13 C 12 13 47.78 +05 18 15.7 U G96
2017-12-16 12:07:37 C 12 13 48.96 +05 18 06.7 U G96
2017-12-16 12:15:02 C 12 13 50.15 +05 17 57.6 U G96
2017-12-20 12:16:37 C 12 29 55.76 +03 14 00.2 U G96
2017-12-20 12:31:23 C 12 29 58.30 +03 13 40.4 U G96
2017-12-20 12:38:48 C 12 29 59.55 +03 13 30.4 U G96
2017-12-23 11:51:35 C 12 42 33.67 +01 35 12.4 U 703
2017-12-23 11:59:29 C 12 42 35.05 +01 35 02.3 U 703
2017-12-23 12:07:23 C 12 42 36.48 +01 34 51.0 U 703
2017-12-23 12:15:16 C 12 42 37.81 +01 34 40.9 U 703
2017-12-26 11:00:17 C 12 55 41.69 -00 08 21.2 U 703