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
2011-01-09 02:31:05 C 11 11 47.69 +19 38 45.0 u 157
2011-01-09 02:35:49 C 11 11 48.17 +19 38 43.1 u 157
2011-01-10 10:25:15 C 11 15 20.34 +19 24 10.0 r 703
2011-01-10 10:34:19 C 11 15 21.31 +19 24 05.5 r 703
2011-01-10 10:43:22 C 11 15 22.32 +19 24 00.5 r 703
2011-01-10 10:52:32 C 11 15 23.29 +19 23 56.9 r 703
2011-01-16 02:52:02 C 11 31 50.40 +18 10 29.3 w B19
2011-01-16 02:57:20 C 11 31 50.93 +18 10 27.4 w B19
2011-01-16 03:02:38 C 11 31 51.71 +18 10 23.5 w B19
2011-01-22 03:18:24 C 11 52 34.28 +16 24 44.3 w B19
2011-01-22 03:22:27 C 11 52 34.99 +16 24 41.1 w B19
2011-01-22 03:26:30 C 11 52 35.64 +16 24 37.6 w B19
2011-01-28 09:47:07 C 12 19 43.68 +13 44 25.3 o 695
2011-01-28 09:50:07 C 12 19 44.28 +13 44 21.3 o 695
2011-01-28 09:51:10 C 12 19 44.49 +13 44 20.0 o 695
2011-01-30 09:36:52 C 12 30 02.08 +12 37 28.4 r 703
2011-01-30 09:44:23 C 12 30 03.70 +12 37 17.6 r 703
2011-01-30 09:51:54 C 12 30 05.36 +12 37 06.4 r 703
2011-01-30 09:59:28 C 12 30 06.98 +12 36 55.5 r 703
2011-02-01 18:49:37 C 12 43 44.11 +11 03 43.3 o 300
2011-02-01 18:52:34 C 12 43 44.83 +11 03 38.1 o 300
2011-02-01 18:55:32 C 12 43 45.56 +11 03 33.0 o 300
2011-02-01 18:57:01 C 12 43 45.87 +11 03 30.5 o 300
2011-02-01 19:01:29 C 12 43 47.02 +11 03 22.7 o 300
2011-02-02 16:25:16 C 12 49 22.40 +10 23 50.0 o 300
2011-02-02 16:26:45 C 12 49 22.81 +10 23 46.7 o 300
2011-02-02 16:28:14 C 12 49 23.21 +10 23 44.4 o 300
2011-02-02 16:29:43 C 12 49 23.62 +10 23 41.0 o 300
2011-02-02 16:32:43 C 12 49 24.34 +10 23 35.3 o 300
2011-02-02 16:34:13 C 12 49 24.71 +10 23 32.8 o 300
2011-02-04 23:40:32 C 13 05 02.73 +08 28 43.0 w J52
2011-02-04 23:42:31 C 13 05 03.24 +08 28 38.1 w J52
2011-02-04 23:45:22 C 13 05 04.11 +08 28 32.1 w J52
2011-02-09 11:03:25 C 13 41 46.21 +03 40 56.6 r 703
2011-02-09 11:10:57 C 13 41 49.05 +03 40 33.1 r 703
2011-02-09 11:18:24 C 13 41 51.90 +03 40 09.7 r 703
2011-02-09 11:25:59 C 13 41 54.74 +03 39 46.3 r 703
2011-02-12 10:28:24 C 14 11 46.41 -00 25 13.1 15.9 c 704
2011-02-12 10:49:47 C 14 11 55.92 -00 26 34.0 16.0 c 704
2011-02-12 11:13:16 C 14 12 06.34 -00 28 02.5 16.2 c 704
2011-02-12 11:36:01 C 14 12 16.46 -00 29 28.1 16.2 c 704
2011-02-12 11:58:18 C 14 12 26.37 -00 30 52.2 15.9 c 704
2011-02-20 18:26:24 C 16 00 54.14 -14 41 33.5 o 300
2011-02-20 18:28:28 C 16 00 55.38 -14 41 42.0 o 300
2011-02-20 18:29:20 C 16 00 55.91 -14 41 45.8 o 300
2011-02-20 18:30:12 C 16 00 56.42 -14 41 49.9 o 300
2011-02-20 18:31:05 C 16 00 56.99 -14 41 53.6 o 300
2011-02-20 18:31:58 C 16 00 57.50 -14 41 57.1 o 300
2011-02-20 18:32:50 C 16 00 58.07 -14 42 01.8 o 300
2011-02-20 18:33:43 C 16 00 58.58 -14 42 05.1 o 300