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
2004-09-07 04:22:26 C 21 30 07.79 -19 48 33.0 18.6 c 704
2004-09-07 04:54:15 C 21 30 06.63 -19 48 24.0 19.0 c 704
2004-09-07 05:10:07 C 21 30 05.98 -19 48 20.4 19.1 c 704
2004-09-07 05:26:00 C 21 30 05.37 -19 48 14.9 19.2 c 704
2004-09-09 03:01:48 C 21 28 36.65 -19 35 54.2 19.0 c 704
2004-09-09 03:19:19 C 21 28 36.03 -19 35 49.6 19.6 c 704
2004-09-09 03:36:17 C 21 28 35.52 -19 35 45.0 19.2 c 704
2004-09-09 03:54:01 C 21 28 34.92 -19 35 40.6 19.0 c 704
2004-09-09 04:10:56 C 21 28 34.34 -19 35 35.4 19.3 c 704
2004-09-12 02:55:26 C 21 26 40.06 -19 16 24.1 18.7 c 704
2004-09-12 03:11:35 C 21 26 39.66 -19 16 19.5 19.3 c 704
2004-09-12 03:22:42 C 21 26 39.39 -19 16 16.1 c 691
2004-09-12 03:27:44 C 21 26 39.20 -19 16 15.5 19.2 c 704
2004-09-12 03:43:57 C 21 26 38.77 -19 16 11.3 19.2 c 704
2004-09-12 04:00:08 C 21 26 38.34 -19 16 06.9 18.9 c 704
2004-09-12 04:01:49 C 21 26 38.37 -19 16 05.3 c 691
2004-09-12 04:53:18 C 21 26 37.03 -19 15 51.8 c 691
2004-09-16 12:43:04 C 21 24 38.21 -18 47 29.2 r E12
2004-09-16 12:55:18 C 21 24 37.97 -18 47 24.4 r E12
2004-09-16 13:07:39 C 21 24 37.78 -18 47 22.1 r E12
2004-09-16 13:19:55 C 21 24 37.55 -18 47 18.4 r E12
2004-09-17 02:51:41 C 21 24 26.49 -18 43 47.3 19.3 c 704
2004-09-17 03:09:01 C 21 24 26.26 -18 43 43.2 19.8 c 704
2004-09-17 03:43:32 C 21 24 25.75 -18 43 32.4 19.8 c 704
2004-09-17 04:01:09 C 21 24 25.41 -18 43 28.6 20.0 c 704
2004-09-21 04:12:33 C 21 23 29.23 -18 17 18.4 19.9 c 704
2004-09-21 04:29:32 C 21 23 29.13 -18 17 13.5 20.0 c 704
2004-09-21 04:46:31 C 21 23 29.01 -18 17 08.2 20.1 c 704
2004-10-13 06:04:33 C 21 28 32.12 -15 52 35.3 c 568
2004-10-13 07:33:05 C 21 28 33.95 -15 52 10.6 c 568
2005-10-22 04:49:11 C 01 55 16.25 +20 02 58.4 d 291
2005-10-22 04:55:06 C 01 55 16.02 +20 02 57.8 d 291
2005-10-22 05:00:53 C 01 55 15.65 +20 02 56.3 d 291
2006-11-27 09:37:30 C 04 25 51.03 +33 30 33.3 d 291
2006-11-27 09:44:05 C 04 25 50.61 +33 30 32.5 d 291
2006-11-27 09:50:43 C 04 25 50.23 +33 30 32.5 d 291
2008-09-23 06:46:56 C 01 07 39.01 +12 40 57.2 o 291
2008-09-23 06:52:48 C 01 07 38.66 +12 40 55.6 o 291
2008-09-23 06:59:24 C 01 07 38.36 +12 40 54.4 o 291
2010-09-17 11:29:14 C 07 36 32.44 +28 51 26.7 o 291
2010-09-17 11:37:58 C 07 36 33.11 +28 51 26.8 o 291
2010-09-17 11:44:11 C 07 36 33.45 +28 51 26.6 o 291
2010-10-27 12:27:49 C 08 47 58.03 +26 40 24.7 o 291
2010-10-27 12:33:51 C 08 47 58.46 +26 40 23.3 o 291
2010-10-27 12:40:04 C 08 47 58.94 +26 40 22.9 o 291
2010-12-08 10:07:13 C 10 03 57.31 +23 24 35.2 r 703
2010-12-08 10:15:43 C 10 03 58.03 +23 24 31.8 r 703
2010-12-08 10:24:16 C 10 03 58.75 +23 24 29.8 r 703
2010-12-08 10:32:45 C 10 03 59.29 +23 24 28.5 r 703
2011-01-09 02:26:23 C 11 11 47.18 +19 38 47.0 u 157