265187 (2003 YS117)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3304020772 ± 3.38e-08
Semi-major axis (a)1.2492376673 AU ± 9.01e-10
Inclination (i)29.56573736° ± 5.17e-06
Long. of Asc. Node (Ω)300.38847260° ± 3.99e-06
Arg. of Perihelion (ω)322.07961210° ± 5.55e-06
Mean Anomaly (M)119.21203185° ± 7.91e-06
Mean Motion (n)0.7059024189°/day ± 7.64e-10
Perihelion dist (q)0.83648695 AU ± 4.22e-08
Aphelion dist (Q)1.66198839 AU ± 4.22e-08
Orbital Period1.39626421 yr ± 1.51e-09
Physical Parameters
H (abs. magnitude)18.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.268″
Uncertainty0
Orbit TypeApollo
MOID0.127847 AU
Observations Used458
Gaia Obs Used31
Oppositions3
Arc Total2003-2015
First Observation Used2003-12-27
Last Observation Used2025-03-23
Observations (480)
Date Type RA Dec Mag Band Observatory
2004-08-15 20:58:12 C 20 10 03.67 +87 18 29.1 c A48
2004-08-15 21:10:23 C 20 09 46.85 +87 18 02.2 c A48
2004-08-15 21:22:33 C 20 09 30.07 +87 17 35.6 c A48
2004-09-12 19:13:43 C 19 08 24.04 +71 53 51.3 o 240
2004-09-12 19:17:18 C 19 08 24.26 +71 53 48.1 o 240
2004-09-12 19:22:41 C 19 08 24.59 +71 53 42.6 o 240
2004-09-18 20:59:38 C 19 15 13.01 +69 39 52.3 o 240
2004-09-18 21:13:58 C 19 15 13.63 +69 39 39.5 o 240
2004-09-18 21:17:33 C 19 15 13.79 +69 39 36.4 o 240
2004-09-18 21:24:42 C 19 15 14.04 +69 39 29.4 o 240
2004-09-27 03:53:51 C 19 27 56.91 +66 48 42.0 19.1 c 704
2004-09-27 04:11:31 C 19 27 58.06 +66 48 27.8 19.6 c 704
2004-09-27 04:29:04 C 19 27 59.15 +66 48 12.0 19.4 c 704
2004-09-27 04:46:37 C 19 28 00.35 +66 47 55.7 19.5 c 704
2004-10-04 08:19:34 C 19 41 33.81 +64 26 42.2 c G90
2004-10-04 08:24:06 C 19 41 34.26 +64 26 38.2 c G90
2004-10-04 08:28:37 C 19 41 34.64 +64 26 34.5 c G90
2004-10-05 04:08:07 C 19 43 16.99 +64 10 51.4 c G90
2004-10-05 04:12:38 C 19 43 17.37 +64 10 45.6 c G90
2004-11-03 04:32:29 C 20 56 53.57 +55 07 22.7 o 448
2004-11-03 04:48:55 C 20 56 55.49 +55 07 09.5 o 448
2004-11-03 05:05:56 C 20 56 57.47 +55 06 55.7 o 448
2007-10-18 10:27:17 C 07 34 38.30 +61 12 34.7 o 696
2007-10-18 10:35:49 C 07 34 38.62 +61 12 38.9 o 696
2007-11-01 08:41:39 C 07 45 03.12 +63 15 06.7 o H55
2007-11-01 08:54:09 C 07 45 03.10 +63 15 11.0 o H55
2007-11-01 09:14:19 C 07 45 03.07 +63 15 21.1 o H55
2007-11-08 10:49:02 C 07 42 49.68 +64 25 07.5 c 711
2007-11-08 11:04:10 C 07 42 49.20 +64 25 11.6 c 711
2007-11-08 11:19:17 C 07 42 48.64 +64 25 20.1 c 711
2007-12-25 05:56:24 C 04 48 53.12 +61 10 02.6 o H55
2007-12-25 06:05:35 C 04 48 51.57 +61 09 52.6 o H55
2007-12-25 06:14:46 C 04 48 50.15 +61 09 38.6 o H55
2008-01-13 21:48:48 C 04 07 46.23 +49 43 09.9 r B15
2008-01-13 21:51:44 C 04 07 46.14 +49 43 05.3 r B15
2008-01-13 21:55:17 C 04 07 46.01 +49 42 59.9 r B15
2008-01-13 21:58:52 C 04 07 45.88 +49 42 54.4 r B15
2010-12-08 10:07:13 C 10 00 23.90 +24 24 05.9 r 703
2010-12-08 10:15:43 C 10 00 23.97 +24 23 59.2 r 703
2010-12-08 10:24:16 C 10 00 23.86 +24 23 55.7 r 703
2010-12-08 10:32:45 C 10 00 24.04 +24 23 49.3 r 703
2011-01-05 09:42:41 C 09 42 11.69 +15 56 05.1 19.5 c 704
2011-01-05 10:01:45 C 09 42 10.32 +15 55 48.2 19.6 c 704
2011-01-05 10:40:16 C 09 42 07.25 +15 55 08.8 19.0 c 704
2011-01-05 10:59:41 C 09 42 05.71 +15 54 48.9 19.2 c 704
2011-01-10 08:50:05 C 09 31 56.69 +13 49 08.9 o 691
2011-01-10 09:15:36 C 09 31 54.13 +13 48 39.8 o 691
2011-01-10 09:41:09 C 09 31 51.54 +13 48 11.0 o 691
2011-01-11 12:01:18 C 09 29 13.84 +13 17 54.3 r 703
2011-01-11 12:21:48 C 09 29 11.79 +13 17 30.2 r 703