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
2011-01-11 12:32:03 C 09 29 10.64 +13 17 18.5 r 703
2011-01-12 01:08:25 C 09 27 53.42 +13 02 28.0 v 204
2011-01-12 01:17:34 C 09 27 52.43 +13 02 17.2 v 204
2011-01-12 01:26:45 C 09 27 51.45 +13 02 06.5 v 204
2011-01-24 10:37:54 C 08 49 08.97 +06 19 17.4 r 703
2011-01-24 10:48:05 C 08 49 07.39 +06 19 02.6 r 703
2011-01-24 10:58:12 C 08 49 05.77 +06 18 47.0 r 703
2011-01-24 18:21:48 C 08 47 57.69 +06 07 35.8 o 300
2011-01-24 18:25:46 C 08 47 57.05 +06 07 29.6 o 300
2011-01-24 18:29:45 C 08 47 56.39 +06 07 23.8 o 300
2011-01-24 18:33:46 C 08 47 55.78 +06 07 17.9 o 300
2011-01-27 06:30:10 C 08 38 28.60 +04 35 08.7 r 703
2011-01-27 06:40:09 C 08 38 26.91 +04 34 53.5 r 703
2011-01-27 06:50:12 C 08 38 25.26 +04 34 37.4 r 703
2011-01-27 07:00:15 C 08 38 23.64 +04 34 23.0 r 703
2011-01-29 07:01:59 C 08 30 32.40 +03 19 06.7 u H45
2011-01-29 07:03:44 C 08 30 32.16 +03 19 04.4 u H45
2011-01-29 07:06:35 C 08 30 31.69 +03 18 59.5 u H45
2011-01-29 07:08:10 C 08 30 31.41 +03 18 57.3 u H45
2011-01-29 07:10:14 C 08 30 31.02 +03 18 54.3 u H45
2011-01-29 07:11:29 C 08 30 30.86 +03 18 52.1 u H45
2011-01-31 04:16:32 C 08 23 00.46 +02 07 39.2 u H20
2011-01-31 04:19:33 C 08 22 59.94 +02 07 34.6 u H20
2011-01-31 04:22:27 C 08 22 59.43 +02 07 30.1 u H20
2011-01-31 04:25:05 C 08 22 59.00 +02 07 25.7 u H20
2011-02-05 18:49:01 C 08 00 15.90 -01 23 08.3 o 151
2011-02-05 18:50:27 C 08 00 15.65 -01 23 10.1 o 151
2011-02-05 18:51:52 C 08 00 15.41 -01 23 12.1 o 151
2011-02-07 05:18:16 C 07 54 28.62 -02 15 33.8 r 703
2011-02-07 05:27:10 C 07 54 27.10 -02 15 47.6 r 703
2011-02-07 05:36:13 C 07 54 25.56 -02 16 00.8 r 703
2011-02-07 05:45:16 C 07 54 23.97 -02 16 14.6 r 703
2011-02-07 05:54:17 C 07 54 22.42 -02 16 28.3 r 703
2011-02-09 18:48:21 C 07 44 21.71 -03 46 32.6 u 151
2011-02-09 18:51:42 C 07 44 21.20 -03 46 38.3 u 151
2011-02-09 18:55:04 C 07 44 20.67 -03 46 43.7 u 151
2014-02-06 08:53:23 C 16 47 24.85 -53 15 52.0 u 807
2014-02-06 09:02:30 C 16 47 27.99 -53 15 56.8 u 807
2014-02-06 09:11:33 C 16 47 31.15 -53 16 02.5 u 807
2014-11-26 09:25:09 C 07 31 56.44 +63 37 54.9 u H21
2014-11-26 09:31:46 C 07 31 55.63 +63 37 57.0 u H21
2014-11-26 09:36:20 C 07 31 55.14 +63 37 58.4 u H21
2014-12-15 05:14:12 C 06 13 53.09 +63 10 36.5 q 703
2014-12-15 05:20:02 C 06 13 51.75 +63 10 34.8 q 703
2014-12-15 05:25:52 C 06 13 50.62 +63 10 31.3 q 703
2014-12-15 05:31:42 C 06 13 49.23 +63 10 29.1 q 703
2014-12-22 09:14:07 C 05 39 47.996 +61 07 05.66 L F51
2014-12-22 09:35:27 C 05 39 43.858 +61 06 46.05 L F51
2014-12-22 09:57:28 C 05 39 39.595 +61 06 25.79 L F51
2014-12-22 10:19:01 C 05 39 35.436 +61 06 05.96 L F51