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
2025-01-10 19:49:13 C 10 16 13.330 +01 01 30.09 O18
2025-01-10 19:50:15 C 10 16 13.271 +01 01 28.38 O18
2025-01-10 21:15:30 C 10 16 08.193 +00 59 06.62 O18
2025-01-10 21:16:31 C 10 16 08.134 +00 59 05.02 O18
2025-01-10 21:17:33 C 10 16 08.071 +00 59 03.31 O18
2025-01-12 07:39:46 C 10 14 06.896 +00 00 57.85 V 703
2025-01-12 07:46:16 C 10 14 06.443 +00 00 48.38 V 703
2025-01-12 07:49:30 C 10 14 06.241 +00 00 43.34 V 703
2025-01-12 17:39:11 C 10 13 29.134 -00 16 16.32 O18
2025-01-12 17:41:43 C 10 13 28.972 -00 16 20.72 O18
2025-01-19 12:52:56 C 10 00 35.131 -05 20 30.77 V T08
2025-01-19 12:57:35 C 10 00 34.656 -05 20 40.09 V T08
2025-01-19 13:08:14 C 10 00 33.624 -05 21 01.40 V T08
2025-01-19 13:25:35 C 10 00 31.836 -05 21 36.47 V T08
2025-01-20 06:47:22 C 09 58 51.089 -05 56 12.34 V W68
2025-01-20 06:51:56 C 09 58 50.681 -05 56 21.41 V W68
2025-01-20 06:53:54 C 09 58 50.482 -05 56 25.44 V W68
2025-01-20 08:00:37 C 09 58 43.591 -05 58 40.76 V W68
2025-01-21 10:14:44 C 09 56 03.451 -06 52 32.20 V 703
2025-01-21 10:21:22 C 09 56 02.746 -06 52 46.67 V 703
2025-01-21 10:24:41 C 09 56 02.382 -06 52 53.08 V 703
2025-01-23 08:28:49 C 09 50 59.960 -08 29 16.26 V 703
2025-01-23 08:32:08 C 09 50 59.611 -08 29 22.99 V 703
2025-01-23 08:35:27 C 09 50 59.150 -08 29 31.09 V 703
2025-01-23 08:38:47 C 09 50 58.801 -08 29 36.13 V 703
2025-01-23 12:04:06 C 09 50 35.030 -08 36 50.98 V T08
2025-01-23 12:09:23 C 09 50 34.399 -08 37 01.60 V T08
2025-01-23 12:17:28 C 09 50 33.430 -08 37 19.34 V T08
2025-01-23 13:08:21 C 09 50 27.298 -08 39 07.38 V T08
2025-01-24 04:55:30 C 09 48 36.890 -09 12 35.86 V W68
2025-01-24 05:00:49 C 09 48 36.202 -09 12 48.82 V W68
2025-01-24 05:14:01 C 09 48 34.613 -09 13 15.92 V W68
2025-01-24 05:17:33 C 09 48 34.092 -09 13 24.67 V W68
2025-01-24 10:38:51 C 09 47 55.761 -09 25 11.55 X F52
2025-01-24 10:56:15 C 09 47 53.582 -09 25 49.05 X F52
2025-01-24 11:31:06 C 09 47 49.206 -09 27 04.25 X F52
2025-01-25 07:49:11 C 09 45 19.750 -10 11 07.26 V 703
2025-01-25 07:52:32 C 09 45 19.300 -10 11 14.60 V 703
2025-01-25 07:55:52 C 09 45 18.904 -10 11 21.59 V 703
2025-01-25 07:59:13 C 09 45 18.446 -10 11 28.57 V 703
2025-01-25 22:32:20 C 09 43 27.950 -10 42 57.06 V M22
2025-01-25 22:35:04 C 09 43 27.602 -10 43 03.32 V M22
2025-01-25 22:49:27 C 09 43 25.687 -10 43 34.68 V M22
2025-01-25 23:30:22 C 09 43 20.220 -10 45 04.79 V M22
2025-01-26 07:40:07 C 09 42 16.960 -11 03 20.74 V 703
2025-01-26 07:43:22 C 09 42 16.510 -11 03 27.90 V 703
2025-01-26 07:46:37 C 09 42 16.074 -11 03 35.24 V 703
2025-01-26 07:49:53 C 09 42 15.667 -11 03 42.70 V 703
2025-01-30 05:01:31 C 09 29 08.026 -14 31 45.73 V W68
2025-01-30 05:06:06 C 09 29 07.310 -14 31 55.99 V W68