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
2021-12-06 05:27:10 C 07 27 54.82 +60 45 08.8 – V 703
2021-12-06 05:34:56 C 07 27 53.67 +60 45 09.8 – V 703
2021-12-17 20:10:26 C 06 39 25.40 +59 59 10.5 – X C95
2021-12-17 20:53:00 C 06 39 17.14 +59 58 52.5 – X C95
2022-02-26 02:08:54 C 04 55 16.23 +27 13 23.9 – V G96
2022-02-26 02:17:05 C 04 55 16.60 +27 13 17.2 – V G96
2022-02-26 02:25:17 C 04 55 16.92 +27 13 10.5 – V G96
2022-02-26 02:33:29 C 04 55 17.20 +27 13 03.4 – V G96
2024-11-10 20:39:08 C 09 52 23.245 +25 00 31.79 – – O18
2024-11-10 20:40:25 C 09 52 23.319 +25 00 31.00 – – O18
2024-11-10 22:59:16 C 09 52 31.227 +24 59 03.15 – – O18
2024-11-10 23:00:33 C 09 52 31.291 +24 59 02.37 – – O18
2024-11-13 12:24:09 C 09 56 01.489 +24 19 25.93 – V G96
2024-11-13 12:27:35 C 09 56 01.716 +24 19 24.06 – V G96
2024-11-13 12:31:03 C 09 56 01.878 +24 19 21.40 – V G96
2024-11-13 12:34:29 C 09 56 02.062 +24 19 19.09 – V G96
2024-11-13 21:20:29 C 09 56 31.539 +24 13 34.41 – – O18
2024-11-13 21:23:06 C 09 56 31.675 +24 13 32.73 – – O18
2024-11-13 21:24:24 C 09 56 31.755 +24 13 31.85 – – O18
2024-12-04 11:39:08 C 10 18 56.848 +18 13 55.85 – V G96
2024-12-04 11:46:34 C 10 18 57.092 +18 13 49.69 – V G96
2024-12-04 11:54:00 C 10 18 57.316 +18 13 43.79 – V G96
2024-12-04 12:01:28 C 10 18 57.571 +18 13 37.34 – V G96
2024-12-24 11:57:14 C 10 27 18.119 +10 34 01.74 – V G96
2024-12-24 12:04:41 C 10 27 18.068 +10 33 54.22 – V G96
2024-12-24 12:12:07 C 10 27 18.054 +10 33 45.94 – V G96
2024-12-24 12:19:33 C 10 27 18.025 +10 33 36.90 – V G96
2024-12-29 01:01:14 B 10 26 28.72 +08 24 03.6 – X K19
2024-12-29 01:06:29 B 10 26 28.65 +08 23 57.0 – X K19
2024-12-29 01:11:48 B 10 26 28.57 +08 23 50.0 – X K19
2025-01-02 14:16:03 C 10 24 17.052 +06 00 49.50 – X F51
2025-01-02 14:32:16 C 10 24 16.559 +06 00 27.10 – X F51
2025-01-02 15:04:38 C 10 24 15.574 +05 59 42.34 – X F51
2025-01-04 06:50:53 C 10 23 05.467 +05 04 01.06 – V W68
2025-01-04 06:53:31 C 10 23 05.412 +05 03 57.42 – V W68
2025-01-04 07:02:45 C 10 23 05.042 +05 03 43.99 – V W68
2025-01-04 07:37:55 C 10 23 03.869 +05 02 53.66 – V W68
2025-01-05 12:18:47 C 10 22 04.889 +04 21 02.92 – V T05
2025-01-05 12:23:20 C 10 22 04.699 +04 20 56.44 – V T05
2025-01-05 12:42:59 C 10 22 03.938 +04 20 28.10 – V T05
2025-01-05 12:47:35 C 10 22 03.722 +04 20 21.55 – V T05
2025-01-07 20:03:30 C 10 19 49.468 +02 56 44.03 – – O18
2025-01-07 20:04:46 C 10 19 49.402 +02 56 42.04 – – O18
2025-01-07 20:06:02 C 10 19 49.346 +02 56 40.05 – – O18
2025-01-07 21:50:46 C 10 19 44.318 +02 53 57.14 – – O18
2025-01-10 00:15:42 C 10 17 17.258 +01 33 59.08 – V M22
2025-01-10 00:20:15 C 10 17 17.004 +01 33 51.84 – V M22
2025-01-10 00:24:48 C 10 17 16.704 +01 33 43.45 – V M22
2025-01-10 00:33:56 C 10 17 16.200 +01 33 28.80 – V M22
2025-01-10 19:48:12 C 10 16 13.395 +01 01 31.86 – – O18