225416 (1999 YC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8302059922 ± 1.94e-08
Semi-major axis (a)1.4218313680 AU ± 8.85e-10
Inclination (i)38.26263278° ± 5.56e-06
Long. of Asc. Node (Ω)64.74710989° ± 2.27e-06
Arg. of Perihelion (ω)156.44953691° ± 2.85e-06
Mean Anomaly (M)70.91872829° ± 4.01e-06
Mean Motion (n)0.5813532963°/day ± 5.43e-10
Perihelion dist (q)0.24141845 AU ± 2.76e-08
Aphelion dist (Q)2.60224429 AU ± 2.76e-08
Orbital Period1.69539984 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)17.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.200″
Uncertainty0
Orbit TypeApollo
MOID0.248375 AU
Observations Used565
Gaia Obs Used24
Oppositions7
Arc Total1999-2016
First Observation Used1999-11-27
Last Observation Used2025-02-02
Observations (637)
Date Type RA Dec Mag Band Observatory
2021-11-18 23:03:55 s 1 -134635.73 9 + 722.060 9550.0 C57
2021-11-26 11:42:51 C 04 46 42.958 +28 47 28.91 U F52
2021-11-26 11:54:46 C 04 46 40.764 +28 47 38.13 U F52
2021-11-26 12:06:38 C 04 46 38.561 +28 47 47.39 U F52
2021-11-26 12:18:31 C 04 46 36.363 +28 47 56.63 U F52
2021-11-27 07:00:44 C 04 43 09.94 +29 02 34.6 V 703
2021-11-27 07:09:18 C 04 43 08.27 +29 02 41.4 V 703
2021-11-27 07:17:56 C 04 43 06.64 +29 02 46.9 V 703
2021-11-27 07:27:22 C 04 43 04.80 +29 02 55.4 V 703
2021-11-27 11:26:25 C 04 42 19.53 +29 06 05.1 V T08
2021-11-27 11:31:04 C 04 42 18.68 +29 06 08.8 V T08
2021-11-27 11:45:38 C 04 42 15.83 +29 06 20.4 V T08
2021-11-27 12:00:59 C 04 42 12.88 +29 06 31.5 V T08
2021-11-28 07:25:45 C 04 38 28.94 +29 21 38.3 V G96
2021-11-28 07:33:15 C 04 38 27.45 +29 21 44.1 V G96
2021-11-28 07:48:13 C 04 38 24.45 +29 21 55.6 V G96
2021-11-30 05:46:49 C 04 29 02.51 +29 57 17.1 V 703
2021-11-30 05:54:53 C 04 29 00.73 +29 57 24.5 V 703
2021-11-30 06:02:58 C 04 28 59.05 +29 57 30.2 V 703
2021-11-30 06:11:02 C 04 28 57.31 +29 57 36.0 V 703
2021-11-30 12:59:10 C 04 27 30.828 +30 02 53.84 V P07
2021-11-30 14:14:52 C 04 27 14.354 +30 03 52.31 V P07
2021-11-30 15:26:25 C 04 26 58.711 +30 04 47.24 V P07
2021-11-30 15:30:25 C 04 26 57.826 +30 04 50.02 V P07
2021-12-06 04:13:18 C 03 55 30.96 +31 36 00.9 V 703
2021-12-06 04:21:28 C 03 55 28.88 +31 36 06.0 V 703
2021-12-06 04:29:38 C 03 55 26.73 +31 36 11.2 V 703
2021-12-06 04:37:48 C 03 55 24.61 +31 36 16.3 V 703
2021-12-06 22:11:31 C 03 50 49.75 +31 46 32.0 V 130
2021-12-06 22:13:54 C 03 50 49.11 +31 46 33.2 V 130
2021-12-06 22:16:18 C 03 50 48.47 +31 46 34.7 V 130
2021-12-06 22:18:41 C 03 50 47.85 +31 46 36.0 V 130
2021-12-07 22:44:49 C 03 44 17.27 +32 00 00.6 V K88
2021-12-07 22:47:38 C 03 44 16.49 +32 00 02.1 V K88
2021-12-07 22:50:28 C 03 44 15.72 +32 00 03.6 V K88
2021-12-09 09:51:19 C 03 34 40.67 +32 17 22.1 V T08
2021-12-09 09:55:29 C 03 34 39.50 +32 17 23.6 V T08
2021-12-09 10:32:24 C 03 34 29.04 +32 17 40.1 V T08
2021-12-09 11:14:37 C 03 34 17.14 +32 17 58.5 V T08
2021-12-12 03:36:15 C 03 16 00.22 +32 42 09.2 V 703
2021-12-12 03:43:56 C 03 15 57.96 +32 42 11.6 V 703
2021-12-12 03:51:37 C 03 15 55.69 +32 42 13.9 V 703
2021-12-12 03:59:18 C 03 15 53.36 +32 42 16.3 V 703
2021-12-12 19:29:09 C 03 11 23.04 +32 46 30.8 X C95
2021-12-12 19:31:39 C 03 11 22.32 +32 46 31.7 X C95
2021-12-12 19:34:10 C 03 11 21.57 +32 46 32.4 X C95
2021-12-12 19:36:40 C 03 11 20.82 +32 46 32.9 X C95
2021-12-12 19:39:09 C 03 11 20.10 +32 46 33.4 X C95
2021-12-12 19:41:39 C 03 11 19.32 +32 46 34.3 X C95
2021-12-13 08:08:58 C 03 07 40.25 +32 49 41.6 V T08