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
2022-01-04 06:02:26 C 00 47 56.64 +29 40 33.2 V 703
2022-01-07 23:33:51 C 00 30 39.87 +28 37 37.8 Z W33
2022-01-07 23:40:10 C 00 30 38.70 +28 37 33.8 Z W33
2022-01-07 23:46:31 C 00 30 37.51 +28 37 29.8 Z W33
2022-01-08 06:28:38 C 00 29 23.99 +28 32 47.5 V T05
2022-01-08 06:33:56 C 00 29 23.04 +28 32 43.6 V T05
2022-01-08 06:41:54 C 00 29 21.57 +28 32 37.8 V T05
2022-01-08 06:57:46 C 00 29 18.64 +28 32 26.8 V T05
2022-01-24 01:57:06 C 23 32 36.52 +24 05 47.0 V 703
2022-01-24 02:13:28 C 23 32 34.36 +24 05 34.2 V 703
2022-01-24 02:21:39 C 23 32 33.17 +24 05 28.9 V 703
2022-09-28 09:35:10 C 04 06 55.634 -08 11 37.14 V G96
2022-09-28 09:42:35 C 04 06 55.278 -08 11 40.27 V G96
2022-09-28 09:50:01 C 04 06 54.968 -08 11 42.61 V G96
2022-09-28 09:57:26 C 04 06 54.695 -08 11 45.74 V G96
2022-09-29 13:14:17 C 04 05 43.424 -08 22 00.45 U F52
2022-09-29 13:30:07 C 04 05 42.700 -08 22 06.54 U F52
2022-09-29 13:45:56 C 04 05 42.003 -08 22 12.22 U F52
2022-09-29 14:01:46 C 04 05 41.250 -08 22 18.02 U F52
2022-10-30 07:22:41 C 03 16 13.764 -12 09 35.96 V G96
2022-10-30 07:30:11 C 03 16 13.105 -12 09 37.76 V G96
2022-10-30 07:37:40 C 03 16 12.457 -12 09 39.06 V G96
2022-10-30 07:45:08 C 03 16 11.824 -12 09 39.53 V G96
2022-10-31 09:59:54 C 03 14 00.711 -12 13 55.24 U F51
2022-10-31 10:13:50 C 03 13 59.279 -12 13 58.51 V G96
2022-10-31 10:16:36 C 03 13 59.296 -12 13 57.97 U F51
2022-10-31 10:20:27 C 03 13 58.735 -12 13 59.12 V G96
2022-10-31 10:26:33 C 03 13 58.192 -12 13 59.66 V G96
2022-10-31 10:32:37 C 03 13 57.587 -12 14 00.64 V G96
2022-10-31 10:33:18 C 03 13 57.872 -12 14 00.46 U F51
2022-10-31 10:53:15 C 03 13 56.178 -12 14 03.73 U F51
2022-11-15 07:47:39 C 02 44 23.198 -12 31 37.26 U F51
2022-11-15 08:03:48 C 02 44 21.901 -12 31 36.43 U F51
2022-11-15 08:19:57 C 02 44 20.593 -12 31 35.40 U F51
2022-11-15 08:36:05 C 02 44 19.307 -12 31 34.41 U F51
2024-10-24 10:26:17 C 04 06 46.649 +01 56 38.08 V G96
2024-10-24 10:33:40 C 04 06 46.170 +01 56 36.20 V G96
2024-10-24 10:41:03 C 04 06 45.652 +01 56 35.34 V G96
2024-10-24 10:48:26 C 04 06 45.155 +01 56 34.15 V G96
2024-10-31 08:29:06 C 03 55 14.437 +01 27 01.58 V G96
2024-10-31 08:36:35 C 03 55 13.876 +01 27 00.40 V G96
2024-10-31 08:44:04 C 03 55 13.292 +01 26 58.99 V G96
2024-10-31 08:51:33 C 03 55 12.745 +01 26 57.70 V G96
2024-11-22 09:08:07 C 03 11 46.158 +00 33 02.88 X F52
2024-11-22 09:25:52 C 03 11 44.641 +00 33 02.62 X F52
2024-11-22 09:43:42 C 03 11 43.119 +00 33 02.04 X F52
2024-11-22 10:01:31 C 03 11 41.575 +00 33 01.73 X F52
2024-11-28 08:25:39 C 02 59 56.630 +00 33 53.51 X F52
2024-11-28 08:42:34 C 02 59 55.236 +00 33 53.94 X F52
2024-11-28 08:59:25 C 02 59 53.863 +00 33 54.59 X F52