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
2004-12-02 04:53:00 C 03 53 42.63 +22 44 30.6 o 699
2004-12-02 05:21:05 C 03 53 37.55 +22 44 37.5 o 699
2004-12-02 05:49:07 C 03 53 32.46 +22 44 44.7 o 699
2004-12-02 06:26:02 C 03 53 25.67 +22 44 53.9 17.9 c 704
2004-12-02 06:26:26 C 03 53 25.69 +22 44 53.6 18.1 c 644
2004-12-02 06:39:44 C 03 53 23.02 +22 44 56.3 r H41
2004-12-02 06:44:15 C 03 53 22.17 +22 44 57.8 r H41
2004-12-02 06:44:48 C 03 53 22.25 +22 44 58.5 18.6 c 704
2004-12-02 06:46:24 C 03 53 21.78 +22 44 57.7 r H41
2004-12-02 06:48:57 C 03 53 21.32 +22 44 58.3 r H41
2004-12-02 06:57:30 C 03 53 20.04 +22 45 01.2 18.3 c 644
2004-12-02 07:02:50 C 03 53 18.96 +22 45 02.0 19.0 c 704
2004-12-02 07:23:43 C 03 53 15.17 +22 45 07.3 18.3 c 704
2004-12-02 07:26:24 C 03 53 14.78 +22 45 07.9 17.8 c 644
2004-12-02 07:41:52 C 03 53 11.85 +22 45 12.0 18.0 c 704
2004-12-02 21:35:51 C 03 50 42.44 +22 48 25.0 r 170
2004-12-02 21:37:03 C 03 50 42.22 +22 48 25.3 r 170
2004-12-02 21:38:54 C 03 50 41.89 +22 48 25.7 r 170
2004-12-10 03:53:59 C 03 18 04.61 +23 18 02.4 r H41
2004-12-10 03:56:38 C 03 18 04.05 +23 18 02.5 r H41
2004-12-10 04:00:46 C 03 18 03.25 +23 18 03.7 r H41
2004-12-10 04:03:26 C 03 18 02.75 +23 18 03.2 r H41
2004-12-10 22:48:53 C 03 14 27.35 +23 19 51.8 c 046
2004-12-10 22:50:13 C 03 14 27.03 +23 19 52.4 c 046
2004-12-10 22:51:23 C 03 14 26.85 +23 19 52.0 c 046
2004-12-10 22:53:23 C 03 14 26.47 +23 19 51.9 c 046
2004-12-10 22:54:22 C 03 14 26.22 +23 19 52.6 c 046
2004-12-10 22:55:35 C 03 14 25.98 +23 19 52.4 c 046
2004-12-10 22:56:39 C 03 14 25.79 +23 19 52.5 c 046
2004-12-11 07:17:20 C 03 12 49.97 +23 20 38.5 d 703
2004-12-11 07:32:00 C 03 12 47.20 +23 20 40.1 d 703
2004-12-11 07:46:39 C 03 12 44.28 +23 20 41.9 d 703
2004-12-11 08:01:21 C 03 12 41.41 +23 20 42.6 d 703
2004-12-11 20:42:31 C 03 10 16.55 +23 21 40.9 18.7 r 130
2004-12-11 20:46:39 C 03 10 15.76 +23 21 41.2 18.6 r 130
2004-12-11 20:50:38 C 03 10 15.00 +23 21 41.9 18.6 r 130
2004-12-11 20:55:30 C 03 10 14.01 +23 21 42.2 18.7 r 130
2004-12-12 05:34:26 C 03 08 34.58 +23 22 20.9 r H41
2004-12-12 05:37:06 C 03 08 34.07 +23 22 21.5 r H41
2004-12-12 05:39:31 C 03 08 33.62 +23 22 21.1 r H41
2004-12-12 05:41:53 C 03 08 33.18 +23 22 21.1 r H41
2004-12-12 05:44:18 C 03 08 32.73 +23 22 21.4 r H41
2004-12-13 18:45:49 C 03 01 30.14 +23 24 17.1 o 084
2004-12-13 20:05:02 C 03 01 14.94 +23 24 23.9 i 071
2004-12-13 20:14:24 C 03 01 13.25 +23 24 24.7 i 071
2004-12-13 20:20:28 C 03 01 11.97 +23 24 24.6 i 071
2004-12-15 04:19:02 C 02 55 09.63 +23 25 20.9 19.1 c 704
2004-12-15 04:38:36 C 02 55 05.84 +23 25 22.5 19.5 c 704
2004-12-15 04:58:07 C 02 55 02.07 +23 25 21.8 20.1 c 704
2004-12-15 05:16:55 C 02 54 58.54 +23 25 20.8 19.5 c 704