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
2004-12-15 05:35:51 C 02 54 54.82 +23 25 22.8 19.5 c 704
2007-10-29 06:10:11 C 03 53 09.71 -00 21 15.2 o H55
2007-10-29 06:25:34 C 03 53 08.67 -00 21 16.9 o H55
2007-10-29 06:40:10 C 03 53 07.54 -00 21 19.7 o H55
2009-10-30 04:22:54 C 04 52 22.52 +13 34 45.2 r J75
2009-10-30 04:41:32 C 04 52 21.35 +13 34 46.4 r J75
2009-10-30 05:00:04 C 04 52 20.14 +13 34 47.1 r J75
2009-11-09 09:14:03 C 04 33 27.68 +13 45 43.4 r 703
2009-11-09 09:23:36 C 04 33 26.82 +13 45 45.0 r 703
2009-11-09 09:32:45 C 04 33 26.02 +13 45 44.2 r 703
2009-11-09 09:42:07 C 04 33 25.16 +13 45 45.0 r 703
2009-11-19 06:14:42 C 04 09 08.48 +13 56 51.3 19.9 c 704
2009-11-19 06:32:32 C 04 09 06.48 +13 56 52.8 19.5 c 704
2009-11-19 06:50:15 C 04 09 04.38 +13 56 53.7 20.0 c 704
2009-11-19 07:08:07 C 04 09 02.27 +13 56 53.8 19.4 c 704
2009-11-20 05:45:45 C 04 06 26.95 +13 57 55.0 19.1 c 704
2009-11-20 06:03:29 C 04 06 24.83 +13 57 55.9 19.7 c 704
2009-11-20 06:21:17 C 04 06 22.77 +13 57 56.3 20.2 c 704
2009-11-20 06:39:00 C 04 06 20.78 +13 57 56.8 20.3 c 704
2009-11-20 06:56:43 C 04 06 18.61 +13 57 57.7 19.8 c 704
2009-11-23 07:34:27 C 03 57 43.84 +14 01 06.1 r G96
2009-11-23 07:44:34 C 03 57 42.62 +14 01 06.5 r G96
2009-11-23 07:54:33 C 03 57 41.40 +14 01 06.9 r G96
2009-11-23 08:04:36 C 03 57 40.17 +14 01 07.3 r G96
2009-12-10 06:56:22 C 03 06 33.22 +14 15 26.6 r 703
2009-12-10 07:07:44 C 03 06 31.86 +14 15 26.1 r 703
2009-12-10 07:19:13 C 03 06 30.38 +14 15 26.2 r 703
2009-12-10 07:30:23 C 03 06 28.94 +14 15 28.2 r 703
2009-12-12 05:09:37 C 03 00 55.22 +14 17 02.7 19.9 c 704
2009-12-12 05:27:58 C 03 00 52.95 +14 17 03.4 19.9 c 704
2009-12-12 05:46:07 C 03 00 50.74 +14 17 04.2 20.1 c 704
2009-12-12 06:04:29 C 03 00 48.58 +14 17 06.4 20.4 c 704
2010-01-17 05:53:57 S 01 51 49.77 +15 55 23.5 L C51
2010-01-17 09:04:28 S 01 51 42.87 +15 56 05.9 L C51
2010-01-17 12:14:59 S 01 51 36.03 +15 56 49.8 L C51
2010-01-17 13:50:21 S 01 51 32.68 +15 57 11.1 L C51
2010-01-17 15:25:41 S 01 51 29.29 +15 57 32.5 L C51
2010-01-17 17:00:52 S 01 51 25.89 +15 57 53.9 L C51
2010-01-17 18:36:13 S 01 51 22.54 +15 58 16.5 L C51
2010-01-17 20:11:34 S 01 51 19.20 +15 58 37.6 L C51
2010-01-17 23:22:05 S 01 51 12.50 +15 59 21.9 L C51
2010-11-16 04:23:15 C 02 21 03.87 -19 21 24.2 o 291
2010-11-16 04:29:21 C 02 21 03.29 -19 21 20.7 o 291
2010-11-16 04:35:17 C 02 21 02.87 -19 21 19.3 o 291
2012-10-23 08:02:18 C 03 50 09.40 -03 32 03.2 o 926
2012-10-23 08:18:54 C 03 50 08.26 -03 32 06.9 o 926
2012-10-23 08:35:45 C 03 50 07.10 -03 32 11.6 o 926
2013-11-07 00:05:37 C 21 46 45.05 -64 42 15.5 u 807
2013-11-07 00:09:13 C 21 46 46.16 -64 42 06.9 u 807
2013-11-07 00:12:48 C 21 46 47.26 -64 41 57.9 u 807