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
1999-12-22 10:58:32 C 00 54 06.86 +47 17 44.0 z 402
1999-12-22 18:46:30 C 00 49 39.44 +47 03 50.1 118
1999-12-22 18:48:38 C 00 49 38.23 +47 03 46.3 118
1999-12-22 18:53:21 C 00 49 35.52 +47 03 37.2 118
1999-12-24 02:58:19 C 00 31 54.19 +46 00 54.7 i 670
1999-12-24 03:48:08 C 00 31 27.25 +45 59 08.2 i 670
1999-12-24 04:28:23 C 00 31 05.49 +45 57 44.0 i 670
1999-12-24 10:01:44 C 00 28 09.05 +45 45 52.9 z 402
1999-12-24 10:05:22 C 00 28 07.14 +45 45 44.0 z 402
1999-12-24 10:07:11 C 00 28 06.36 +45 45 40.3 z 402
1999-12-29 09:29:00 C 23 33 06.88 +40 49 04.2 360
1999-12-29 09:31:45 C 23 33 05.77 +40 48 56.6 360
1999-12-29 09:34:14 C 23 33 04.77 +40 48 50.0 360
2000-01-04 02:52:09 C 22 47 21.13 +34 33 29.6 i 670
2000-01-04 03:44:15 C 22 47 06.46 +34 31 06.1 i 670
2000-01-04 04:05:21 C 22 47 00.51 +34 30 09.3 i 670
2000-01-05 16:40:26 C 22 37 17.28 +32 52 25.1 118
2000-01-05 16:49:18 C 22 37 15.10 +32 52 01.8 118
2000-01-05 16:52:43 C 22 37 14.10 +32 51 52.6 118
2000-01-05 18:26:04 C 22 36 50.12 +32 47 42.7 540
2000-01-05 18:29:32 C 22 36 49.23 +32 47 33.8 540
2000-01-05 19:03:19 C 22 36 40.73 +32 46 04.0 540
2000-01-05 19:32:28 C 22 36 33.32 +32 44 46.4 540
2000-11-20 05:49:23 C 02 40 06.35 -10 31 20.9 696
2000-11-20 05:54:02 C 02 40 05.87 -10 31 20.1 696
2000-11-20 05:59:32 C 02 40 05.52 -10 31 19.9 696
2000-11-23 05:18:33 C 02 34 53.83 -10 23 04.2 696
2000-11-23 05:24:33 C 02 34 53.55 -10 23 02.7 696
2001-09-20 15:10:16 C 09 36 29.12 +26 16 30.1 c 568
2001-09-20 15:11:20 C 09 36 29.40 +26 16 29.3 c 568
2002-12-01 11:14:48 C 02 59 43.50 +02 12 37.3 c 608
2002-12-01 11:30:16 C 02 59 42.20 +02 12 38.4 c 608
2002-12-01 11:45:23 C 02 59 40.99 +02 12 40.3 c 608
2003-10-18 15:34:50 C 02 49 33.40 -44 16 35.1 c 474
2003-10-18 15:37:30 C 02 49 32.89 -44 16 34.4 c 474
2003-10-18 15:43:20 C 02 49 31.83 -44 16 32.7 c 474
2004-11-11 10:12:07 C 05 03 10.10 +20 08 35.6 c 691
2004-11-11 10:51:02 C 05 03 06.29 +20 08 47.7 c 691
2004-11-11 11:30:50 C 05 03 02.41 +20 09 00.2 c 691
2004-11-21 11:19:42 C 04 34 56.44 +21 28 16.9 20.4 c 608
2004-11-21 11:35:10 C 04 34 54.24 +21 28 22.2 20.6 c 608
2004-11-21 11:50:09 C 04 34 52.11 +21 28 26.9 20.1 c 608
2004-11-28 06:28:58 C 04 10 00.02 +22 19 26.0 r H41
2004-11-28 06:31:32 C 04 09 59.62 +22 19 27.5 r H41
2004-11-28 06:33:42 C 04 09 59.24 +22 19 28.1 r H41
2004-11-30 05:58:19 C 04 01 57.25 +22 32 37.9 o 699
2004-11-30 06:40:29 C 04 01 49.89 +22 32 48.9 o 699
2004-11-30 07:22:40 C 04 01 42.38 +22 33 00.1 o 699
2004-11-30 08:04:50 C 04 01 35.01 +22 33 11.4 o 699
2004-12-02 04:24:54 C 03 53 47.69 +22 44 23.6 o 699