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
2021-12-13 08:18:22 C 03 07 37.46 +32 49 43.7 V T08
2021-12-13 08:29:56 C 03 07 33.94 +32 49 46.4 V T08
2021-12-13 08:34:35 C 03 07 32.59 +32 49 47.4 V T08
2021-12-16 00:14:00 C 02 48 44.09 +32 58 31.1 V W46
2021-12-16 00:33:28 C 02 48 38.24 +32 58 32.5 V W46
2021-12-16 00:46:43 C 02 48 34.18 +32 58 33.0 V W46
2021-12-20 20:43:21 C 02 14 23.52 +32 46 32.4 X K87
2021-12-20 20:48:52 C 02 14 22.01 +32 46 31.6 X K87
2021-12-20 20:54:23 C 02 14 20.35 +32 46 30.9 X K87
2021-12-21 05:00:09 C 02 11 59.98 +32 44 28.6 V G96
2021-12-21 05:07:33 C 02 11 57.81 +32 44 26.6 V G96
2021-12-21 05:14:58 C 02 11 55.64 +32 44 24.5 V G96
2021-12-21 05:22:23 C 02 11 53.47 +32 44 22.4 V G96
2021-12-21 06:42:48 C 02 11 30.00 +32 43 58.6 V 703
2021-12-21 06:50:29 C 02 11 27.75 +32 43 56.4 V 703
2021-12-21 06:58:09 C 02 11 25.53 +32 43 54.3 V 703
2021-12-21 07:05:50 C 02 11 23.31 +32 43 51.9 V 703
2021-12-23 10:51:33 C 01 56 42.85 +32 26 36.3 V T05
2021-12-23 10:56:11 C 01 56 41.56 +32 26 34.4 V T05
2021-12-23 11:06:05 C 01 56 38.82 +32 26 30.2 V T05
2021-12-23 11:20:35 C 01 56 34.74 +32 26 24.0 V T05
2021-12-24 00:48:36 C 01 52 52.16 +32 20 59.6 V W46
2021-12-24 00:59:36 C 01 52 49.08 +32 20 55.3 V W46
2021-12-24 01:37:08 C 01 52 38.53 +32 20 39.9 V W46
2021-12-25 06:04:35 C 01 44 53.70 +32 08 03.6 V T08
2021-12-25 06:16:24 C 01 44 50.45 +32 07 57.8 V T08
2021-12-25 06:25:53 C 01 44 47.85 +32 07 53.0 V T08
2021-12-25 06:45:21 C 01 44 42.53 +32 07 44.0 V T08
2021-12-27 03:45:25 C 01 32 51.36 +31 44 45.4 V 703
2021-12-27 03:53:38 C 01 32 49.26 +31 44 40.7 V 703
2021-12-27 04:01:51 C 01 32 47.09 +31 44 36.2 V 703
2021-12-27 04:10:04 C 01 32 44.88 +31 44 31.1 V 703
2021-12-29 00:47:12 C 01 21 31.55 +31 18 56.5 V W46
2021-12-29 01:04:15 C 01 21 27.32 +31 18 46.3 V W46
2021-12-29 01:23:00 C 01 21 22.60 +31 18 35.0 V W46
2021-12-29 13:40:10 S 01 18 23.016 +31 11 06.54 L C51
2021-12-29 16:48:18 S 01 17 37.558 +31 09 10.62 L C51
2021-12-29 18:22:22 S 01 17 14.892 +31 08 12.48 L C51
2021-12-29 21:30:41 S 01 16 29.628 +31 06 15.41 L C51
2022-01-04 02:22:21 C 00 48 42.45 +29 43 11.0 V G96
2022-01-04 02:30:42 C 00 48 40.72 +29 43 04.6 V G96
2022-01-04 02:39:01 C 00 48 38.96 +29 42 58.8 V G96
2022-01-04 02:47:20 C 00 48 37.22 +29 42 52.7 V G96
2022-01-04 03:46:35 C 00 48 24.82 +29 42 11.8 V 703
2022-01-04 03:54:49 C 00 48 23.10 +29 42 04.8 V 703
2022-01-04 04:03:03 C 00 48 21.39 +29 41 58.8 V 703
2022-01-04 04:11:16 C 00 48 19.66 +29 41 53.2 V 703
2022-01-04 05:37:43 C 00 48 01.75 +29 40 51.4 V 703
2022-01-04 05:45:57 C 00 48 00.06 +29 40 45.0 V 703
2022-01-04 05:54:11 C 00 47 58.36 +29 40 39.3 V 703