2015 YY9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5644581352 ± 2.00e+00
Semi-major axis (a)1.8650948637 AU ± 3.00e+00
Inclination (i)8.29951147° ± 4.00e+00
Long. of Asc. Node (Ω)77.92151353° ± 5.00e+00
Arg. of Perihelion (ω)300.41024168° ± 6.00e+00
Mean Anomaly (M)339.82728298° ± 1.20e-01
Mean Motion (n)0.3869505800°/day ± 9.34e-01
Perihelion dist (q)0.81233480 AU ± 3.95e+00
Aphelion dist (Q)2.91783880 AU ± 6.00e+00
Orbital Period2.54711510 yr ± 6.15e+00
Physical Parameters
H (abs. magnitude)22.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.295″
Uncertainty3
Orbit TypeApollo
MOID0.000973 AU
Observations Used110
Oppositions1
Arc Total2015-2016
First Observation Used
Last Observation Used2016-01-14
Observations (110)
Date Type RA Dec Mag Band Observatory
2015-12-29 03:26:39 C 03 27 37.63 +34 24 50.3 q 703
2015-12-29 03:34:01 C 03 27 40.45 +34 25 03.9 q 703
2015-12-29 03:41:26 C 03 27 43.23 +34 25 17.8 q 703
2015-12-29 03:48:53 C 03 27 45.99 +34 25 31.7 q 703
2015-12-29 05:53:58 C 03 28 32.98 +34 29 20.0 q 703
2015-12-29 06:01:47 C 03 28 35.91 +34 29 34.2 q 703
2015-12-29 06:09:34 C 03 28 38.78 +34 29 47.5 q 703
2015-12-29 06:17:21 C 03 28 41.68 +34 30 01.1 q 703
2015-12-29 08:28:43 C 03 29 33.492 +34 34 12.40 L F51
2015-12-29 08:29:39 C 03 29 33.832 +34 34 13.94 L F51
2015-12-29 08:35:23 C 03 29 35.922 +34 34 23.89 L F51
2015-12-29 08:36:19 C 03 29 36.296 +34 34 25.78 L F51
2015-12-29 08:42:03 C 03 29 38.405 +34 34 35.58 L F51
2015-12-29 08:42:58 C 03 29 38.739 +34 34 37.24 L F51
2015-12-29 09:04:45 C 03 29 44.96 +34 34 48.6 o 291
2015-12-29 09:07:06 C 03 29 45.82 +34 34 52.5 o 291
2015-12-29 09:09:25 C 03 29 46.70 +34 34 56.3 o 291
2015-12-29 10:08:28 C 03 30 10.324 +34 37 03.67 L F51
2015-12-29 10:09:23 C 03 30 10.663 +34 37 05.17 L F51
2015-12-29 10:17:47 C 03 30 13.805 +34 37 19.33 L F51
2015-12-29 10:25:15 C 03 30 16.561 +34 37 31.93 L F51
2015-12-29 10:26:11 C 03 30 16.891 +34 37 33.39 L F51
2015-12-29 10:33:40 C 03 30 19.705 +34 37 45.89 L F51
2015-12-29 12:58:04 C 03 31 17.42 +34 41 53.5 o 300
2015-12-29 13:04:07 C 03 31 19.66 +34 42 04.4 o 300
2015-12-29 13:08:02 C 03 31 20.79 +34 42 10.4 q 900
2015-12-29 13:10:46 C 03 31 22.04 +34 42 14.7 o 300
2015-12-29 13:14:06 C 03 31 23.32 +34 42 20.4 o 300
2015-12-29 13:18:20 C 03 31 24.58 +34 42 27.2 q 900
2015-12-29 13:28:37 C 03 31 28.26 +34 42 44.4 q 900
2015-12-29 18:00:01 C 03 33 14.21 +34 50 15.4 q 160
2015-12-29 18:05:15 C 03 33 16.09 +34 50 24.7 q 160
2015-12-29 18:06:35 C 03 33 17.14 +34 50 23.8 q 958
2015-12-29 18:10:32 C 03 33 18.01 +34 50 34.0 q 160
2015-12-29 18:15:49 C 03 33 20.51 +34 50 39.5 q 958
2015-12-29 19:41:52 C 03 33 51.08 +34 53 06.8 q C77
2015-12-29 19:48:28 C 03 33 53.44 +34 53 17.8 q C77
2015-12-29 19:55:04 C 03 33 55.83 +34 53 28.7 q C77
2015-12-29 19:59:18 C 03 33 57.04 +34 53 34.8 o K51
2015-12-29 20:02:31 C 03 33 58.20 +34 53 40.0 o K51
2015-12-29 20:16:45 C 03 34 03.30 +34 54 03.5 o K51
2015-12-29 21:44:24 C 03 34 35.33 +34 56 29.4 q 958
2015-12-30 03:38:32 C 03 36 45.82 +35 06 05.3 o 711
2015-12-30 03:42:48 C 03 36 47.32 +35 06 12.0 o 711
2015-12-30 03:46:54 C 03 36 48.71 +35 06 18.1 o 711
2015-12-30 07:35:24 C 03 38 07.86 +35 11 58.5 q 703
2015-12-30 07:41:17 C 03 38 09.92 +35 12 07.1 q 703
2015-12-30 07:47:13 C 03 38 11.97 +35 12 15.2 q 703
2015-12-30 11:39:52 C 03 39 38.10 +35 18 09.2 o 300
2015-12-30 11:43:11 C 03 39 39.23 +35 18 13.8 o 300