2015 YT9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6201700954 ± 1.66e-07
Semi-major axis (a)1.6168606201 AU ± 1.32e-08
Inclination (i)10.41345006° ± 1.71e-05
Long. of Asc. Node (Ω)125.90180947° ± 3.43e-05
Arg. of Perihelion (ω)232.50434439° ± 5.04e-05
Mean Anomaly (M)328.39695124° ± 2.03e-05
Mean Motion (n)0.4794059289°/day ± 5.89e-09
Perihelion dist (q)0.61413202 AU ± 2.68e-07
Aphelion dist (Q)2.61958923 AU ± 2.69e-07
Orbital Period2.05593261 yr ± 2.53e-08
Physical Parameters
H (abs. magnitude)20.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.304″
Uncertainty0
Orbit TypeApollo
MOID0.109221 AU
Observations Used76
Oppositions6
Arc Total2007-2018
First Observation Used2007-05-23
Last Observation Used2018-01-24
Observations (80)
Date Type RA Dec Mag Band Observatory
2016-01-27 06:51:05 C 07 48 48.30 +19 18 15.2 o 691
2016-01-27 06:59:04 C 07 48 47.61 +19 18 22.8 o 691
2016-01-27 07:07:03 C 07 48 46.92 +19 18 28.7 o 691
2016-01-30 03:27:55 C 07 43 20.23 +20 11 17.4 q G96
2016-01-30 03:35:35 C 07 43 19.73 +20 11 21.8 q G96
2016-01-30 03:43:15 C 07 43 19.11 +20 11 27.9 q G96
2016-01-30 03:50:56 C 07 43 18.49 +20 11 33.5 q G96
2016-02-01 06:53:59 C 07 39 41.860 +20 46 52.86 L F51
2016-02-01 07:13:05 C 07 39 40.515 +20 47 05.70 L F51
2016-02-01 07:32:04 C 07 39 39.180 +20 47 18.00 L F51
2016-02-05 07:09:52 C 07 33 55.518 +21 44 42.97 L F51
2016-02-05 07:30:25 C 07 33 54.373 +21 44 54.42 L F51
2016-02-05 07:51:18 C 07 33 53.165 +21 45 05.85 L F51
2017-12-29 04:27:02 C 03 27 52.28 -30 50 51.2 o 926
2017-12-29 04:30:33 C 03 27 53.96 -30 50 15.8 o 926
2017-12-29 04:34:06 C 03 27 55.62 -30 49 40.5 o 926
2018-01-12 08:33:30 C 04 51 01.47 +04 22 27.0 U T05
2018-01-12 08:46:49 C 04 51 03.02 +04 23 10.4 U T05
2018-01-12 09:00:33 C 04 51 04.62 +04 23 55.1 U T05
2018-01-12 09:13:05 C 04 51 06.06 +04 24 35.4 U T05
2018-01-13 05:34:34 C 04 53 35.85 +05 28 07.1 U 703
2018-01-13 05:42:12 C 04 53 36.65 +05 28 30.9 U 703
2018-01-13 05:57:29 C 04 53 38.40 +05 29 16.2 U 703
2018-01-13 06:57:23 C 04 53 46.556 +05 32 23.18 U F51
2018-01-13 07:16:44 C 04 53 48.683 +05 33 21.23 U F51
2018-01-13 07:56:40 C 04 53 53.085 +05 35 21.25 U F51
2018-01-24 03:28:08 C 05 18 29.55 +14 36 38.5 U G96
2018-01-24 03:35:33 C 05 18 30.11 +14 36 49.2 U G96
2018-01-24 03:42:59 C 05 18 30.65 +14 37 00.2 U G96
2018-01-24 03:50:25 C 05 18 31.20 +14 37 11.1 U G96