2015 YS1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4200812606 ± 4.58e-06
Semi-major axis (a)1.8808200500 AU ± 1.64e-05
Inclination (i)18.04619981° ± 1.20e-04
Long. of Asc. Node (Ω)278.90325884° ± 7.63e-05
Arg. of Perihelion (ω)146.24621214° ± 5.14e-05
Mean Anomaly (M)318.22464099° ± 1.83e-02
Mean Motion (n)0.3821126429°/day ± 5.00e-06
Perihelion dist (q)1.09072279 AU ± 1.28e-05
Aphelion dist (Q)2.67091731 AU ± 2.48e-05
Orbital Period2.57941291 yr ± 3.38e-05
Physical Parameters
H (abs. magnitude)20.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty2
Orbit TypeAmor
MOID0.145752 AU
Observations Used108
Oppositions1
Arc Total2015-2016
First Observation Used2015-12-17
Last Observation Used2016-03-14
Observations (114)
Date Type RA Dec Mag Band Observatory
2016-01-02 06:19:52 C 09 41 29.57 -03 10 16.5 u 807
2016-01-02 06:26:07 C 09 41 29.03 -03 10 30.5 u 807
2016-01-02 06:32:22 C 09 41 28.53 -03 10 45.0 u 807
2016-01-02 07:26:28 C 09 41 25.12 -03 13 15.0 o 691
2016-01-02 07:34:07 C 09 41 24.51 -03 13 31.5 o 691
2016-01-02 07:41:46 C 09 41 23.85 -03 13 49.3 o 691
2016-01-02 09:22:52 C 09 41 14.98 -03 17 38.8 u H21
2016-01-02 09:29:09 C 09 41 14.46 -03 17 53.2 u H21
2016-01-02 09:35:42 C 09 41 13.93 -03 18 08.2 u H21
2016-01-02 09:43:43 C 09 41 13.27 -03 18 25.8 u H21
2016-01-02 09:44:28 C 09 41 13.82 -03 18 25.4 q I52
2016-01-02 09:48:04 C 09 41 13.53 -03 18 32.9 q I52
2016-01-02 09:52:30 C 09 41 13.17 -03 18 43.1 q I52
2016-01-02 09:56:05 C 09 41 12.87 -03 18 51.2 q I52
2016-01-03 09:17:48 C 09 39 25.66 -04 10 33.9 R G45
2016-01-03 09:24:47 C 09 39 25.09 -04 10 49.6 R G45
2016-01-03 09:24:59 C 09 39 25.09 -04 10 49.6 R G45
2016-01-03 09:32:00 C 09 39 24.52 -04 11 05.0 R G45
2016-01-03 09:34:03 C 09 39 24.39 -04 11 09.5 R G45
2016-01-03 09:34:14 C 09 39 24.35 -04 11 10.7 R G45
2016-01-03 09:41:19 C 09 39 23.77 -04 11 24.5 R G45
2016-01-03 11:40:24 C 09 39 13.81 -04 15 44.6 q I52
2016-01-03 11:45:37 C 09 39 13.34 -04 15 56.3 q I52
2016-01-03 11:50:50 C 09 39 12.98 -04 16 06.6 q I52
2016-01-03 11:57:00 C 09 39 12.38 -04 16 20.7 q I52
2016-01-10 05:24:59 C 09 25 51.23 -09 33 12.0 u 807
2016-01-10 05:28:46 C 09 25 50.88 -09 33 18.6 u 807
2016-01-10 05:32:48 C 09 25 50.50 -09 33 25.8 u 807
2016-01-10 05:36:19 C 09 25 50.17 -09 33 32.0 u 807
2016-01-10 05:40:21 C 09 25 49.80 -09 33 38.8 u 807
2016-01-14 05:29:11 C 09 17 21.25 -12 07 16.6 u 807
2016-01-14 05:32:19 C 09 17 20.95 -12 07 21.3 u 807
2016-01-14 05:35:41 C 09 17 20.61 -12 07 26.1 u 807
2016-01-14 05:39:03 C 09 17 20.29 -12 07 30.8 u 807
2016-01-14 05:42:00 C 09 17 20.01 -12 07 35.3 u 807
2016-01-15 11:46:17 C 09 14 38.362 -12 50 39.19 L F51
2016-01-15 12:03:06 C 09 14 36.731 -12 51 02.42 L F51
2016-01-15 12:19:54 C 09 14 35.109 -12 51 25.46 L F51
2016-01-15 12:36:46 C 09 14 33.471 -12 51 48.65 L F51
2016-01-17 11:20:40 C 09 10 23.033 -13 52 50.57 L F51
2016-01-17 11:37:00 C 09 10 21.463 -13 53 10.81 L F51
2016-01-17 11:53:16 C 09 10 19.899 -13 53 30.93 L F51
2016-01-17 12:09:38 C 09 10 18.319 -13 53 51.24 L F51
2016-01-21 06:27:32 C 09 02 19.48 -15 33 38.7 u 807
2016-01-21 06:31:17 C 09 02 19.12 -15 33 42.6 u 807
2016-01-21 06:35:17 C 09 02 18.74 -15 33 46.7 u 807
2016-01-21 06:39:17 C 09 02 18.36 -15 33 50.7 u 807
2016-01-21 06:42:48 C 09 02 18.05 -15 33 54.0 u 807
2016-01-22 03:41:55 C 09 00 30.00 -15 53 55.6 u 807
2016-01-22 03:47:40 C 09 00 29.42 -15 54 01.1 u 807