2015 SY

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4869425940 ± 3.68e-08
Semi-major axis (a)0.9187063512 AU ± 3.15e-09
Inclination (i)3.16870333° ± 2.67e-06
Long. of Asc. Node (Ω)182.56621958° ± 9.18e-06
Arg. of Perihelion (ω)43.59128386° ± 1.18e-05
Mean Anomaly (M)277.48456223° ± 2.49e-05
Mean Motion (n)1.1193017893°/day ± 5.76e-09
Perihelion dist (q)0.47134910 AU ± 3.38e-08
Aphelion dist (Q)1.36606360 AU ± 3.41e-08
Orbital Period0.88057242 yr ± 4.53e-09
Physical Parameters
H (abs. magnitude)23.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.279″
Uncertainty0
Orbit TypeAten
MOID0.007513 AU
Observations Used128
Oppositions1
Arc Total2015-2024
First Observation Used2015-09-20
Last Observation Used2024-12-07
Observations (137)
Date Type RA Dec Mag Band Observatory
2015-09-30 06:57:16 C 23 48 16.77 -02 54 46.5 u 926
2015-09-30 07:02:37 C 23 48 15.50 -02 54 58.1 u 926
2015-09-30 07:07:58 C 23 48 14.23 -02 55 10.1 u 926
2015-10-02 03:14:53 C 23 39 47.80 -04 18 39.8 u H21
2015-10-02 03:20:37 C 23 39 46.72 -04 18 49.4 u H21
2015-10-02 03:25:56 C 23 39 45.74 -04 18 58.2 u H21
2015-10-02 03:31:14 C 23 39 44.78 -04 19 06.9 u H21
2015-10-02 03:36:40 C 23 39 43.79 -04 19 16.0 u H21
2015-10-02 06:28:09 C 23 39 13.77 -04 23 50.1 q 703
2015-10-02 06:47:38 C 23 39 10.21 -04 24 23.1 q 703
2015-10-15 03:07:41 C 23 13 46.84 -08 32 41.9 u H21
2015-10-15 03:22:17 C 23 13 46.27 -08 32 46.4 u H21
2015-10-15 03:37:45 C 23 13 45.66 -08 32 51.9 u H21
2017-12-14 09:22:59 C 08 34 48.61 -03 06 13.8 o 926
2017-12-14 09:30:50 C 08 34 49.44 -03 06 37.5 o 926
2017-12-14 09:38:41 C 08 34 50.24 -03 07 01.9 o 926
2017-12-15 07:18:11 C 08 37 19.77 -04 17 12.4 U I52
2017-12-15 07:26:29 C 08 37 20.69 -04 17 40.0 U I52
2017-12-15 07:28:51 C 08 37 20.98 -04 17 48.1 U I52
2017-12-15 08:32:55 C 08 37 27.88 -04 21 25.4 o 926
2017-12-15 08:39:57 C 08 37 28.62 -04 21 49.4 o 926
2017-12-15 08:46:57 C 08 37 29.37 -04 22 13.2 o 926
2017-12-15 12:07:28 C 08 37 50.61 -04 33 40.3 o 926
2017-12-15 12:14:29 C 08 37 51.34 -04 34 04.1 o 926
2017-12-15 12:21:30 C 08 37 52.12 -04 34 28.4 o 926
2017-12-16 10:05:08 C 08 40 36.91 -05 52 57.7 o 291
2017-12-16 10:10:19 C 08 40 37.50 -05 53 17.3 o 291
2017-12-16 10:15:30 C 08 40 38.09 -05 53 36.8 o 291
2017-12-23 09:37:24 C 09 14 25.50 -21 57 17.8 U G96
2017-12-23 09:45:00 C 09 14 27.76 -21 58 22.8 U G96
2017-12-23 09:52:35 C 09 14 30.02 -21 59 28.1 U G96
2017-12-23 10:00:10 C 09 14 32.34 -22 00 32.8 U G96
2024-11-30 06:38:46 C 05 23 12.02 +09 52 20.1 V H21
2024-11-30 06:59:23 C 05 23 08.29 +09 52 02.9 V H21
2024-12-07 07:50:07 C 04 49 42.142 +07 13 05.35 X F51
2024-12-07 08:26:54 C 04 49 33.615 +07 12 28.25 X F51
2024-12-07 08:45:14 C 04 49 29.362 +07 12 09.55 X F51