2015 SY16

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4988671674 ± 2.20e-08
Semi-major axis (a)1.2430378883 AU ± 7.75e-09
Inclination (i)5.26620303° ± 3.27e-06
Long. of Asc. Node (Ω)294.46335071° ± 3.70e-05
Arg. of Perihelion (ω)305.79486883° ± 3.93e-05
Mean Anomaly (M)177.97547490° ± 1.96e-05
Mean Motion (n)0.7111901396°/day ± 6.65e-09
Perihelion dist (q)0.62292710 AU ± 2.76e-08
Aphelion dist (Q)1.86314868 AU ± 2.97e-08
Orbital Period1.38588294 yr ± 1.30e-08
Physical Parameters
H (abs. magnitude)21.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.252″
Uncertainty0
Orbit TypeApollo
MOID0.044313 AU
Observations Used79
Oppositions2
Arc Total2015-2022
First Observation Used2015-09-23
Last Observation Used2022-09-29
Observations (81)
Date Type RA Dec Mag Band Observatory
2015-09-23 05:42:52 C 21 57 23.016 +15 12 47.73 L F51
2015-09-23 06:02:27 C 21 57 23.884 +15 12 11.04 L F51
2015-09-23 06:22:02 C 21 57 24.716 +15 11 34.50 L F51
2015-09-23 21:57:38 C 21 58 10.86 +14 42 29.7 t B18
2015-09-23 22:00:46 C 21 58 11.01 +14 42 23.9 t B18
2015-09-23 22:05:26 C 21 58 11.21 +14 42 15.4 t B18
2015-09-24 03:49:58 C 21 58 31.08 +14 32 08.7 o 291
2015-09-24 03:52:17 C 21 58 31.17 +14 32 04.4 o 291
2015-09-24 03:54:37 C 21 58 31.26 +14 32 00.3 o 291
2015-09-24 04:24:49 C 21 58 31.65 +14 31 02.5 u H21
2015-09-24 04:31:17 C 21 58 31.91 +14 30 50.9 u H21
2015-09-24 04:37:33 C 21 58 32.18 +14 30 39.9 u H21
2015-09-24 05:07:10 C 21 58 33.42 +14 29 47.2 r H21
2015-09-24 05:22:16 C 21 58 34.04 +14 29 19.8 r H21
2015-09-25 02:38:14 C 21 59 40.11 +13 53 03.4 t H01
2015-09-25 02:43:29 C 21 59 40.32 +13 52 54.9 t H01
2015-09-25 03:00:58 C 21 59 41.05 +13 52 26.1 t H01
2015-09-25 03:11:53 C 21 59 41.50 +13 52 08.7 t H01
2015-09-28 03:28:09 C 22 03 07.16 +12 04 23.3 o 291
2015-09-28 03:32:26 C 22 03 07.36 +12 04 17.7 o 291
2015-09-28 03:36:44 C 22 03 07.50 +12 04 12.0 o 291
2015-09-29 02:26:54 C 22 04 10.26 +11 34 24.3 o 695
2015-09-29 02:29:54 C 22 04 10.35 +11 34 20.7 o 695
2015-09-29 02:32:54 C 22 04 10.47 +11 34 17.0 o 695
2015-09-30 06:30:43 C 22 05 23.65 +11 00 12.2 o 291
2015-09-30 06:33:58 C 22 05 23.78 +11 00 09.3 o 291
2015-09-30 06:37:13 C 22 05 23.91 +11 00 05.6 o 291
2015-10-01 03:43:01 C 22 06 21.03 +10 35 59.0 o 291
2015-10-01 03:47:08 C 22 06 21.16 +10 35 54.3 o 291
2015-10-01 03:51:16 C 22 06 21.34 +10 35 49.7 o 291
2015-10-01 06:30:55 C 22 06 27.05 +10 32 51.6 t 705
2015-10-01 06:32:47 C 22 06 27.10 +10 32 49.8 t 705
2015-10-01 06:34:39 C 22 06 27.17 +10 32 47.7 t 705
2015-10-02 02:39:56 C 22 07 20.98 +10 11 07.5 u H21
2015-10-02 02:46:46 C 22 07 21.19 +10 11 01.0 u H21
2015-10-02 02:52:21 C 22 07 21.44 +10 10 54.9 u H21
2015-10-02 02:58:46 C 22 07 21.66 +10 10 47.9 u H21
2015-10-08 02:08:54 C 22 13 31.73 +08 04 08.7 u H21
2015-10-08 02:15:43 C 22 13 31.98 +08 04 03.4 u H21
2015-10-08 02:22:26 C 22 13 32.27 +08 03 58.7 u H21
2015-10-14 02:13:42 C 22 19 49.37 +06 33 35.7 u H21
2015-10-14 02:21:44 C 22 19 49.69 +06 33 31.2 u H21
2015-10-14 02:29:48 C 22 19 50.02 +06 33 26.9 u H21
2015-10-15 02:04:22 C 22 20 53.78 +06 21 24.4 o 291
2015-10-15 02:12:40 C 22 20 54.17 +06 21 20.6 o 291
2015-10-15 02:25:15 C 22 20 54.25 +06 21 12.0 u H21
2015-10-15 02:36:39 C 22 20 54.70 +06 21 06.0 u H21
2015-10-15 02:48:55 C 22 20 55.20 +06 21 00.1 u H21
2015-10-19 02:08:48 C 22 25 16.33 +05 38 45.4 u H21
2015-10-19 02:33:08 C 22 25 17.37 +05 38 36.0 u H21