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
2015-12-17 11:39:22 C 10 03 02.97 +13 14 23.2 R G45
2015-12-17 11:45:26 C 10 03 02.75 +13 14 06.0 R G45
2015-12-17 11:51:09 C 10 03 02.46 +13 13 49.8 R G45
2015-12-17 12:03:29 C 10 03 01.96 +13 13 14.5 R G45
2015-12-17 12:11:00 C 10 03 01.58 +13 12 53.0 R G45
2015-12-17 12:34:24 C 10 03 00.55 +13 11 46.5 R G45
2015-12-17 13:48:06 C 10 02 58.827 +13 08 23.40 L F51
2015-12-17 14:02:04 C 10 02 58.203 +13 07 43.96 L F51
2015-12-17 14:16:12 C 10 02 57.557 +13 07 03.67 L F51
2015-12-18 11:10:09 C 10 02 09.83 +12 07 44.8 o 695
2015-12-18 11:12:21 C 10 02 09.73 +12 07 38.8 o 695
2015-12-18 11:18:22 C 10 02 09.45 +12 07 22.0 o 695
2015-12-18 11:35:31 C 10 02 08.62 +12 06 33.4 o 926
2015-12-18 11:44:18 C 10 02 08.26 +12 06 08.9 o 926
2015-12-18 11:53:07 C 10 02 07.84 +12 05 43.9 o 926
2015-12-19 10:52:16 C 10 01 12.03 +11 00 59.1 t H01
2015-12-19 11:04:11 C 10 01 11.44 +11 00 25.6 t H01
2015-12-19 11:16:40 C 10 01 10.83 +10 59 50.6 t H01
2015-12-19 11:22:36 C 10 01 10.54 +10 59 33.9 t H01
2015-12-20 12:13:13 C 10 00 05.48 +09 50 10.8 o 926
2015-12-20 12:23:22 C 10 00 04.94 +09 49 42.9 o 926
2015-12-20 12:34:28 C 10 00 04.37 +09 49 11.7 o 926
2015-12-22 08:20:44 C 09 58 00.74 +07 49 00.6 u 807
2015-12-22 08:24:06 C 09 58 00.55 +07 48 51.5 u 807
2015-12-22 08:27:36 C 09 58 00.36 +07 48 42.1 u 807
2015-12-22 08:30:48 C 09 58 00.17 +07 48 33.2 u 807
2015-12-22 08:34:29 C 09 57 59.96 +07 48 23.5 u 807
2015-12-23 08:14:29 C 09 56 47.58 +06 44 05.9 u 807
2015-12-23 08:17:00 C 09 56 47.48 +06 43 59.2 u 807
2015-12-23 08:19:43 C 09 56 47.30 +06 43 52.3 u 807
2015-12-23 08:22:15 C 09 56 47.12 +06 43 45.0 u 807
2015-12-23 08:24:46 C 09 56 46.96 +06 43 38.1 u 807
2015-12-23 12:53:43 C 09 56 33.438 +06 31 07.47 L F51
2015-12-23 13:11:18 C 09 56 32.359 +06 30 19.94 L F51
2015-12-23 13:45:58 C 09 56 30.250 +06 28 46.56 L F51
2015-12-24 05:46:16 C 09 55 39.56 +05 46 15.7 u 807
2015-12-24 05:49:40 C 09 55 39.36 +05 46 06.6 u 807
2015-12-24 05:53:13 C 09 55 39.12 +05 45 56.8 u 807
2015-12-24 05:56:24 C 09 55 38.93 +05 45 48.5 u 807
2015-12-24 05:59:57 C 09 55 38.72 +05 45 39.3 u 807
2015-12-31 08:21:40 C 09 44 51.04 -01 24 20.8 u 807
2015-12-31 08:25:50 C 09 44 50.67 -01 24 30.5 u 807
2015-12-31 08:30:00 C 09 44 50.34 -01 24 40.9 u 807
2015-12-31 08:34:09 C 09 44 50.05 -01 24 50.4 u 807
2015-12-31 08:38:18 C 09 44 49.73 -01 25 00.3 u 807
2016-01-01 09:14:20 C 09 43 02.94 -02 22 50.1 u H21
2016-01-01 09:20:39 C 09 43 02.47 -02 23 03.8 u H21
2016-01-01 12:53:18 C 09 42 46.03 -02 31 08.4 o 291
2016-01-01 12:57:02 C 09 42 45.74 -02 31 17.1 o 291
2016-01-01 13:00:45 C 09 42 45.46 -02 31 25.6 o 291