IAA RAS IAA Minor Planet Database

2017 YS3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6891334864 ± 6.11e-05
Semi-major axis (a)2.8522046852 AU ± 3.94e-04
Inclination (i)9.14907851° ± 2.63e-04
Long. of Asc. Node (Ω)104.42229054° ± 3.04e-03
Arg. of Perihelion (ω)35.69638675° ± 3.92e-03
Mean Anomaly (M)219.21494334° ± 1.28e-01
Mean Motion (n)0.2046167785°/day ± 4.24e-05
Perihelion dist (q)0.88665493 AU ± 2.13e-04
Aphelion dist (Q)4.81775444 AU ± 6.88e-04
Orbital Period4.81693774 yr ± 9.99e-04
Physical Parameters
H (abs. magnitude)22.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.272″
Uncertainty3
Orbit TypeApollo
MOID0.011953 AU
Observations Used40
Oppositions1
Arc Total2017-2018
First Observation Used2017-12-23
Last Observation Used2018-03-30
Observations (50)
Date Type RA Dec Mag Band Observatory
2017-12-23 05:20:34 C 03 10 16.81 -02 58 21.3 – U G96
2017-12-23 05:28:10 C 03 10 15.69 -02 58 18.0 – U G96
2017-12-23 05:35:46 C 03 10 14.52 -02 58 14.2 – U G96
2017-12-23 05:43:22 C 03 10 13.38 -02 58 10.9 – U G96
2017-12-23 06:20:03 C 03 10 07.83 -02 57 55.6 – U G96
2017-12-23 06:26:37 C 03 10 06.87 -02 57 51.2 – U G96
2017-12-23 06:33:18 C 03 10 05.87 -02 57 47.7 – U G96
2017-12-23 06:39:51 C 03 10 04.86 -02 57 44.6 – U G96
2017-12-24 07:56:26 C 03 06 27.52 -02 45 13.7 – U G96
2017-12-24 07:59:35 C 03 06 27.04 -02 45 13.0 – U G96
2017-12-25 02:31:01 C 03 03 42.90 -02 33 58.9 – U 807
2017-12-25 02:35:39 C 03 03 42.14 -02 33 56.3 – U 807
2017-12-25 02:40:18 C 03 03 41.37 -02 33 53.5 – U 807
2017-12-25 03:24:14 C 03 03 35.75 -02 34 18.3 – o 711
2017-12-25 03:24:14 C 03 03 35.76 -02 34 20.1 – o 711
2017-12-25 03:29:41 C 03 03 34.83 -02 34 19.6 – o 711
2017-12-25 03:29:41 C 03 03 34.86 -02 34 18.0 – o 711
2017-12-25 03:34:49 C 03 03 34.08 -02 34 19.8 – o 711
2017-12-25 03:34:49 C 03 03 34.11 -02 34 13.2 – o 711
2017-12-25 04:05:00 C 03 03 29.43 -02 33 56.1 – o 926
2017-12-25 04:12:51 C 03 03 28.14 -02 33 51.5 – o 926
2017-12-25 04:20:42 C 03 03 26.83 -02 33 46.9 – o 926
2017-12-25 05:05:41 C 03 03 19.43 -02 33 21.1 – U I52
2017-12-25 05:10:28 C 03 03 18.66 -02 33 18.0 – U I52
2017-12-25 05:15:15 C 03 03 17.87 -02 33 15.4 – U I52
2017-12-25 05:20:01 C 03 03 17.06 -02 33 12.6 – U I52
2018-01-01 03:05:39 C 02 32 17.39 -00 02 34.5 – U 807
2018-01-01 03:14:56 C 02 32 15.10 -00 02 22.5 – U 807
2018-01-01 03:24:13 C 02 32 12.83 -00 02 10.7 – U 807
2018-01-01 05:28:27 C 02 31 44.47 -00 00 41.2 – o 695
2018-01-01 05:29:58 C 02 31 44.09 -00 00 39.3 – o 695
2018-01-01 05:31:28 C 02 31 43.71 -00 00 37.3 – o 695
2018-01-01 05:33:21 C 02 31 43.24 -00 00 34.8 – o 695
2018-01-01 05:34:52 C 02 31 42.85 -00 00 32.8 – o 695
2018-01-01 05:36:22 C 02 31 42.49 -00 00 30.9 – o 695
2018-01-01 05:38:11 C 02 31 42.04 -00 00 28.5 – o 695
2018-01-01 05:39:41 C 02 31 41.67 -00 00 26.7 – o 695
2018-01-01 05:41:12 C 02 31 41.27 -00 00 24.7 – o 695
2018-01-04 08:10:54 S 02 12 00.166 +01 53 09.42 – L C51
2018-01-04 12:53:50 S 02 10 34.447 +02 01 32.95 – L C51
2018-01-13 02:59:49 C 00 30 57.55 +11 32 39.1 – o 926
2018-01-13 03:08:52 C 00 30 50.68 +11 33 12.9 – o 926
2018-01-13 03:16:06 C 00 30 45.28 +11 33 37.3 – U I52
2018-01-13 03:17:29 C 00 30 44.23 +11 33 42.6 – U I52
2018-01-13 03:18:52 C 00 30 43.17 +11 33 48.2 – U I52
2018-01-13 03:20:16 C 00 30 42.09 +11 33 53.2 – U I52
2018-01-14 01:46:41 C 00 13 27.54 +13 00 33.4 – o 291
2018-01-14 01:50:25 C 00 13 24.39 +13 00 46.3 – o 291
2018-01-14 01:54:09 C 00 13 21.25 +13 01 02.7 – o 291
2018-03-30 12:56:25 C 17 11 05.702 +05 27 43.25 – U T12