2021 YS

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5083522400 ± 3.73e-08
Semi-major axis (a)2.1572219253 AU ± 4.45e-08
Inclination (i)7.07597190° ± 4.19e-06
Long. of Asc. Node (Ω)152.10878676° ± 3.65e-05
Arg. of Perihelion (ω)20.10441713° ± 3.65e-05
Mean Anomaly (M)54.35137331° ± 1.36e-05
Mean Motion (n)0.3110785297°/day ± 9.63e-09
Perihelion dist (q)1.06059333 AU ± 8.34e-08
Aphelion dist (Q)3.25385052 AU ± 1.05e-07
Orbital Period3.16841630 yr ± 9.81e-08
Physical Parameters
H (abs. magnitude)19.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.327″
Uncertainty0
Orbit TypeAmor
MOID0.076732 AU
Observations Used190
Oppositions5
Arc Total2016-2024
First Observation Used2016-07-06
Last Observation Used2024-11-10
Observations (196)
Date Type RA Dec Mag Band Observatory
2022-01-10 02:55:24 C 05 09 03.35 +05 55 55.1 V I52
2022-01-11 18:47:06 C 05 06 44.12 +06 05 23.4 X C95
2022-01-11 19:06:23 C 05 06 42.92 +06 05 29.0 X C95
2022-01-11 19:24:46 C 05 06 41.83 +06 05 33.5 X C95
2022-01-14 03:15:11 C 05 03 37.39 +06 21 14.2 V I52
2022-01-14 03:24:54 C 05 03 36.85 +06 21 15.7 V I52
2022-01-14 03:33:49 C 05 03 36.34 +06 21 18.0 V I52
2022-01-20 08:25:58 C 04 56 35.44 +07 15 09.8 V I52
2022-01-20 08:32:16 C 04 56 35.21 +07 15 12.2 V I52
2022-01-20 08:39:50 C 04 56 34.88 +07 15 15.4 V I52
2022-01-20 08:48:26 C 04 56 34.52 +07 15 19.0 V I52
2022-01-21 06:50:54 C 04 55 42.91 +07 24 46.8 V I52
2022-01-21 06:57:45 C 04 55 42.69 +07 24 49.9 V I52
2022-01-21 07:04:28 C 04 55 42.39 +07 24 53.4 V I52
2022-01-21 07:11:05 C 04 55 42.06 +07 24 55.7 V I52
2022-01-25 04:35:15 C 04 52 35.73 +08 09 03.9 V G96
2022-01-25 04:42:39 C 04 52 35.49 +08 09 08.1 V G96
2022-01-25 04:50:04 C 04 52 35.24 +08 09 11.5 V G96
2022-01-25 04:57:29 C 04 52 34.98 +08 09 15.4 V G96
2022-01-25 05:07:39 C 04 52 34.65 +08 09 20.3 V I52
2022-01-25 05:17:40 C 04 52 34.34 +08 09 25.2 V I52
2022-01-25 05:28:48 C 04 52 33.96 +08 09 30.9 V I52
2022-01-30 03:18:00 C 04 50 01.22 +09 14 11.8 V I52
2022-01-30 03:27:29 C 04 50 01.04 +09 14 17.1 V I52
2022-01-30 03:47:52 C 04 50 00.65 +09 14 29.1 V I52
2022-02-04 03:02:03 C 04 49 07.40 +10 29 25.7 V I52
2022-02-04 03:11:35 C 04 49 07.36 +10 29 31.5 V I52
2022-02-04 03:34:42 C 04 49 07.24 +10 29 47.0 V I52
2022-02-04 03:42:06 C 04 49 07.11 +10 29 52.4 V I52
2022-02-06 03:42:07 C 04 49 16.00 +11 02 33.5 V G96
2022-02-06 03:58:23 C 04 49 16.01 +11 02 44.6 V G96
2022-02-06 04:06:31 C 04 49 16.02 +11 02 50.7 V G96
2022-02-11 02:41:06 C 04 50 54.28 +12 29 14.9 V I52
2022-02-11 02:51:58 C 04 50 54.43 +12 29 24.0 V I52
2022-02-11 02:58:44 C 04 50 54.58 +12 29 28.3 V I52
2022-02-14 03:03:50 C 04 52 47.18 +13 25 42.6 V I52
2022-02-14 03:09:44 C 04 52 47.35 +13 25 47.2 V I52
2022-02-14 03:23:55 C 04 52 47.69 +13 25 58.1 V I52
2022-02-14 03:37:19 C 04 52 48.03 +13 26 08.9 V I52
2022-02-18 06:49:37 C 04 56 29.280 +14 47 52.04 U F52
2022-02-18 07:08:01 C 04 56 29.968 +14 48 07.53 U F52
2022-02-18 07:26:22 C 04 56 30.668 +14 48 22.89 U F52
2022-02-25 03:04:20 C 05 05 26.44 +17 12 58.6 V I52
2022-02-25 03:09:01 C 05 05 26.76 +17 13 02.8 V I52
2022-02-27 02:10:27 C 05 08 41.12 +17 56 45.9 V G96
2022-02-27 02:18:43 C 05 08 41.67 +17 56 53.2 V G96
2022-02-27 02:27:00 C 05 08 42.23 +17 57 01.0 V G96
2022-02-27 02:35:18 C 05 08 42.75 +17 57 08.2 V G96
2022-03-15 03:12:39 C 05 47 29.92 +24 22 31.9 V I52
2022-03-15 03:19:55 C 05 47 30.86 +24 22 40.0 V I52