826726 (2021 UY9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5411747000 ± 8.35e-08
Semi-major axis (a)2.0401306000 AU ± 3.11e-08
Inclination (i)36.50948000° ± 9.23e-06
Long. of Asc. Node (Ω)79.88228000° ± 1.14e-05
Arg. of Perihelion (ω)87.41506000° ± 1.81e-05
Mean Anomaly (M)71.00797000° ± 4.08e-06
Mean Motion (n)0.3382339000°/day ± 7.73e-09
Perihelion dist (q)0.93606350 AU ± 1.71e-07
Aphelion dist (Q)3.14419770 AU ± 1.77e-07
Orbital Period2.91398260 yr ± 6.66e-08
Physical Parameters
H (abs. magnitude)17.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.740″
Uncertainty0
Orbit TypeApollo
MOID0.304385 AU
Observations Used255
Oppositions7
Arc Total2013-2025
First Observation Used
Last Observation Used2025-06-28
Observations (257)
Date Type RA Dec Mag Band Observatory
2024-12-26 04:21:51 C 02 35 36.848 -02 57 11.34 V G96
2024-12-26 04:29:16 C 02 35 36.352 -02 57 02.77 V G96
2024-12-30 12:52:29 C 02 29 22.029 -00 51 20.95 O18
2024-12-30 15:26:13 C 02 29 13.288 -00 48 12.11 O18
2024-12-31 12:54:19 C 02 28 04.501 -00 21 49.15 O18
2024-12-31 15:51:12 C 02 27 54.854 -00 18 10.96 O18
2025-01-01 12:56:44 C 02 26 50.211 +00 07 54.35 O18
2025-01-01 15:30:28 C 02 26 42.202 +00 11 04.85 O18
2025-01-04 12:59:43 C 02 23 27.391 +01 37 57.28 O18
2025-01-04 14:06:18 C 02 23 24.368 +01 39 20.75 O18
2025-01-04 15:32:01 C 02 23 20.495 +01 41 08.43 O18
2025-01-09 14:12:56 C 02 18 52.304 +04 11 49.34 O18
2025-01-09 14:54:26 C 02 18 50.896 +04 12 42.19 O18
2025-01-10 14:26:44 C 02 18 07.096 +04 42 49.67 O18
2025-01-10 15:11:18 C 02 18 05.689 +04 43 46.67 O18
2025-01-11 14:19:40 C 02 17 25.695 +05 13 27.09 O18
2025-01-11 15:04:13 C 02 17 24.381 +05 14 24.09 O18
2025-01-12 12:48:22 C 02 16 49.698 +05 42 19.11 O18
2025-01-12 13:38:38 C 02 16 48.298 +05 43 23.72 O18
2025-01-13 12:56:26 C 02 16 13.819 +06 13 21.40 O18
2025-01-13 13:48:47 C 02 16 12.477 +06 14 28.71 O18
2025-01-13 13:50:09 C 02 16 12.439 +06 14 30.53 O18
2025-01-14 12:59:59 C 02 15 41.124 +06 44 19.99 O18
2025-01-14 14:01:36 C 02 15 39.677 +06 45 39.05 O18
2025-01-16 13:01:15 C 02 14 44.826 +07 46 15.48 O18
2025-01-16 15:13:53 C 02 14 42.279 +07 49 06.48 O18
2025-01-17 14:45:37 C 02 14 19.306 +08 19 28.57 O18
2025-01-17 15:24:07 C 02 14 18.671 +08 20 18.71 O18
2025-01-18 14:54:17 C 02 13 58.585 +08 50 40.53 O18
2025-01-18 15:23:56 C 02 13 58.149 +08 51 18.61 O18
2025-01-25 02:45:02 C 02 12 53.262 +12 12 15.48 V G96
2025-01-25 02:53:14 C 02 12 53.287 +12 12 26.32 V G96
2025-01-25 03:01:25 C 02 12 53.248 +12 12 36.94 V G96
2025-01-25 03:09:37 C 02 12 53.251 +12 12 47.52 V G96
2025-01-26 01:57:33 C 02 12 53.438 +12 42 18.07 V G96
2025-01-26 02:10:00 C 02 12 53.431 +12 42 34.38 V G96
2025-01-26 02:18:09 C 02 12 53.406 +12 42 44.71 V G96
2025-01-26 02:26:17 C 02 12 53.435 +12 42 55.37 V G96
2025-02-01 18:35:51 B 02 13 59.29 +16 10 14.2 X M45
2025-02-01 18:44:27 B 02 13 59.42 +16 10 25.2 X M45
2025-02-01 18:53:02 B 02 13 59.49 +16 10 36.3 X M45
2025-05-15 21:45:20 C 08 11 43.02 +63 22 47.6 V D48
2025-05-15 21:54:34 C 08 11 46.93 +63 22 42.6 V D48
2025-05-15 22:03:49 C 08 11 50.94 +63 22 37.1 V D48
2025-05-19 04:43:31 C 08 45 24.318 +62 23 45.53 V 703
2025-05-19 04:46:57 C 08 45 25.614 +62 23 42.47 V 703
2025-05-19 04:50:24 C 08 45 26.960 +62 23 38.11 V 703
2025-05-19 04:53:50 C 08 45 28.598 +62 23 35.16 V 703
2025-05-19 21:05:56 C 08 52 17.870 +62 07 18.48 V R17
2025-05-19 21:26:27 C 08 52 26.410 +62 06 55.84 V R17