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
2021-11-24 01:28:27 C 02 58 17.40 -21 53 16.9 u 807
2021-11-24 01:36:18 C 02 58 16.79 -21 53 13.5 u 807
2021-11-25 09:11:17 C 02 55 45.735 -21 40 11.05 U F51
2021-11-25 09:30:52 C 02 55 44.151 -21 40 02.63 U F51
2021-11-25 09:48:37 C 02 55 42.703 -21 39 54.94 U F51
2021-11-25 10:06:21 C 02 55 41.255 -21 39 47.19 U F51
2021-11-26 08:29:05 C 02 53 55.367 -21 29 49.97 U F52
2021-11-26 08:43:45 C 02 53 54.190 -21 29 43.30 U F52
2021-11-26 08:58:25 C 02 53 53.003 -21 29 36.51 U F52
2021-11-26 09:13:06 C 02 53 51.822 -21 29 29.90 U F52
2022-02-22 05:40:06 C 02 28 07.695 +12 23 52.85 U F52
2022-02-22 05:57:29 C 02 28 08.558 +12 24 11.88 U F52
2022-02-22 06:32:22 C 02 28 10.282 +12 24 49.90 U F52
2022-03-10 03:08:26 C 02 50 43.90 +19 25 57.3 V I52
2022-03-10 03:12:03 C 02 50 44.13 +19 26 00.4 V I52
2022-03-10 03:15:41 C 02 50 44.38 +19 26 04.0 V I52
2024-10-08 09:40:45 C 04 44 06.310 -13 07 45.98 V G96
2024-10-08 09:48:08 C 04 44 06.205 -13 07 48.00 V G96
2024-10-08 09:55:32 C 04 44 06.176 -13 07 49.69 V G96
2024-10-08 10:02:56 C 04 44 06.083 -13 07 51.96 V G96
2024-10-09 14:06:15 C 04 43 49.189 -13 14 57.45 X F52
2024-10-09 14:23:25 C 04 43 48.980 -13 15 02.06 X F52
2024-10-09 14:40:39 C 04 43 48.766 -13 15 06.15 X F52
2024-10-09 14:57:52 C 04 43 48.558 -13 15 10.68 X F52
2024-10-20 12:29:24 C 04 38 23.940 -14 17 28.60 X F51
2024-10-20 12:46:46 C 04 38 23.357 -14 17 32.41 X F51
2024-10-20 13:04:11 C 04 38 22.774 -14 17 36.46 X F51
2024-10-20 13:21:36 C 04 38 22.215 -14 17 40.23 X F51
2024-11-08 09:41:44 C 04 15 21.510 -15 11 45.78 V G96
2024-11-08 09:49:13 C 04 15 20.959 -15 11 45.42 V G96
2024-11-08 09:56:41 C 04 15 20.394 -15 11 45.35 V G96
2024-11-08 10:04:09 C 04 15 19.868 -15 11 45.06 V G96
2024-11-27 08:57:29 C 03 36 01.682 -13 17 33.89 X F51
2024-11-27 09:08:54 C 03 36 00.546 -13 17 27.99 X F51
2024-11-27 09:20:39 C 03 35 59.375 -13 17 21.98 X F51
2024-12-02 06:11:15 C 03 24 34.312 -12 08 30.80 V G96
2024-12-02 06:19:22 C 03 24 33.505 -12 08 25.51 V G96
2024-12-02 06:27:29 C 03 24 32.695 -12 08 20.15 V G96
2024-12-02 06:35:36 C 03 24 31.882 -12 08 14.60 V G96
2024-12-04 08:27:38 C 03 19 40.181 -11 33 37.07 X F51
2024-12-04 08:44:36 C 03 19 38.490 -11 33 24.81 X F51
2024-12-04 09:01:33 C 03 19 36.797 -11 33 12.51 X F51
2024-12-08 08:16:49 C 03 10 28.371 -10 18 47.26 X F52
2024-12-08 08:31:39 C 03 10 26.930 -10 18 34.87 X F52
2024-12-08 09:01:18 C 03 10 24.057 -10 18 10.08 X F52
2024-12-14 07:42:10 C 02 57 24.579 -08 08 02.78 X F52
2024-12-14 07:59:03 C 02 57 23.052 -08 07 46.08 X F52
2024-12-14 08:15:56 C 02 57 21.535 -08 07 29.43 X F52
2024-12-26 04:07:00 C 02 35 37.831 -02 57 29.05 V G96
2024-12-26 04:14:25 C 02 35 37.349 -02 57 20.09 V G96