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
2013-01-27 05:18:56 C 01 30 40.250 -15 50 17.01 V F51
2015-09-06 14:29:13 C 03 25 32.325 -25 55 39.23 V F51
2015-09-06 14:38:49 C 03 25 32.321 -25 55 43.55 V F51
2015-09-06 14:48:24 C 03 25 32.289 -25 55 47.55 V F51
2015-09-06 14:58:00 C 03 25 32.262 -25 55 51.69 V F51
2015-10-02 12:48:00 C 03 14 20.154 -30 31 09.56 V F51
2015-10-02 13:02:46 C 03 14 19.618 -30 31 15.07 V F51
2015-10-02 13:17:28 C 03 14 19.068 -30 31 21.25 V F51
2015-10-02 13:32:08 C 03 14 18.475 -30 31 27.34 V F51
2015-10-03 12:44:27 C 03 13 26.556 -30 40 55.35 V F51
2015-10-03 12:59:08 C 03 13 25.954 -30 41 01.48 V F51
2015-10-03 13:13:48 C 03 13 25.376 -30 41 07.00 V F51
2015-11-20 06:24:54 C 02 05 15.61 -31 52 42.3 V W84
2015-12-08 06:22:56 C 01 44 17.747 -28 03 40.93 V F51
2015-12-08 06:37:26 C 01 44 17.189 -28 03 31.37 V F51
2015-12-08 06:51:57 C 01 44 16.670 -28 03 22.00 V F51
2015-12-08 07:06:24 C 01 44 16.115 -28 03 12.25 V F51
2016-01-26 05:13:52 C 01 41 47.484 -12 17 03.65 V F51
2017-11-16 02:41:42 C 22 15 43.42 -50 24 20.8 V W84
2017-11-16 02:43:42 C 22 15 43.43 -50 24 19.9 V W84
2018-10-22 08:55:50 C 03 20 18.72 -28 08 50.0 V W84
2018-11-09 06:59:41 C 02 51 33.60 -28 43 22.8 V W84
2018-11-17 06:35:33 C 02 37 43.71 -28 07 07.3 V W84
2018-11-17 06:37:32 C 02 37 43.57 -28 07 06.8 V W84
2018-11-17 06:39:30 C 02 37 43.42 -28 07 06.2 V W84
2018-11-26 03:45:41 C 02 23 11.60 -26 47 17.4 V W84
2018-11-29 05:34:04 C 02 18 33.87 -26 10 33.7 V W84
2018-11-30 05:21:49 C 02 17 07.80 -25 57 48.1 V W84
2021-09-07 13:55:57 C 04 09 37.623 -16 12 15.57 V F51
2021-09-07 14:10:40 C 04 09 37.846 -16 12 19.77 V F51
2021-09-07 14:33:23 C 04 09 38.184 -16 12 26.69 V F51
2021-09-21 13:14:49 C 04 12 19.024 -18 01 30.49 V F51
2021-09-29 12:30:53 C 04 11 09.819 -19 10 15.24 V F52
2021-09-29 12:46:25 C 04 11 09.619 -19 10 20.89 V F52
2021-09-29 13:02:01 C 04 11 09.419 -19 10 26.59 V F52
2021-09-29 13:17:37 C 04 11 09.208 -19 10 32.34 V F52
2021-10-19 12:38:00 C 03 57 32.915 -21 55 40.73 V F51
2021-10-19 12:42:07 C 03 57 32.710 -21 55 41.99 V F51
2021-10-23 11:01:44 C 03 52 55.203 -22 21 18.36 V F51
2021-10-23 11:18:01 C 03 52 54.296 -22 21 22.31 V F51
2021-10-23 11:34:20 C 03 52 53.463 -22 21 26.48 V F51
2021-10-23 11:50:40 C 03 52 52.547 -22 21 30.60 V F51
2021-10-30 08:22:51 C 03 43 17.79 -22 55 15.2 V G96
2021-10-30 08:29:50 C 03 43 17.34 -22 55 16.6 V G96
2021-10-30 08:36:49 C 03 43 16.89 -22 55 17.4 V G96
2021-10-30 08:43:48 C 03 43 16.40 -22 55 18.0 V G96
2021-10-30 10:12:39 C 03 43 10.66 -22 55 31.8 V I52
2021-10-30 10:17:41 C 03 43 10.29 -22 55 32.8 V I52
2021-10-30 10:22:05 C 03 43 10.01 -22 55 33.3 V I52
2021-10-30 10:35:18 C 03 43 09.457 -22 55 34.79 U F52