2021 UD11

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5529408000
Semi-major axis (a)1.8194822000 AU
Inclination (i)7.78093000°
Long. of Asc. Node (Ω)90.99978000°
Arg. of Perihelion (ω)212.92255000°
Mean Anomaly (M)267.38703000°
Mean Motion (n)0.4015895000°/day
Perihelion dist (q)0.81341630 AU
Aphelion dist (Q)2.82554810 AU
Orbital Period2.45426650 yr
Physical Parameters
H (abs. magnitude)22.56
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.910″
Uncertainty8
Orbit TypeApollo
MOID0.066235 AU
Observations Used21
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-11
Observations (63)
Date Type RA Dec Mag Band Observatory
2021-10-31 07:39:51 C 03 01 40.36 -07 58 42.9 V G96
2021-10-31 07:47:19 C 03 01 39.48 -07 58 35.5 V G96
2021-10-31 07:54:48 C 03 01 38.54 -07 58 26.9 V G96
2021-10-31 08:02:17 C 03 01 37.67 -07 58 19.1 V G96
2021-10-31 09:14:08 C 03 01 29.32 -07 57 01.3 V I52
2021-10-31 09:18:33 C 03 01 28.80 -07 56 56.4 V I52
2021-10-31 09:22:59 C 03 01 28.28 -07 56 52.2 V I52
2021-10-31 10:57:37 C 03 01 18.363 -07 55 05.79 U F51
2021-10-31 11:14:54 C 03 01 16.355 -07 54 47.35 U F51
2021-10-31 11:32:13 C 03 01 14.340 -07 54 28.62 U F51
2021-10-31 11:49:34 C 03 01 12.300 -07 54 09.89 U F51
2021-11-01 08:38:22 C 02 58 57.55 -07 32 02.2 V G96
2021-11-01 08:43:20 C 02 58 56.91 -07 31 56.2 V G96
2021-11-01 08:49:04 C 02 58 56.29 -07 31 50.4 V G96
2021-11-01 09:19:46 C 02 58 52.84 -07 31 17.9 V I52
2021-11-01 09:30:36 C 02 58 51.65 -07 31 06.5 V I52
2021-11-01 09:37:13 C 02 58 50.90 -07 30 59.3 V I52
2021-11-04 04:29:59 C 02 52 09.74 -06 21 51.7 X 858
2021-11-04 04:51:57 C 02 52 07.59 -06 21 29.3 X 858
2021-11-11 08:36:59 C 02 38 13.654 -03 38 09.27 U F51
2021-11-11 09:13:42 C 02 38 10.990 -03 37 36.52 U F51
2021-11-11 09:31:57 C 02 38 09.667 -03 37 20.05 U F51
2026-05-11 06:30:47 C 13 11 51.511 +26 19 52.90 V G96
2026-05-11 06:45:39 C 13 11 48.800 +26 20 14.17 V G96
2026-05-11 06:53:06 C 13 11 47.472 +26 20 24.65 V G96
2026-05-11 09:00:15 C 13 11 24.792 +26 23 24.79 V I52
2026-05-11 09:02:12 C 13 11 24.515 +26 23 27.92 V I52
2026-05-11 09:04:09 C 13 11 24.104 +26 23 30.34 V I52
2026-05-11 09:06:05 C 13 11 23.806 +26 23 32.71 V I52
2026-05-11 20:47:34 B 13 09 25.723 +26 40 35.72 X R63
2026-05-11 20:48:36 C 13 09 25.536 +26 40 36.09 X R59
2026-05-11 20:51:29 C 13 09 24.934 +26 40 40.04 X R48
2026-05-11 20:55:55 C 13 09 24.096 +26 40 46.27 X R48
2026-05-11 21:00:26 C 13 09 23.302 +26 40 52.86 X R48
2026-05-11 21:12:43 C 13 09 21.113 +26 41 12.14 X R59
2026-05-11 21:36:17 C 13 09 16.761 +26 41 46.91 X R59
2026-05-11 21:46:54 B 13 09 14.724 +26 42 03.24 X R63
2026-05-11 22:04:20 B 13 09 11.552 +26 42 28.20 W Z84
2026-05-11 22:13:49 B 13 09 09.816 +26 42 42.36 W Z84
2026-05-11 22:47:30 B 13 09 03.514 +26 43 30.50 X R63
2026-05-11 23:32:34 B 13 08 55.016 +26 44 29.21 W 204
2026-05-12 00:08:06 B 13 08 48.531 +26 45 19.84 W 204
2026-05-12 01:25:01 C 13 08 37.230 +26 48 00.50 V 807
2026-05-12 01:40:03 C 13 08 34.350 +26 48 22.90 V 807
2026-05-12 01:55:06 C 13 08 31.600 +26 48 45.70 V 807
2026-05-12 02:18:23 C 13 08 27.90 +26 48 36.7 V H21
2026-05-12 02:22:24 C 13 08 27.13 +26 48 42.5 V H21
2026-05-12 02:26:26 C 13 08 26.40 +26 48 48.5 V H21
2026-05-12 02:29:55 C 13 08 25.74 +26 48 53.8 V H21
2026-05-12 03:26:52 C 13 08 15.957 +26 50 20.04 W H01