2011 AU4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1104325220 ± 2.00e+00
Semi-major axis (a)1.0689008312 AU ± 3.00e+00
Inclination (i)4.51229006° ± 4.00e+00
Long. of Asc. Node (Ω)104.92994640° ± 5.00e+00
Arg. of Perihelion (ω)285.58538136° ± 6.00e+00
Mean Anomaly (M)227.29498294° ± 8.45e-01
Mean Motion (n)0.8918554700°/day ± 3.75e+00
Perihelion dist (q)0.95084340 AU ± 3.42e+00
Aphelion dist (Q)1.18696960 AU ± 3.96e+00
Orbital Period1.10512040 yr ± 4.65e+00
Physical Parameters
H (abs. magnitude)25.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.385″
Uncertainty3
Orbit TypeApollo
MOID0.025359 AU
Observations Used31
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-01-13
Observations (33)
Date Type RA Dec Mag Band Observatory
2011-01-05 09:18:26 C 08 44 53.67 +19 03 35.7 V G96
2011-01-05 09:26:01 C 08 44 52.48 +19 04 10.5 V G96
2011-01-05 09:33:29 C 08 44 51.34 +19 04 44.3 V G96
2011-01-08 08:02:26 C 08 37 30.32 +24 03 08.1 r G96
2011-01-08 08:12:31 C 08 37 28.84 +24 03 47.9 r G96
2011-01-08 08:22:37 C 08 37 27.33 +24 04 27.5 r G96
2011-01-08 08:32:40 C 08 37 25.82 +24 05 07.2 r G96
2011-01-08 09:30:30 C 08 37 17.11 +24 08 50.8 r G96
2011-01-08 09:41:25 C 08 37 15.49 +24 09 32.9 r G96
2011-01-08 09:52:22 C 08 37 13.87 +24 10 14.5 r G96
2011-01-08 10:03:15 C 08 37 12.25 +24 10 55.9 r G96
2011-01-08 10:07:30 C 08 37 09.62 +24 10 45.6 u H36
2011-01-08 10:15:06 C 08 37 08.52 +24 11 16.0 u H36
2011-01-08 10:32:14 C 08 37 05.94 +24 12 22.7 u H36
2011-01-08 11:14:18 C 08 37 01.53 +24 15 16.2 o H01
2011-01-08 11:25:41 C 08 36 59.96 +24 15 58.3 o H01
2011-01-08 11:37:00 C 08 36 58.41 +24 16 39.8 o H01
2011-01-08 11:45:01 C 08 36 57.33 +24 17 09.4 o H01
2011-01-08 15:11:01 C 08 36 47.05 +24 30 33.4 o 300
2011-01-08 15:19:30 C 08 36 45.75 +24 31 07.2 o 300
2011-01-08 15:27:59 C 08 36 44.50 +24 31 39.6 o 300
2011-01-08 15:36:27 C 08 36 43.24 +24 32 12.2 o 300
2011-01-08 22:26:08 C 08 36 03.74 +24 57 08.5 u J95
2011-01-08 22:38:21 C 08 36 02.16 +24 57 56.1 u J95
2011-01-08 22:49:32 C 08 36 00.73 +24 58 39.0 u J95
2011-01-10 23:10:56 C 08 31 00.05 +27 49 40.5 o 033
2011-01-10 23:18:33 C 08 30 59.13 +27 50 05.9 o 033
2011-01-10 23:26:11 C 08 30 58.12 +27 50 32.2 o 033
2011-01-13 05:28:09 C 08 25 40.09 +30 37 30.3 o 291
2011-01-13 05:34:12 C 08 25 39.31 +30 37 48.6 o 291
2011-01-13 06:51:46 C 08 25 26.33 +30 41 27.5 u H36
2011-01-13 06:57:39 C 08 25 25.52 +30 41 44.2 u H36
2011-01-13 07:03:23 C 08 25 24.75 +30 42 00.0 u H36