138925 (2001 AU43)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3764821404 ± 8.10e-09
Semi-major axis (a)1.8965065847 AU ± 1.93e-09
Inclination (i)72.15501199° ± 1.83e-06
Long. of Asc. Node (Ω)129.30183484° ± 1.31e-06
Arg. of Perihelion (ω)149.27789524° ± 1.54e-06
Mean Anomaly (M)77.06206757° ± 2.18e-06
Mean Motion (n)0.3773816194°/day ± 5.75e-10
Perihelion dist (q)1.18250573 AU ± 1.54e-08
Aphelion dist (Q)2.61050744 AU ± 1.56e-08
Orbital Period2.61174957 yr ± 3.98e-09
Physical Parameters
H (abs. magnitude)15.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.081″
Uncertainty0
Orbit TypeAmor
MOID0.210223 AU
Observations Used1067
Gaia Obs Used77
Oppositions15
Arc Total1992-2017
First Observation Used1992-12-20
Last Observation Used2025-09-03
Observations (1340)
Date Type RA Dec Mag Band Observatory
2009-08-27 03:52:18 C 15 48 31.38 +25 19 06.1 18.5 c 704
2009-08-27 04:10:45 C 15 48 33.37 +25 17 53.9 18.3 c 704
2009-08-31 20:10:13 C 16 00 28.67 +17 57 27.1 w 160
2009-08-31 20:12:08 C 16 00 28.87 +17 57 19.4 w 160
2009-08-31 20:13:51 C 16 00 29.02 +17 57 12.5 w 160
2009-08-31 20:15:57 C 16 00 29.25 +17 57 04.0 w 160
2012-07-28 10:13:07 C 04 29 41.13 -49 06 31.0 u 807
2012-07-28 10:17:13 C 04 29 41.90 -49 06 35.8 u 807
2012-07-28 10:21:20 C 04 29 42.67 -49 06 40.5 u 807
2012-07-28 10:25:26 C 04 29 43.43 -49 06 45.1 u 807
2012-07-28 10:29:32 C 04 29 44.19 -49 06 49.8 u 807
2012-11-06 08:20:56 C 07 43 21.97 -72 31 32.5 u 807
2012-11-06 08:27:30 C 07 43 21.39 -72 31 34.6 u 807
2012-11-06 08:34:04 C 07 43 20.85 -72 31 37.3 u 807
2012-11-06 08:40:37 C 07 43 20.26 -72 31 39.4 u 807
2012-11-06 08:47:08 C 07 43 19.66 -72 31 42.0 u 807
2012-11-08 08:19:38 C 07 39 08.66 -72 49 01.1 u 807
2012-11-08 08:24:46 C 07 39 08.16 -72 49 03.0 u 807
2012-11-08 08:30:46 C 07 39 07.52 -72 49 05.3 u 807
2012-11-08 08:37:03 C 07 39 06.90 -72 49 07.6 u 807
2012-11-08 08:42:07 C 07 39 06.47 -72 49 08.9 u 807
2013-12-10 08:06:42 C 10 00 14.07 +05 42 08.0 u 807
2013-12-10 08:13:13 C 10 00 14.08 +05 42 11.5 u 807
2013-12-10 08:20:15 C 10 00 14.07 +05 42 15.2 u 807
2013-12-25 12:02:08 C 09 56 35.52 +09 43 53.5 q G96
2013-12-25 12:14:23 C 09 56 35.23 +09 44 03.6 q G96
2013-12-25 12:26:38 C 09 56 34.94 +09 44 12.7 q G96
2013-12-25 12:38:51 C 09 56 34.68 +09 44 23.6 q G96
2013-12-31 17:49:24 C 09 52 36.08 +11 57 08.7 q D29
2013-12-31 18:36:38 C 09 52 34.43 +11 57 53.7 q D29
2014-01-21 06:37:12 C 09 26 59.71 +21 37 35.9 q 703
2014-01-21 06:47:22 C 09 26 59.01 +21 37 49.9 q 703
2014-01-21 06:57:33 C 09 26 58.21 +21 38 04.2 q 703
2014-01-21 07:07:42 C 09 26 57.51 +21 38 18.2 q 703
2014-01-22 17:58:49 C 09 24 23.51 +22 25 43.2 q D29
2014-01-22 18:24:34 C 09 24 21.53 +22 26 18.7 q D29
2014-01-22 18:50:21 C 09 24 19.59 +22 26 53.3 q D29
2014-01-28 07:18:56 C 09 13 45.25 +25 30 17.1 q 703
2014-01-28 07:30:33 C 09 13 44.32 +25 30 33.4 q 703
2014-01-28 07:42:10 C 09 13 43.27 +25 30 49.3 q 703
2014-01-28 07:53:48 C 09 13 42.20 +25 31 05.6 q 703
2014-02-02 08:41:03 C 09 03 03.46 +28 18 28.4 q 703
2014-02-02 08:48:21 C 09 03 02.79 +28 18 38.2 q 703
2014-02-02 08:55:39 C 09 03 02.12 +28 18 48.3 q 703
2014-02-02 09:02:57 C 09 03 01.43 +28 18 58.3 q 703
2014-02-21 05:24:29 C 08 19 37.94 +37 28 39.9 q G96
2014-02-21 05:31:04 C 08 19 37.32 +37 28 46.5 q G96
2014-02-21 05:37:39 C 08 19 36.69 +37 28 53.0 q G96
2014-02-21 05:44:16 C 08 19 36.06 +37 28 59.8 q G96
2014-03-03 03:42:47 C 07 58 51.97 +40 56 28.2 R G45