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
2017-07-30 21:54:31 C 20 36 10.41 +00 02 37.4 q 089
2017-07-30 21:55:41 C 20 36 11.07 +00 02 25.0 13.7 q 006
2017-07-30 21:56:52 C 20 36 09.69 +00 02 06.9 q 089
2017-07-30 22:16:58 C 20 36 04.19 -00 02 13.3 q 160
2017-07-30 22:20:11 C 20 36 03.21 -00 02 54.8 q 160
2017-07-30 22:23:23 C 20 36 02.22 -00 03 36.5 q 160
2017-07-30 23:24:33 C 20 35 43.67 -00 16 56.0 U Z80
2017-07-30 23:25:37 C 20 35 43.34 -00 17 09.9 U Z80
2017-07-30 23:26:41 C 20 35 43.03 -00 17 23.8 U Z80
2017-07-30 23:27:45 C 20 35 42.69 -00 17 37.7 U Z80
2017-07-30 23:28:49 C 20 35 42.36 -00 17 51.6 U Z80
2017-07-30 23:29:43 C 20 35 42.09 -00 18 03.4 U Z80
2017-07-30 23:32:12 C 20 35 41.33 -00 18 35.8 U Z80
2017-07-30 23:33:05 C 20 35 41.04 -00 18 47.2 U Z80
2017-07-30 23:34:09 C 20 35 40.72 -00 19 01.1 U Z80
2017-07-31 05:18:05 C 20 33 57.40 -01 33 50.3 P V78
2017-07-31 05:18:52 C 20 33 57.16 -01 33 59.8 P V78
2017-07-31 05:19:59 C 20 33 56.80 -01 34 15.0 P V78
2017-07-31 06:41:36 C 20 33 30.96 -01 51 58.9 q W33
2017-07-31 07:04:32 C 20 33 23.78 -01 56 59.3 q W33
2017-07-31 07:27:20 C 20 33 16.68 -02 01 58.2 q W33
2017-07-31 11:57:21 C 20 31 57.07 -03 00 23.7 t Q65
2017-07-31 12:06:58 C 20 31 54.03 -03 02 29.9 t Q65
2017-07-31 12:18:12 C 20 31 50.52 -03 04 58.1 t Q65
2017-07-31 12:29:32 C 20 31 46.96 -03 07 27.0 t Q65
2017-07-31 21:21:56 C 20 29 04.07 -05 05 28.1 U G34
2017-07-31 21:26:10 C 20 29 02.72 -05 06 23.9 U G34
2017-07-31 21:30:25 C 20 29 01.40 -05 07 19.9 U G34
2017-07-31 21:34:39 C 20 29 00.07 -05 08 16.6 U G34
2017-07-31 21:45:19 C 20 28 57.05 -05 10 34.6 U K19
2017-07-31 21:47:13 C 20 28 56.42 -05 10 59.2 U K19
2017-07-31 21:48:47 C 20 28 55.94 -05 11 20.1 U K19
2017-07-31 21:50:19 C 20 28 55.46 -05 11 40.6 U K19
2017-08-01 03:11:09 C 20 27 16.94 -06 22 24.2 q W46
2017-08-01 03:14:05 C 20 27 16.03 -06 23 03.7 q W46
2017-08-01 03:19:22 C 20 27 14.31 -06 24 13.0 q W46
2017-08-01 03:42:19 C 20 27 07.41 -06 29 20.3 P V78
2017-08-01 03:43:03 C 20 27 07.20 -06 29 30.0 P V78
2017-08-01 03:43:47 C 20 27 06.94 -06 29 39.3 P V78
2017-08-01 04:16:28 C 20 26 56.38 -06 36 51.3 q W19
2017-08-01 04:20:50 C 20 26 55.00 -06 37 49.2 q W19
2017-08-01 04:21:49 C 20 26 54.68 -06 38 02.1 q W19
2017-08-01 04:22:28 C 20 26 54.48 -06 38 10.7 q W19
2017-08-01 04:23:36 C 20 26 54.11 -06 38 25.7 q W19
2017-08-01 04:25:50 C 20 26 53.40 -06 38 55.6 q W19
2017-08-01 04:29:54 C 20 26 52.11 -06 39 49.3 q W19
2017-08-01 06:00:37 C 20 26 21.61 -06 59 08.8 r Y00
2017-08-01 06:02:31 C 20 26 20.97 -06 59 33.5 r Y00
2017-08-01 06:04:29 C 20 26 20.30 -06 59 59.6 r Y00
2017-08-01 06:12:14 C 20 26 19.91 -07 02 26.4 P V78