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
2017-07-23 09:50:37 C 21 24 02.16 +30 48 05.0 q H45
2017-07-23 09:51:21 C 21 24 01.99 +30 48 00.0 q H45
2017-07-23 09:52:00 C 21 24 01.83 +30 47 55.3 q H45
2017-07-23 09:52:57 C 21 24 01.60 +30 47 48.5 q H45
2017-07-23 09:54:12 C 21 24 01.31 +30 47 39.7 q H45
2017-07-23 09:55:10 C 21 24 01.08 +30 47 32.6 q H45
2017-07-24 03:54:23 C 21 19 52.46 +28 34 38.9 P V78
2017-07-24 04:02:59 C 21 19 50.28 +28 33 33.1 P V78
2017-07-24 04:11:19 C 21 19 48.32 +28 32 30.3 P V78
2017-07-24 12:01:28 C 21 17 54.60 +27 31 27.5 L T05
2017-07-24 12:17:15 C 21 17 50.65 +27 29 21.5 L T05
2017-07-24 12:20:48 C 21 17 49.76 +27 28 53.3 L T05
2017-07-24 12:21:31 C 21 17 49.59 +27 28 47.6 L T05
2017-07-25 00:09:26 C 21 14 58.30 +25 51 51.8 15.2 r 238
2017-07-25 00:12:26 C 21 14 57.57 +25 51 26.8 15.4 r 238
2017-07-25 00:14:50 C 21 14 56.93 +25 51 06.5 14.9 r 238
2017-07-25 03:45:44 C 21 14 06.34 +25 21 28.7 q W19
2017-07-25 03:49:26 C 21 14 05.40 +25 20 56.7 q W19
2017-07-25 03:53:26 C 21 14 04.38 +25 20 23.0 q W19
2017-07-25 03:57:22 C 21 14 03.39 +25 19 49.5 q W19
2017-07-25 04:01:28 C 21 14 02.35 +25 19 14.5 q W19
2017-07-25 05:02:22 C 21 13 47.08 +25 10 32.6 P V78
2017-07-25 05:04:10 C 21 13 46.71 +25 10 17.1 P V78
2017-07-25 05:05:58 C 21 13 46.16 +25 10 01.7 P V78
2017-07-26 11:24:48 C 21 06 03.72 +20 33 14.0 L T08
2017-07-26 11:33:19 C 21 06 01.42 +20 31 51.2 L T08
2017-07-26 11:43:15 C 21 05 58.75 +20 30 14.8 L T08
2017-07-26 12:02:07 C 21 05 53.63 +20 27 10.9 L T08
2017-07-26 22:16:56 C 21 03 13.96 +18 45 11.3 14.5 q 006
2017-07-26 22:18:14 C 21 03 13.66 +18 44 57.8 14.5 q 006
2017-07-26 22:19:31 C 21 03 13.31 +18 44 45.1 14.5 q 006
2017-07-26 22:20:49 C 21 03 12.95 +18 44 32.0 14.4 q 006
2017-07-26 22:22:21 C 21 03 12.54 +18 44 16.9 14.3 q 006
2017-07-26 22:23:52 C 21 03 12.12 +18 44 01.5 14.3 q 006
2017-07-27 04:30:04 C 21 01 34.85 +17 41 27.9 P V78
2017-07-27 04:31:45 C 21 01 34.45 +17 41 10.6 P V78
2017-07-27 04:34:01 C 21 01 33.86 +17 40 47.4 P V78
2017-07-27 20:09:27 C 20 57 21.58 +14 54 42.7 q 107
2017-07-27 20:12:02 C 20 57 20.92 +14 54 14.2 q 107
2017-07-27 20:13:39 C 20 57 20.45 +14 53 56.5 q 107
2017-07-27 20:15:18 C 20 57 19.97 +14 53 38.4 q 107
2017-07-28 03:18:05 C 20 55 22.56 +13 36 22.8 r Y00
2017-07-28 03:19:29 C 20 55 22.17 +13 36 07.3 r Y00
2017-07-28 03:20:55 C 20 55 21.77 +13 35 51.7 r Y00
2017-07-28 21:54:56 C 20 50 11.36 +10 01 24.0 14.0 q 006
2017-07-28 21:56:19 C 20 50 10.97 +10 01 07.4 13.8 q 006
2017-07-28 21:57:35 C 20 50 10.63 +10 00 52.5 14.5 q 006
2017-07-28 21:58:52 C 20 50 10.24 +10 00 37.6 14.2 q 006
2017-07-28 22:00:11 C 20 50 09.85 +10 00 22.0 14.0 q 006
2017-07-28 22:01:42 C 20 50 09.40 +10 00 04.2 14.3 q 006