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
2017-07-04 12:55:28 S 22 30 22.88 +54 06 41.9 L C51
2017-07-15 22:41:06 C 21 58 32.07 +45 15 18.6 q A13
2017-07-15 22:48:10 C 21 58 30.93 +45 14 56.4 q A13
2017-07-15 22:53:28 C 21 58 30.06 +45 14 39.9 q A13
2017-07-15 22:56:04 C 21 58 29.64 +45 14 31.8 q A13
2017-07-17 03:57:50 C 21 53 45.76 +43 36 30.0 P V78
2017-07-17 05:08:25 C 21 53 33.65 +43 32 19.5 P V78
2017-07-17 05:57:09 C 21 53 25.21 +43 29 24.6 P V78
2017-07-18 00:04:46 C 21 50 16.93 +42 21 05.1 u K83
2017-07-18 00:07:59 C 21 50 16.36 +42 20 53.7 u K83
2017-07-18 00:09:55 C 21 50 15.97 +42 20 45.0 u K83
2017-07-18 03:56:47 C 21 49 36.80 +42 05 44.6 q W19
2017-07-18 04:04:20 C 21 49 35.44 +42 05 15.0 q W19
2017-07-18 04:06:38 C 21 49 35.03 +42 05 05.7 q W19
2017-07-18 04:10:39 C 21 49 34.31 +42 04 50.0 q W19
2017-07-18 04:15:51 C 21 49 33.34 +42 04 29.4 q W19
2017-07-19 04:23:39 C 21 45 09.49 +40 22 38.2 P V78
2017-07-19 04:54:22 C 21 45 03.48 +40 20 22.4 P V78
2017-07-19 05:18:22 C 21 44 58.90 +40 18 36.6 P V78
2017-07-19 12:29:16 C 21 43 36.32 +39 46 13.1 L T08
2017-07-19 12:44:47 C 21 43 33.23 +39 45 01.1 L T08
2017-07-19 12:51:05 C 21 43 31.97 +39 44 32.0 L T08
2017-07-19 13:03:45 C 21 43 29.44 +39 43 33.2 L T08
2017-07-19 22:08:16 C 21 41 46.29 +39 00 25.3 q 160
2017-07-19 22:10:16 C 21 41 45.89 +39 00 15.6 q 160
2017-07-19 22:12:18 C 21 41 45.47 +39 00 06.0 q 160
2017-07-20 04:15:59 C 21 40 34.62 +38 30 22.9 P V78
2017-07-20 04:20:51 C 21 40 33.67 +38 30 00.6 P V78
2017-07-20 04:29:02 C 21 40 32.14 +38 29 19.0 P V78
2017-07-20 08:23:41 C 21 39 44.17 +38 09 52.6 q H45
2017-07-20 08:25:54 C 21 39 43.71 +38 09 41.3 q H45
2017-07-20 08:27:06 C 21 39 43.46 +38 09 35.3 q H45
2017-07-20 08:28:02 C 21 39 43.27 +38 09 30.5 q H45
2017-07-20 08:28:58 C 21 39 43.08 +38 09 25.8 q H45
2017-07-20 08:30:02 C 21 39 42.86 +38 09 20.4 q H45
2017-07-20 23:56:34 C 21 36 36.71 +36 48 10.6 16.0 r 238
2017-07-21 00:01:13 C 21 36 35.75 +36 47 43.4 16.1 r 238
2017-07-21 00:03:33 C 21 36 35.30 +36 47 32.2 15.6 r 238
2017-07-21 00:08:14 C 21 36 34.26 +36 47 07.4 16.0 r 238
2017-07-21 00:12:56 C 21 36 33.29 +36 46 42.0 15.1 r 238
2017-07-22 22:26:31 C 21 26 39.26 +32 06 42.9 q 160
2017-07-22 22:28:47 C 21 26 38.73 +32 06 27.8 q 160
2017-07-22 22:31:05 C 21 26 38.20 +32 06 12.3 q 160
2017-07-22 23:06:34 C 21 26 29.80 +32 02 06.5 14.8 r 238
2017-07-22 23:10:17 C 21 26 28.93 +32 01 41.0 15.3 r 238
2017-07-22 23:22:37 C 21 26 26.11 +32 00 17.8 15.7 r 238
2017-07-22 23:25:05 C 21 26 25.56 +32 00 00.6 15.1 r 238
2017-07-23 03:44:00 C 21 25 28.28 +31 30 38.1 P V78
2017-07-23 03:55:56 C 21 25 25.53 +31 29 15.8 P V78
2017-07-23 04:03:24 C 21 25 23.75 +31 28 24.4 P V78