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
2017-08-01 06:12:57 C 20 26 19.66 -07 02 36.1 P V78
2017-08-01 06:13:41 C 20 26 19.43 -07 02 46.1 P V78
2017-08-02 06:08:36 C 20 18 50.95 -12 18 21.4 P V78
2017-08-02 06:09:20 C 20 18 50.70 -12 18 31.7 P V78
2017-08-02 06:10:04 C 20 18 50.47 -12 18 41.1 P V78
2017-08-02 22:02:32 C 20 13 49.13 -15 44 48.6 13.1 q 006
2017-08-02 22:03:43 C 20 13 48.73 -15 45 04.0 13.2 q 006
2017-08-02 22:04:50 C 20 13 48.37 -15 45 18.6 13.0 q 006
2017-08-02 22:05:57 C 20 13 48.00 -15 45 32.6 13.1 q 006
2017-08-02 22:07:02 C 20 13 47.64 -15 45 46.9 13.0 q 006
2017-08-02 22:08:23 C 20 13 47.21 -15 46 04.4 13.1 q 006
2017-08-03 06:37:54 C 20 11 01.25 -17 33 46.6 r Y00
2017-08-03 06:39:23 C 20 11 00.77 -17 34 05.2 r Y00
2017-08-03 06:40:53 C 20 11 00.26 -17 34 24.5 r Y00
2017-08-03 09:31:30 C 20 10 08.12 -18 10 55.5 L T05
2017-08-03 09:58:39 C 20 09 59.07 -18 16 37.8 L T05
2017-08-03 10:11:35 C 20 09 54.77 -18 19 20.7 L T05
2017-08-03 10:12:59 C 20 09 54.30 -18 19 38.3 L T05
2017-08-04 06:38:04 C 20 03 18.38 -22 31 29.0 P V78
2017-08-04 06:38:51 C 20 03 18.18 -22 31 39.1 P V78
2017-08-04 06:39:38 C 20 03 17.88 -22 31 48.6 P V78
2017-08-07 11:43:26 C 19 38 04.54 -36 13 39.3 t Q65
2017-08-07 11:53:26 C 19 38 01.18 -36 15 11.6 t Q65
2017-08-07 12:01:39 C 19 37 58.38 -36 16 27.3 t Q65
2017-08-07 12:12:03 C 19 37 54.86 -36 18 02.8 t Q65
2017-08-29 06:54:45 S 17 29 39.439 -66 17 55.64 L C51
2017-08-29 10:03:15 S 17 29 14.630 -66 20 51.36 L C51
2017-08-29 13:11:45 S 17 28 50.110 -66 23 46.18 L C51
2017-08-29 16:20:26 S 17 28 25.740 -66 26 39.84 L C51
2017-08-29 17:54:41 S 17 28 13.742 -66 28 04.84 L C51
2017-08-29 19:28:56 S 17 28 01.742 -66 29 30.23 L C51
2017-08-30 00:11:41 S 17 27 26.098 -66 33 43.38 L C51
2017-08-31 12:19:49 S 17 23 10.541 -67 04 07.64 L C51
2017-08-31 12:20:00 S 17 23 10.558 -67 04 08.04 L C51
2017-08-31 15:28:30 S 17 22 49.694 -67 06 37.44 L C51
2017-08-31 17:02:45 S 17 22 39.444 -67 07 51.89 L C51
2017-08-31 18:37:00 S 17 22 29.239 -67 09 05.33 L C51
2017-08-31 20:11:15 S 17 22 19.042 -67 10 18.95 L C51
2017-08-31 21:45:30 S 17 22 08.839 -67 11 32.14 L C51
2017-08-31 23:19:45 S 17 21 58.826 -67 12 44.82 L C51
2017-09-01 00:54:00 S 17 21 48.773 -67 13 57.61 L C51
2017-09-01 02:28:15 S 17 21 38.803 -67 15 09.68 L C51
2017-09-01 05:36:56 S 17 21 18.989 -67 17 33.47 L C51
2017-09-01 08:45:26 S 17 20 59.467 -67 19 55.49 L C51
2018-12-15 14:09:39 C 09 09 48.509 -10 12 15.34 U F51
2018-12-15 14:27:20 C 09 09 47.965 -10 12 10.22 U F51
2018-12-15 14:45:01 C 09 09 47.441 -10 12 05.22 U F51
2018-12-15 15:02:40 C 09 09 46.907 -10 12 00.17 U F51
2018-12-19 08:45:25 C 09 06 57.01 -09 44 03.6 V G96
2018-12-19 08:52:55 C 09 06 56.74 -09 44 01.2 V G96