IAA RAS IAA Minor Planet Database

250577 (2005 AC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5177899759 ± 4.66e-08
Semi-major axis (a)1.0498878886 AU ± 1.40e-09
Inclination (i)46.88188522° ± 2.24e-05
Long. of Asc. Node (Ω)315.75700687° ± 1.15e-05
Arg. of Perihelion (ω)285.59238587° ± 1.04e-05
Mean Anomaly (M)89.72869737° ± 1.12e-05
Mean Motion (n)0.9162160334°/day ± 1.83e-09
Perihelion dist (q)0.50626646 AU ± 4.90e-08
Aphelion dist (Q)1.59350931 AU ± 4.90e-08
Orbital Period1.07575752 yr ± 2.15e-09
Physical Parameters
H (abs. magnitude)18.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.541″
Uncertainty0
Orbit TypeApollo
MOID0.073964 AU
Observations Used255
Radar Obs Used1
Oppositions1
Arc Total2004-2020
First Observation Used2004-12-15
Last Observation Used2025-10-09
Observations (400)
Date Type RA Dec Mag Band Observatory
2020-01-02 15:14:53 C 13 28 59.52 +55 16 40.0 – V T08
2020-01-02 15:39:21 C 13 29 01.88 +55 16 53.4 – V T08
2020-01-02 15:40:01 C 13 29 01.87 +55 16 53.4 – V T08
2020-01-05 10:00:37 C 13 35 58.15 +55 54 26.6 – V 703
2020-01-05 10:08:29 C 13 35 59.02 +55 54 31.7 – V 703
2020-01-05 10:16:21 C 13 35 59.85 +55 54 36.3 – V 703
2020-01-05 10:24:14 C 13 36 00.62 +55 54 43.5 – V 703
2020-01-13 11:12:14 C 14 01 30.91 +58 35 58.6 – U I41
2020-01-13 11:45:34 C 14 01 36.21 +58 36 37.1 – U I41
2020-01-13 12:53:41 C 14 01 47.02 +58 37 54.9 – U I41
2020-01-13 13:23:49 C 14 01 51.78 +58 38 28.9 – U I41
2020-01-14 10:12:25 C 14 05 31.73 +59 02 13.2 – V G96
2020-01-14 10:14:49 C 14 05 32.06 +59 02 16.2 – V 703
2020-01-14 10:19:55 C 14 05 33.04 +59 02 22.6 – V G96
2020-01-14 10:22:34 C 14 05 33.49 +59 02 25.9 – V 703
2020-01-14 10:27:24 C 14 05 34.35 +59 02 31.9 – V G96
2020-01-14 10:30:19 C 14 05 34.82 +59 02 35.3 – V 703
2020-01-14 10:34:53 C 14 05 35.65 +59 02 41.3 – V G96
2020-01-14 10:38:03 C 14 05 36.17 +59 02 45.2 – V 703
2020-01-15 10:44:59 C 14 10 11.17 +59 32 28.0 – U I41
2020-01-15 10:46:22 C 14 10 11.44 +59 32 29.8 – U I41
2020-01-15 10:47:39 C 14 10 11.67 +59 32 31.6 – U I41
2020-01-15 13:20:40 C 14 10 40.66 +59 35 55.4 – U I41
2020-01-15 13:21:57 C 14 10 40.90 +59 35 57.1 – U I41
2020-01-18 15:02:03 C 14 28 08.98 +61 23 34.4 – V T08
2020-01-18 15:07:20 C 14 28 10.41 +61 23 43.3 – V T08
2020-01-18 15:15:05 C 14 28 12.46 +61 23 56.4 – V T08
2020-01-18 15:29:37 C 14 28 16.35 +61 24 21.0 – V T08
2020-01-20 16:00:51 C 14 43 59.73 +62 50 49.7 – V T05
2020-01-20 16:04:49 C 14 44 01.14 +62 50 57.4 – V T05
2020-01-20 16:07:28 C 14 44 02.02 +62 51 02.8 – V T05
2020-01-20 16:11:26 C 14 44 03.37 +62 51 10.6 – V T05
2020-01-21 05:10:21 C 14 49 06.69 +63 16 24.1 – V K74
2020-01-21 05:14:38 C 14 49 08.35 +63 16 32.9 – V K74
2020-01-21 05:18:18 C 14 49 09.80 +63 16 40.1 – V K74
2020-01-21 05:22:01 C 14 49 11.23 +63 16 47.7 – V K74
2020-01-22 03:44:23 S 14 58 22.188 +63 48 00.90 – V C57
2020-01-22 03:44:23 s 1 +142015.84 9 +80702.235 6330.0 – C57
2020-01-22 04:14:23 S 14 58 37.133 +63 48 44.14 – V C57
2020-01-22 04:14:23 s 1 +142552.47 5 +83857.653 7750.0 – C57
2020-01-22 06:14:23 S 14 59 42.698 +63 52 06.71 – V C57
2020-01-22 06:14:23 s 1 +144317.86 4 +96248.416 8320.0 – C57
2020-01-22 07:14:23 S 15 00 13.404 +63 53 47.80 – V C57
2020-01-22 07:14:23 s 1 +144988.42 6 +102305.64 4430.0 – C57
2020-01-22 07:44:23 S 15 00 30.818 +63 54 38.95 – V C57
2020-01-22 07:44:23 s 1 +145274.47 0 +105299.94 8680.0 – C57
2020-01-22 08:14:23 S 15 00 48.149 +63 55 32.30 – V C57
2020-01-22 08:14:23 s 1 +145529.02 0 +108271.47 5840.0 – C57
2020-01-22 08:44:23 S 15 01 03.367 +63 56 23.42 – V C57
2020-01-22 08:44:23 s 1 +145753.02 2 +111220.35 7420.0 – C57
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-02-05 17:54:00 89347511.41 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)