IAA RAS IAA Minor Planet Database

5751 Zao (1992 AC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4253262069 ± 4.74e-09
Semi-major axis (a)2.1014867082 AU ± 1.45e-09
Inclination (i)16.07378815° ± 1.42e-07
Long. of Asc. Node (Ω)121.62648787° ± 6.91e-07
Arg. of Perihelion (ω)25.44038190° ± 1.74e-06
Mean Anomaly (M)23.79115094° ± 4.26e-06
Mean Motion (n)0.3235357714°/day ± 3.34e-10
Perihelion dist (q)1.20766934 AU ± 1.00e-08
Aphelion dist (Q)2.99530408 AU ± 1.02e-08
Orbital Period3.04642136 yr ± 3.15e-09
Physical Parameters
H (abs. magnitude)14.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.023″
Uncertainty0
Orbit TypeAmor
MOID0.240308 AU
Observations Used2575
Gaia Obs Used184
Oppositions19
Arc Total1989-2026
First Observation Used1989-03-10
Last Observation Used2026-03-30
Observations (3192)
Date Type RA Dec Mag Band Observatory
2018-10-05 18:44:40 s 1 +153056.43 0 +31495.087 9550.0 – C57
2018-10-05 19:44:40 S 00 53 22.620 -20 16 40.19 – V C57
2018-10-05 19:44:40 s 1 +154212.92 1 +37217.571 7900.0 – C57
2018-10-06 03:14:40 S 00 52 58.949 -20 19 49.94 – V C57
2018-10-06 03:14:40 s 1 +159075.79 5 +78942.222 2400.0 – C57
2018-10-06 04:14:40 S 00 52 55.723 -20 20 07.84 – V C57
2018-10-06 04:14:40 s 1 +159275.15 6 +84316.254 0.773 – C57
2018-10-06 04:44:40 S 00 52 54.353 -20 20 20.80 – V C57
2018-10-06 04:44:40 s 1 +159339.68 2 +86984.737 0.193 – C57
2018-10-06 05:14:40 S 00 52 52.454 -20 20 30.37 – V C57
2018-10-06 05:14:40 s 1 +159381.37 0 +89640.669 0.022 – C57
2018-10-06 06:14:40 S 00 52 49.726 -20 20 54.10 – V C57
2018-10-06 06:14:40 s 1 +159397.97 2 +94914.359 0.792 – C57
2018-10-06 06:22:21 C 00 52 52.58 -20 18 45.9 – V 703
2018-10-06 06:29:55 C 00 52 52.22 -20 18 49.1 – V 703
2018-10-06 06:37:28 C 00 52 51.85 -20 18 51.9 – V 703
2018-10-06 06:45:01 C 00 52 51.51 -20 18 54.9 – V 703
2018-10-06 07:14:40 S 00 52 46.238 -20 21 18.07 – V C57
2018-10-06 07:14:40 s 1 +159328.34 6 +100136.36 0.828 – C57
2018-10-06 07:44:40 S 00 52 44.801 -20 21 25.20 – V C57
2018-10-06 07:44:40 s 1 +159262.21 7 +102727.71 0.974 – C57
2018-10-06 08:14:40 S 00 52 43.169 -20 21 42.48 – V C57
2018-10-06 08:14:40 s 1 +159175.73 7 +105305.84 0.815 – C57
2018-10-06 09:14:40 S 00 52 39.874 -20 22 08.22 – V C57
2018-10-06 09:14:40 s 1 +158943.25 2 +110422.10 0.378 – C57
2018-10-06 09:44:40 S 00 52 38.410 -20 22 16.18 – V C57
2018-10-06 09:44:40 s 1 +158797.99 2 +112960.08 0.495 – C57
2018-10-06 10:14:40 S 00 52 37.126 -20 22 23.84 – V C57
2018-10-06 10:14:40 s 1 +158633.86 9 +115484.54 0.09 – C57
2018-10-06 11:14:40 S 00 52 33.962 -20 22 50.34 – V C57
2018-10-06 11:14:40 s 1 +158250.44 1 +120492.66 0.463 – C57
2018-10-06 11:44:40 S 00 52 32.112 -20 23 05.28 – V C57
2018-10-06 11:44:40 s 1 +158031.81 8 +122976.22 0.607 – C57
2018-10-06 12:14:40 S 00 52 30.967 -20 23 10.68 – V C57
2018-10-06 12:14:40 s 1 +157795.70 0 +125446.05 0.96 – C57
2018-10-06 12:44:40 S 00 52 29.014 -20 23 25.48 – V C57
2018-10-06 12:44:40 s 1 +157542.41 0 +127902.11 0.697 – C57
2018-10-06 13:14:40 S 00 52 27.578 -20 23 35.02 – V C57
2018-10-06 13:14:40 s 1 +157272.26 5 +130344.37 0.989 – C57
2018-10-06 14:44:40 S 00 52 23.105 -20 24 11.81 – V C57
2018-10-06 14:44:40 s 1 +156363.77 4 +137588.05 0.867 – C57
2018-10-06 16:14:40 S 00 52 18.022 -20 24 35.96 – V C57
2018-10-06 16:14:40 s 1 +155314.38 1 +144706.65 0.622 – C57
2018-10-06 16:44:40 S 00 52 16.658 -20 24 52.06 – V C57
2018-10-06 16:44:40 s 1 +154934.58 9 +147051.66 0.349 – C57
2018-10-06 17:44:40 S 00 52 13.483 -20 25 10.63 – V C57
2018-10-06 17:44:40 s 1 +154131.63 2 +151699.84 0.407 – C57
2018-10-06 18:14:40 S 00 52 12.084 -20 25 21.54 – V C57
2018-10-06 18:14:40 s 1 +153708.98 5 +154003.01 0.028 – C57
2018-10-06 18:44:40 S 00 52 10.586 -20 25 30.94 – V C57