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
2018-10-10 09:58:26 C 00 48 11.64 -20 52 54.3 – U T05
2018-10-10 10:11:29 C 00 48 10.99 -20 52 58.2 – U T05
2018-10-10 10:12:48 C 00 48 10.93 -20 52 58.4 – U T05
2018-10-10 10:14:40 S 00 47 48.564 -20 53 51.40 – V C57
2018-10-10 10:14:40 s 1 -15931.891 0 +368521.62 4370.0 – C57
2018-10-10 11:14:40 S 00 47 45.535 -20 54 00.68 – V C57
2018-10-10 11:14:40 s 1 -18193.811 0 +369083.10 9950.0 – C57
2018-10-10 11:44:40 S 00 47 44.234 -20 54 17.86 – V C57
2018-10-10 11:44:40 s 1 -19323.936 0 +369349.92 2180.0 – C57
2018-10-10 13:44:40 S 00 47 38.198 -20 54 49.54 – V C57
2018-10-10 13:44:40 s 1 -23838.228 0 +370324.60 1400.0 – C57
2018-10-10 14:14:40 S 00 47 36.974 -20 55 00.48 – V C57
2018-10-10 14:14:40 s 1 -24965.117 0 +370545.18 4640.0 – C57
2018-10-10 15:14:40 S 00 47 33.790 -20 55 20.14 – V C57
2018-10-10 15:14:40 s 1 -27216.687 0 +370958.75 3460.0 – C57
2018-10-10 15:44:40 S 00 47 32.244 -20 55 29.10 – V C57
2018-10-10 15:44:40 s 1 -28341.316 0 +371151.75 9370.0 – C57
2018-10-10 16:44:40 S 00 47 29.364 -20 55 39.58 – V C57
2018-10-10 16:44:40 s 1 -30588.132 0 +371510.23 5040.0 – C57
2018-10-10 17:14:40 S 00 47 28.116 -20 55 49.94 – V C57
2018-10-10 17:14:40 s 1 -31710.265 0 +371675.74 5140.0 – C57
2018-10-10 18:44:40 S 00 47 23.981 -20 56 13.45 – V C57
2018-10-10 18:44:40 s 1 -35071.261 0 +372117.47 6450.0 – C57
2018-10-10 19:14:40 S 00 47 22.118 -20 56 25.08 – V C57
2018-10-10 19:14:40 s 1 -36189.705 0 +372246.48 4460.0 – C57
2018-10-10 19:44:40 S 00 47 20.993 -20 56 32.96 – V C57
2018-10-10 19:44:40 s 1 -37307.163 0 +372366.39 4850.0 – C57
2018-10-10 20:14:40 S 00 47 19.560 -20 56 42.50 – V C57
2018-10-10 20:14:40 s 1 -38423.608 0 +372477.21 7790.0 – C57
2018-10-10 20:44:40 S 00 47 18.026 -20 56 48.41 – V C57
2018-10-10 20:44:40 s 1 -39539.016 0 +372578.96 3450.0 – C57
2018-10-10 21:14:40 S 00 47 16.697 -20 56 55.93 – V C57
2018-10-10 21:14:40 s 1 -40653.361 0 +372671.64 1980.0 – C57
2018-10-10 21:44:40 S 00 47 15.206 -20 57 08.93 – V C57
2018-10-10 21:44:40 s 1 -41766.617 0 +372755.25 3560.0 – C57
2018-10-10 22:14:40 S 00 47 13.702 -20 57 18.65 – V C57
2018-10-10 22:14:40 s 1 -42878.759 0 +372829.82 8330.0 – C57
2018-10-10 23:14:40 S 00 47 10.769 -20 57 33.91 – V C57
2018-10-10 23:14:40 s 1 -45099.601 0 +372951.84 8130.0 – C57
2018-10-10 23:44:40 S 00 47 09.463 -20 57 36.29 – V C57
2018-10-10 23:44:40 s 1 -46208.251 0 +372999.32 3470.0 – C57
2018-10-11 00:14:40 S 00 47 07.946 -20 57 48.49 – V C57
2018-10-11 00:14:40 s 1 -47315.685 0 +373037.78 2650.0 – C57
2018-10-11 00:44:40 S 00 47 06.528 -20 57 57.92 – V C57
2018-10-11 00:44:40 s 1 -48421.881 0 +373067.24 5840.0 – C57
2018-10-11 01:14:40 S 00 47 05.390 -20 58 01.38 – V C57
2018-10-11 01:14:40 s 1 -49526.812 0 +373087.70 3180.0 – C57
2018-10-11 02:14:40 S 00 47 02.294 -20 58 22.40 – V C57
2018-10-11 02:14:40 s 1 -51732.780 0 +373101.68 970.0 – C57
2018-10-11 02:44:40 S 00 47 01.138 -20 58 30.11 – V C57