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
2018-10-07 09:44:40 s 1 +134840.26 3 +218563.69 0.461 – C57
2018-10-07 10:14:40 S 00 51 22.898 -20 31 03.29 – V C57
2018-10-07 10:14:40 s 1 +134078.17 3 +220430.17 0.865 – C57
2018-10-07 12:14:40 S 00 51 16.445 -20 31 49.08 – V C57
2018-10-07 12:14:40 s 1 +130952.56 3 +227764.93 0.86 – C57
2018-10-07 12:44:40 S 00 51 15.149 -20 31 56.24 – V C57
2018-10-07 12:44:40 s 1 +130152.50 0 +229566.00 0.345 – C57
2018-10-07 13:14:40 S 00 51 13.742 -20 32 08.88 – V C57
2018-10-07 13:14:40 s 1 +129345.22 5 +231354.10 0.875 – C57
2018-10-07 14:14:40 S 00 51 10.872 -20 32 28.79 – V C57
2018-10-07 14:14:40 s 1 +127709.52 9 +234891.53 0.368 – C57
2018-10-07 14:44:40 S 00 51 09.178 -20 32 37.68 – V C57
2018-10-07 14:44:40 s 1 +126881.34 8 +236640.93 0.474 – C57
2018-10-07 15:14:40 S 00 51 07.406 -20 32 45.46 – V C57
2018-10-07 15:14:40 s 1 +126046.43 4 +238377.51 0.915 – C57
2018-10-07 15:44:40 S 00 51 05.969 -20 32 57.44 – V C57
2018-10-07 15:44:40 s 1 +125204.90 2 +240101.30 0.759 – C57
2018-10-07 16:14:40 S 00 51 04.589 -20 33 07.60 – V C57
2018-10-07 16:14:40 s 1 +124356.86 4 +241812.35 0.076 – C57
2018-10-07 16:44:40 S 00 51 02.923 -20 33 21.13 – V C57
2018-10-07 16:44:40 s 1 +123502.43 1 +243510.68 0.932 – C57
2018-10-07 17:14:40 S 00 51 01.752 -20 33 29.77 – V C57
2018-10-07 17:14:40 s 1 +122641.71 3 +245196.33 0.393 – C57
2018-10-07 18:14:40 S 00 50 58.435 -20 33 50.26 – V C57
2018-10-07 18:14:40 s 1 +120901.84 8 +248529.76 0.395 – C57
2018-10-07 18:44:40 S 00 50 56.659 -20 33 59.22 – V C57
2018-10-07 18:44:40 s 1 +120022.91 1 +250177.61 0.062 – C57
2018-10-07 19:14:40 S 00 50 55.253 -20 34 13.48 – V C57
2018-10-07 19:14:40 s 1 +119138.10 6 +251812.94 0.59 – C57
2018-10-07 19:44:40 S 00 50 53.705 -20 34 18.26 – V C57
2018-10-07 19:44:40 s 1 +118247.53 6 +253435.78 0.041 – C57
2018-10-08 00:14:40 S 00 50 40.236 -20 35 50.42 – V C57
2018-10-08 00:14:40 s 1 +109988.75 9 +267485.42 3630.0 – C57
2018-10-08 00:44:40 S 00 50 38.537 -20 35 58.96 – V C57
2018-10-08 00:44:40 s 1 +109045.72 4 +268985.40 2410.0 – C57
2018-10-08 01:44:40 S 00 50 35.328 -20 36 21.28 – V C57
2018-10-08 01:44:40 s 1 +107145.46 5 +271949.13 6850.0 – C57
2018-10-08 02:14:40 S 00 50 34.075 -20 36 29.16 – V C57
2018-10-08 02:14:40 s 1 +106188.40 5 +273412.96 3530.0 – C57
2018-10-08 03:14:40 S 00 50 30.878 -20 36 48.28 – V C57
2018-10-08 03:14:40 s 1 +104260.83 4 +276304.71 8360.0 – C57
2018-10-08 04:14:40 S 00 50 28.322 -20 37 08.94 – V C57
2018-10-08 04:14:40 s 1 +102315.85 2 +279148.83 5080.0 – C57
2018-10-08 04:44:40 S 00 50 26.314 -20 37 17.18 – V C57
2018-10-08 04:44:40 s 1 +101337.02 5 +280553.12 1620.0 – C57
2018-10-08 05:44:40 S 00 50 23.743 -20 37 39.97 – V C57
2018-10-08 05:44:40 s 1 +99367.077 0 +283326.31 3410.0 – C57
2018-10-08 06:44:40 S 00 50 20.417 -20 37 55.99 – V C57
2018-10-08 06:44:40 s 1 +97381.227 0 +286052.57 6550.0 – C57
2018-10-08 07:14:40 S 00 50 19.087 -20 38 06.50 – V C57