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
2018-09-25 04:14:41 s 1 +30698.730 0 +337047.09 9580.0 – C57
2018-09-25 04:44:41 S 01 04 22.186 -18 28 27.34 – V C57
2018-09-25 04:44:41 s 1 +29547.506 0 +337831.11 5000.0 – C57
2018-09-25 05:14:40 S 01 04 20.813 -18 28 41.16 – V C57
2018-09-25 05:14:40 s 1 +28395.319 0 +338604.48 9250.0 – C57
2018-09-25 05:44:41 S 01 04 19.908 -18 28 51.64 – V C57
2018-09-25 05:44:41 s 1 +27242.209 0 +339367.23 2610.0 – C57
2018-09-25 06:14:41 S 01 04 18.545 -18 29 01.54 – V C57
2018-09-25 06:14:41 s 1 +26088.217 0 +340119.38 5340.0 – C57
2018-09-25 06:44:40 S 01 04 17.431 -18 29 18.02 – V C57
2018-09-25 06:44:40 s 1 +24933.382 0 +340860.95 7700.0 – C57
2018-09-25 07:14:41 S 01 04 15.953 -18 29 33.14 – V C57
2018-09-25 07:14:41 s 1 +23777.742 0 +341591.97 9960.0 – C57
2018-09-25 07:44:41 S 01 04 14.460 -18 29 43.30 – V C57
2018-09-25 07:44:41 s 1 +22621.337 0 +342312.48 2370.0 – C57
2018-09-25 09:44:40 S 01 04 09.554 -18 30 36.83 – V C57
2018-09-25 09:44:40 s 1 +17988.819 0 +345089.75 8590.0 – C57
2018-09-25 11:14:40 S 01 04 05.472 -18 31 19.27 – V C57
2018-09-25 11:14:40 s 1 +14520.153 0 +347074.51 4500.0 – C57
2018-09-25 11:44:41 S 01 04 04.150 -18 31 33.74 – V C57
2018-09-25 11:44:41 s 1 +13359.037 0 +347711.83 7560.0 – C57
2018-09-25 16:14:41 S 01 03 52.308 -18 33 33.62 – V C57
2018-09-25 17:14:40 S 01 03 50.198 -18 33 55.62 – V C57
2018-09-25 17:44:41 S 01 03 48.636 -18 34 11.32 – V C57
2018-09-25 18:14:41 S 01 03 47.196 -18 34 24.02 – V C57
2018-09-25 18:44:40 S 01 03 45.962 -18 34 35.40 – V C57
2018-09-25 19:14:41 S 01 03 44.657 -18 34 50.77 – V C57
2018-09-25 20:14:40 S 01 03 42.180 -18 35 14.71 – V C57
2018-09-25 21:44:40 S 01 03 38.146 -18 35 55.54 – V C57
2018-09-25 22:14:41 S 01 03 36.516 -18 36 07.74 – V C57
2018-09-25 22:14:41 s 1 -11071.571 0 +358748.59 40.0 – C57
2018-09-25 22:44:41 S 01 03 35.328 -18 36 20.48 – V C57
2018-09-25 22:44:41 s 1 -12234.400 0 +359164.13 7040.0 – C57
2018-09-25 23:44:41 S 01 03 33.180 -18 36 46.08 – V C57
2018-09-25 23:44:41 s 1 -14559.155 0 +359965.68 2730.0 – C57
2018-09-26 04:14:41 S 01 03 21.110 -18 38 40.99 – V C57
2018-09-26 04:14:41 s 1 -24999.699 0 +363088.73 40.0 – C57
2018-09-26 04:44:41 S 01 03 19.944 -18 38 56.72 – V C57
2018-09-26 04:44:41 s 1 -26157.063 0 +363387.20 5890.0 – C57
2018-09-26 05:14:40 S 01 03 18.619 -18 39 12.13 – V C57
2018-09-26 05:14:40 s 1 -27313.782 0 +363676.02 1230.0 – C57
2018-09-26 06:44:40 S 01 03 14.866 -18 39 47.81 – V C57
2018-09-26 06:44:40 s 1 -30779.779 0 +364484.75 5970.0 – C57
2018-09-26 07:14:41 S 01 03 13.325 -18 40 01.09 – V C57
2018-09-26 07:14:41 s 1 -31933.631 0 +364735.13 1070.0 – C57
2018-09-26 08:14:40 S 01 03 10.800 -18 40 25.86 – V C57
2018-09-26 08:14:40 s 1 -34238.943 0 +365207.21 2660.0 – C57
2018-09-26 08:44:41 S 01 03 09.641 -18 40 39.94 – V C57
2018-09-26 08:44:41 s 1 -35390.349 0 +365428.93 9510.0 – C57
2018-09-26 09:44:40 S 01 03 06.715 -18 41 01.57 – V C57