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
2018-10-06 18:44:40 s 1 +153272.56 3 +156292.23 0.897 – C57
2018-10-06 19:14:40 S 00 52 08.894 -20 25 43.61 – V C57
2018-10-06 19:14:40 s 1 +152822.61 4 +158567.51 0.153 – C57
2018-10-06 19:44:40 S 00 52 07.265 -20 25 57.32 – V C57
2018-10-06 19:44:40 s 1 +152359.37 9 +160828.86 0.931 – C57
2018-10-06 20:14:40 S 00 52 05.904 -20 26 08.92 – V C57
2018-10-06 20:14:40 s 1 +151883.09 4 +163076.28 0.364 – C57
2018-10-06 20:44:40 S 00 52 04.082 -20 26 16.33 – V C57
2018-10-06 20:44:40 s 1 +151393.99 2 +165309.78 0.583 – C57
2018-10-06 21:14:40 S 00 52 02.954 -20 26 27.20 – V C57
2018-10-06 21:14:40 s 1 +150892.30 0 +167529.37 0.717 – C57
2018-10-06 21:44:40 S 00 52 01.550 -20 26 40.74 – V C57
2018-10-06 21:44:40 s 1 +150378.24 1 +169735.08 0.89 – C57
2018-10-06 22:14:40 S 00 51 59.522 -20 26 48.26 – V C57
2018-10-06 22:14:40 s 1 +149852.03 3 +171926.91 0.228 – C57
2018-10-06 22:44:40 S 00 51 58.339 -20 27 01.51 – V C57
2018-10-06 22:44:40 s 1 +149313.89 1 +174104.88 0.851 – C57
2018-10-06 23:14:40 S 00 51 56.590 -20 27 10.69 – V C57
2018-10-06 23:14:40 s 1 +148764.02 3 +176269.01 0.88 – C57
2018-10-06 23:44:40 S 00 51 54.950 -20 27 23.47 – V C57
2018-10-06 23:44:40 s 1 +148202.63 7 +178419.32 0.432 – C57
2018-10-07 00:44:40 S 00 51 51.965 -20 27 45.40 – V C57
2018-10-07 00:44:40 s 1 +147046.11 1 +182678.57 0.564 – C57
2018-10-07 01:14:40 S 00 51 50.282 -20 27 56.74 – V C57
2018-10-07 01:14:40 s 1 +146451.36 4 +184787.56 0.369 – C57
2018-10-07 01:44:40 S 00 51 48.799 -20 28 06.42 – V C57
2018-10-07 01:44:40 s 1 +145845.88 1 +186882.82 0.146 – C57
2018-10-07 02:14:40 S 00 51 47.206 -20 28 14.81 – V C57
2018-10-07 02:14:40 s 1 +145229.84 9 +188964.38 0.005 – C57
2018-10-07 02:44:40 S 00 51 45.890 -20 28 28.34 – V C57
2018-10-07 02:44:40 s 1 +144603.45 2 +191032.26 0.049 – C57
2018-10-07 03:14:40 S 00 51 44.503 -20 28 35.22 – V C57
2018-10-07 03:14:40 s 1 +143966.87 0 +193086.50 0.385 – C57
2018-10-07 03:44:40 S 00 51 42.490 -20 28 46.99 – V C57
2018-10-07 03:44:40 s 1 +143320.27 8 +195127.12 0.112 – C57
2018-10-07 04:14:40 S 00 51 41.369 -20 28 59.63 – V C57
2018-10-07 04:14:40 s 1 +142663.84 9 +197154.15 0.333 – C57
2018-10-07 05:44:40 S 00 51 36.634 -20 29 28.97 – V C57
2018-10-07 05:44:40 s 1 +140637.22 3 +203154.01 0.937 – C57
2018-10-07 06:14:40 S 00 51 35.186 -20 29 41.28 – V C57
2018-10-07 06:14:40 s 1 +139943.11 3 +205126.99 0.104 – C57
2018-10-07 07:14:40 S 00 51 32.086 -20 30 01.84 – V C57
2018-10-07 07:14:40 s 1 +138527.98 9 +209032.70 0.442 – C57
2018-10-07 07:44:40 S 00 51 30.252 -20 30 14.90 – V C57
2018-10-07 07:44:40 s 1 +137807.28 2 +210965.49 0.794 – C57
2018-10-07 08:14:40 S 00 51 28.999 -20 30 22.61 – V C57
2018-10-07 08:14:40 s 1 +137078.01 0 +212884.95 0.387 – C57
2018-10-07 08:44:40 S 00 51 27.557 -20 30 30.53 – V C57
2018-10-07 08:44:40 s 1 +136340.32 1 +214791.11 0.305 – C57
2018-10-07 09:44:40 S 00 51 23.952 -20 30 55.73 – V C57