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
2018-09-29 14:14:40 S 00 59 50.669 -19 13 06.56 – V C57
2018-09-29 14:14:40 s 1 -186599.46 6 +290133.20 6780.0 – C57
2018-09-29 14:44:40 S 00 59 49.385 -19 13 16.39 – V C57
2018-09-29 14:44:40 s 1 -187279.25 1 +288956.78 9580.0 – C57
2018-09-29 15:14:40 S 00 59 48.089 -19 13 32.38 – V C57
2018-09-29 15:14:40 s 1 -187953.39 3 +287771.52 3570.0 – C57
2018-09-29 15:44:40 S 00 59 47.004 -19 13 42.28 – V C57
2018-09-29 15:44:40 s 1 -188621.84 5 +286577.41 8520.0 – C57
2018-09-29 16:14:40 S 00 59 45.581 -19 13 50.45 – V C57
2018-09-29 16:14:40 s 1 -189284.56 2 +285374.46 4150.0 – C57
2018-09-29 16:44:40 S 00 59 44.256 -19 14 05.06 – V C57
2018-09-29 16:44:40 s 1 -189941.49 6 +284162.65 220.0 – C57
2018-09-29 17:14:40 S 00 59 43.370 -19 14 15.72 – V C57
2018-09-29 17:14:40 s 1 -190592.60 1 +282941.99 6460.0 – C57
2018-09-29 17:44:40 S 00 59 41.894 -19 14 27.67 – V C57
2018-09-29 17:44:40 s 1 -191237.83 0 +281712.47 2610.0 – C57
2018-09-29 18:14:40 S 00 59 40.666 -19 14 43.62 – V C57
2018-09-29 18:14:40 s 1 -191877.13 3 +280474.10 8410.0 – C57
2018-09-29 18:44:40 S 00 59 39.317 -19 14 53.77 – V C57
2018-09-29 18:44:40 s 1 -192510.46 3 +279226.86 3590.0 – C57
2018-09-29 19:14:40 S 00 59 38.076 -19 15 09.11 – V C57
2018-09-29 19:14:40 s 1 -193137.77 0 +277970.76 7880.0 – C57
2018-09-29 20:44:40 S 00 59 34.188 -19 15 43.42 – V C57
2018-09-29 20:44:40 s 1 -194983.06 3 +274149.24 2680.0 – C57
2018-09-29 22:14:40 S 00 59 30.545 -19 16 20.35 – V C57
2018-09-29 22:14:40 s 1 -196772.35 0 +270247.84 9510.0 – C57
2018-09-29 22:44:40 S 00 59 29.210 -19 16 29.28 – V C57
2018-09-29 22:44:40 s 1 -197356.09 2 +268929.61 9810.0 – C57
2018-09-29 23:44:40 S 00 59 26.731 -19 16 54.34 – V C57
2018-09-29 23:44:40 s 1 -198504.23 1 +266266.49 660.0 – C57
2018-09-30 01:44:40 S 00 59 21.590 -19 17 48.26 – V C57
2018-09-30 01:44:40 s 1 -200721.61 2 +260833.52 5120.0 – C57
2018-09-30 02:44:40 S 00 59 19.070 -19 18 10.08 – V C57
2018-09-30 02:44:40 s 1 -201789.97 0 +258063.63 3830.0 – C57
2018-09-30 03:14:40 S 00 59 18.053 -19 18 22.32 – V C57
2018-09-30 03:14:40 s 1 -202313.86 7 +256665.32 4970.0 – C57
2018-09-30 03:44:40 S 00 59 16.697 -19 18 36.04 – V C57
2018-09-30 03:44:40 s 1 -202830.83 3 +255258.11 190.0 – C57
2018-09-30 04:44:40 S 00 59 14.251 -19 18 56.48 – V C57
2018-09-30 04:44:40 s 1 -203843.73 6 +252416.94 1630.0 – C57
2018-09-30 11:14:40 S 00 58 57.782 -19 21 29.95 – V C57
2018-09-30 11:14:40 s 1 -209712.21 3 +233079.09 670.0 – C57
2018-09-30 11:44:40 S 00 58 56.410 -19 21 45.00 – V C57
2018-09-30 11:44:40 s 1 -210109.86 8 +231529.02 4770.0 – C57
2018-09-30 12:14:40 S 00 58 55.428 -19 21 58.79 – V C57
2018-09-30 12:14:40 s 1 -210499.50 4 +229970.01 6930.0 – C57
2018-09-30 12:44:40 S 00 58 53.971 -19 22 11.21 – V C57
2018-09-30 12:44:40 s 1 -210881.05 0 +228402.05 6760.0 – C57
2018-09-30 13:14:40 S 00 58 53.045 -19 22 24.71 – V C57
2018-09-30 13:14:40 s 1 -211254.43 5 +226825.15 3850.0 – C57