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
2018-09-24 00:44:41 s 1 +91148.704 0 +276636.72 8510.0 – C57
2018-09-24 02:14:41 S 01 05 31.824 -18 16 33.02 – V C57
2018-09-24 02:14:41 s 1 +88073.436 0 +280854.52 8330.0 – C57
2018-09-24 04:14:41 S 01 05 26.244 -18 17 27.71 – V C57
2018-09-24 04:14:41 s 1 +83918.661 0 +286304.18 1590.0 – C57
2018-09-24 10:44:41 S 01 05 09.626 -18 20 27.92 – V C57
2018-09-24 10:44:41 s 1 +70039.713 0 +302671.47 7630.0 – C57
2018-09-24 11:14:41 S 01 05 07.865 -18 20 38.72 – V C57
2018-09-24 11:14:41 s 1 +68951.120 0 +303846.97 6290.0 – C57
2018-09-24 12:14:41 S 01 05 05.606 -18 21 04.90 – V C57
2018-09-24 12:14:41 s 1 +66765.950 0 +306162.78 6270.0 – C57
2018-09-24 12:44:41 S 01 05 04.394 -18 21 13.36 – V C57
2018-09-24 12:44:41 s 1 +65669.491 0 +307303.16 8380.0 – C57
2018-09-24 14:44:41 S 01 04 59.278 -18 22 08.80 – V C57
2018-09-24 14:44:41 s 1 +61259.182 0 +311748.64 6490.0 – C57
2018-09-24 15:14:41 S 01 04 57.492 -18 22 24.85 – V C57
2018-09-24 15:14:41 s 1 +60150.768 0 +312831.19 5310.0 – C57
2018-09-24 15:44:41 S 01 04 56.338 -18 22 38.53 – V C57
2018-09-24 15:44:41 s 1 +59040.131 0 +313902.26 4560.0 – C57
2018-09-24 16:14:41 S 01 04 55.025 -18 22 56.50 – V C57
2018-09-24 16:14:41 s 1 +57927.323 0 +314961.91 4630.0 – C57
2018-09-24 17:14:41 S 01 04 52.606 -18 23 18.38 – V C57
2018-09-24 17:14:41 s 1 +55695.409 0 +317047.05 8570.0 – C57
2018-09-24 18:14:41 S 01 04 49.819 -18 23 46.93 – V C57
2018-09-24 18:14:41 s 1 +53455.446 0 +319086.86 9910.0 – C57
2018-09-24 19:14:41 S 01 04 47.208 -18 24 15.26 – V C57
2018-09-24 19:14:41 s 1 +51207.844 0 +321081.62 1380.0 – C57
2018-09-24 20:14:41 S 01 04 44.719 -18 24 40.86 – V C57
2018-09-24 20:14:41 s 1 +48953.002 0 +323031.56 5610.0 – C57
2018-09-24 20:44:41 S 01 04 43.344 -18 24 52.34 – V C57
2018-09-24 20:44:41 s 1 +47822.988 0 +323989.80 8330.0 – C57
2018-09-24 21:14:41 S 01 04 42.043 -18 25 09.48 – V C57
2018-09-24 21:14:41 s 1 +46691.310 0 +324936.94 5220.0 – C57
2018-09-24 21:44:41 S 01 04 40.277 -18 25 21.90 – V C57
2018-09-24 21:44:41 s 1 +45558.015 0 +325873.00 6580.0 – C57
2018-09-24 22:14:41 S 01 04 39.262 -18 25 35.94 – V C57
2018-09-24 22:14:41 s 1 +44423.151 0 +326798.01 2740.0 – C57
2018-09-24 23:14:41 S 01 04 36.838 -18 26 00.71 – V C57
2018-09-24 23:14:41 s 1 +42148.897 0 +328615.01 650.0 – C57
2018-09-24 23:44:41 S 01 04 35.638 -18 26 12.12 – V C57
2018-09-24 23:44:41 s 1 +41009.599 0 +329507.06 3020.0 – C57
2018-09-25 00:44:41 S 01 04 32.957 -18 26 39.73 – V C57
2018-09-25 00:44:41 s 1 +38726.886 0 +331258.40 6080.0 – C57
2018-09-25 01:14:41 S 01 04 31.279 -18 26 53.74 – V C57
2018-09-25 01:14:41 s 1 +37583.559 0 +332117.75 7350.0 – C57
2018-09-25 02:14:40 S 01 04 28.961 -18 27 22.25 – V C57
2018-09-25 02:14:40 s 1 +35293.183 0 +333803.94 850.0 – C57
2018-09-25 03:44:40 S 01 04 25.130 -18 28 03.29 – V C57
2018-09-25 03:44:40 s 1 +31848.951 0 +336252.38 2730.0 – C57
2018-09-25 04:14:41 S 01 04 23.734 -18 28 09.62 – V C57