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
2018-09-26 09:44:40 s 1 -37690.519 0 +365843.81 6200.0 – C57
2018-09-26 10:14:41 S 01 03 05.642 -18 41 14.75 – V C57
2018-09-26 10:14:41 s 1 -38839.229 0 +366036.99 6400.0 – C57
2018-09-26 10:44:41 S 01 03 04.382 -18 41 29.83 – V C57
2018-09-26 10:44:41 s 1 -39986.985 0 +366220.70 8080.0 – C57
2018-09-26 11:14:40 S 01 03 02.986 -18 41 45.28 – V C57
2018-09-26 11:14:40 s 1 -41133.760 0 +366394.93 1400.0 – C57
2018-09-26 12:14:41 S 01 03 00.226 -18 42 07.99 – V C57
2018-09-26 12:14:41 s 1 -43424.257 0 +366715.05 3690.0 – C57
2018-09-26 13:14:40 S 01 02 57.552 -18 42 31.07 – V C57
2018-09-26 13:14:40 s 1 -45710.504 0 +366997.46 4670.0 – C57
2018-09-26 13:44:41 S 01 02 56.772 -18 42 46.76 – V C57
2018-09-26 13:44:41 s 1 -46851.967 0 +367124.55 8840.0 – C57
2018-09-26 14:14:40 S 01 02 55.394 -18 43 03.00 – V C57
2018-09-26 14:14:40 s 1 -47992.285 0 +367242.25 5710.0 – C57
2018-09-26 15:14:41 S 01 02 52.831 -18 43 29.64 – V C57
2018-09-26 15:14:41 s 1 -50269.385 0 +367449.55 8180.0 – C57
2018-09-26 15:44:40 S 01 02 51.583 -18 43 38.96 – V C57
2018-09-26 15:44:40 s 1 -51406.113 0 +367539.16 4130.0 – C57
2018-09-26 16:44:41 S 01 02 48.845 -18 44 04.16 – V C57
2018-09-26 16:44:41 s 1 -53675.792 0 +367690.39 6290.0 – C57
2018-09-26 17:14:40 S 01 02 47.429 -18 44 21.19 – V C57
2018-09-26 17:14:40 s 1 -54808.690 0 +367752.02 2840.0 – C57
2018-09-26 17:44:40 S 01 02 46.142 -18 44 34.04 – V C57
2018-09-26 17:44:40 s 1 -55940.259 0 +367804.35 3260.0 – C57
2018-09-26 18:14:41 S 01 02 44.818 -18 44 44.30 – V C57
2018-09-26 18:14:41 s 1 -57070.471 0 +367847.39 7720.0 – C57
2018-09-26 18:44:40 S 01 02 43.738 -18 44 56.11 – V C57
2018-09-26 18:44:40 s 1 -58199.301 0 +367881.15 6380.0 – C57
2018-09-26 19:14:40 S 01 02 42.019 -18 45 09.97 – V C57
2018-09-26 19:14:40 s 1 -59326.723 0 +367905.64 9400.0 – C57
2018-09-26 19:44:41 S 01 02 41.410 -18 45 25.24 – V C57
2018-09-26 19:44:41 s 1 -60452.711 0 +367920.87 6960.0 – C57
2018-09-26 20:44:40 S 01 02 38.498 -18 45 48.53 – V C57
2018-09-26 20:44:40 s 1 -62700.277 0 +367923.61 6330.0 – C57
2018-09-26 23:14:40 S 01 02 31.973 -18 46 52.57 – V C57
2018-09-26 23:14:40 s 1 -68292.260 0 +367769.21 500.0 – C57
2018-09-26 23:44:40 S 01 02 30.840 -18 47 03.37 – V C57
2018-09-26 23:44:40 s 1 -69405.832 0 +367710.77 180.0 – C57
2018-09-27 00:44:40 S 01 02 28.082 -18 47 26.09 – V C57
2018-09-27 00:44:40 s 1 -71627.943 0 +367566.41 7710.0 – C57
2018-09-27 01:14:40 S 01 02 26.952 -18 47 44.05 – V C57
2018-09-27 01:14:40 s 1 -72736.431 0 +367480.51 5870.0 – C57
2018-09-27 02:14:40 S 01 02 24.202 -18 48 07.38 – V C57
2018-09-27 02:14:40 s 1 -74948.141 0 +367281.31 1770.0 – C57
2018-09-27 02:44:40 S 01 02 23.074 -18 48 17.86 – V C57
2018-09-27 02:44:40 s 1 -76051.312 0 +367168.03 9830.0 – C57
2018-09-27 03:14:41 S 01 02 21.768 -18 48 39.17 – V C57
2018-09-27 03:14:41 s 1 -77152.660 0 +367045.64 4850.0 – C57
2018-09-27 06:14:41 S 01 02 14.196 -18 49 46.31 – V C57