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
2018-10-12 18:44:40 S 00 45 08.964 -21 09 12.71 – V C57
2018-10-12 18:44:40 s 1 -134355.79 0 +343996.83 5190.0 – C57
2018-10-12 20:44:40 S 00 45 03.300 -21 09 46.37 – V C57
2018-10-12 20:44:40 s 1 -137967.74 6 +341072.80 3750.0 – C57
2018-10-12 21:14:40 S 00 45 01.901 -21 09 54.36 – V C57
2018-10-12 21:14:40 s 1 -138861.83 8 +340319.93 1000.0 – C57
2018-10-12 21:44:40 S 00 45 00.710 -21 09 59.76 – V C57
2018-10-12 21:44:40 s 1 -139752.31 0 +339558.32 9930.0 – C57
2018-10-12 22:14:40 S 00 44 59.256 -21 10 10.70 – V C57
2018-10-12 22:14:40 s 1 -140639.12 9 +338787.96 370.0 – C57
2018-10-12 22:44:40 S 00 44 58.241 -21 10 19.74 – V C57
2018-10-12 22:44:40 s 1 -141522.26 4 +338008.84 2140.0 – C57
2018-10-12 23:14:40 S 00 44 56.146 -21 10 23.99 – V C57
2018-10-12 23:14:40 s 1 -142401.68 3 +337220.97 5040.0 – C57
2018-10-12 23:44:40 S 00 44 55.337 -21 10 30.11 – V C57
2018-10-12 23:44:40 s 1 -143277.35 4 +336424.34 8910.0 – C57
2018-10-13 00:14:40 S 00 44 53.702 -21 10 40.91 – V C57
2018-10-13 00:14:40 s 1 -144149.24 4 +335618.95 3550.0 – C57
2018-10-13 01:44:40 S 00 44 49.656 -21 11 03.16 – V C57
2018-10-13 01:44:40 s 1 -146741.90 6 +333150.18 260.0 – C57
2018-10-13 02:14:40 S 00 44 48.262 -21 11 09.49 – V C57
2018-10-13 02:14:40 s 1 -147598.34 8 +332309.71 6140.0 – C57
2018-10-13 02:44:40 S 00 44 46.997 -21 11 18.92 – V C57
2018-10-13 02:44:40 s 1 -148450.84 3 +331460.46 1860.0 – C57
2018-10-13 03:14:40 S 00 44 45.818 -21 11 28.36 – V C57
2018-10-13 03:14:40 s 1 -149299.36 0 +330602.43 7220.0 – C57
2018-10-13 03:44:40 S 00 44 44.506 -21 11 35.63 – V C57
2018-10-13 03:44:40 s 1 -150143.86 4 +329735.61 2040.0 – C57
2018-10-13 04:14:40 S 00 44 42.694 -21 11 41.10 – V C57
2018-10-13 04:14:40 s 1 -150984.32 0 +328860.00 6130.0 – C57
2018-10-13 06:14:40 S 00 44 37.658 -21 12 12.78 – V C57
2018-10-13 06:14:40 s 1 -154304.98 3 +325269.59 1160.0 – C57
2018-10-13 06:44:40 S 00 44 36.010 -21 12 25.78 – V C57
2018-10-13 06:44:40 s 1 -155124.68 2 +324349.97 8600.0 – C57
2018-10-13 07:44:40 S 00 44 33.149 -21 12 39.53 – V C57
2018-10-13 07:44:40 s 1 -156751.27 1 +322484.28 7500.0 – C57
2018-10-13 08:14:40 S 00 44 32.136 -21 12 41.22 – V C57
2018-10-13 08:14:40 s 1 -157558.08 8 +321538.20 8560.0 – C57
2018-10-13 08:44:40 S 00 44 30.746 -21 12 52.52 – V C57
2018-10-13 08:44:40 s 1 -158360.54 0 +320583.29 7070.0 – C57
2018-10-13 11:44:40 S 00 44 22.673 -21 13 35.98 – V C57
2018-10-13 11:44:40 s 1 -163081.46 0 +314668.11 3120.0 – C57
2018-10-13 12:14:40 S 00 44 21.120 -21 13 46.42 – V C57
2018-10-13 12:14:40 s 1 -163852.29 5 +313651.25 7970.0 – C57
2018-10-13 13:14:40 S 00 44 18.490 -21 14 01.10 – V C57
2018-10-13 13:14:40 s 1 -165379.91 3 +311590.90 4710.0 – C57
2018-10-13 13:44:40 S 00 44 17.249 -21 14 06.65 – V C57
2018-10-13 13:44:40 s 1 -166136.61 8 +310547.40 6170.0 – C57
2018-10-13 14:14:40 S 00 44 15.814 -21 14 12.66 – V C57
2018-10-13 14:14:40 s 1 -166888.53 3 +309495.01 2710.0 – C57