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
2018-10-13 15:14:40 S 00 44 13.090 -21 14 26.81 – V C57
2018-10-13 15:14:40 s 1 -168377.83 2 +307363.55 170.0 – C57
2018-10-13 16:44:40 S 00 44 09.031 -21 14 52.76 – V C57
2018-10-13 16:44:40 s 1 -170574.83 5 +304099.52 3820.0 – C57
2018-10-13 17:14:40 S 00 44 07.819 -21 14 56.98 – V C57
2018-10-13 17:14:40 s 1 -171297.14 9 +302993.67 6090.0 – C57
2018-10-13 17:44:40 S 00 44 06.065 -21 15 04.32 – V C57
2018-10-13 17:44:40 s 1 -172014.38 3 +301878.88 1840.0 – C57
2018-10-13 18:14:40 S 00 44 04.963 -21 15 11.30 – V C57
2018-10-13 18:14:40 s 1 -172726.49 3 +300755.15 800.0 – C57
2018-10-13 19:44:40 S 00 44 00.840 -21 15 36.00 – V C57
2018-10-13 19:44:40 s 1 -174831.64 4 +297330.26 4640.0 – C57
2018-10-13 20:44:40 S 00 43 58.142 -21 15 46.51 – V C57
2018-10-13 20:44:40 s 1 -176208.65 0 +295002.18 5500.0 – C57
2018-10-13 21:44:40 S 00 43 55.776 -21 16 00.34 – V C57
2018-10-13 21:44:40 s 1 -177564.09 1 +292638.18 3320.0 – C57
2018-10-13 22:14:40 S 00 43 53.962 -21 16 11.53 – V C57
2018-10-13 22:14:40 s 1 -178233.61 0 +291442.68 9200.0 – C57
2018-10-13 22:44:40 S 00 43 53.124 -21 16 21.25 – V C57
2018-10-13 22:44:40 s 1 -178897.59 8 +290238.19 6040.0 – C57
2018-10-13 23:14:40 S 00 43 51.626 -21 16 26.76 – V C57
2018-10-13 23:14:40 s 1 -179556.00 8 +289024.68 3590.0 – C57
2018-10-13 23:44:40 S 00 43 50.494 -21 16 37.63 – V C57
2018-10-13 23:44:40 s 1 -180208.79 1 +287802.16 1570.0 – C57
2018-10-14 00:14:40 S 00 43 49.082 -21 16 41.52 – V C57
2018-10-14 00:14:40 s 1 -180855.90 1 +286570.61 9710.0 – C57
2018-10-14 00:44:40 S 00 43 47.626 -21 16 52.25 – V C57
2018-10-14 00:44:40 s 1 -181497.28 7 +285330.03 7750.0 – C57
2018-10-14 01:44:40 S 00 43 45.089 -21 17 05.06 – V C57
2018-10-14 01:44:40 s 1 -182762.69 1 +282821.74 2420.0 – C57
2018-10-14 03:14:40 S 00 43 41.186 -21 17 25.80 – V C57
2018-10-14 03:14:40 s 1 -184616.62 1 +278991.38 6690.0 – C57
2018-10-14 03:44:40 S 00 43 39.722 -21 17 34.98 – V C57
2018-10-14 03:44:40 s 1 -185222.61 1 +277696.44 8240.0 – C57
2018-10-14 04:14:40 S 00 43 37.994 -21 17 38.04 – V C57
2018-10-14 04:14:40 s 1 -185822.52 2 +276392.42 7710.0 – C57
2018-10-14 04:44:40 S 00 43 37.142 -21 17 44.48 – V C57
2018-10-14 04:44:40 s 1 -186416.29 9 +275079.30 4800.0 – C57
2018-10-14 05:14:40 S 00 43 35.770 -21 17 56.76 – V C57
2018-10-14 05:14:40 s 1 -187003.89 0 +273757.08 9210.0 – C57
2018-10-14 06:14:40 S 00 43 32.899 -21 18 12.06 – V C57
2018-10-14 06:14:40 s 1 -188160.29 2 +271085.30 8790.0 – C57
2018-10-14 06:44:40 S 00 43 32.054 -21 18 19.80 – V C57
2018-10-14 06:44:40 s 1 -188728.99 3 +269735.72 3350.0 – C57
2018-10-14 08:14:40 S 00 43 27.650 -21 18 41.94 – V C57
2018-10-14 08:14:40 s 1 -190396.42 2 +265632.15 2350.0 – C57
2018-10-14 09:44:40 S 00 43 24.084 -21 19 02.03 – V C57
2018-10-14 09:44:40 s 1 -192004.62 8 +261446.14 7600.0 – C57
2018-10-14 10:42:16 C 00 43 39.19 -21 21 02.3 – U T05
2018-10-14 10:44:40 S 00 43 21.295 -21 19 14.95 – V C57