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
2018-09-23 06:14:41 s 1 +125208.93 2 +214937.03 0.279 – C57
2018-09-23 06:44:41 S 01 06 22.990 -18 07 32.09 – V C57
2018-09-23 06:44:41 s 1 +124408.11 1 +216850.91 0.856 – C57
2018-09-23 07:44:41 S 01 06 20.155 -18 07 59.23 – V C57
2018-09-23 07:44:41 s 1 +122782.14 6 +220635.99 0.875 – C57
2018-09-23 08:14:41 S 01 06 19.224 -18 08 16.37 – V C57
2018-09-23 08:14:41 s 1 +121957.29 9 +222507.30 0.499 – C57
2018-09-23 08:44:41 S 01 06 17.669 -18 08 30.77 – V C57
2018-09-23 08:44:41 s 1 +121124.73 7 +224364.51 0.653 – C57
2018-09-23 09:14:41 S 01 06 16.409 -18 08 42.94 – V C57
2018-09-23 09:14:41 s 1 +120284.59 9 +226207.67 0.424 – C57
2018-09-23 09:44:41 S 01 06 15.026 -18 08 55.82 – V C57
2018-09-23 09:44:41 s 1 +119437.02 5 +228036.83 0.897 – C57
2018-09-23 10:14:41 S 01 06 13.925 -18 09 14.87 – V C57
2018-09-23 10:14:41 s 1 +118582.15 2 +229852.05 0.158 – C57
2018-09-23 10:44:41 S 01 06 12.775 -18 09 25.92 – V C57
2018-09-23 10:44:41 s 1 +117720.11 3 +231653.35 0.289 – C57
2018-09-23 11:14:41 S 01 06 11.230 -18 09 39.82 – V C57
2018-09-23 11:14:41 s 1 +116851.03 9 +233440.80 0.372 – C57
2018-09-23 11:44:41 S 01 06 10.087 -18 09 52.42 – V C57
2018-09-23 11:44:41 s 1 +115975.05 9 +235214.45 0.488 – C57
2018-09-23 12:14:41 S 01 06 08.165 -18 10 07.57 – V C57
2018-09-23 12:14:41 s 1 +115092.30 0 +236974.33 0.715 – C57
2018-09-23 12:44:41 S 01 06 07.534 -18 10 18.70 – V C57
2018-09-23 12:44:41 s 1 +114202.88 7 +238720.50 0.131 – C57
2018-09-23 13:14:41 S 01 06 05.875 -18 10 35.08 – V C57
2018-09-23 13:14:41 s 1 +113306.94 0 +240453.01 8140.0 – C57
2018-09-23 13:44:41 S 01 06 04.769 -18 10 49.37 – V C57
2018-09-23 13:44:41 s 1 +112404.58 2 +242171.90 8370.0 – C57
2018-09-23 14:14:41 S 01 06 03.264 -18 11 05.96 – V C57
2018-09-23 14:14:41 s 1 +111495.92 8 +243877.22 2750.0 – C57
2018-09-23 14:44:41 S 01 06 01.680 -18 11 17.66 – V C57
2018-09-23 14:44:41 s 1 +110581.09 5 +245569.02 2020.0 – C57
2018-09-23 20:44:41 S 01 05 46.507 -18 14 07.73 – V C57
2018-09-23 20:44:41 s 1 +99160.650 0 +264832.88 3740.0 – C57
2018-09-23 21:14:41 S 01 05 44.947 -18 14 16.48 – V C57
2018-09-23 21:14:41 s 1 +98175.166 0 +266353.13 7750.0 – C57
2018-09-23 21:44:41 S 01 05 43.265 -18 14 36.38 – V C57
2018-09-23 21:44:41 s 1 +97184.931 0 +267860.49 5720.0 – C57
2018-09-23 22:14:41 S 01 05 42.478 -18 14 41.17 – V C57
2018-09-23 22:14:41 s 1 +96190.037 0 +269355.03 8240.0 – C57
2018-09-23 22:44:41 S 01 05 40.627 -18 14 58.85 – V C57
2018-09-23 22:44:41 s 1 +95190.570 0 +270836.77 5860.0 – C57
2018-09-23 23:14:41 S 01 05 39.677 -18 15 14.80 – V C57
2018-09-23 23:14:41 s 1 +94186.618 0 +272305.77 9150.0 – C57
2018-09-23 23:44:41 S 01 05 38.448 -18 15 31.54 – V C57
2018-09-23 23:44:41 s 1 +93178.267 0 +273762.06 8660.0 – C57
2018-09-24 00:14:41 S 01 05 36.802 -18 15 37.84 – V C57
2018-09-24 00:14:41 s 1 +92165.601 0 +275205.70 4930.0 – C57
2018-09-24 00:44:41 S 01 05 35.923 -18 15 50.58 – V C57