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
2018-10-11 21:44:40 s 1 -93434.101 0 +366269.87 7090.0 – C57
2018-10-12 01:14:40 S 00 45 57.691 -21 04 36.70 – V C57
2018-10-12 01:14:40 s 1 -100590.08 5 +363626.80 2750.0 – C57
2018-10-12 01:44:40 S 00 45 55.639 -21 04 48.79 – V C57
2018-10-12 01:44:40 s 1 -101602.61 6 +363214.25 2250.0 – C57
2018-10-12 02:14:40 S 00 45 54.562 -21 04 54.30 – V C57
2018-10-12 02:14:40 s 1 -102612.63 2 +362792.97 9880.0 – C57
2018-10-12 03:14:40 S 00 45 51.941 -21 05 11.62 – V C57
2018-10-12 03:14:40 s 1 -104625.01 1 +361924.21 8930.0 – C57
2018-10-12 03:44:40 S 00 45 50.376 -21 05 20.58 – V C57
2018-10-12 03:44:40 s 1 -105627.32 3 +361476.73 40.0 – C57
2018-10-12 04:14:40 S 00 45 49.099 -21 05 25.12 – V C57
2018-10-12 04:14:40 s 1 -106627.01 4 +361020.53 8650.0 – C57
2018-10-12 04:44:40 S 00 45 48.019 -21 05 36.24 – V C57
2018-10-12 04:44:40 s 1 -107624.05 8 +360555.60 4620.0 – C57
2018-10-12 06:14:40 S 00 45 43.248 -21 06 00.65 – V C57
2018-10-12 06:14:40 s 1 -110599.04 1 +359108.47 5070.0 – C57
2018-10-12 06:44:40 S 00 45 42.341 -21 06 06.23 – V C57
2018-10-12 06:44:40 s 1 -111585.23 0 +358608.65 8880.0 – C57
2018-10-12 07:14:40 S 00 45 40.618 -21 06 14.80 – V C57
2018-10-12 07:14:40 s 1 -112568.63 9 +358100.11 9250.0 – C57
2018-10-12 08:44:40 S 00 45 36.430 -21 06 37.87 – V C57
2018-10-12 08:44:40 s 1 -115501.91 0 +356522.16 8120.0 – C57
2018-10-12 09:14:40 S 00 45 35.102 -21 06 47.74 – V C57
2018-10-12 09:14:40 s 1 -116473.92 4 +355978.74 3140.0 – C57
2018-10-12 10:14:40 S 00 45 32.102 -21 07 04.08 – V C57
2018-10-12 10:14:40 s 1 -118409.17 3 +354865.75 290.0 – C57
2018-10-12 11:14:40 S 00 45 29.784 -21 07 19.96 – V C57
2018-10-12 11:14:40 s 1 -120332.53 2 +353717.88 9180.0 – C57
2018-10-12 12:44:40 S 00 45 25.644 -21 07 44.29 – V C57
2018-10-12 12:44:40 s 1 -123194.78 8 +351930.68 410.0 – C57
2018-10-12 13:14:40 S 00 45 24.022 -21 07 50.99 – V C57
2018-10-12 13:14:40 s 1 -124142.68 4 +351317.51 6940.0 – C57
2018-10-12 13:44:40 S 00 45 22.589 -21 07 56.68 – V C57
2018-10-12 13:44:40 s 1 -125087.43 8 +350695.62 7910.0 – C57
2018-10-12 14:14:40 S 00 45 20.933 -21 08 07.26 – V C57
2018-10-12 14:14:40 s 1 -126029.02 2 +350065.01 3170.0 – C57
2018-10-12 15:40:45 C 00 45 39.99 -21 09 11.1 – q D29
2018-10-12 15:44:40 S 00 45 17.297 -21 08 31.34 – V C57
2018-10-12 15:44:40 s 1 -128834.46 2 +348120.83 2930.0 – C57
2018-10-12 16:01:07 C 00 45 39.01 -21 09 16.9 – q D29
2018-10-12 16:14:40 S 00 45 15.622 -21 08 39.34 – V C57
2018-10-12 16:14:40 s 1 -129763.07 4 +347455.32 3620.0 – C57
2018-10-12 16:21:29 C 00 45 38.01 -21 09 22.7 – q D29
2018-10-12 16:44:40 S 00 45 14.402 -21 08 41.03 – V C57
2018-10-12 16:44:40 s 1 -130688.36 9 +346781.08 7750.0 – C57
2018-10-12 17:44:40 S 00 45 11.669 -21 09 03.06 – V C57
2018-10-12 17:44:40 s 1 -132528.89 1 +345406.42 5630.0 – C57
2018-10-12 18:14:40 S 00 45 10.313 -21 09 10.48 – V C57
2018-10-12 18:14:40 s 1 -133444.05 9 +344705.99 9040.0 – C57