Zao

05751, 1989 EN1, 1989EN1, 1992 AC, 1992AC, J89E01N, J92A00C

All data for this body: [vot]

MPC data
Name (number) Zao (5751)
a 2.10159
e 0.42540
i / sin(i) 16.0732 / 0.27687
q 1.20758
Q 2.99560
ω 25.4465
Node 121.6284
m 319.0864
n 0.3235
Epoch 2460800.5
nobs 2575
nopp 25
Years observed 1989-2024
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.123
ep 0.398
sin(ip) 0.240
G 0.150
H 14.940
Mass
D 2.30
pV
Value
Rotational Period 76.000
Period quality 2
Spectral Class X
Spectral Class Score 34.800
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1228 0.3984 0.2399 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.30 nan nan Delbo 2003Icar..166..116D RADIOMETRY_NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.7 1 Synodic Pravec 1997Icar..130..275P Lightcurve
25.7964 2 Synodic Pal 2020ApJS..247...26P Lightcurve
76.0 2 Synodic Pravec LCDB Lightcurve
76.0 2 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.970000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S X 0.520000 0.470000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Angeli 2002A&A...391..757A SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Bus VISNIR Binzel 2004Icar..170..259B SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.860000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X D 0.700000 0.210000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
K Bus VIS Binzel 2019Icar..324...41B SPEC
K Bus VISNIR Lazzarin 2004Icar..169..373L SPEC