Zhaojiuzhang

07811, 1982 DT6, 1982DT6, 1991 GX, 1991GX, 1995 BS2, 1995BS2, J82D06T, J91G00X, J95B02S

All data for this body: [vot]

MPC data
Name (number) Zhaojiuzhang (7811)
a 2.67953
e 0.10369
i / sin(i) 13.5495 / 0.23428
q 2.40167
Q 2.95738
ω 19.2600
Node 121.5058
m 320.7217
n 0.2247
Epoch 2460800.5
nobs 6332
nopp 27
Years observed 1982-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.678
ep 0.143
sin(ip) 0.217
G 0.150
H 13.340
Mass
D 7.27 0.242
pV 0.254 0.0400
Value
Rotational Period 3.350
Period quality 2
Spectral Class S
Spectral Class Score 1.386
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.4800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6777 0.1430 0.2170 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.27 0.242 0.242 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.254 0.0400 0.0400 Masiero 2011ApJ...741...68M 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
13.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.354 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.355703 2 Sidereal Durech 2018A&A...617A..57D Model
3.355704 2 Sidereal Durech 2020A&A...643A..59D Model
3.356 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.231 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT