Zhoushan

04925, 1954 RL, 1954RL, 1981 XH2, 1981XH2, J54R00L, J81X02H

All data for this body: [vot]

MPC data
Name (number) Zhoushan (4925)
a 3.04255
e 0.25098
i / sin(i) 8.3502 / 0.14522
q 2.27893
Q 3.80618
ω 140.0361
Node 243.1831
m 80.7301
n 0.1857
Epoch 2460800.5
nobs 4462
nopp 29
Years observed 1954-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.048
ep 0.211
sin(ip) 0.163
G 0.150
H 11.990
Mass
D 14.45 0.140
pV 0.188 0.0206
Value
Rotational Period 7.865
Period quality 3
Spectral Class Xe
Spectral Class Score 9.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0480 0.2113 0.1630 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.42 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
14.99 3.000 3.000 Ali-Lagoa 2018A&A...612A..85A NEATM
15.29 0.760 0.760 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.146 0.0580 0.0580 Ali-Lagoa 2018A&A...612A..85A NEATM
0.195 0.0220 0.0220 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
11.99 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.8656 3 Synodic Galad 2010MPBu...37....9G Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.283 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
M K 0.540000 0.320000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.5426 0.5426 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xe Bus-DeMeo VISNIR Hasegawa 2021PASJ...73..240H PHOT
XL 0.62 Bus VIS Carvano 2010A&A...510A..43C PHOT