Sophocles

02921, 1981 EH18, 1981EH18, 1982 KN2, 1982KN2, 6525 P-L, 6525P-L, J81E18H, J82K02N, PLS6525

All data for this body: [vot]

MPC data
Name (number) Sophocles (2921)
a 3.24608
e 0.15485
i / sin(i) 1.4869 / 0.02595
q 2.74341
Q 3.74875
ω 198.4396
Node 149.7750
m 27.7591
n 0.1685
Epoch 2460800.5
nobs 2708
nopp 34
Years observed 1951-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.222
ep 0.159
sin(ip) 0.021
G 0.150
H 13.540
Mass
D 10.54 0.714
pV 0.084 0.0175
Value
Rotational Period 4.770
Period quality 2
Spectral Class S
Spectral Class Score 5.754
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.8300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2220 0.1591 0.0215 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.54 0.714 0.714 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.084 0.0175 0.0175 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
13.54 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.778 2 Synodic Birlan 1996P&SS...44..555B Lightcurve
5.3 2 Synodic Chang 2016ApJS..227...20C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.959 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT