1998 DS4

1998DS4, 1977 EO2, 1977EO2, 1990 QQ9, 1990QQ9, 1995 OZ7, 1995OZ7, 29559, J77E02O, J90Q09Q, J95O07Z, J98D04S

All data for this body: [vot]

MPC data
Name (number) 1998 DS4 (29559)
a 3.02387
e 0.10028
i / sin(i) 15.9893 / 0.27546
q 2.72063
Q 3.32712
ω 227.0971
Node 151.0399
m 180.6604
n 0.1874
Epoch 2460800.5
nobs 2349
nopp 25
Years observed 1977-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.026
ep 0.062
sin(ip) 0.265
G 0.150
H 13.820
Mass
D 9.94 0.194
pV 0.048 0.0086
Value
Rotational Period 23.520
Period quality 2
Spectral Class C
Spectral Class Score 11.322
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0256 0.0625 0.2645 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.06 1.450 1.450 Masiero 2012ApJ...759L...8M NEATM
14.45 1.040 1.040 Usui 2011PASJ...63.1117U NEATM
14.94 2.990 2.990 Ali-Lagoa 2018A&A...612A..85A NEATM
9.71 0.200 0.200 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.031 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.053 0.0190 0.0190 Masiero 2012ApJ...759L...8M NEATM
0.074 0.0162 0.0162 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
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
23.529 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.4212 0.7050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8024 0.7050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.1658 0.7050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT