Steed

13715, 1990 UB5, 1990UB5, 1992 EB35, 1992EB35, 1998 QK39, 1998QK39, J90U05B, J92E35B, J98Q39K

All data for this body: [vot]

MPC data
Name (number) Steed (13715)
a 2.59394
e 0.15186
i / sin(i) 5.8828 / 0.10249
q 2.20003
Q 2.98784
ω 250.2420
Node 117.4856
m 115.0791
n 0.2359
Epoch 2460800.5
nobs 1603
nopp 23
Years observed 1990-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.595
ep 0.194
sin(ip) 0.086
G 0.150
H 15.170
Mass
D 5.29 0.347
pV 0.044 0.0110
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 4.746
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5947 0.1935 0.0863 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.03 0.378 0.378 Masiero 2011ApJ...741...68M NEATM
6.28 1.730 1.730 Masiero 2021PSJ.....2..162M NEATM
6.39 2.198 2.198 Masiero 2017AJ....154..168M NEATM
6.43 2.010 2.010 Nugent 2016AJ....152...63N NEATM
7.17 1.370 1.370 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.031 0.0130 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.041 0.0241 0.0241 Masiero 2017AJ....154..168M NEATM
0.041 0.0200 0.0370 Masiero 2021PSJ.....2..162M NEATM
0.092 0.0302 0.0302 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
15.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.791 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT