Stephensmith

09891, 1978 WK16, 1978WK16, 1993 GU, 1993GU, 1995 XN1, 1995XN1, J78W16K, J93G00U, J95X01N

All data for this body: [vot]

MPC data
Name (number) Stephensmith (9891)
a 2.59521
e 0.13489
i / sin(i) 14.1434 / 0.24435
q 2.24515
Q 2.94528
ω 176.9454
Node 72.3974
m 214.2581
n 0.2357
Epoch 2460800.5
nobs 5389
nopp 24
Years observed 1978-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.593
ep 0.158
sin(ip) 0.221
G 0.150
H 12.940
Mass
D 7.68 0.120
pV 0.241 0.0138
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.964
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 -0.7700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5934 0.1584 0.2206 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.68 0.120 0.120 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.241 0.0138 0.0138 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
12.94 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
S 0.994 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT