1998 SD163

1998SD163, 2002 HJ3, 2002HJ3, J98SG3D, K02H03J, Z6998

All data for this body: [vot]

MPC data
Name (number) 1998 SD163 (356998)
a 3.12037
e 0.22108
i / sin(i) 25.8740 / 0.43639
q 2.43052
Q 3.81022
ω 278.2239
Node 30.6055
m 348.1859
n 0.1788
Epoch 2460800.5
nobs 637
nopp 16
Years observed 1998-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Euphrosyne (31)
 
ap 3.121
ep 0.186
sin(ip) 0.446
G 0.150
H 14.880
Mass
D 7.17 0.356
pV 0.050 0.0103
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 2.820
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 0 Euphrosyne Novakovic 2019EPSC...13.1671N HCM
31 Euphrosyne 901 Euphrosyne Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1211 0.1860 0.4459 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.17 0.356 0.356 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0103 0.0103 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
14.88 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
X X 0.4700 0.4700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT