1998 SD12

1998SD12, D6985, J98S12D

All data for this body: [vot]

MPC data
Name (number) 1998 SD12 (136985)
a 2.54615
e 0.21538
i / sin(i) 18.7328 / 0.32116
q 1.99777
Q 3.09453
ω 174.7135
Node 200.5154
m 55.0570
n 0.2426
Epoch 2460200.5
nobs 825
nopp 17
Years observed 1998-2023
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Gersuind (686)
 
ap 2.548
ep 0.187
sin(ip) 0.311
Value Standard error
G 0.150
H 15.950
Mass
D 2.26 0.621
pV 0.181 0.0974
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
686 Gersuind 804 Gersuind Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5482 0.1866 0.3106 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.26 0.621 0.621 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.181 0.0974 0.0974 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
15.95 MPC-2023-12-04 MPC-2023-12-04 Phot