Matthewizawa

08998, 1981EG23, J81E23G

All data for this body: [vot]

MPC data
Name (number) Matthewizawa (8998)
Packed designation 08998
a 3.19971
e 0.18351
i / sin(i) 0.9062 / 0.01581
q 2.61252
Q 3.78691
ω 99.8733
Node 3.0714
m 97.1346
n 0.1722
Epoch 2459600.5
nobs 2185
nopp 22
Years observed 1981-2021
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.226
ep 0.156
sin(ip) 0.028
Value Standard error
G 0.150
H 13.730
Mass
D 8.97 0.136
pV 0.094 0.0123
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.7400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2258 0.1564 0.0276 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.36 0.262 0.262 Masiero 2011ApJ...741...68M NEATM
9.20 0.159 0.159 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.083 0.0198 0.0198 Masiero 2011ApJ...741...68M NEATM
0.101 0.0158 0.0158 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.73 MPC-2022-01-18 MPC-2022-01-18 Phot