2008QH21

b8723, K08Q21H

All data for this body: [vot]

MPC data
Name (number) 2008QH21 (378723)
Packed designation b8723
a 2.77962
e 0.22054
i / sin(i) 7.0474 / 0.12269
q 2.16660
Q 3.39264
ω 157.4201
Node 245.4750
m 278.9247
n 0.2127
Epoch 2459600.5
nobs 171
nopp 9
Years observed 2001-2020
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.780
ep 0.193
sin(ip) 0.136
Value Standard error
G 0.150
H 16.440
Mass
D 3.19 0.571
pV 0.052 0.0183
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7803 0.1930 0.1361 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.19 0.571 0.571 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0183 0.0183 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
16.44 MPC-2022-01-18 MPC-2022-01-18 Phot