2011HY21

2005ES290, 2010GH78, K05ET0S, K10G78H, K11H21Y, S1988

All data for this body: [vot]

MPC data
Name (number) 2011HY21 (281988)
Packed designation S1988
a 3.11050
e 0.09597
i / sin(i) 11.0094 / 0.19097
q 2.81199
Q 3.40902
ω 351.2466
Node 188.8538
m 17.4489
n 0.1797
Epoch 2459600.5
nobs 247
nopp 11
Years observed 2005-2021
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.113
ep 0.129
sin(ip) 0.190
Value Standard error
G 0.150
H 16.060
Mass
D 4.65 0.242
pV 0.051 0.0131
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1132 0.1293 0.1896 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.65 0.242 0.242 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0131 0.0131 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
16.06 MPC-2022-01-18 MPC-2022-01-18 Phot