2001XH21

F8340, K01X21H

All data for this body: [vot]

MPC data
Name (number) 2001XH21 (158340)
Packed designation F8340
a 2.57446
e 0.16165
i / sin(i) 8.9078 / 0.15485
q 2.15830
Q 2.99061
ω 91.1168
Node 56.9858
m 271.0467
n 0.2386
Epoch 2459600.5
nobs 773
nopp 14
Years observed 2001-2021
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.576
ep 0.192
sin(ip) 0.146
Value Standard error
G 0.150
H 15.700
Mass
D 3.94 0.145
pV 0.086 0.0139
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5759 0.1923 0.1457 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.94 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.086 0.0139 0.0139 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
15.70 MPC-2022-01-18 MPC-2022-01-18 Phot