2000 QW221

2000QW221, 41526, K00QM1W

All data for this body: [vot]

MPC data
Name (number) 2000 QW221 (41526)
a 2.66937
e 0.29786
i / sin(i) 13.2309 / 0.22888
q 1.87427
Q 3.46447
ω 47.6916
Node 5.1011
m 190.2206
n 0.2260
Epoch 2460800.5
nobs 1645
nopp 17
Years observed 1992-2024
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.668
ep 0.273
sin(ip) 0.237
G 0.150
H 15.110
Mass
D 2.92 0.048
pV 0.224 0.0468
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6676 0.2727 0.2374 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.92 0.048 0.048 Masiero 2011ApJ...741...68M NEATM
3.02 0.640 0.640 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.194 0.0920 0.0920 Masiero 2020PSJ.....1....5M NEATM
0.234 0.0543 0.0543 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
15.11 MPC-2023-12-04 MPC-2023-12-04 Phot