1999 WN9

1999WN9, 1994 ND9, 1994ND9, 45029, J94N09D, J99W09N

All data for this body: [vot]

MPC data
Name (number) 1999 WN9 (45029)
a 2.55505
e 0.14716
i / sin(i) 1.9969 / 0.03485
q 2.17904
Q 2.93105
ω 197.0816
Node 133.0075
m 160.9131
n 0.2413
Epoch 2460800.5
nobs 2252
nopp 21
Years observed 1994-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.555
ep 0.105
sin(ip) 0.022
G 0.150
H 15.030
Mass
D 2.96 0.336
pV 0.260 0.0798
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5555 0.1046 0.0218 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.94 0.400 0.400 Masiero 2012ApJ...759L...8M NEATM
3.01 0.617 0.617 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.234 0.1557 0.1557 Masiero 2011ApJ...741...68M NEATM
0.269 0.0930 0.0930 Masiero 2012ApJ...759L...8M 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
15.03 MPC-2023-12-04 MPC-2023-12-04 Phot