1999XW54

66969, J99X54W

All data for this body: [vot]

MPC data
Name (number) 1999XW54 (66969)
Packed designation 66969
a 2.85520
e 0.02025
i / sin(i) 1.6053 / 0.02801
q 2.79739
Q 2.91301
ω 213.8590
Node 188.2412
m 234.5934
n 0.2043
Epoch 2459600.5
nobs 1338
nopp 18
Years observed 1994-2021
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.857
ep 0.023
sin(ip) 0.035
Value Standard error
G 0.150
H 14.950
Mass
D 3.27 0.527
pV 0.218 0.0711
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8568 0.0233 0.0350 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.27 0.527 0.527 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.218 0.0711 0.0711 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
14.95 MPC-2022-01-18 MPC-2022-01-18 Phot