1999 XH50

1999XH50, 2002 LJ17, 2002LJ17, 97221, J99X50H, K02L17J

All data for this body: [vot]

MPC data
Name (number) 1999 XH50 (97221)
a 2.54926
e 0.17383
i / sin(i) 4.2290 / 0.07374
q 2.10613
Q 2.99239
ω 250.0705
Node 72.1794
m 168.4203
n 0.2421
Epoch 2460800.5
nobs 1249
nopp 20
Years observed 1995-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.550
ep 0.152
sin(ip) 0.061
G 0.150
H 15.950
Mass
D 3.86 0.107
pV 0.067 0.0098
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5496 0.1521 0.0612 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.84 0.114 0.114 Masiero 2011ApJ...741...68M NEATM
4.02 0.314 0.314 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0170 0.0170 Masiero 2011ApJ...741...68M NEATM
0.069 0.0120 0.0120 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
15.95 MPC-2023-12-04 MPC-2023-12-04 Phot