1999 XJ122

1999XJ122, 2003 YU78, 2003YU78, H5895, J99XC2J, K03Y78U

All data for this body: [vot]

MPC data
Name (number) 1999 XJ122 (175895)
a 2.40875
e 0.16519
i / sin(i) 9.5853 / 0.16652
q 2.01086
Q 2.80665
ω 138.9880
Node 287.5827
m 281.3899
n 0.2636
Epoch 2460800.5
nobs 728
nopp 14
Years observed 1999-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.409
ep 0.171
sin(ip) 0.179
G 0.150
H 16.510
Mass
D 2.66 0.063
pV 0.060 0.0108
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4086 0.1714 0.1792 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.65 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
3.47 1.030 1.030 Masiero 2020PSJ.....1....5M NEATM
3.66 1.260 1.260 Nugent 2016AJ....152...63N NEATM
3.95 1.240 1.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.034 0.0280 0.0280 Masiero 2012ApJ...759L...8M NEATM
0.044 0.0350 0.0350 Masiero 2020PSJ.....1....5M NEATM
0.091 0.0158 0.0158 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
16.51 MPC-2023-12-04 MPC-2023-12-04 Phot