1999 XJ208

1999XJ208, 41319, J99XK8J

All data for this body: [vot]

MPC data
Name (number) 1999 XJ208 (41319)
a 2.58670
e 0.23845
i / sin(i) 10.9463 / 0.18989
q 1.96989
Q 3.20350
ω 22.2069
Node 283.7691
m 3.9138
n 0.2369
Epoch 2460200.5
nobs 2175
nopp 21
Years observed 1990-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.587
ep 0.222
sin(ip) 0.199
Value Standard error
G 0.150
H 13.900
Mass
D 4.68 0.141
pV 0.291 0.0251
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5871 0.2219 0.1986 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
4.02 0.750 0.750 Nugent 2016AJ....152...63N NEATM
4.34 0.376 0.376 Masiero 2011ApJ...741...68M NEATM
4.76 0.155 0.155 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.283 0.0276 0.0276 Masiero 2011ApJ...741...68M NEATM
0.290 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.340 0.0698 0.0698 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
13.90 MPC-2023-12-04 MPC-2023-12-04 Phot