1999 XJ51

1999XJ51, J99X51J, N4121

All data for this body: [vot]

MPC data
Name (number) 1999 XJ51 (234121)
a 2.73452
e 0.23441
i / sin(i) 16.0516 / 0.27650
q 2.09353
Q 3.37551
ω 346.7356
Node 69.2182
m 100.2487
n 0.2180
Epoch 2460200.5
nobs 827
nopp 13
Years observed 1999-2023
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.733
ep 0.236
sin(ip) 0.245
Value Standard error
G 0.150
H 15.410
Mass
D 5.96 0.135
pV 0.050 0.0039
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7331 0.2362 0.2448 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.82 0.201 0.201 Masiero 2011ApJ...741...68M NEATM
6.07 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
6.10 1.660 1.660 Masiero 2020PSJ.....1....5M NEATM
6.42 1.430 1.430 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0240 0.0240 Masiero 2020PSJ.....1....5M NEATM
0.039 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.048 0.0059 0.0059 Masiero 2011ApJ...741...68M NEATM
0.052 0.0055 0.0055 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
15.41 MPC-2023-12-04 MPC-2023-12-04 Phot