1999 XG40

1999XG40, 41248, J99X40G

All data for this body: [vot]

MPC data
Name (number) 1999 XG40 (41248)
a 2.93479
e 0.07524
i / sin(i) 1.9616 / 0.03423
q 2.71396
Q 3.15561
ω 11.3097
Node 346.3567
m 68.4454
n 0.1960
Epoch 2460800.5
nobs 2037
nopp 22
Years observed 1998-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.932
ep 0.044
sin(ip) 0.045
G 0.150
H 14.340
Mass
D 4.78 0.322
pV 0.177 0.0569
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9321 0.0439 0.0454 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.78 0.322 0.322 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.177 0.0569 0.0569 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
14.34 MPC-2023-12-04 MPC-2023-12-04 Phot