1999 XC42

1999XC42, 49809, J99X42C

All data for this body: [vot]

MPC data
Name (number) 1999 XC42 (49809)
a 2.26762
e 0.10842
i / sin(i) 5.2154 / 0.09090
q 2.02176
Q 2.51347
ω 227.1937
Node 42.5841
m 299.2913
n 0.2886
Epoch 2460800.5
nobs 2301
nopp 21
Years observed 1991-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.268
ep 0.104
sin(ip) 0.084
G 0.150
H 15.130
Mass
D 2.15 0.370
pV 0.458 0.2357
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2679 0.1044 0.0839 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.15 0.370 0.370 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.458 0.2357 0.2357 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
15.13 MPC-2023-12-04 MPC-2023-12-04 Phot