2004 HU18

2004HU18, 1999 LT18, 1999LT18, J99L18T, K04H18U, K9479

All data for this body: [vot]

MPC data
Name (number) 2004 HU18 (209479)
a 3.10688
e 0.19135
i / sin(i) 24.5665 / 0.41575
q 2.51239
Q 3.70138
ω 4.1039
Node 249.0274
m 254.8170
n 0.1800
Epoch 2460800.5
nobs 619
nopp 20
Years observed 1999-2024
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.106
ep 0.287
sin(ip) 0.402
G 0.150
H 14.700
Mass
D 6.62 0.264
pV 0.070 0.0083
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1063 0.2873 0.4023 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.62 0.264 0.264 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0083 0.0083 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
14.70 MPC-2023-12-04 MPC-2023-12-04 Phot