2004 HL18

2004HL18, K04H18L, N2745

All data for this body: [vot]

MPC data
Name (number) 2004 HL18 (232745)
a 3.32906
e 0.16052
i / sin(i) 23.4648 / 0.39819
q 2.79468
Q 3.86344
ω 135.1535
Node 52.8170
m 198.3722
n 0.1623
Epoch 2460800.5
nobs 704
nopp 16
Years observed 2002-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.276
ep 0.314
sin(ip) 0.291
G 0.150
H 14.960
Mass
D 5.37 0.138
pV 0.089 0.0040
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 0.869
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2762 0.3138 0.2914 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.36 0.158 0.158 Masiero 2011ApJ...741...68M NEATM
5.39 0.282 0.282 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.088 0.0213 0.0213 Masiero 2011ApJ...741...68M NEATM
0.089 0.0041 0.0041 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
14.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.1448 0.1448 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT