1998 YH18

1998YH18, 2000 EZ151, 2000EZ151, 49451, J98Y18H, K00EF1Z

All data for this body: [vot]

MPC data
Name (number) 1998 YH18 (49451)
a 2.59685
e 0.11656
i / sin(i) 4.3504 / 0.07586
q 2.29417
Q 2.89953
ω 108.5678
Node 201.1349
m 214.6494
n 0.2355
Epoch 2460800.5
nobs 1252
nopp 22
Years observed 1992-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.598
ep 0.155
sin(ip) 0.081
G 0.150
H 15.400
Mass
D 2.37 0.262
pV 0.218 0.0728
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5980 0.1549 0.0810 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.37 0.262 0.262 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.218 0.0728 0.0728 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
15.40 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
V V DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT