1998 UP18

1998UP18, 1980 RW5, 1980RW5, 27090, J80R05W, J98U18P

All data for this body: [vot]

MPC data
Name (number) 1998 UP18 (27090)
a 2.31474
e 0.08495
i / sin(i) 5.5049 / 0.09593
q 2.11809
Q 2.51138
ω 158.0140
Node 261.1688
m 188.2560
n 0.2799
Epoch 2460800.5
nobs 3663
nopp 22
Years observed 1980-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.314
ep 0.090
sin(ip) 0.108
G 0.150
H 14.480
Mass
D 3.19 0.538
pV 0.398 0.0820
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 5.478
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3145 0.0896 0.1078 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.19 0.538 0.538 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.398 0.0820 0.0820 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
14.48 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 0.913 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT