Armando

14572, 1981 UT21, 1981UT21, 1998 QX54, 1998QX54, J81U21T, J98Q54X

All data for this body: [vot]

MPC data
Name (number) Armando (14572)
a 2.27920
e 0.10540
i / sin(i) 7.6089 / 0.13241
q 2.03898
Q 2.51943
ω 248.8662
Node 191.8559
m 200.7355
n 0.2864
Epoch 2460800.5
nobs 2892
nopp 22
Years observed 1981-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.279
ep 0.136
sin(ip) 0.144
G 0.150
H 15.070
Mass
D 3.35 0.144
pV 0.158 0.0418
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.580
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2788 0.1356 0.1438 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.35 0.144 0.144 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.158 0.0418 0.0418 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
15.07 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.79 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.5392 0.5392 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT