Tirso

09009, 1984 HJ1, 1984HJ1, 1997 AO23, 1997AO23, J84H01J, J97A23O

All data for this body: [vot]

MPC data
Name (number) Tirso (9009)
a 2.26391
e 0.14422
i / sin(i) 2.9906 / 0.05217
q 1.93742
Q 2.59040
ω 178.1800
Node 81.4890
m 342.2511
n 0.2893
Epoch 2460800.5
nobs 3465
nopp 24
Years observed 1984-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.264
ep 0.145
sin(ip) 0.039
G 0.150
H 14.490
Mass
D 3.50 1.020
pV 0.274 0.1449
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.496
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2640 0.1447 0.0393 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.50 1.020 1.020 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.274 0.1449 0.1449 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
14.49 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
S 0.916 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT