Orchiston

1991 TV2, 1991TV2, 1999 XT199, 1999XT199, 48471, J91T02V, J99XJ9T

All data for this body: [vot]

MPC data
Name (number) Orchiston (48471)
a 2.42300
e 0.17763
i / sin(i) 8.2027 / 0.14268
q 1.99260
Q 2.85340
ω 337.7740
Node 355.9563
m 353.7616
n 0.2613
Epoch 2460800.5
nobs 1231
nopp 20
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.423
ep 0.144
sin(ip) 0.141
G 0.150
H 15.640
Mass
D 1.95 0.243
pV 0.292 0.1301
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 35.004
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4226 0.1436 0.1410 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.95 0.243 0.243 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.292 0.1301 0.1301 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
15.64 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
D S 0.3210 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K S 0.3905 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.958 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.1378 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4611 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6265 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8034 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8882 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9649 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9941 0.5520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT