Sheikh

1999 JT122, 1999JT122, 21618, J99JC2T

All data for this body: [vot]

MPC data
Name (number) Sheikh (21618)
a 2.16166
e 0.20112
i / sin(i) 2.6247 / 0.04579
q 1.72691
Q 2.59641
ω 198.5835
Node 114.1968
m 13.7331
n 0.3101
Epoch 2460800.5
nobs 1663
nopp 22
Years observed 1995-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.162
ep 0.138
sin(ip) 0.041
G 0.150
H 15.680
Mass
D 1.94 0.266
pV 0.197 0.0407
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.856
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1616 0.1377 0.0405 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.87 0.320 0.320 Nugent 2016AJ....152...63N NEATM
2.10 0.479 0.479 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.192 0.0433 0.0433 Masiero 2011ApJ...741...68M NEATM
0.230 0.1200 0.1200 Nugent 2016AJ....152...63N 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
15.68 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 0.476 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT