Stephenholland

1999 TL284, 1999TL284, 40981, J99TS4L

All data for this body: [vot]

MPC data
Name (number) Stephenholland (40981)
a 2.78914
e 0.16446
i / sin(i) 11.2621 / 0.19530
q 2.33044
Q 3.24784
ω 130.9212
Node 187.2635
m 235.7705
n 0.2116
Epoch 2460800.5
nobs 1415
nopp 22
Years observed 1994-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.791
ep 0.121
sin(ip) 0.199
G 0.150
H 15.050
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.942
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7907 0.1206 0.1991 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.05 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 0.199 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2917 0.9790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.9790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT