1999 TO254

1999TO254, 1998 MK44, 1998MK44, 40968, J98M44K, J99TP4O

All data for this body: [vot]

MPC data
Name (number) 1999 TO254 (40968)
a 2.72647
e 0.13625
i / sin(i) 14.4940 / 0.25028
q 2.35500
Q 3.09795
ω 178.3316
Node 113.7260
m 322.0055
n 0.2189
Epoch 2460800.5
nobs 2575
nopp 22
Years observed 1998-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.726
ep 0.131
sin(ip) 0.228
G 0.150
H 14.510
Mass
D 3.66 0.674
pV 0.275 0.0827
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.602
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7260 0.1308 0.2281 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.66 0.674 0.674 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.275 0.0827 0.0827 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
14.51 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 0.767 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT