1998 ST74

1998ST74, 1991 TY9, 1991TY9, 1994 LQ8, 1994LQ8, 52904, J91T09Y, J94L08Q, J98S74T

All data for this body: [vot]

MPC data
Name (number) 1998 ST74 (52904)
a 2.29734
e 0.24655
i / sin(i) 3.1988 / 0.05580
q 1.73093
Q 2.86374
ω 191.6537
Node 87.4501
m 299.7196
n 0.2831
Epoch 2460800.5
nobs 1671
nopp 22
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.298
ep 0.231
sin(ip) 0.040
G 0.150
H 15.460
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.653
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2980 0.2307 0.0402 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
15.46 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.94 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.7380 0.8140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8908 0.8140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT