1989 TC4

1989TC4, 1989 SP5, 1989SP5, 1998 VF4, 1998VF4, 46551, J89S05P, J89T04C, J98V04F

All data for this body: [vot]

MPC data
Name (number) 1989 TC4 (46551)
a 2.66890
e 0.17687
i / sin(i) 2.3343 / 0.04073
q 2.19684
Q 3.14096
ω 238.8325
Node 137.9267
m 60.4898
n 0.2261
Epoch 2460800.5
nobs 1803
nopp 23
Years observed 1989-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.668
ep 0.137
sin(ip) 0.029
G 0.150
H 15.030
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 27.992
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6676 0.1366 0.0290 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
15.03 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 0.1450 0.7630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L S 0.3949 0.7630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.85 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.936 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5011 0.7630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6274 0.7630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9843 0.7630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9998 0.7630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT