1998 SF4

1998SF4, 2002 PB99, 2002PB99, A1172, J98S04F, K02P99B

All data for this body: [vot]

MPC data
Name (number) 1998 SF4 (101172)
a 2.62634
e 0.15227
i / sin(i) 4.2181 / 0.07355
q 2.22641
Q 3.02626
ω 330.4000
Node 2.8323
m 119.6191
n 0.2316
Epoch 2460800.5
nobs 618
nopp 18
Years observed 1998-2025
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.625
ep 0.127
sin(ip) 0.075
G 0.150
H 16.160
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.158
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6249 0.1266 0.0755 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
16.16 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
C 0.693 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT