1998 SP55

1998SP55, 1996 FH4, 1996FH4, 1997 LF11, 1997LF11, 42751, J96F04H, J97L11F, J98S55P

All data for this body: [vot]

MPC data
Name (number) 1998 SP55 (42751)
a 2.87474
e 0.14351
i / sin(i) 3.2941 / 0.05746
q 2.46218
Q 3.28731
ω 170.5841
Node 153.2324
m 190.1333
n 0.2022
Epoch 2460800.5
nobs 1352
nopp 21
Years observed 1996-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.877
ep 0.115
sin(ip) 0.043
G 0.150
H 15.150
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.350
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8771 0.1152 0.0425 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
15.15 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
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.4346 0.4920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6238 0.4920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1739 0.4920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT