Sephton

07552, 1981 EB27, 1981EB27, 1989 EK9, 1989EK9, J81E27B, J89E09K

All data for this body: [vot]

MPC data
Name (number) Sephton (7552)
a 2.55454
e 0.06251
i / sin(i) 3.4808 / 0.06071
q 2.39487
Q 2.71422
ω 321.5754
Node 159.4335
m 346.4369
n 0.2414
Epoch 2460800.5
nobs 1322
nopp 25
Years observed 1981-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.553
ep 0.116
sin(ip) 0.064
G 0.150
H 15.570
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.222
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5531 0.1160 0.0644 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
15.57 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 0.467 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.71 Bus VIS Carvano 2010A&A...510A..43C PHOT