Sepkoski

07173, 1983 WY, 1983WY, 1988 PL1, 1988PL1, J83W00Y, J88P01L

All data for this body: [vot]

MPC data
Name (number) Sepkoski (7173)
a 1.95639
e 0.01342
i / sin(i) 19.5831 / 0.33518
q 1.93015
Q 1.98264
ω 95.2769
Node 247.0194
m 137.1407
n 0.3602
Epoch 2460800.5
nobs 3791
nopp 23
Years observed 1983-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.956
ep 0.024
sin(ip) 0.369
G 0.150
H 14.050
Mass
D 4.15 0.036
pV 0.257 0.0132
Value
Rotational Period 2.500
Period quality 3
Spectral Class Sw
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9563 0.0244 0.3693 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.31 0.720 0.720 Nugent 2016AJ....152...63N NEATM
3.62 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
4.14 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
4.18 0.043 0.043 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.234 0.0194 0.0194 Masiero 2011ApJ...741...68M NEATM
0.240 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.350 0.1900 0.1900 Nugent 2016AJ....152...63N NEATM
0.446 0.0430 0.0430 Masiero 2012ApJ...759L...8M NEATM
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
14.05 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.44 2 Synodic Han 2013MPBu...40...14H Lightcurve
2.5 2 Synodic Warner 2011MPBu...38...25W Lightcurve
2.5002 2 Synodic Benishek 2015MPBu...42...75B Lightcurve
2.5006 3 Synodic Warner 2014MPBu...41..102W Lightcurve
2.5406 2 Synodic Warner 2022MPBu...49...22W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q Sq Bus-DeMeo NIR Lucas 2017Icar..291..268L SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sw Bus-DeMeo VISNIR Lucas 2019Icar..322..227L SPEC