Sheilah

1998 XE90, 1998XE90, 2000 GN123, 2000GN123, 30211, J98X90E, K00GC3N

All data for this body: [vot]

MPC data
Name (number) Sheilah (30211)
a 2.26111
e 0.12925
i / sin(i) 6.7724 / 0.11793
q 1.96885
Q 2.55337
ω 232.0959
Node 175.1741
m 306.2475
n 0.2899
Epoch 2460800.5
nobs 2820
nopp 23
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.261
ep 0.130
sin(ip) 0.124
G 0.150
H 14.620
Mass
D 3.12 0.460
pV 0.247 0.1046
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 5.711
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2612 0.1300 0.1240 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.95 0.765 0.765 Masiero 2011ApJ...741...68M NEATM
3.11 0.789 0.789 Masiero 2011ApJ...741...68M NEATM
3.32 0.840 0.840 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.348 0.2673 0.2673 Masiero 2011ApJ...741...68M NEATM
0.387 0.2339 0.2339 Masiero 2011ApJ...741...68M 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
14.62 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
V 0.935 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.0168 0.0168 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT