1998 QO91

1998QO91, 2000 AK197, 2000AK197, 40161, J98Q91O, K00AJ7K

All data for this body: [vot]

MPC data
Name (number) 1998 QO91 (40161)
a 2.54738
e 0.17333
i / sin(i) 13.9870 / 0.24170
q 2.10584
Q 2.98892
ω 165.7337
Node 165.9033
m 226.6729
n 0.2424
Epoch 2460800.5
nobs 3900
nopp 24
Years observed 1956-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.547
ep 0.137
sin(ip) 0.232
G 0.150
H 13.600
Mass
D 5.16 0.073
pV 0.318 0.0364
Value
Rotational Period 6.278
Period quality 3
Spectral Class S
Spectral Class Score 15.922
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -1.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5473 0.1371 0.2320 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.15 0.300 0.300 Masiero 2012ApJ...759L...8M NEATM
5.16 0.075 0.075 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.318 0.0510 0.0510 Masiero 2012ApJ...759L...8M NEATM
0.319 0.0519 0.0519 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
13.60 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.2783 3 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.5570 0.7820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.692 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.89 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.9983 0.7820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT