1990 QO4

1990QO4, 17450, 1998 CY1, 1998CY1, J90Q04O, J98C01Y

All data for this body: [vot]

MPC data
Name (number) 1990 QO4 (17450)
a 2.99689
e 0.08109
i / sin(i) 9.6356 / 0.16738
q 2.75388
Q 3.23991
ω 306.3762
Node 353.6260
m 279.1060
n 0.1900
Epoch 2460800.5
nobs 2912
nopp 23
Years observed 1990-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.999
ep 0.071
sin(ip) 0.175
G 0.150
H 13.500
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 8.007
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.4100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9986 0.0715 0.1747 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
13.50 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
C 0.36 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.917 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.3914 0.4910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6097 0.4910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT