1998 QC31

1998QC31, 40123, J98Q31C

All data for this body: [vot]

MPC data
Name (number) 1998 QC31 (40123)
a 3.15439
e 0.18428
i / sin(i) 11.5502 / 0.20023
q 2.57310
Q 3.73568
ω 200.4748
Node 151.7544
m 269.0655
n 0.1759
Epoch 2460800.5
nobs 2079
nopp 23
Years observed 1998-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.156
ep 0.161
sin(ip) 0.182
G 0.150
H 14.060
Mass
D 12.93 1.942
pV 0.027 0.0119
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.684
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1559 0.1605 0.1819 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.07 3.430 3.430 Masiero 2021PSJ.....2..162M NEATM
12.41 4.528 4.528 Masiero 2017AJ....154..168M NEATM
13.68 2.760 2.760 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.022 0.0167 0.0167 Masiero 2017AJ....154..168M NEATM
0.031 0.0160 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.035 0.0240 0.0240 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
14.06 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 X 0.2714 0.3370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
CX 0.12 Bus VIS Carvano 2010A&A...510A..43C PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.4473 0.3370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT