Champigneulles

18634, 1998 EQ1, 1998EQ1, 1999 NX51, 1999NX51, J98E01Q, J99N51X

All data for this body: [vot]

MPC data
Name (number) Champigneulles (18634)
a 2.66647
e 0.09173
i / sin(i) 14.3984 / 0.24866
q 2.42186
Q 2.91107
ω 308.9145
Node 188.2852
m 130.4088
n 0.2264
Epoch 2460800.5
nobs 2945
nopp 24
Years observed 1982-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.666
ep 0.127
sin(ip) 0.253
G 0.150
H 14.510
Mass
D 4.00 0.185
pV 0.192 0.0303
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.976
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6664 0.1270 0.2528 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.00 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.192 0.0303 0.0303 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
14.51 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.55 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.1214 0.1370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3580 0.1370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT