Christoffel

18548, 1997 AN12, 1997AN12, 1998 FQ57, 1998FQ57, J97A12N, J98F57Q

All data for this body: [vot]

MPC data
Name (number) Christoffel (18548)
a 2.57576
e 0.04098
i / sin(i) 7.3724 / 0.12832
q 2.47020
Q 2.68132
ω 323.3445
Node 205.4027
m 216.2298
n 0.2384
Epoch 2460800.5
nobs 2876
nopp 23
Years observed 1997-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.576
ep 0.077
sin(ip) 0.136
G 0.150
H 14.240
Mass
D 4.05 0.276
pV 0.156 0.0360
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.694
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5763 0.0770 0.1359 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.05 0.276 0.276 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.156 0.0360 0.0360 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
14.24 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 0.647 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9738 0.9820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9949 0.9820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT