Johannink

12171, 1998 HC45, 1998HC45, 2382 T-3, 2382T-3, J98H45C, T3S2382

All data for this body: [vot]

MPC data
Name (number) Johannink (12171)
a 2.73809
e 0.05997
i / sin(i) 2.3662 / 0.04129
q 2.57388
Q 2.90231
ω 277.5737
Node 310.3978
m 326.7825
n 0.2175
Epoch 2460800.5
nobs 1880
nopp 23
Years observed 1977-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.739
ep 0.092
sin(ip) 0.058
G 0.150
H 15.100
Mass
D 5.64 0.201
pV 0.061 0.0088
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.022
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7390 0.0917 0.0583 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.64 0.201 0.201 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0088 0.0088 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
15.10 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 0.837 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT