IJzer

12276, 1990 WW1, 1990WW1, 1992 DU6, 1992DU6, J90W01W, J92D06U

All data for this body: [vot]

MPC data
Name (number) IJzer (12276)
a 2.68602
e 0.14233
i / sin(i) 7.0290 / 0.12237
q 2.30373
Q 3.06832
ω 231.0606
Node 152.8608
m 321.9958
n 0.2239
Epoch 2460800.5
nobs 4150
nopp 23
Years observed 1990-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.686
ep 0.100
sin(ip) 0.113
G 0.150
H 13.670
Mass
D 5.86 0.260
pV 0.226 0.0335
Value
Rotational Period 5.797
Period quality 2
Spectral Class S
Spectral Class Score 13.473
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6858 0.0996 0.1129 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.71 0.665 0.665 Masiero 2011ApJ...741...68M NEATM
5.88 0.282 0.282 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.223 0.0380 0.0380 Masiero 2011ApJ...741...68M NEATM
0.237 0.0705 0.0705 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
13.67 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.79734 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q 0.88 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.9126 0.9650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9995 0.9650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT