Iwaizumi

04712, 1931 EN, 1931EN, 1950 RB1, 1950RB1, 1964 CB, 1964CB, 1979 YN2, 1979YN2, 1987 FO1, 1987FO1, 1989 QE, 1989QE, J31E00N, J50R01B, J64C00B, J79Y02N, J87F01O, J89Q00E

All data for this body: [vot]

MPC data
Name (number) Iwaizumi (4712)
a 3.14560
e 0.14127
i / sin(i) 12.2283 / 0.21181
q 2.70122
Q 3.58999
ω 350.4667
Node 333.6973
m 147.6972
n 0.1767
Epoch 2460800.5
nobs 6084
nopp 31
Years observed 1931-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.145
ep 0.131
sin(ip) 0.219
G 0.150
H 11.550
Mass
D 30.13 0.200
pV 0.084 0.0039
Value
Rotational Period 6.248
Period quality 3
Spectral Class C
Spectral Class Score 3.600
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1451 0.1310 0.2190 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
27.54 1.196 1.196 Ryan&Woodward 2010AJ....140..933R IRAS-STM
28.10 7.710 7.710 Masiero 2020PSJ.....1....5M NEATM
28.75 1.000 1.000 Tedesco 2002AJ....123.1056T STM
28.78 0.350 0.350 Masiero 2014ApJ...791..121M NEATM
30.93 0.288 0.288 Masiero 2011ApJ...741...68M NEATM
31.45 0.590 0.590 Usui 2011PASJ...63.1117U NEATM
32.62 2.509 2.509 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
33.15 6.630 6.630 Ali-Lagoa 2018A&A...612A..85A NEATM
33.21 3.320 3.320 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.048 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.048 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.076 0.0109 0.0109 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.081 0.0169 0.0169 Masiero 2011ApJ...741...68M NEATM
0.093 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.100 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.103 0.0093 0.0093 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
11.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.24 2- Synodic Behrend LCDB Lightcurve
6.24768 2 Sidereal Durech 2023A&A...675A..24D Model
6.2486 3 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.80 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.4291 0.4291 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT