Iwamoto

04951, 1931 UQ, 1931UQ, 1985 QN6, 1985QN6, 1985 RH5, 1985RH5, 1989 WS3, 1989WS3, 1990 BM, 1990BM, J31U00Q, J85Q06N, J85R05H, J89W03S, J90B00M

All data for this body: [vot]

MPC data
Name (number) Iwamoto (4951)
a 2.25716
e 0.16648
i / sin(i) 7.5320 / 0.13108
q 1.88138
Q 2.63294
ω 340.0245
Node 100.9788
m 173.0826
n 0.2906
Epoch 2460800.5
nobs 3929
nopp 26
Years observed 1931-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.255
ep 0.193
sin(ip) 0.117
G 0.150
H 13.490
Mass
D 5.38 0.025
pV 0.199 0.0252
Value
Rotational Period 118.000
Period quality 3
Spectral Class S
Spectral Class Score 13.454
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2552 0.1927 0.1172 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.19 0.040 0.040 Masiero 2014ApJ...791..121M NEATM
5.51 0.033 0.033 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.186 0.0324 0.0324 Masiero 2011ApJ...741...68M NEATM
0.220 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
13.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
118.0 3 Synodic Pravec LCDB Lightcurve
117.7 3 Synodic Pravec LCDB Lightcurve
118.0 2- 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
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.259 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT