Itokawa

1998 SF36, 1998SF36, 25143, J98S36F

All data for this body: [vot]

MPC data
Name (number) Itokawa (25143)
a 1.32417
e 0.28013
i / sin(i) 1.6210 / 0.02829
q 0.95322
Q 1.69512
ω 162.8439
Node 69.0764
m 271.8994
n 0.6468
Epoch 2460800.5
nobs 1227
nopp 11
Years observed 1998-2024
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 19.260
Mass 3.510e+10 1.050e+09
D 0.32 0.029
pV
Value
Rotational Period 12.130
Period quality 3
Spectral Class Sq
Spectral Class Score 49.000
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.5100e+10 1.0500e+09 1.0500e+09 Fujiwara 2006Sci...312.1330F FlyBy
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.30 0.110 0.110 Ishiguro 2003PASJ...55..691I FBM
0.32 0.030 0.030 Muller 2005A&A...443..347M RADIOMETRY_TPM
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
19.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 Synodic Lambert 2001AAS...199.6303L Lightcurve
12.09 2+ Synodic Warner 2004MPBu...31...67W Lightcurve
12.1 3 Synodic Lowry 2001DPS....33.5909L Lightcurve
12.12 3 Synodic Lowry 2005Icar..176..408L Lightcurve
12.121 2+ Synodic Higgins LCDB Lightcurve
12.13 3 Synodic Dermawan 2002PASJ...54..635D Lightcurve
12.132 1 Synodic Nishihara 2018arXiv180202742N Lightcurve
12.132 2 Synodic Nishihara 2018arXiv180202742N Lightcurve
12.132 2 Synodic Nishihara 2018arXiv180202742N Lightcurve
12.132 3 Synodic Kaasalainen 2003A&A...405L..29K Lightcurve
12.1323 2 Sidereal Durech 2008A&A...488..345D Model
12.1324 2 Synodic Nishihara 2005LPI....36.1833N Lightcurve
12.15 3 Synodic Ohba 2003EP&S...55..341O Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S-complex Tholen VISNIR Binzel 2001M&PS...36.1167B SPEC
S DeMeo-Carry VIS Carry PHOT
S Tholen VIS Hasegawa 2018PASJ...70..114H PHOT
S Tholen VISNIR de Leon 2006AdSpR..37..178D SPEC
S 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S 0.9557 0.9557 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sq Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Sq Bus-DeMeo VISNIR Sanchez 2012Icar..220...36S SPEC
Sq Bus VISNIR de Leon 2010A&A...517A..23D SPEC
Sqw Bus-DeMeo VISNIR Hasegawa 2017PASJ...69...99H SPEC
Sqw Bus-DeMeo VISNIR Sanchez 2012Icar..220...36S SPEC