Achilles

00588, 1906 DN, 1906DN, J06D00N

All data for this body: [vot]

MPC data
Name (number) Achilles (588)
a 5.21351
e 0.14841
i / sin(i) 10.3163 / 0.17908
q 4.43978
Q 5.98724
ω 134.1091
Node 316.5370
m 60.3691
n 0.0828
Epoch 2460800.5
nobs 4746
nopp 61
Years observed 1906-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 8.220
Mass
D 131.45 0.505
pV 0.032 0.0013
Value
Rotational Period 7.300
Period quality 3
Spectral Class D
Spectral Class Score 21.930
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
127.83 25.570 25.570 Ali-Lagoa 2018A&A...612A..85A NEATM
130.10 0.550 0.550 Grav 2012ApJ...759...49G NEATM
133.22 3.330 3.330 Usui 2011PASJ...63.1117U NEATM
135.47 4.100 4.100 Tedesco 2002AJ....123.1056T STM
138.60 1.600 1.600 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
140.02 5.092 5.092 Ryan&Woodward 2010AJ....140..933R IRAS-STM
142.13 28.430 28.430 Ali-Lagoa 2018A&A...612A..85A NEATM
158.27 13.517 13.517 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
160.62 11.900 11.900 Grav 2011ApJ...742...40G NEATM
160.80 7.200 7.200 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.023 0.0060 0.0060 Grav 2011ApJ...742...40G NEATM
0.025 0.0048 0.0048 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.031 0.0022 0.0022 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.033 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.043 0.0060 0.0060 Grav 2012ApJ...759...49G NEATM
0.047 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.058 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A 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
8.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 1 Synodic Zappala 1989Icar...82..354Z Lightcurve
7.0 1 Synodic Angeli 1999P&SS...47..699A Lightcurve
7.306 1 Synodic Shevchenko 2012Icar..217..202S Lightcurve
7.306 3 Synodic Shevchenko 2009LPI....40.1391S Lightcurve
7.306 3 Synodic Shevchenko 2012Icar..217..202S Lightcurve
7.306 3 Synodic Shevchenko 2012Icar..217..202S Lightcurve
7.3063 2 Sidereal Durech 2019A&A...631A...2D Model
7.312 3- Synodic Stephens 2010MPBu...37...47S Lightcurve
7.32 3 Synodic Mottola 2011AJ....141..170M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Barucci-Tholen VIS Fitzsimmons 1994A&A...282..634F SPEC
D Barucci-Tholen VIS Lagerkvist 1993MNRAS.260..679L SPEC
D Jewitt-Luu VIS Bendjoya 2004Icar..168..374B SPEC
D 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
T Tholen VIS Tatsumi 2022A&A...664A.107T SPEC