Polyxo

00308, 1891 FA, 1891FA, 1950 FQ, 1950FQ, I91F00A, J50F00Q

All data for this body: [vot]

MPC data
Name (number) Polyxo (308)
a 2.74907
e 0.03849
i / sin(i) 4.3630 / 0.07608
q 2.64326
Q 2.85489
ω 112.0905
Node 181.5787
m 45.6951
n 0.2162
Epoch 2460800.5
nobs 6511
nopp 78
Years observed 1891-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.749
ep 0.049
sin(ip) 0.080
G 0.150
H 8.170
Mass 3.406e+18 6.533e+17
D 132.66 1.017
pV 0.048 0.0018
Value
Rotational Period 12.030
Period quality 3
Spectral Class T
Spectral Class Score 31.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1726 Hoffmeister 0 Hoffmeister Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7495 0.0494 0.0804 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.9421e+18 9.2387e+17 9.2387e+17 Fienga INPOP19a Ephem
4.8700e+18 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
118.45 4.131 4.131 Ryan&Woodward 2010AJ....140..933R IRAS-STM
128.58 1.560 1.560 Masiero 2014ApJ...791..121M NEATM
130.00 nan nan Marchis 2006Icar..185...39M AO
130.40 26.080 26.080 Ali-Lagoa 2018A&A...612A..85A NEATM
135.25 1.710 1.710 Usui 2011PASJ...63.1117U NEATM
140.69 3.800 3.800 Tedesco 2002AJ....123.1056T STM
142.11 4.970 4.970 Masiero 2012ApJ...759L...8M NEATM
142.41 14.240 14.240 Ali-Lagoa 2018A&A...612A..85A NEATM
144.40 13.864 13.864 Masiero 2011ApJ...741...68M NEATM
162.26 6.934 6.934 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0032 0.0032 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.046 0.0101 0.0101 Masiero 2011ApJ...741...68M NEATM
0.047 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM
0.048 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.052 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.062 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.068 0.0047 0.0047 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
8.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.01 2 Synodic Higgins 2011MPBu...38...41H Lightcurve
12.02 2 Synodic Harris 1983Icar...54...59H Lightcurve
12.029 3- Synodic Pilcher 2014MPBu...41..204P Lightcurve
12.029587 2 Sidereal Podlewska 2020A&A...638A..11P Model
12.031 3 Synodic Colazo 2022MPBu...49..189C Lightcurve
12.032 2 Synodic Carbognani 2019P&SS..169...15C Lightcurve
12.032 2+ Synodic Debehogne 1980A&AS...39..163D 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
D3 Barucci VIS Lazzarin 1995AJ....110.3058L SPEC
P 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
P 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
T Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
T Bus VIS Bus 2002Icar..158..146B SPEC
T Tholen VIS Lazzarin 1995AJ....110.3058L SPEC
TSo Howell VISNIR Howell 1994JGR....9910847H PHOT