Polonia

01112, 1908 XA, 1908XA, 1928 PE, 1928PE, 1933 PA, 1933PA, J08X00A, J28P00E, J33P00A

All data for this body: [vot]

MPC data
Name (number) Polonia (1112)
a 3.01753
e 0.10935
i / sin(i) 9.0012 / 0.15646
q 2.68757
Q 3.34749
ω 85.8885
Node 302.6732
m 96.7607
n 0.1880
Epoch 2460800.5
nobs 8035
nopp 52
Years observed 1928-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.020
ep 0.073
sin(ip) 0.178
G 0.150
H 10.080
Mass
D 41.75 0.221
pV 0.114 0.0058
Value
Rotational Period 18.700
Period quality 2
Spectral Class S
Spectral Class Score 6.204
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.3200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0204 0.0733 0.1780 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
31.94 1.396 1.396 Ryan&Woodward 2010AJ....140..933R IRAS-STM
33.96 3.400 3.400 Ali-Lagoa 2018A&A...612A..85A NEATM
35.76 1.600 1.600 Tedesco 2002AJ....123.1056T STM
37.55 0.600 0.600 Usui 2011PASJ...63.1117U NEATM
38.93 3.096 3.096 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
39.66 0.330 0.330 Masiero 2014ApJ...791..121M NEATM
44.72 8.940 8.940 Ali-Lagoa 2018A&A...612A..85A NEATM
47.06 0.368 0.368 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.076 0.0097 0.0097 Masiero 2011ApJ...741...68M NEATM
0.100 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.108 0.0430 0.0430 Ali-Lagoa 2018A&A...612A..85A NEATM
0.116 0.0163 0.0163 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.132 0.0120 0.0120 Tedesco 2002AJ....123.1056T STM
0.166 0.0146 0.0146 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.188 0.0380 0.0380 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
10.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.605 2- Synodic Behrend LCDB Lightcurve
18.71 2 Synodic Polakis 2020MPBu...47..177P Lightcurve
82.5 2 Synodic Warner 2008MPBu...35...67W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Cgx Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT
L 0.85 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.7006 0.7006 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
T Bus NIR MotheDiniz 2008Icar..195..277M SPEC