Philagoria

00274, 1888 GA, 1888GA, I88G00A

All data for this body: [vot]

MPC data
Name (number) Philagoria (274)
a 3.04999
e 0.11528
i / sin(i) 3.6889 / 0.06434
q 2.69838
Q 3.40160
ω 124.1437
Node 92.4543
m 273.5784
n 0.1850
Epoch 2460800.5
nobs 5659
nopp 63
Years observed 1893-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.044
ep 0.156
sin(ip) 0.044
G 0.150
H 9.990
Mass
D 28.65 0.258
pV 0.165 0.0099
Value
Rotational Period 17.930
Period quality 3
Spectral Class S
Spectral Class Score 9.900
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0438 0.1559 0.0438 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
23.87 4.770 4.770 Ali-Lagoa 2018A&A...612A..85A NEATM
24.24 3.386 3.386 Ryan&Woodward 2010AJ....140..933R IRAS-STM
26.57 2.400 2.400 Tedesco 2002AJ....123.1056T STM
27.31 0.390 0.390 Masiero 2014ApJ...791..121M NEATM
27.32 0.710 0.710 Usui 2011PASJ...63.1117U NEATM
28.00 0.800 0.800 Hanus 2018Icar..309..297H RADIOMETRY_TPM
28.90 0.900 0.900 Hanus 2018Icar..309..297H RADIOMETRY_TPM
29.17 5.830 5.830 Ali-Lagoa 2018A&A...612A..85A NEATM
29.85 6.591 6.591 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
32.58 0.548 0.548 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.152 0.0107 0.0107 Masiero 2011ApJ...741...68M NEATM
0.208 0.0876 0.0876 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.228 0.0470 0.0470 Tedesco 2002AJ....123.1056T STM
0.238 0.0950 0.0950 Ali-Lagoa 2018A&A...612A..85A NEATM
0.240 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.290 0.0798 0.0798 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.356 0.1420 0.1420 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
9.99 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
17.918 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
17.938 3 Synodic Pilcher 2010MPBu...37..148P Lightcurve
17.94072 2 Sidereal Durech 2016A&A...587A..48D Model
17.94089 2 Sidereal Martikainen 2021A&A...649A..98M Model
17.941 2 Sidereal Hanus 2016A&A...586A.108H Model
17.9411 2 Sidereal Durech 2023A&A...675A..24D Model
17.957 2 Synodic Behrend LCDB Lightcurve
17.96 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
L Bus VIS Lazzaro 2004Icar..172..179L SPEC
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC