Philosophia

00227, 1882 PA, 1882PA, 1919 AA, 1919AA, 1933 SD1, 1933SD1, 1949 OO1, 1949OO1, I82P00A, J19A00A, J33S01D, J49O01O

All data for this body: [vot]

MPC data
Name (number) Philosophia (227)
a 3.15434
e 0.19976
i / sin(i) 9.0836 / 0.15788
q 2.52424
Q 3.78444
ω 271.4704
Node 324.6536
m 267.8425
n 0.1759
Epoch 2460800.5
nobs 7506
nopp 59
Years observed 1908-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.147
ep 0.218
sin(ip) 0.186
G 0.150
H 9.130
Mass 1.189e+18 5.216e+17
D 106.38 0.410
pV 0.051 0.0020
Value
Rotational Period 26.460
Period quality 3
Spectral Class X
Spectral Class Score 15.964
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3556 Lixiaohua 0 Lixiaohua Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1468 0.2184 0.1860 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.5678e+18 7.3771e+17 7.3771e+17 Fienga INPOP19a Ephem
8.1000e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
105.26 4.246 4.246 Masiero 2011ApJ...741...68M NEATM
105.51 0.490 0.490 Nugent 2016AJ....152...63N NEATM
123.89 1.070 1.070 Masiero 2012ApJ...759L...8M NEATM
87.06 30.650 30.650 Nugent 2016AJ....152...63N NEATM
87.31 2.400 2.400 Tedesco 2002AJ....123.1056T STM
88.46 3.559 3.559 Ryan&Woodward 2010AJ....140..933R IRAS-STM
88.61 24.590 24.590 Masiero 2021PSJ.....2..162M NEATM
91.91 5.858 5.858 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
92.30 9.230 9.230 Ali-Lagoa 2018A&A...612A..85A NEATM
94.63 2.560 2.560 Masiero 2014ApJ...791..121M NEATM
95.61 1.560 1.560 Usui 2011PASJ...63.1117U NEATM
98.54 19.710 19.710 Ali-Lagoa 2018A&A...612A..85A NEATM
99.68 28.070 28.070 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.020 0.0099 0.0099 Masiero 2017AJ....154..168M NEATM
0.026 0.0050 0.0050 Masiero 2012ApJ...759L...8M NEATM
0.033 0.0039 0.0039 Masiero 2011ApJ...741...68M NEATM
0.035 0.0140 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.040 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.043 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.049 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.071 0.0094 0.0094 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.075 0.0060 0.0060 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.077 0.0040 0.0040 Tedesco 2002AJ....123.1056T 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
9.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
17.181 2 Synodic Alkema 2013MPBu...40..133A Lightcurve
18.048 2 Synodic Bembrick 2006MPBu...33...42B Lightcurve
18.048 2 Synodic Bembrick 2006MPBu...33...42B Lightcurve
26.138 2 Synodic Behrend LCDB Lightcurve
26.46 2 Synodic Marciniak 2015P&SS..118..256M Lightcurve
26.461 2 Sidereal Durech 2023A&A...675A..24D Model
26.464 2- Synodic Marciniak 2018A&A...610A...7M Lightcurve
26.466 3- Synodic Marciniak 2018A&A...610A...7M Lightcurve
26.468 3 Synodic Marciniak 2018A&A...610A...7M Lightcurve
26.48 2 Synodic Pilcher 2014MPBu...41..233P Lightcurve
52.98 2 Synodic Pilcher 2014MPBu...41..188P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
P 0.950000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.994 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT