Philippa

00977, 1914 YA, 1914YA, 1919 XA, 1919XA, 1922 GA, 1922GA, J14Y00A, J19X00A, J22G00A

All data for this body: [vot]

MPC data
Name (number) Philippa (977)
a 3.12221
e 0.02197
i / sin(i) 15.1809 / 0.26187
q 3.05361
Q 3.19081
ω 65.6696
Node 75.6649
m 324.4242
n 0.1787
Epoch 2460800.5
nobs 6040
nopp 45
Years observed 1914-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.118
ep 0.048
sin(ip) 0.245
G 0.150
H 9.890
Mass
D 65.87 0.206
pV 0.053 0.0026
Value
Rotational Period 15.400
Period quality 3
Spectral Class X
Spectral Class Score 14.666
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1178 0.0477 0.2446 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
60.64 6.060 6.060 Ali-Lagoa 2018A&A...612A..85A NEATM
63.73 19.250 19.250 Nugent 2016AJ....152...63N NEATM
65.46 0.762 0.762 Masiero 2011ApJ...741...68M NEATM
65.47 0.240 0.240 Masiero 2014ApJ...791..121M NEATM
65.67 5.300 5.300 Tedesco 2002AJ....123.1056T STM
65.92 0.940 0.940 Usui 2011PASJ...63.1117U NEATM
67.18 2.596 2.596 Ryan&Woodward 2010AJ....140..933R IRAS-STM
67.47 13.490 13.490 Ali-Lagoa 2018A&A...612A..85A NEATM
68.27 0.770 0.770 Masiero 2014ApJ...791..121M NEATM
68.34 0.866 0.866 Masiero 2011ApJ...741...68M NEATM
69.55 3.946 3.946 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.048 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.051 0.0062 0.0062 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.051 0.0110 0.0110 Masiero 2011ApJ...741...68M NEATM
0.053 0.0041 0.0041 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.056 0.0100 0.0100 Tedesco 2002AJ....123.1056T STM
0.056 0.0109 0.0109 Masiero 2011ApJ...741...68M NEATM
0.059 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M 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
9.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.4017 2 Synodic Pal 2020ApJS..247...26P Lightcurve
15.4043 2 Sidereal Durech 2020A&A...643A..59D Model
15.4043 2 Sidereal Durech 2023A&A...675A..24D Model
15.405 3 Synodic Warner 2004MPBu...31...85W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Luo 2024AJ....167...13L SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C 0.696 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
P 0.950000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
P 0.990000 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 X 0.7777 0.7777 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT