Pyrrha

00632, 1907 GY, 1907GY, 1911 FC, 1911FC, J07G00Y, J11F00C

All data for this body: [vot]

MPC data
Name (number) Pyrrha (632)
a 2.66311
e 0.19146
i / sin(i) 2.2152 / 0.03865
q 2.15322
Q 3.17300
ω 252.4429
Node 356.4343
m 39.8823
n 0.2268
Epoch 2460800.5
nobs 5665
nopp 46
Years observed 1907-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.663
ep 0.215
sin(ip) 0.049
G 0.150
H 11.420
Mass
D 13.30 0.178
pV 0.253 0.0243
Value
Rotational Period 4.116
Period quality 3
Spectral Class S
Spectral Class Score 5.723
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6625 0.2149 0.0492 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.04 0.390 0.390 Masiero 2012ApJ...759L...8M NEATM
12.78 0.510 0.510 Usui 2011PASJ...63.1117U NEATM
13.49 2.700 2.700 Ali-Lagoa 2018A&A...612A..85A NEATM
14.42 0.219 0.219 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.195 0.0277 0.0277 Masiero 2011ApJ...741...68M NEATM
0.293 0.1170 0.1170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.483 0.0560 0.0560 Masiero 2012ApJ...759L...8M 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
11.42 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.1167 3 Synodic Pilcher 2011MPBu...38..156P Lightcurve
4.116854 2 Sidereal Durech 2016A&A...587A..48D Model
4.11686 2 Sidereal Hanus 2016A&A...586A.108H Model
4.11687 2 Sidereal Martikainen 2021A&A...649A..98M Model
4.6 1 Synodic Lagerkvist 1978A&AS...31..361L Lightcurve
4.687 1 Synodic Cieza LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.9538 0.5150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
U DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT