Piaf

03772, 1943 GN, 1943GN, 1950 TR2, 1950TR2, 1958 DR, 1958DR, 1969 FJ, 1969FJ, 1972 XK2, 1972XK2, 1982 UR7, 1982UR7, J43G00N, J50T02R, J58D00R, J69F00J, J72X02K, J82U07R

All data for this body: [vot]

MPC data
Name (number) Piaf (3772)
a 3.02881
e 0.05987
i / sin(i) 11.0193 / 0.19114
q 2.84747
Q 3.21016
ω 201.9727
Node 101.2349
m 139.9688
n 0.1870
Epoch 2460800.5
nobs 5155
nopp 28
Years observed 1943-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.022
ep 0.063
sin(ip) 0.171
G 0.150
H 11.330
Mass
D 19.05 0.136
pV 0.143 0.0117
Value
Rotational Period 5.370
Period quality 3
Spectral Class S
Spectral Class Score 2.988
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 -0.1100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0221 0.0626 0.1706 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.81 1.030 1.030 Masiero 2012ApJ...759L...8M NEATM
18.83 0.178 0.178 Masiero 2011ApJ...741...68M NEATM
18.98 0.240 0.240 Masiero 2014ApJ...791..121M NEATM
19.79 3.960 3.960 Ali-Lagoa 2018A&A...612A..85A NEATM
20.20 4.040 4.040 Ali-Lagoa 2018A&A...612A..85A NEATM
20.79 0.500 0.500 Usui 2011PASJ...63.1117U NEATM
25.93 2.500 2.500 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.087 0.0190 0.0190 Tedesco 2002AJ....123.1056T STM
0.150 0.0600 0.0600 Ali-Lagoa 2018A&A...612A..85A NEATM
0.156 0.0620 0.0620 Ali-Lagoa 2018A&A...612A..85A NEATM
0.180 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.181 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM
0.181 0.0414 0.0414 Masiero 2011ApJ...741...68M 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
11.33 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.37554 2 Synodic Pal 2020ApJS..247...26P Lightcurve
5.376 2 Synodic McNeill 2019ApJS..245...29M Lightcurve
5.376 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.376 3 Synodic Behrend LCDB Lightcurve
5.37615 2 Sidereal Durech 2018A&A...617A..57D Model
5.37617 2 Sidereal Durech 2020A&A...643A..59D Model
5.377 2 Synodic Waszczak 2015AJ....150...75W 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
K K 0.4013 0.4013 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.498 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT