Frieda

00722, 1911 UN, 1911UN, 1926 GR, 1926GR, 1946 SH, 1946SH, J11U00N, J26G00R, J46S00H

All data for this body: [vot]

MPC data
Name (number) Frieda (722)
a 2.17143
e 0.14550
i / sin(i) 5.6354 / 0.09820
q 1.85547
Q 2.48738
ω 257.4608
Node 45.6397
m 241.8060
n 0.3080
Epoch 2460800.5
nobs 12437
nopp 48
Years observed 1910-2025
rms 0.40
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.172
ep 0.058
sin(ip) 0.083
G 0.150
H 12.480
Mass
D 8.76 0.036
pV 0.239 0.0158
Value
Rotational Period 131.000
Period quality 2
Spectral Class S
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1719 0.0575 0.0832 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.55 1.050 1.050 Ali-Lagoa 2018A&A...612A..85A NEATM
11.43 0.230 0.230 Usui 2011PASJ...63.1117U NEATM
11.66 1.170 1.170 Ali-Lagoa 2018A&A...612A..85A NEATM
8.26 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
8.84 0.044 0.044 Masiero 2011ApJ...741...68M NEATM
9.19 0.220 0.220 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.158 0.0320 0.0320 Ali-Lagoa 2018A&A...612A..85A NEATM
0.193 0.0390 0.0390 Ali-Lagoa 2018A&A...612A..85A NEATM
0.252 0.0250 0.0250 Masiero 2012ApJ...759L...8M NEATM
0.331 0.0429 0.0429 Masiero 2011ApJ...741...68M NEATM
0.430 0.0700 0.0700 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
12.48 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
128.99 2 Synodic Dose 2021MPBu...48..125D Lightcurve
131.1 2 Synodic Polakis 2019MPBu...46..400P Lightcurve
131.166 2 Sidereal Durech 2019A&A...631A...2D Model
30.06 2 Synodic Olguin 2020MPBu...47..340O Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Xu 1995Icar..115....1X SPEC
S 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC