Freuchen

03369, 1971 CA, 1971CA, 1975 XF2, 1975XF2, 1979 OG16, 1979OG16, 1980 XD1, 1980XD1, 1985 UZ, 1985UZ, J71C00A, J75X02F, J79O16G, J80X01D, J85U00Z

All data for this body: [vot]

MPC data
Name (number) Freuchen (3369)
a 3.04295
e 0.13737
i / sin(i) 7.9764 / 0.13876
q 2.62493
Q 3.46096
ω 140.8912
Node 267.2069
m 139.0124
n 0.1857
Epoch 2460800.5
nobs 4813
nopp 32
Years observed 1971-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Emma (283)
 
ap 3.045
ep 0.114
sin(ip) 0.158
G 0.150
H 12.320
Mass
D 25.09 0.334
pV 0.035 0.0040
Value
Rotational Period 43.617
Period quality 2
Spectral Class X
Spectral Class Score 2.806
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
283 Emma 0 Emma Novakovic 2019EPSC...13.1671N HCM
283 Emma 607 Emma -0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0448 0.1139 0.1578 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.77 4.160 4.160 Masiero 2020PSJ.....1....5M NEATM
19.23 7.170 7.170 Masiero 2020PSJ.....1....5M NEATM
21.65 2.160 2.160 Ali-Lagoa 2018A&A...612A..85A NEATM
23.65 0.517 0.517 Masiero 2011ApJ...741...68M NEATM
26.33 0.460 0.460 Usui 2011PASJ...63.1117U NEATM
27.97 2.800 2.800 Ali-Lagoa 2018A&A...612A..85A NEATM
29.23 4.030 4.030 Masiero 2012ApJ...759L...8M NEATM
29.74 11.790 11.790 Masiero 2021PSJ.....2..162M NEATM
32.86 10.330 10.330 Masiero 2020PSJ.....1....5M NEATM
36.31 17.034 17.034 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.023 0.0186 0.0186 Masiero 2017AJ....154..168M NEATM
0.023 0.0170 0.0170 Masiero 2020PSJ.....1....5M NEATM
0.028 0.0060 0.0060 Ali-Lagoa 2018A&A...612A..85A NEATM
0.028 0.0140 0.0270 Masiero 2021PSJ.....2..162M NEATM
0.041 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM
0.046 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.047 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0118 0.0118 Masiero 2011ApJ...741...68M NEATM
0.055 0.0290 0.0290 Masiero 2020PSJ.....1....5M 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
12.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
43.6173 2 Synodic Pal 2020ApJS..247...26P 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 C 0.0537 0.0537 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.35 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.351 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT