Fraternitas

00309, 1891 GA, 1891GA, 1914 TE, 1914TE, 1925 BC, 1925BC, 1927 RA, 1927RA, 1943 FB, 1943FB, 1974 LB, 1974LB, I91G00A, J14T00E, J25B00C, J27R00A, J43F00B, J74L00B

All data for this body: [vot]

MPC data
Name (number) Fraternitas (309)
a 2.66362
e 0.11638
i / sin(i) 3.7088 / 0.06469
q 2.35362
Q 2.97362
ω 311.4126
Node 356.3085
m 194.1884
n 0.2267
Epoch 2460800.5
nobs 5658
nopp 53
Years observed 1891-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.665
ep 0.101
sin(ip) 0.070
G 0.150
H 10.640
Mass
D 41.59 0.146
pV 0.045 0.0031
Value
Rotational Period 22.390
Period quality 3
Spectral Class X
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6647 0.1012 0.0701 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
37.22 12.970 12.970 Masiero 2021PSJ.....2..162M NEATM
39.91 15.730 15.730 Masiero 2021PSJ.....2..162M NEATM
40.54 4.050 4.050 Ali-Lagoa 2018A&A...612A..85A NEATM
41.07 0.170 0.170 Masiero 2014ApJ...791..121M NEATM
41.67 10.830 10.830 Masiero 2020PSJ.....1....5M NEATM
42.58 0.350 0.350 Masiero 2012ApJ...759L...8M NEATM
43.85 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
44.53 0.968 0.968 Masiero 2011ApJ...741...68M NEATM
45.32 3.300 3.300 Tedesco 2002AJ....123.1056T STM
45.85 11.100 11.100 Nugent 2016AJ....152...63N NEATM
46.01 4.600 4.600 Ali-Lagoa 2018A&A...612A..85A NEATM
51.27 16.430 16.430 Masiero 2020PSJ.....1....5M NEATM
52.08 16.070 16.070 Masiero 2020PSJ.....1....5M NEATM
52.95 12.403 12.403 Masiero 2017AJ....154..168M NEATM
55.50 14.210 14.210 Masiero 2020PSJ.....1....5M NEATM
58.71 18.250 18.250 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.025 0.0120 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.029 0.0170 0.0170 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0200 0.0200 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0220 0.0220 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0181 0.0181 Masiero 2017AJ....154..168M NEATM
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.030 0.0061 0.0061 Masiero 2011ApJ...741...68M NEATM
0.037 0.0180 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.038 0.0170 0.0310 Masiero 2021PSJ.....2..162M NEATM
0.039 0.0230 0.0230 Masiero 2020PSJ.....1....5M NEATM
0.051 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.056 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.059 0.0100 0.0100 Tedesco 2002AJ....123.1056T STM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.065 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A 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
10.64 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.205 2 Synodic Shevchenko 2008Icar..196..601S Lightcurve
13.2 2 Synodic Robinson 2002MPBu...29...30R Lightcurve
22.39 2 Synodic Shevchenko LCDB Lightcurve
22.398 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
22.398 3 Synodic Pilcher 2015MPBu...42...38P Lightcurve
22.4 2- Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
C 0.365 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.850000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC