Libera

00771, 1913 WB, 1913WB, 1958 HA, 1958HA, J13W00B, J58H00A

All data for this body: [vot]

MPC data
Name (number) Libera (771)
a 2.65108
e 0.24779
i / sin(i) 14.8928 / 0.25701
q 1.99416
Q 3.30800
ω 228.7070
Node 217.8455
m 276.9866
n 0.2283
Epoch 2460800.5
nobs 10395
nopp 52
Years observed 1913-2025
rms 0.44
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.650
ep 0.256
sin(ip) 0.271
G 0.150
H 10.460
Mass
D 28.94 0.141
pV 0.117 0.0048
Value
Rotational Period 5.890
Period quality 3
Spectral Class M
Spectral Class Score 27.300
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6503 0.2560 0.2713 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
23.19 0.745 0.745 Ryan&Woodward 2010AJ....140..933R IRAS-STM
28.17 0.330 0.330 Masiero 2014ApJ...791..121M NEATM
28.53 5.710 5.710 Ali-Lagoa 2018A&A...612A..85A NEATM
28.91 0.720 0.720 Usui 2011PASJ...63.1117U NEATM
29.00 1.403 1.403 Masiero 2011ApJ...741...68M NEATM
29.00 2.544 2.544 Masiero 2011ApJ...741...68M NEATM
29.32 0.170 0.170 Masiero 2014ApJ...791..121M NEATM
29.38 1.100 1.100 Tedesco 2002AJ....123.1056T STM
30.21 6.040 6.040 Ali-Lagoa 2018A&A...612A..85A NEATM
30.50 1.300 1.300 Hanus 2015Icar..256..101H RADIOMETRY_TPM
32.00 5.000 2.000 Hanus 2015Icar..256..101H RADIOMETRY_TPM
39.00 1.917 1.917 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.074 0.0074 0.0074 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.120 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.128 0.0283 0.0283 Masiero 2011ApJ...741...68M NEATM
0.130 0.0158 0.0158 Masiero 2011ApJ...741...68M NEATM
0.130 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.130 0.0100 0.0100 Tedesco 2002AJ....123.1056T STM
0.165 0.0660 0.0660 Ali-Lagoa 2018A&A...612A..85A NEATM
0.186 0.0740 0.0740 Ali-Lagoa 2018A&A...612A..85A NEATM
0.209 0.0133 0.0133 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
10.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.89 2- Synodic Behrend LCDB Lightcurve
5.89 2 Synodic Behrend LCDB Lightcurve
5.886 2 Synodic Behrend LCDB Lightcurve
5.8883 3 Synodic Behrend LCDB Lightcurve
5.89 3 Synodic Marciniak 2009A&A...508.1503M Lightcurve
5.89043 2 Sidereal Martikainen 2021A&A...649A..98M Model
5.892 3 Synodic Warner 2000MPBu...27....4W Lightcurve
5.92 3 Synodic Binzel 1987Icar...72..135B Lightcurve
5.93 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
Cgx Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT
EMP Tholen VIS Clark 1995Icar..113..387C PHOT
M 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
M 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
M 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
M 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
P C 0.540000 0.420000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.3390 0.4650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6162 0.4650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xk Bus-DeMeo VISNIR Neeley 2014Icar..238...37N SPEC