Barbara

00234, 1883 PA, 1883PA, 1942 RL1, 1942RL1, 1953 RE, 1953RE, 1975 XP, 1975XP, I83P00A, J42R01L, J53R00E, J75X00P

All data for this body: [vot]

MPC data
Name (number) Barbara (234)
a 2.38474
e 0.24595
i / sin(i) 15.3829 / 0.26527
q 1.79822
Q 2.97125
ω 192.3381
Node 144.4336
m 152.9830
n 0.2676
Epoch 2460800.5
nobs 18486
nopp 59
Years observed 1885-2025
rms 0.38
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.386
ep 0.173
sin(ip) 0.241
G 0.150
H 9.120
Mass
D 47.08 0.195
pV 0.208 0.0068
Value
Rotational Period 26.474
Period quality 3
Spectral Class L
Spectral Class Score 95.270
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3857 0.1735 0.2409 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
40.00 1.000 1.000 Delbo 2009ApJ...694.1228D RADIOMETRY_STM
42.60 0.600 0.600 Delbo 2009ApJ...694.1228D INTERF.
43.75 1.000 1.000 Tedesco 2002AJ....123.1056T STM
45.27 1.434 1.434 Ryan&Woodward 2010AJ....140..933R IRAS-STM
45.29 1.330 1.330 Masiero 2012ApJ...759L...8M NEATM
45.48 0.250 0.250 Masiero 2014ApJ...791..121M NEATM
46.30 5.000 5.000 Tanga 2015MNRAS.448.3382T KOALA/LCS+OCC
47.80 0.680 0.680 Usui 2011PASJ...63.1117U NEATM
48.00 4.800 4.800 Ali-Lagoa 2018A&A...612A..85A NEATM
49.63 9.930 9.930 Ali-Lagoa 2018A&A...612A..85A NEATM
51.00 2.000 2.000 Delbo 2009ApJ...694.1228D RADIOMETRY_NEATM
51.20 2.522 2.522 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
53.80 1.123 1.123 Masiero 2011ApJ...741...68M NEATM
89.00 1.000 1.000 Delbo 2009ApJ...694.1228D RADIOMETRY_FRM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.151 0.0340 0.0340 Masiero 2011ApJ...741...68M NEATM
0.167 0.0165 0.0165 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.190 0.0760 0.0760 Ali-Lagoa 2018A&A...612A..85A NEATM
0.204 0.0410 0.0410 Ali-Lagoa 2018A&A...612A..85A NEATM
0.210 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.212 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM
0.213 0.0134 0.0134 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.228 0.0110 0.0110 Tedesco 2002AJ....123.1056T 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
9.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
26.46 3 Synodic Behrend LCDB Lightcurve
26.463 2 Synodic Hamanowa LCDB Lightcurve
26.468 3- Synodic Behrend LCDB Lightcurve
26.473 3- Synodic Pilcher 2014MPBu...41..155P Lightcurve
26.4744 3 Synodic Tanga 2015MNRAS.448.3382T Lightcurve
26.4803 2 Sidereal Durech 2020A&A...643A..59D Model
26.482 3- Synodic Franco 2019MPBu...46..441F Lightcurve
26.5 2 Synodic Schober 1981A&A....96..302S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.550 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L Bus-DeMeo VISNIR Bourdelle de Micas 2022A&A...665A..83B SPEC
L Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
L Bus-DeMeo VISNIR Devogele 2018Icar..304...31D SPEC
L Bus-DeMeo VISNIR Gietzen 2012M&PS...47.1789G SPEC
L 0.900000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
L S 0.710000 0.290000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
L&D D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
Ld Bus VIS Bus 2002Icar..158..146B SPEC
S 0.890000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC