Unitas

00306, 1891 EA, 1891EA, I91E00A

All data for this body: [vot]

MPC data
Name (number) Unitas (306)
a 2.35716
e 0.15208
i / sin(i) 7.2783 / 0.12669
q 1.99869
Q 2.71563
ω 167.9689
Node 141.7851
m 240.1018
n 0.2723
Epoch 2460800.5
nobs 4953
nopp 71
Years observed 1891-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.358
ep 0.117
sin(ip) 0.117
G 0.150
H 8.760
Mass
D 47.20 0.126
pV 0.194 0.0063
Value
Rotational Period 8.730
Period quality 3
Spectral Class S
Spectral Class Score 31.741
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3580 0.1174 0.1171 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
45.22 2.070 2.070 Masiero 2012ApJ...759L...8M NEATM
46.24 0.640 0.640 Usui 2011PASJ...63.1117U NEATM
46.70 2.300 2.300 Tedesco 2002AJ....123.1056T STM
47.14 4.710 4.710 Ali-Lagoa 2018A&A...612A..85A NEATM
47.20 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
47.38 10.710 10.710 Nugent 2016AJ....152...63N NEATM
48.24 1.380 1.380 Ryan&Woodward 2010AJ....140..933R IRAS-STM
49.00 5.000 5.000 Durech 2011Icar..214..652D OCCULT
49.09 9.400 9.400 Nugent 2016AJ....152...63N NEATM
49.74 4.970 4.970 Ali-Lagoa 2018A&A...612A..85A NEATM
51.60 6.333 6.333 Masiero 2011ApJ...741...68M NEATM
55.00 nan nan Delbo 2009P&SS...57..259D RADIOMETRY_TPM
55.48 2.810 2.810 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
57.00 nan nan Delbo 2009P&SS...57..259D RADIOMETRY_TPM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.150 0.0157 0.0157 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.174 0.0603 0.0603 Masiero 2011ApJ...741...68M NEATM
0.199 0.0114 0.0114 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.200 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.211 0.0230 0.0230 Tedesco 2002AJ....123.1056T STM
0.225 0.0470 0.0470 Masiero 2012ApJ...759L...8M NEATM
0.226 0.0450 0.0450 Ali-Lagoa 2018A&A...612A..85A NEATM
0.240 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.250 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.251 0.0500 0.0500 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
8.76 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.733 1+ Synodic Behrend LCDB Lightcurve
8.736 2+ Synodic Carbognani 2019P&SS..169...15C Lightcurve
8.736 3 Synodic Behrend LCDB Lightcurve
8.736 3 Synodic Koff 2004MPBu...31...58K Lightcurve
8.7386 3- Synodic Behrend LCDB Lightcurve
8.73875 2 Sidereal Durech 2011Icar..214..652D Model
8.73875 2 Sidereal Durech LCDB Model
8.7393 2 Sidereal Durech 2023A&A...675A..24D Model
8.74 Synodic Hainaut Rouelle 1995A&AS..112..125H Lightcurve
8.74 Synodic Piironen 1998A&AS..128..525P Lightcurve
8.75 3 Synodic Harris 1983Icar...54...59H Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.9568 0.9920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.9920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT