Ulla

00909, 1912 CA, 1912CA, 1919 CA, 1919CA, 1936 SJ, 1936SJ, 1949 OF1, 1949OF1, 1949 PW, 1949PW, 1966 BU, 1966BU, 1966 DM, 1966DM, J12C00A, J19C00A, J36S00J, J49O01F, J49P00W, J66B00U, J66D00M

All data for this body: [vot]

MPC data
Name (number) Ulla (909)
a 3.54691
e 0.09400
i / sin(i) 18.7934 / 0.32216
q 3.21351
Q 3.88032
ω 230.6526
Node 146.0088
m 88.2796
n 0.1475
Epoch 2460800.5
nobs 5585
nopp 51
Years observed 1920-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Ulla (909)
 
ap 3.543
ep 0.050
sin(ip) 0.308
G 0.150
H 8.760
Mass 2.349e+18 8.237e+17
D 115.07 1.132
pV 0.034 0.0008
Value
Rotational Period 8.715
Period quality 3
Spectral Class X
Spectral Class Score 39.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
909 Ulla 0 Ulla Novakovic 2019EPSC...13.1671N HCM
909 Ulla 903 Ulla Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.5429 0.0502 0.3085 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.2700e+18 Folkner 2014IPNPR.196C...1F Ephem
2.4282e+18 1.1649e+18 1.1649e+18 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
104.00 20.800 20.800 Ali-Lagoa 2018A&A...612A..85A NEATM
109.75 10.970 10.970 Ali-Lagoa 2018A&A...612A..85A NEATM
113.13 1.480 1.480 Usui 2011PASJ...63.1117U NEATM
116.40 5.832 5.832 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
116.44 2.400 2.400 Tedesco 2002AJ....123.1056T STM
120.61 3.092 3.092 Ryan&Woodward 2010AJ....140..933R IRAS-STM
131.52 13.150 13.150 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0016 0.0016 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.034 0.0010 0.0010 Tedesco 2002AJ....123.1056T STM
0.035 0.0035 0.0035 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.036 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.051 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0230 0.0230 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
8.71 2 Synodic Gonano 1991AdSpR..11l.197G Lightcurve
8.714 3 Synodic Franco 2021MPBu...48..372F Lightcurve
8.7155 3 Synodic Behrend LCDB Lightcurve
8.72 2+ Synodic Behrend LCDB Lightcurve
8.73 3 Synodic Lagerkvist 2001Icar..149..190L Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C P 0.650000 0.340000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
P Fornasier VIS Fornasier 2011Icar..214..131F SPEC
P Tholen NIR Clark 2004AJ....128.3070C SPEC
P 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X Bus-DeMeo NIR Fornasier 2011Icar..214..131F SPEC
X Bus-DeMeo VIS De Pra 2018Icar..311...35D SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT