Ducrosa

00400, 1895 EC, 1895EC, 1939 BH, 1939BH, 1950 BC1, 1950BC1, 1950 BQ, 1950BQ, 1950 CB, 1950CB, I95E00C, J39B00H, J50B00Q, J50B01C, J50C00B

All data for this body: [vot]

MPC data
Name (number) Ducrosa (400)
a 3.12609
e 0.11575
i / sin(i) 10.5277 / 0.18271
q 2.76424
Q 3.48795
ω 236.7963
Node 327.0072
m 146.2422
n 0.1783
Epoch 2460800.5
nobs 7766
nopp 46
Years observed 1895-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.132
ep 0.137
sin(ip) 0.200
G 0.150
H 10.750
Mass
D 33.28 0.148
pV 0.133 0.0083
Value
Rotational Period 6.867
Period quality 3
Spectral Class B
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1317 0.1366 0.1998 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
29.83 2.283 2.283 Ryan&Woodward 2010AJ....140..933R IRAS-STM
31.54 0.520 0.520 Masiero 2012ApJ...759L...8M NEATM
32.31 3.230 3.230 Ali-Lagoa 2018A&A...612A..85A NEATM
32.61 0.198 0.198 Masiero 2011ApJ...741...68M NEATM
33.35 0.490 0.490 Usui 2011PASJ...63.1117U NEATM
33.66 1.600 1.600 Tedesco 2002AJ....123.1056T STM
34.10 0.500 0.500 Hanus 2018Icar..309..297H RADIOMETRY_TPM
35.20 1.100 1.100 Hanus 2018Icar..309..297H RADIOMETRY_TPM
36.00 0.390 0.390 Masiero 2014ApJ...791..121M NEATM
36.53 7.310 7.310 Ali-Lagoa 2018A&A...612A..85A NEATM
37.50 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
38.19 4.689 4.689 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.091 0.0360 0.0360 Ali-Lagoa 2018A&A...612A..85A NEATM
0.112 0.0220 0.0220 Masiero 2012ApJ...759L...8M NEATM
0.116 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A NEATM
0.120 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.120 0.0302 0.0302 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.142 0.0140 0.0140 Tedesco 2002AJ....123.1056T STM
0.153 0.0306 0.0306 Masiero 2011ApJ...741...68M NEATM
0.186 0.0268 0.0268 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
10.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.8678 3 Synodic Pilcher 2020MPBu...47...34P Lightcurve
6.86782 2 Sidereal Durech 2023A&A...675A..24D Model
6.86788 2 Sidereal Hanus 2011A&A...530A.134H Model
6.86788 2 Sidereal Martikainen 2021A&A...649A..98M Model
6.87 3- Synodic Warner 2005MPBu...32...54W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Lazzaro 2004Icar..172..179L SPEC
B Tholen VIS Lazzaro 2004Icar..172..179L SPEC
C 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC