Dufour

01961, 1927 UM, 1927UM, 1952 BQ1, 1952BQ1, 1962 YG, 1962YG, 1969 AH, 1969AH, 1973 SY3, 1973SY3, 1973 WA, 1973WA, J27U00M, J52B01Q, J62Y00G, J69A00H, J73S03Y, J73W00A

All data for this body: [vot]

MPC data
Name (number) Dufour (1961)
a 3.18943
e 0.12611
i / sin(i) 6.6501 / 0.11581
q 2.78722
Q 3.59165
ω 56.5488
Node 29.5498
m 311.4535
n 0.1730
Epoch 2460800.5
nobs 5868
nopp 38
Years observed 1952-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.200
ep 0.106
sin(ip) 0.112
G 0.150
H 10.820
Mass
D 51.48 0.727
pV 0.037 0.0017
Value
Rotational Period 15.700
Period quality 3-
Spectral Class X
Spectral Class Score 5.892
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1996 0.1060 0.1117 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
45.30 20.140 20.140 Masiero 2021PSJ.....2..162M NEATM
45.51 15.470 15.470 Masiero 2021PSJ.....2..162M NEATM
46.67 4.670 4.670 Ali-Lagoa 2018A&A...612A..85A NEATM
50.31 1.600 1.600 Tedesco 2002AJ....123.1056T STM
51.15 0.980 0.980 Usui 2011PASJ...63.1117U NEATM
52.95 17.090 17.090 Nugent 2016AJ....152...63N NEATM
53.88 17.350 17.350 Masiero 2021PSJ.....2..162M NEATM
54.05 2.002 2.002 Ryan&Woodward 2010AJ....140..933R IRAS-STM
54.12 2.925 2.925 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
54.57 5.460 5.460 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.032 0.0150 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.033 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.035 0.0027 0.0027 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.035 0.0036 0.0036 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.036 0.0220 0.0550 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0210 0.0430 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.045 0.0090 0.0090 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
10.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.758 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
15.78 2 Synodic McNeill 2019ApJS..245...29M Lightcurve
15.78873 2 Sidereal Durech 2019A&A...631A...2D Model
15.7899 2 Sidereal Durech 2023A&A...675A..24D Model
15.79 3- 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
X 0.982 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.5808 0.5808 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT