Demokritos

06129, 1950 DC, 1950DC, 1973 AZ, 1973AZ, 1989 RB2, 1989RB2, J50D00C, J73A00Z, J89R02B

All data for this body: [vot]

MPC data
Name (number) Demokritos (6129)
a 2.79343
e 0.17038
i / sin(i) 6.5096 / 0.11337
q 2.31748
Q 3.26937
ω 296.2044
Node 293.5670
m 202.2738
n 0.2111
Epoch 2460200.5
nobs 3625
nopp 29
Years observed 1950-2023
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.794
ep 0.198
sin(ip) 0.138
Value Standard error
G 0.150
H 13.040
Mass
D 17.05 0.092
pV 0.067 0.0020
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7936 0.1976 0.1375 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.75 0.729 0.729 Ryan&Woodward 2010AJ....140..933R IRAS-STM
14.32 0.840 0.840 Usui 2011PASJ...63.1117U NEATM
14.48 2.900 2.900 Ali-Lagoa 2018A&A...612A..85A NEATM
15.69 0.800 0.800 Tedesco 2002AJ....123.1056T STM
17.10 0.095 0.095 Masiero 2011ApJ...741...68M NEATM
17.48 5.472 5.472 Masiero 2017AJ....154..168M NEATM
17.99 5.458 5.458 Masiero 2017AJ....154..168M NEATM
18.16 4.660 4.660 Masiero 2021PSJ.....2..162M NEATM
19.63 4.600 4.600 Masiero 2012ApJ...759L...8M NEATM
22.87 0.824 0.824 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.025 0.0100 0.0170 Masiero 2021PSJ.....2..162M NEATM
0.032 0.0150 0.0150 Masiero 2012ApJ...759L...8M NEATM
0.034 0.0208 0.0208 Masiero 2017AJ....154..168M NEATM
0.036 0.0250 0.0250 Masiero 2017AJ....154..168M NEATM
0.041 0.0030 0.0030 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.059 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A NEATM
0.071 0.0038 0.0038 Masiero 2011ApJ...741...68M NEATM
0.086 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.131 0.0047 0.0047 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
13.04 MPC-2023-12-04 MPC-2023-12-04 Phot