Themis

00024, 1853 GA, 1853GA, 1947 BA, 1947BA, 1955 OH, 1955OH, I53G00A, J47B00A, J55O00H

All data for this body: [vot]

MPC data
Name (number) Themis (24)
a 3.14941
e 0.11648
i / sin(i) 0.7390 / 0.01290
q 2.78256
Q 3.51626
ω 108.0583
Node 36.4975
m 276.2980
n 0.1763
Epoch 2460200.5
nobs 4745
nopp 94
Years observed 1853-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.135
ep 0.153
sin(ip) 0.019
Value Standard error
G 0.150
H 7.260
Mass 5.413e+18 6.997e+17
D 184.11 1.627
pV 0.065 0.0056
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1345 0.1534 0.0190 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0600e+19 4.5700e+18 4.5700e+18 Fienga 2011CeMDA.111..363F Ephem
1.1300e+19 4.2800e+18 4.2800e+18 Baer 2008CeMDA.100...27B Deflec
1.2700e+19 Folkner 2014IPNPR.196C...1F Ephem
1.9900e+18 3.9800e+18 3.9800e+18 Aslan 2007ASPC..370...52A Ephem
2.1580e+18 2.4670e+18 2.4670e+18 Fienga 2017NSTIM.108.....V Ephem
3.7293e+18 1.5695e+18 1.5695e+18 Fienga INPOP19a Ephem
3.9600e+18 2.8100e+18 2.8100e+18 Zielenbach 2011AJ....142..120Z Deflec
4.7800e+18 1.8400e+18 1.8400e+18 Zielenbach 2011AJ....142..120Z Deflec
5.2500e+18 2.3400e+18 2.3400e+18 Zielenbach 2011AJ....142..120Z Deflec
5.7500e+18 2.5100e+18 2.5100e+18 Lopez-Garcia 1997dana.coll..199L Deflec
6.0400e+18 Folkner 2009IPNPR.178C...1F Ephem
6.1600e+18 1.8500e+18 1.8500e+18 Zielenbach 2011AJ....142..120Z Deflec
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
176.81 2.300 2.300 Usui 2011PASJ...63.1117U NEATM
184.75 3.170 3.170 Masiero 2012ApJ...759L...8M NEATM
193.21 19.320 19.320 Ali-Lagoa 2018A&A...612A..85A NEATM
195.52 4.360 4.360 Masiero 2014ApJ...791..121M NEATM
202.34 6.054 6.054 Masiero 2011ApJ...741...68M NEATM
208.73 20.870 20.870 Ali-Lagoa 2018A&A...612A..85A NEATM
215.00 15.000 15.000 Viikinkoski 2017A&A...607A.117 AO/LC
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.055 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.064 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A NEATM
0.064 0.0157 0.0157 Masiero 2011ApJ...741...68M NEATM
0.070 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.076 0.0160 0.0160 Masiero 2012ApJ...759L...8M 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
7.26 MPC-2023-12-04 MPC-2023-12-04 Phot