Alkeste

00124, 1872 QA, 1872QA, I72Q00A

All data for this body: [vot]

MPC data
Name (number) Alkeste (124)
a 2.62866
e 0.07817
i / sin(i) 2.9638 / 0.05171
q 2.42318
Q 2.83414
ω 61.9882
Node 187.9116
m 223.8489
n 0.2313
Epoch 2460200.5
nobs 4217
nopp 77
Years observed 1872-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.630
ep 0.109
sin(ip) 0.057
Value Standard error
G 0.150
H 8.120
Mass 8.579e+17 3.658e+17
D 81.25 0.679
pV 0.166 0.0053
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6299 0.1092 0.0565 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.1189e+18 5.1725e+17 5.1725e+17 Fienga INPOP19a Ephem
5.9700e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
75.02 3.370 3.370 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
76.36 1.700 1.700 Tedesco 2002AJ....123.1056T STM
77.88 7.790 7.790 Ali-Lagoa 2018A&A...612A..85A NEATM
78.02 2.376 2.376 Ryan&Woodward 2010AJ....140..933R IRAS-STM
81.21 8.120 8.120 Ali-Lagoa 2018A&A...612A..85A NEATM
81.39 0.930 0.930 Usui 2011PASJ...63.1117U NEATM
88.65 1.650 1.650 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.128 0.0140 0.0140 Masiero 2012ApJ...759L...8M NEATM
0.166 0.0103 0.0103 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.173 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.174 0.0350 0.0350 Ali-Lagoa 2018A&A...612A..85A NEATM
0.180 0.0157 0.0157 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.189 0.0380 0.0380 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
8.12 MPC-2023-12-04 MPC-2023-12-04 Phot