Midas

01981, 1973 EA, 1973EA, J73E00A

All data for this body: [vot]

MPC data
Name (number) Midas (1981)
a 1.77640
e 0.65052
i / sin(i) 39.8232 / 0.64042
q 0.62082
Q 2.93199
ω 267.8466
Node 356.7945
m 342.0816
n 0.4163
Epoch 2460800.5
nobs 1976
nopp 28
Years observed 1973-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.860
ep 0.481
sin(ip) 0.707
G 0.150
H 15.250
Mass
D 1.96 0.069
pV 0.258 0.1030
Value
Rotational Period 5.200
Period quality 3
Spectral Class V
Spectral Class Score 77.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8602 0.4810 0.7069 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.95 0.070 0.070 Usui 2011PASJ...63.1117U NEATM
2.43 0.490 0.490 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.1030 0.1030 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
15.25 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.2 3- Synodic Franco 2018MPBu...45..273F Lightcurve
5.22 2 Synodic Wisniewski 1997Icar..126..395W Lightcurve
5.22 3 Synodic Mottola 1995LPI....26.1003M Lightcurve
5.22 3 Synodic Torppa 2005DPS....37.1526T Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
V Bus-DeMeo VISNIR Devogele 2019AJ....158..196D SPEC
V Bus-DeMeo VISNIR McGraw 2022PSJ.....3..243M SPEC
V Tholen VISNIR Binzel 2001Icar..151..139B SPEC
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC