Machado

02543, 1943 UB, 1943UB, 1948 QP, 1948QP, 1959 SL, 1959SL, 1976 YQ6, 1976YQ6, 1980 LJ, 1980LJ, 1981 RN1, 1981RN1, J43U00B, J48Q00P, J59S00L, J76Y06Q, J80L00J, J81R01N

All data for this body: [vot]

MPC data
Name (number) Machado (2543)
a 3.09761
e 0.28208
i / sin(i) 15.0426 / 0.25954
q 2.22385
Q 3.97138
ω 286.5687
Node 40.8383
m 39.4044
n 0.1808
Epoch 2460800.5
nobs 5893
nopp 34
Years observed 1943-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.091
ep 0.242
sin(ip) 0.268
G 0.150
H 11.230
Mass
D 14.61 0.191
pV 0.286 0.0428
Value
Rotational Period 38.930
Period quality 2
Spectral Class S
Spectral Class Score 11.767
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0912 0.2417 0.2678 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.47 0.194 0.194 Masiero 2011ApJ...741...68M NEATM
18.49 1.070 1.070 Usui 2011PASJ...63.1117U NEATM
19.02 3.800 3.800 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.186 0.0740 0.0740 Ali-Lagoa 2018A&A...612A..85A NEATM
0.336 0.0525 0.0525 Masiero 2011ApJ...741...68M 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
11.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
31.72 2 Synodic Oey LCDB Lightcurve
38.933 2 Synodic Polakis 2020MPBu...47...94P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.978 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9831 0.9831 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT