Masaharu

05850, 1974 VS1, 1974VS1, 1977 RJ20, 1977RJ20, 1990 XM, 1990XM, J74V01S, J77R20J, J90X00M

All data for this body: [vot]

MPC data
Name (number) Masaharu (5850)
a 2.16282
e 0.17325
i / sin(i) 2.3486 / 0.04098
q 1.78810
Q 2.53753
ω 258.3372
Node 114.5116
m 336.8112
n 0.3099
Epoch 2460800.5
nobs 3149
nopp 25
Years observed 1974-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.163
ep 0.131
sin(ip) 0.031
G 0.150
H 14.360
Mass
D 3.34 0.035
pV 0.329 0.0384
Value
Rotational Period 301.600
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1629 0.1307 0.0312 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.34 0.035 0.035 Masiero 2011ApJ...741...68M NEATM
3.67 1.020 1.020 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.1800 0.1800 Nugent 2016AJ....152...63N NEATM
0.334 0.0393 0.0393 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
14.36 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
301.69 2 Sidereal Durech 2020A&A...643A..59D Model
301.7 2 Sidereal Durech 2023A&A...675A..24D Model