Yayoi

04072, 1972 YW, 1972YW, 1975 XS5, 1975XS5, 1981 UJ4, 1981UJ4, 1983 JO, 1983JO, 1984 UU2, 1984UU2, 1984 WK1, 1984WK1, 1987 SL6, 1987SL6, J72Y00W, J75X05S, J81U04J, J83J00O, J84U02U, J84W01K, J87S06L

All data for this body: [vot]

MPC data
Name (number) Yayoi (4072)
a 2.14465
e 0.06466
i / sin(i) 2.1610 / 0.03771
q 2.00597
Q 2.28333
ω 127.1685
Node 21.2647
m 211.3016
n 0.3138
Epoch 2460800.5
nobs 4001
nopp 30
Years observed 1972-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.142
ep 0.138
sin(ip) 0.032
G 0.150
H 13.490
Mass
D 4.69 0.160
pV 0.384 0.0410
Value
Rotational Period 4.000
Period quality 3
Spectral Class S
Spectral Class Score 15.950
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1422 0.1379 0.0322 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.69 0.160 0.160 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.384 0.0410 0.0410 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
13.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.006 3 Synodic Pravec LCDB Lightcurve
4.006394 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT