Richard

03972, 1950 XF, 1950XF, 1953 VW, 1953VW, 1972 RN, 1972RN, 1981 JD3, 1981JD3, J50X00F, J53V00W, J72R00N, J81J03D

All data for this body: [vot]

MPC data
Name (number) Richard (3972)
a 2.16305
e 0.17780
i / sin(i) 4.1501 / 0.07237
q 1.77846
Q 2.54763
ω 179.1587
Node 163.1832
m 198.8332
n 0.3098
Epoch 2460800.5
nobs 4416
nopp 27
Years observed 1950-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.164
ep 0.097
sin(ip) 0.070
G 0.150
H 13.960
Mass
D 4.08 0.096
pV 0.202 0.0276
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 22.548
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1637 0.0969 0.0697 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.98 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM
4.12 0.117 0.117 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.0294 0.0294 Masiero 2011ApJ...741...68M NEATM
0.369 0.0810 0.0810 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
13.96 MPC-2023-12-04 MPC-2023-12-04 Phot
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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.738 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.93 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.7100 0.7100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT