Richelen

04129, 1973 TW, 1973TW, 1977 RE4, 1977RE4, 1986 VZ7, 1986VZ7, 1988 DM, 1988DM, J73T00W, J77R04E, J86V07Z, J88D00M

All data for this body: [vot]

MPC data
Name (number) Richelen (4129)
a 2.56363
e 0.25126
i / sin(i) 7.1314 / 0.12415
q 1.91949
Q 3.20777
ω 70.9449
Node 245.2165
m 231.4258
n 0.2401
Epoch 2460800.5
nobs 3724
nopp 27
Years observed 1973-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.563
ep 0.221
sin(ip) 0.147
G 0.150
H 13.550
Mass
D 5.41 0.027
pV 0.247 0.0161
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.988
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5627 0.2206 0.1468 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.01 0.820 0.820 Nugent 2016AJ....152...63N NEATM
5.39 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
5.40 0.030 0.030 Masiero 2011ApJ...741...68M NEATM
6.09 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.228 0.0220 0.0220 Masiero 2012ApJ...759L...8M NEATM
0.240 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.260 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.290 0.0402 0.0402 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
13.55 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 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT