Alden

02941, 1930 YV, 1930YV, 1933 WH, 1933WH, 1947 BD, 1947BD, 1976 JY8, 1976JY8, 1982 FA2, 1982FA2, J30Y00V, J33W00H, J47B00D, J76J08Y, J82F02A

All data for this body: [vot]

MPC data
Name (number) Alden (2941)
a 2.15142
e 0.08942
i / sin(i) 3.2397 / 0.05651
q 1.95905
Q 2.34379
ω 65.3510
Node 10.2820
m 331.8940
n 0.3123
Epoch 2460800.5
nobs 6299
nopp 28
Years observed 1930-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.152
ep 0.135
sin(ip) 0.049
G 0.150
H 13.650
Mass
D 5.10 0.040
pV 0.212 0.0215
Value
Rotational Period 64.640
Period quality 2
Spectral Class S
Spectral Class Score 5.748
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1517 0.1349 0.0485 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.78 0.970 0.970 Nugent 2016AJ....152...63N NEATM
4.82 0.110 0.110 Masiero 2014ApJ...791..121M NEATM
5.14 0.043 0.043 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.185 0.0325 0.0325 Masiero 2011ApJ...741...68M NEATM
0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.280 0.1000 0.1000 Nugent 2016AJ....152...63N 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
13.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
64.644 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 0.958 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT