Alvarez

03581, 1962 JL, 1962JL, 1971 KE, 1971KE, 1981 TG4, 1981TG4, 1985 HC, 1985HC, J62J00L, J71K00E, J81T04G, J85H00C

All data for this body: [vot]

MPC data
Name (number) Alvarez (3581)
a 2.77188
e 0.40635
i / sin(i) 28.8741 / 0.48289
q 1.64553
Q 3.89824
ω 107.5453
Node 217.4073
m 188.5703
n 0.2136
Epoch 2460800.5
nobs 3545
nopp 30
Years observed 1962-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.773
ep 0.276
sin(ip) 0.544
G 0.150
H 12.320
Mass
D 13.70 1.485
pV 0.110 0.0300
Value
Rotational Period 33.400
Period quality 2
Spectral Class B
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7733 0.2756 0.5440 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.70 2.100 2.100 Ali-Lagoa 2017A&A...603A..55A NEATM
13.70 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.110 0.0300 0.0300 Ali-Lagoa 2017A&A...603A..55A 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
12.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
24.0 1 Synodic Wisniewski 1997Icar..126..395W Lightcurve
33.42 2 Synodic Koff 2005MPBu...32...32K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Binzel 2019Icar..324...41B SPEC
B Bus VIS Bus 2002Icar..158..146B SPEC
C P 0.480000 0.230000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC