2001 AL31

2001AL31, 42100, K01A31L

All data for this body: [vot]

MPC data
Name (number) 2001 AL31 (42100)
a 2.56141
e 0.18807
i / sin(i) 8.5392 / 0.14849
q 2.07968
Q 3.04314
ω 282.8344
Node 67.9160
m 65.5631
n 0.2404
Epoch 2460800.5
nobs 1877
nopp 20
Years observed 1991-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.560
ep 0.148
sin(ip) 0.134
G 0.150
H 15.150
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 0.265
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5599 0.1484 0.1344 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.15 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 S 0.0442 0.0442 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT