2001 QA81

2001QA81, H8936, K01Q81A

All data for this body: [vot]

MPC data
Name (number) 2001 QA81 (178936)
a 2.75976
e 0.20663
i / sin(i) 6.5819 / 0.11462
q 2.18953
Q 3.33000
ω 65.8320
Node 291.8176
m 65.3327
n 0.2150
Epoch 2460800.5
nobs 929
nopp 15
Years observed 2001-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.757
ep 0.164
sin(ip) 0.138
G 0.150
H 15.560
Mass
D 3.64 0.182
pV 0.133 0.0156
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.614
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7571 0.1641 0.1376 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.64 0.182 0.182 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.133 0.0156 0.0156 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
15.56 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
C 0.769 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT