2001 AA34

2001AA34, 1999 RO142, 1999RO142, 42101, J99RE2O, K01A34A

All data for this body: [vot]

MPC data
Name (number) 2001 AA34 (42101)
a 2.53449
e 0.02492
i / sin(i) 4.9314 / 0.08596
q 2.47133
Q 2.59766
ω 119.2041
Node 45.2942
m 322.0391
n 0.2443
Epoch 2460800.5
nobs 1441
nopp 22
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.534
ep 0.077
sin(ip) 0.075
G 0.150
H 15.040
Mass
D 2.70 0.249
pV 0.240 0.0401
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.356
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5340 0.0773 0.0748 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.54 0.418 0.418 Masiero 2011ApJ...741...68M NEATM
2.79 0.310 0.310 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.228 0.0631 0.0631 Masiero 2011ApJ...741...68M NEATM
0.248 0.0520 0.0520 Masiero 2012ApJ...759L...8M 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
15.04 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 0.726 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT