1999 AK2

1999AK2, 2000 HV21, 2000HV21, 29710, J99A02K, K00H21V

All data for this body: [vot]

MPC data
Name (number) 1999 AK2 (29710)
a 2.65089
e 0.09188
i / sin(i) 3.8069 / 0.06639
q 2.40731
Q 2.89446
ω 16.9163
Node 39.3010
m 87.8065
n 0.2284
Epoch 2460800.5
nobs 1922
nopp 21
Years observed 1997-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.652
ep 0.069
sin(ip) 0.054
G 0.150
H 14.760
Mass
D 3.45 0.967
pV 0.258 0.1738
Value
Rotational Period 4.730
Period quality 2
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6518 0.0686 0.0538 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.45 0.967 0.967 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.1738 0.1738 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
14.76 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.73041 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT