1991 AK
1991AK, 09952, 1976 SV2, 1976SV2, 1989 SY6, 1989SY6, J76S02V, J89S06Y, J91A00K
All data for this body: [vot]
MPC data
| Name (number) |
1991 AK (9952) |
| a |
2.65704 |
| e |
0.04480 |
| i / sin(i) |
1.9278 /
0.03364
|
| q |
2.53801
|
| Q |
2.77607
|
| ω |
157.2824 |
| Node |
332.4071 |
| m |
324.0958 |
| n |
0.2276 |
| Epoch |
2460800.5 |
| nobs |
4138 |
| nopp |
24 |
| Years observed |
1976-2025 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.655 |
|
| ep |
0.075 |
|
| sin(ip) |
0.041 |
|
| G |
0.150 |
|
| H |
13.190 |
|
| Mass |
|
|
| D |
7.34 |
0.242 |
| pV |
0.227 |
0.0266 |
|
Value |
| Rotational Period |
19.840 |
| Period quality |
2 |
| Spectral Class |
L |
| Spectral Class Score |
0.762 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6552 |
0.0746 |
0.0412 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.34 |
0.242 |
0.242 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.227 |
0.0266 |
0.0266 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.19 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 19.846 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| L |
|
0.127 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |