Etna
11249, 1971 FD, 1971FD, 1982 UN8, 1982UN8, 1998 XA9, 1998XA9, J71F00D, J82U08N, J98X09A
All data for this body: [vot]
MPC data
| Name (number) |
Etna (11249) |
| a |
3.94827 |
| e |
0.19438 |
| i / sin(i) |
14.4563 /
0.24964
|
| q |
3.18082
|
| Q |
4.71573
|
| ω |
296.2781 |
| Node |
3.7182 |
| m |
210.8850 |
| n |
0.1256 |
| Epoch |
2460800.5 |
| nobs |
3844 |
| nopp |
25 |
| Years observed |
1971-2025 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.966 |
|
| ep |
0.193 |
|
| sin(ip) |
0.244 |
|
| G |
0.150 |
|
| H |
12.290 |
|
| Mass |
|
|
| D |
9.97 |
0.880 |
| pV |
0.371 |
0.0970 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
T/D |
| Spectral Class Score |
21.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.9665 |
0.1928 |
0.2442 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 9.97 |
0.880 |
0.880 |
Grav |
2012ApJ...744..197G |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.371 |
0.0970 |
0.0970 |
Grav |
2012ApJ...744..197G |
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 |
| 12.29 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |