1989 SL12
1989SL12, 11866, 1981 CC, 1981CC, 1991 BD3, 1991BD3, J81C00C, J89S12L, J91B03D
All data for this body: [vot]
MPC data
| Name (number) |
1989 SL12 (11866) |
| a |
2.89532 |
| e |
0.16453 |
| i / sin(i) |
0.8312 /
0.01451
|
| q |
2.41894
|
| Q |
3.37170
|
| ω |
134.2354 |
| Node |
309.3711 |
| m |
18.3258 |
| n |
0.2001 |
| Epoch |
2460800.5 |
| nobs |
2823 |
| nopp |
27 |
| Years observed |
1981-2025 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.896 |
|
| ep |
0.163 |
|
| sin(ip) |
0.033 |
|
| G |
0.150 |
|
| H |
14.040 |
|
| Mass |
|
|
| D |
3.77 |
0.177 |
| pV |
0.653 |
0.1267 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8964 |
0.1628 |
0.0331 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.77 |
0.177 |
0.177 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.653 |
0.1267 |
0.1267 |
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 |
| 14.04 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |