Hiroko
06225, 1981 EK12, 1981EK12, 1991 GH6, 1991GH6, J81E12K, J91G06H
All data for this body: [vot]
MPC data
| Name (number) |
Hiroko (6225) |
| a |
2.21120 |
| e |
0.03383 |
| i / sin(i) |
5.3455 /
0.09316
|
| q |
2.13640
|
| Q |
2.28599
|
| ω |
321.6378 |
| Node |
218.4326 |
| m |
150.6966 |
| n |
0.2998 |
| Epoch |
2460800.5 |
| nobs |
2241 |
| nopp |
24 |
| Years observed |
1955-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.211 |
|
| ep |
0.097 |
|
| sin(ip) |
0.104 |
|
| G |
0.150 |
|
| H |
15.340 |
|
| Mass |
|
|
| D |
2.10 |
0.434 |
| pV |
0.332 |
0.0887 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
8.540 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2114 |
0.0967 |
0.1040 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.10 |
0.434 |
0.434 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.332 |
0.0887 |
0.0887 |
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 |
| 15.34 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |