1997 GJ8
1997GJ8, 12487, 1980 BE, 1980BE, 1998 MJ13, 1998MJ13, J80B00E, J97G08J, J98M13J
All data for this body: [vot]
MPC data
| Name (number) |
1997 GJ8 (12487) |
| a |
3.08047 |
| e |
0.08786 |
| i / sin(i) |
10.1229 /
0.17576
|
| q |
2.80982
|
| Q |
3.35111
|
| ω |
244.2393 |
| Node |
221.8741 |
| m |
171.1466 |
| n |
0.1823 |
| Epoch |
2460800.5 |
| nobs |
3373 |
| nopp |
25 |
| Years observed |
1980-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.075 |
|
| ep |
0.108 |
|
| sin(ip) |
0.195 |
|
| G |
0.150 |
|
| H |
13.280 |
|
| Mass |
|
|
| D |
8.05 |
0.103 |
| pV |
0.130 |
0.0375 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
3.376 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0755 |
0.1084 |
0.1952 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 8.05 |
0.103 |
0.103 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.130 |
0.0375 |
0.0375 |
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 |
| 13.28 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |