1997 GN21
1997GN21, 52564, J97G21N
All data for this body: [vot]
MPC data
| Name (number) |
1997 GN21 (52564) |
| a |
2.32976 |
| e |
0.15910 |
| i / sin(i) |
4.7317 /
0.08249
|
| q |
1.95909
|
| Q |
2.70043
|
| ω |
200.1180 |
| Node |
22.2568 |
| m |
314.5257 |
| n |
0.2772 |
| Epoch |
2460800.5 |
| nobs |
1049 |
| nopp |
20 |
| Years observed |
1997-2025 |
| rms |
0.74 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.330 |
|
| ep |
0.188 |
|
| sin(ip) |
0.076 |
|
| G |
0.150 |
|
| H |
16.060 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
13.603 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3296 |
0.1882 |
0.0759 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 16.06 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |