2006 GR21
2006GR21, 1998 SA172, 1998SA172, J9647, J98SH2A, K06G21R
All data for this body: [vot]
MPC data
| Name (number) |
2006 GR21 (199647) |
| a |
2.85902 |
| e |
0.05762 |
| i / sin(i) |
6.1806 /
0.10766
|
| q |
2.69429
|
| Q |
3.02376
|
| ω |
22.0718 |
| Node |
197.2348 |
| m |
311.5481 |
| n |
0.2039 |
| Epoch |
2460800.5 |
| nobs |
388 |
| nopp |
16 |
| Years observed |
1994-2025 |
| rms |
0.88 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.861 |
|
| ep |
0.093 |
|
| sin(ip) |
0.111 |
|
| G |
0.150 |
|
| H |
16.550 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.480 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8605 |
0.0927 |
0.1114 |
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 |
| 16.55 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |