1998 QQ18
1998QQ18, 52775, J98Q18Q
All data for this body: [vot]
MPC data
| Name (number) |
1998 QQ18 (52775) |
| a |
2.27607 |
| e |
0.21860 |
| i / sin(i) |
1.8553 /
0.03238
|
| q |
1.77851
|
| Q |
2.77363
|
| ω |
165.3393 |
| Node |
179.7301 |
| m |
269.6556 |
| n |
0.2870 |
| Epoch |
2460800.5 |
| nobs |
1434 |
| nopp |
21 |
| Years observed |
1997-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.276 |
|
| ep |
0.172 |
|
| sin(ip) |
0.038 |
|
| G |
0.150 |
|
| H |
16.010 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
6.927 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2760 |
0.1725 |
0.0377 |
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 |
| 16.01 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |