1997 YL4
1997YL4, 1999 EC5, 1999EC5, 28013, J97Y04L, J99E05C
All data for this body: [vot]
MPC data
| Name (number) |
1997 YL4 (28013) |
| a |
2.58776 |
| e |
0.12933 |
| i / sin(i) |
3.9170 /
0.06831
|
| q |
2.25308
|
| Q |
2.92244
|
| ω |
304.9771 |
| Node |
105.5267 |
| m |
204.4125 |
| n |
0.2368 |
| Epoch |
2460800.5 |
| nobs |
2491 |
| nopp |
22 |
| Years observed |
1997-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.587 |
|
| ep |
0.117 |
|
| sin(ip) |
0.056 |
|
| G |
0.150 |
|
| H |
14.540 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
6.268 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5867 |
0.1167 |
0.0557 |
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 |
| 14.54 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |