2017 WH21
2017WH21, 2013 YW11, 2013YW11, K13Y11W, K17W21H, s0755
All data for this body: [vot]
MPC data
| Name (number) |
2017 WH21 (540755) |
| a |
2.72013 |
| e |
0.06755 |
| i / sin(i) |
5.2987 /
0.09235
|
| q |
2.53638
|
| Q |
2.90388
|
| ω |
107.1416 |
| Node |
298.0524 |
| m |
240.0813 |
| n |
0.2197 |
| Epoch |
2460800.5 |
| nobs |
203 |
| nopp |
14 |
| Years observed |
2004-2025 |
| rms |
0.91 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.719 |
|
| ep |
0.045 |
|
| sin(ip) |
0.110 |
|
| G |
0.150 |
|
| H |
17.080 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7193 |
0.0448 |
0.1098 |
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 |
| 17.08 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |