1998 WD9
1998WD9, 1989 EP5, 1989EP5, 29652, J89E05P, J98W09D
All data for this body: [vot]
MPC data
| Name (number) |
1998 WD9 (29652) |
| a |
2.33119 |
| e |
0.14325 |
| i / sin(i) |
8.2714 /
0.14386
|
| q |
1.99725
|
| Q |
2.66513
|
| ω |
202.7533 |
| Node |
207.3561 |
| m |
155.0800 |
| n |
0.2769 |
| Epoch |
2460800.5 |
| nobs |
1913 |
| nopp |
20 |
| Years observed |
1989-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.331 |
|
| ep |
0.142 |
|
| sin(ip) |
0.152 |
|
| G |
0.150 |
|
| H |
15.370 |
|
| Mass |
|
|
| D |
3.49 |
0.244 |
| pV |
0.145 |
0.0313 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
5.881 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3313 |
0.1420 |
0.1523 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.49 |
0.244 |
0.244 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.145 |
0.0313 |
0.0313 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 15.37 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |