1998 DU9
1998DU9, J98D09U, O3587
All data for this body: [vot]
MPC data
| Name (number) |
1998 DU9 (243587) |
| a |
2.06146 |
| e |
0.33456 |
| i / sin(i) |
4.9467 /
0.08623
|
| q |
1.37177
|
| Q |
2.75114
|
| ω |
278.2739 |
| Node |
249.9501 |
| m |
66.9046 |
| n |
0.3330 |
| Epoch |
2460800.5 |
| nobs |
142 |
| nopp |
12 |
| Years observed |
1998-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
| G |
0.150 |
|
| H |
18.550 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.253 |
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 |
| 18.55 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| V |
V |
0.0193 |
0.0170 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| V |
V |
0.0228 |
0.0170 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |