2001 UB81
2001UB81, F8289, K01U81B
All data for this body: [vot]
MPC data
| Name (number) |
2001 UB81 (158289) |
| a |
2.59677 |
| e |
0.07992 |
| i / sin(i) |
2.3241 /
0.04055
|
| q |
2.38923
|
| Q |
2.80431
|
| ω |
326.2621 |
| Node |
68.6074 |
| m |
229.0264 |
| n |
0.2355 |
| Epoch |
2460800.5 |
| nobs |
605 |
| nopp |
17 |
| Years observed |
2001-2024 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.596 |
|
| ep |
0.033 |
|
| sin(ip) |
0.027 |
|
| G |
0.150 |
|
| H |
16.330 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.619 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5960 |
0.0334 |
0.0268 |
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 |
| 16.33 |
|
|
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 |
| D |
D |
0.1031 |
0.0570 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |