1997 UB21
1997UB21, 1999 CA79, 1999CA79, 48806, J97U21B, J99C79A
All data for this body: [vot]
MPC data
| Name (number) |
1997 UB21 (48806) |
| a |
3.12640 |
| e |
0.15557 |
| i / sin(i) |
14.2400 /
0.24599
|
| q |
2.64003
|
| Q |
3.61276
|
| ω |
293.4217 |
| Node |
155.5988 |
| m |
311.1111 |
| n |
0.1783 |
| Epoch |
2460800.5 |
| nobs |
1293 |
| nopp |
19 |
| Years observed |
1997-2024 |
| rms |
0.83 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.133 |
|
| ep |
0.140 |
|
| sin(ip) |
0.240 |
|
| G |
0.150 |
|
| H |
14.580 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
2.774 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1328 |
0.1399 |
0.2396 |
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 |
| 14.58 |
|
|
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 |
| X |
X |
0.4623 |
0.4623 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |