1998 UN20
1998UN20, 13784, 1987 SX9, 1987SX9, 1994 RR, 1994RR, 1995 YX22, 1995YX22, 1997 GZ41, 1997GZ41, J87S09X, J94R00R, J95Y22X, J97G41Z, J98U20N
All data for this body: [vot]
MPC data
| Name (number) |
1998 UN20 (13784) |
| a |
2.32868 |
| e |
0.19768 |
| i / sin(i) |
2.4576 /
0.04288
|
| q |
1.86834
|
| Q |
2.78901
|
| ω |
172.0891 |
| Node |
106.2859 |
| m |
272.9397 |
| n |
0.2774 |
| Epoch |
2460800.5 |
| nobs |
3420 |
| nopp |
24 |
| Years observed |
1987-2025 |
| rms |
0.72 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.329 |
|
| ep |
0.185 |
|
| sin(ip) |
0.029 |
|
| G |
0.150 |
|
| H |
14.500 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
3.912 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3295 |
0.1852 |
0.0288 |
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 |
| 14.50 |
|
|
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 |
| C |
|
0.652 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| L |
|
|
|
DeMeo-Carry |
VIS |
DeMeo |
2013Icar..226..723D |
PHOT |