2012 JJ20
2012JJ20, j4059, K12J20J
All data for this body: [vot]
MPC data
| Name (number) |
2012 JJ20 (454059) |
| a |
3.07871 |
| e |
0.23773 |
| i / sin(i) |
5.2047 /
0.09072
|
| q |
2.34681
|
| Q |
3.81061
|
| ω |
37.7104 |
| Node |
160.8521 |
| m |
164.1305 |
| n |
0.1825 |
| Epoch |
2460800.5 |
| nobs |
222 |
| nopp |
12 |
| Years observed |
1995-2023 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.076 |
|
| ep |
0.297 |
|
| sin(ip) |
0.074 |
|
| G |
0.150 |
|
| H |
16.640 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.550 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0758 |
0.2973 |
0.0736 |
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 |
| 16.64 |
|
|
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 |
0.0916 |
0.0650 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |