2012 JR21
2012JR21, 2009 SM39, 2009SM39, b3327, K09S39M, K12J21R
All data for this body: [vot]
MPC data
| Name (number) |
2012 JR21 (373327) |
| a |
2.62656 |
| e |
0.15336 |
| i / sin(i) |
3.3395 /
0.05825
|
| q |
2.22375
|
| Q |
3.02936
|
| ω |
234.7563 |
| Node |
0.7354 |
| m |
235.2924 |
| n |
0.2315 |
| Epoch |
2460200.5 |
| nobs |
252 |
| nopp |
13 |
| Years observed |
2003-2022 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.628 |
|
| ep |
0.188 |
|
| sin(ip) |
0.065 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
17.100 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6281 |
0.1884 |
0.0648 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 17.10 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |