2012 AR21
2012AR21, 2004 YU29, 2004YU29, 2006 KB134, 2006KB134, e7820, K04Y29U, K06KD4B, K12A21R
All data for this body: [vot]
MPC data
| Name (number) |
2012 AR21 (407820) |
| a |
2.30093 |
| e |
0.20322 |
| i / sin(i) |
8.3060 /
0.14446
|
| q |
1.83333
|
| Q |
2.76853
|
| ω |
16.5776 |
| Node |
62.2151 |
| m |
315.7995 |
| n |
0.2824 |
| Epoch |
2460800.5 |
| nobs |
256 |
| nopp |
11 |
| Years observed |
2004-2024 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.306 |
|
| ep |
0.226 |
|
| sin(ip) |
0.134 |
|
| G |
0.150 |
|
| H |
17.560 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3062 |
0.2259 |
0.1338 |
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 |
| 17.56 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |