1999 AO21
1999AO21, 2004 LM11, 2004LM11, A1566, J99A21O, K04L11M
All data for this body: [vot]
MPC data
| Name (number) |
1999 AO21 (101566) |
| a |
2.65610 |
| e |
0.18249 |
| i / sin(i) |
6.5583 /
0.11421
|
| q |
2.17137
|
| Q |
3.14082
|
| ω |
37.5466 |
| Node |
157.8743 |
| m |
334.8469 |
| n |
0.2277 |
| Epoch |
2460800.5 |
| nobs |
1392 |
| nopp |
21 |
| Years observed |
1992-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.656 |
|
| ep |
0.234 |
|
| sin(ip) |
0.105 |
|
| G |
0.150 |
|
| H |
15.520 |
|
| 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 |
| 2.6561 |
0.2337 |
0.1050 |
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 |
| 15.52 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |