2008 AR21
2008AR21, j0877, K08A21R
All data for this body: [vot]
MPC data
| Name (number) |
2008 AR21 (450877) |
| a |
2.69645 |
| e |
0.08883 |
| i / sin(i) |
11.7462 /
0.20358
|
| q |
2.45693
|
| Q |
2.93596
|
| ω |
225.2600 |
| Node |
323.2716 |
| m |
283.1374 |
| n |
0.2226 |
| Epoch |
2460800.5 |
| nobs |
279 |
| nopp |
10 |
| Years observed |
2008-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.694 |
|
| ep |
0.127 |
|
| sin(ip) |
0.217 |
|
| G |
0.150 |
|
| H |
16.880 |
|
| 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 |
| 2.6942 |
0.1271 |
0.2169 |
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 |
| 16.88 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |