2009 RY21
2009RY21, j7808, K09R21Y
All data for this body: [vot]
MPC data
| Name (number) |
2009 RY21 (457808) |
| a |
1.95790 |
| e |
0.05180 |
| i / sin(i) |
22.1913 /
0.37770
|
| q |
1.85649
|
| Q |
2.05931
|
| ω |
138.9547 |
| Node |
172.7984 |
| m |
281.2684 |
| n |
0.3598 |
| Epoch |
2460800.5 |
| nobs |
272 |
| nopp |
10 |
| Years observed |
2009-2025 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
1.958 |
|
| ep |
0.058 |
|
| sin(ip) |
0.348 |
|
| G |
0.150 |
|
| H |
18.200 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 434 |
Hungaria |
0 |
Hungaria |
|
Novakovic |
2019EPSC...13.1671N |
HCM |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 1.9578 |
0.0581 |
0.3482 |
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 |
| 18.20 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |