1998 BN9
1998BN9, 2012 AS20, 2012AS20, e4956, J98B09N, K12A20S
All data for this body: [vot]
MPC data
| Name (number) |
1998 BN9 (404956) |
| a |
2.31965 |
| e |
0.14298 |
| i / sin(i) |
7.2939 /
0.12696
|
| q |
1.98797
|
| Q |
2.65132
|
| ω |
120.5972 |
| Node |
307.9754 |
| m |
140.2001 |
| n |
0.2790 |
| Epoch |
2460200.5 |
| nobs |
219 |
| nopp |
11 |
| Years observed |
1998-2023 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.319 |
|
| ep |
0.147 |
|
| sin(ip) |
0.134 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
17.630 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3191 |
0.1466 |
0.1339 |
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 |
| 17.63 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |