1998 SB21
1998SB21, 2005 RU11, 2005RU11, J98S21B, K05R11U, N1701
All data for this body: [vot]
MPC data
| Name (number) |
1998 SB21 (231701) |
| a |
2.29846 |
| e |
0.12354 |
| i / sin(i) |
0.3005 /
0.00525
|
| q |
2.01450
|
| Q |
2.58242
|
| ω |
172.0788 |
| Node |
216.7363 |
| m |
42.6523 |
| n |
0.2828 |
| Epoch |
2460200.5 |
| nobs |
315 |
| nopp |
14 |
| Years observed |
1998-2022 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.299 |
|
| ep |
0.099 |
|
| sin(ip) |
0.019 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
17.770 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2987 |
0.0993 |
0.0192 |
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 |
| 17.77 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |