1989 SJ1
1989SJ1, 1981 SL8, 1981SL8, 1981 UG25, 1981UG25, 52281, J81S08L, J81U25G, J89S01J
All data for this body: [vot]
MPC data
| Name (number) |
1989 SJ1 (52281) |
| a |
2.54231 |
| e |
0.22137 |
| i / sin(i) |
3.7155 /
0.06480
|
| q |
1.97952
|
| Q |
3.10510
|
| ω |
268.5109 |
| Node |
73.9162 |
| m |
153.2644 |
| n |
0.2431 |
| Epoch |
2460200.5 |
| nobs |
870 |
| nopp |
22 |
| Years observed |
1981-2023 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.544 |
|
| ep |
0.168 |
|
| sin(ip) |
0.034 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.510 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5441 |
0.1680 |
0.0344 |
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 |
| 15.51 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |