1998 SM9
1998SM9, 44359, J98S09M
All data for this body: [vot]
MPC data
| Name (number) |
1998 SM9 (44359) |
| a |
2.73034 |
| e |
0.16059 |
| i / sin(i) |
8.9681 /
0.15588
|
| q |
2.29188
|
| Q |
3.16879
|
| ω |
210.4473 |
| Node |
198.6784 |
| m |
167.0660 |
| n |
0.2185 |
| Epoch |
2460200.5 |
| nobs |
1602 |
| nopp |
19 |
| Years observed |
1996-2023 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.729 |
|
| ep |
0.122 |
|
| sin(ip) |
0.159 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.710 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1272 |
Gefion |
516 |
Gefion |
-0.9400 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7290 |
0.1217 |
0.1590 |
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 |
| 14.71 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |