1998 SD75
1998SD75, 1989 XZ, 1989XZ, 44398, J89X00Z, J98S75D
All data for this body: [vot]
MPC data
| Name (number) |
1998 SD75 (44398) |
| a |
2.75003 |
| e |
0.12587 |
| i / sin(i) |
8.9548 /
0.15566
|
| q |
2.40389
|
| Q |
3.09616
|
| ω |
260.6374 |
| Node |
176.1491 |
| m |
125.8179 |
| n |
0.2161 |
| Epoch |
2460200.5 |
| nobs |
1313 |
| nopp |
22 |
| Years observed |
1989-2023 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.749 |
|
| ep |
0.115 |
|
| sin(ip) |
0.156 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.050 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1272 |
Gefion |
516 |
Gefion |
-0.5000 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7493 |
0.1154 |
0.1564 |
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 |
| 15.05 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |