1998 SD75
1998SD75, 1989 XZ, 1989XZ, 44398, J89X00Z, J98S75D
All data for this body: [vot]
MPC data
| Name (number) |
1998 SD75 (44398) |
| a |
2.74924 |
| e |
0.12612 |
| i / sin(i) |
8.9550 /
0.15566
|
| q |
2.40251
|
| Q |
3.09596
|
| ω |
260.8408 |
| Node |
176.1273 |
| m |
255.2876 |
| n |
0.2162 |
| Epoch |
2460800.5 |
| nobs |
1456 |
| nopp |
24 |
| Years observed |
1989-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.749 |
|
| ep |
0.115 |
|
| sin(ip) |
0.156 |
|
| G |
0.150 |
|
| H |
15.070 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
19.903 |
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-Nov-2024 |
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 |
| 15.07 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |