1998 HS121
1998HS121, 2000 WE38, 2000WE38, 42676, J98HC1S, K00W38E
All data for this body: [vot]
MPC data
| Name (number) |
1998 HS121 (42676) |
| a |
2.76426 |
| e |
0.10990 |
| i / sin(i) |
10.2953 /
0.17872
|
| q |
2.46047
|
| Q |
3.06805
|
| ω |
151.8990 |
| Node |
98.5028 |
| m |
163.2134 |
| n |
0.2145 |
| Epoch |
2460200.5 |
| nobs |
1090 |
| nopp |
20 |
| Years observed |
1998-2023 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.762 |
|
| ep |
0.136 |
|
| sin(ip) |
0.159 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.150 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1272 |
Gefion |
516 |
Gefion |
-0.3000 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7623 |
0.1361 |
0.1591 |
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 |
| 15.15 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |