1999 JS55
1999JS55, 17979, 1990 HA7, 1990HA7, J90H07A, J99J55S
All data for this body: [vot]
MPC data
| Name (number) |
1999 JS55 (17979) |
| a |
2.78453 |
| e |
0.13561 |
| i / sin(i) |
10.2168 /
0.17737
|
| q |
2.40693
|
| Q |
3.16213
|
| ω |
215.9006 |
| Node |
86.6797 |
| m |
33.8656 |
| n |
0.2121 |
| Epoch |
2460200.5 |
| nobs |
2868 |
| nopp |
23 |
| Years observed |
1990-2023 |
| rms |
0.60 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.784 |
|
| ep |
0.128 |
|
| sin(ip) |
0.157 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.570 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
9.185 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1272 |
Gefion |
516 |
Gefion |
0.0000 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7839 |
0.1280 |
0.1568 |
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 |
| 13.57 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 9.19 |
|
|
Durech |
2020A&A...643A..59D |
Model |