1998HE100
11721, 1976SJ3, 1985QC1, 1990TV2, 1993FC79, J76S03J, J85Q01C, J90T02V, J93F79C, J98HA0E
All data for this body: [vot]
MPC data
| Name (number) |
1998HE100 (11721) |
| Packed designation |
11721 |
| a |
2.77358 |
| e |
0.17749 |
| i / sin(i) |
9.2202 /
0.16023
|
| q |
2.28128
|
| Q |
3.26588
|
| ω |
157.3189 |
| Node |
188.3120 |
| m |
302.6168 |
| n |
0.2134 |
| Epoch |
2459600.5 |
| nobs |
1997 |
| nopp |
22 |
| Years observed |
1976-2021 |
| rms |
0.47 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.775 |
|
| ep |
0.141 |
|
| sin(ip) |
0.160 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.870 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1272 |
Gefion |
516 |
Gefion |
-0.2100 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7750 |
0.1411 |
0.1599 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.87 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |