1997GJ20
1999XJ264, 2003YB76, H1500, J97G20J, J99XQ4J, K03Y76B
All data for this body: [vot]
MPC data
| Name (number) |
1997GJ20 (171500) |
| Packed designation |
H1500 |
| a |
2.42691 |
| e |
0.12388 |
| i / sin(i) |
1.6673 /
0.02910
|
| q |
2.12626
|
| Q |
2.72756
|
| ω |
144.7809 |
| Node |
12.8688 |
| m |
228.7989 |
| n |
0.2607 |
| Epoch |
2459600.5 |
| nobs |
630 |
| nopp |
15 |
| Years observed |
1997-2021 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
Massalia (20) |
|
| |
|
|
| ap |
2.426 |
|
| ep |
0.161 |
|
| sin(ip) |
0.029 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.660 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 20 |
Massalia |
404 |
Massalia |
0.3600 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4265 |
0.1607 |
0.0292 |
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 |
| 16.66 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |