1999 XL20
1999XL20, 2001 FF78, 2001FF78, 70971, J99X20L, K01F78F
All data for this body: [vot]
MPC data
| Name (number) |
1999 XL20 (70971) |
| a |
2.39584 |
| e |
0.13743 |
| i / sin(i) |
3.3234 /
0.05797
|
| q |
2.06658
|
| Q |
2.72510
|
| ω |
25.4414 |
| Node |
93.3809 |
| m |
91.7654 |
| n |
0.2658 |
| Epoch |
2460200.5 |
| nobs |
2166 |
| nopp |
18 |
| Years observed |
1999-2023 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.395 |
|
| ep |
0.166 |
|
| sin(ip) |
0.042 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.150 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 44 |
Nysa |
405 |
Nysa-Polana |
-0.3100 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3950 |
0.1660 |
0.0422 |
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 |