1999 XD180
1999XD180, 1998 SJ160, 1998SJ160, 49936, J98SG0J, J99XI0D
All data for this body: [vot]
MPC data
| Name (number) |
1999 XD180 (49936) |
| a |
2.35706 |
| e |
0.14787 |
| i / sin(i) |
9.1524 /
0.15906
|
| q |
2.00851
|
| Q |
2.70561
|
| ω |
146.3723 |
| Node |
50.9907 |
| m |
137.9605 |
| n |
0.2724 |
| Epoch |
2460200.5 |
| nobs |
2148 |
| nopp |
19 |
| Years observed |
1991-2023 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.358 |
|
| ep |
0.188 |
|
| sin(ip) |
0.149 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.880 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
4.720 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3576 |
0.1883 |
0.1486 |
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 |
| 14.88 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.72 |
|
|
Durech |
2023A&A...675A..24D |
Model |