===== Cleanup previous manual entries:=====
In "Data maintenance" tab select all the manual Add and click Delete:
{{:playground:massalia0.png|}}

===== Enter parameters in Horizon web interface: =====
{{:playground:massalia1.png|}}

=====Horizon result:=====
{{:playground:massalia2.png|}}

=====Enter the values in CdC:=====
{{:playground:massalia3.png|}}

Then click Add.

=====Refresh the CdC asteroid database =====
Go to "Prepare monthly data" tab, set start month to 2018/02, click "Compute"
{{:playground:massalia3b.png|}}

=====Result on the map:=====
{{:playground:massalia4.png|}}

~~NOTOC~~