/tmp/orbit-root files on RH ES3

[Yard, John]

On my RH ES3 systems ,
can I delete the old /tmp/orbit-root 
files : for example :

471711    4 drwx------   2 root     root         4096 Mar 14 11:24
/tmp/orbit-root
/tmp/orbit-root/linc-104f-0-2176ffb02830e
1471712    0 srwxr-xr-x   1 root     root            0 May 22  2007
/tmp/orbit-root/linc-104f-0-2176ffb02830e
/tmp/orbit-root/linc-104c-0-76243cd33cdde
1471713    0 srwxr-xr-x   1 root     root            0 May 22  2007
/tmp/orbit-root/linc-104c-0-76243cd33cdde
/tmp/orbit-root/linc-c1c-0-15994ab1da139
1471746    0 srwxr-xr-x   1 root     root            0 May 23  2007
/tmp/orbit-root/linc-c1c-0-15994ab1da139
/tmp/orbit-root/linc-d25-0-6060bc777d181
1471715    0 srwxr-xr-x   1 root     root            0 May 22  2007
/tmp/orbit-root/linc-d25-0-6060bc777d181
/tmp/orbit-root/linc-da0-0-7936751c89fa7
1471718    0 srwxr-xr-x   1 root     root            0 May 22  2007
/tmp/orbit-root/linc-da0-0-7936751c89fa7
/tmp/orbit-root/linc-e71-0-5500ff073f32a

What is the origin of these files ?

Thx,

JYard
UCLA