<script src="https://aframe.io/releases/1.3.0/aframe.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/EricEisaman/[email protected]/aframe-trail-component.min.js"></script>

<a-sphere trail></a-sphere>

<a-sphere 
trail__red="color:red; offset:-1 0 0"
trail__white="color:white; length:120"
trail__blue="color:blue; offset:1 0 0"
grabbable
></a-sphere>

const s = document.createElement('a-sphere');
s.setAttribute('trail','length:50; width:0.9; resolution:10');
AFRAME.scenes[0].appendChild(s);

const s = document.createElement('a-sphere');
s.setAttribute('trail__red','color:red; offset:-1 0 0');
s.setAttribute('trail__white','color:white; length:120');
s.setAttribute('trail__blue','color:blue; offset:1 0 0');
s.setAttribute('color','blue');
s.setAttribute('radius', 0.5);
s.setAttribute('circle-movement','center:0 6 -20; radius: 6');
AFRAME.scenes[0].appendChild(s);