4 orange orbs flying horizontally in the sky

On the night of 1/3/21, I saw 4 orange orbs in the western sky in Lakeland, TN.  Between 7:30 and 7:40 PM, sky was dark.  First saw two, flying due north, one after the other, kind of in formation, at a rate like an airplane might fly.  The night was quiet, and there was no sound of motors or jet engines.  A third one came into view before the second one was out of sight.  After the third one flew out of view (obscured by tree line), a fourth one came and went.  All 4 flying the same direction, first 3 similar altitude, last one was lower in the sky.  Witnessed by 2 people.  Would have thought that they were planes, but no noise and they were bright orange.
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