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After orbiting the Earth for 6 hours, a third-stage burn-to-depletion was completed at approximately 02:30 UTC Feb 7, placing the dummy payload in a heliocentric orbit having a perihelion of 0.99 au and aphelion ~1.7 au.
The Roadster and its mannequin driver -- known as Starman -- then will fall back toward the inner solar system, picking up speed as they near the low point of the orbit, or perihelion, on Aug. 15, 2019.
Each year, during wintertime in the northern hemisphere, the Earth reaches its closest point to the sun, or perihelion, and during the northern hemisphere summer the Earth hits the farthest point from the sun, or aphelion.
Probe 1, the Pre-Perihelion Probe, would pass Halley on 8 December 1985, 63 days before the comet reached perihelion on 9 February 1986.
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Britannica.com: Encyclopedia article about perihelion
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