"parallel trajectory" is correct and usable in written English.
You could use it to describe an action that follows a similar path to another action, such as: "The trajectories of the two rockets followed a parallel course for the first three minutes of the flight."
In a way very different from that of his older contemporary Goya, but on a parallel trajectory, Friedrich responded to a historic breakdown of boundaries between the inner chaos of wants and fears and the outward order of manners and mores.
Boom sees itself having a parallel trajectory with SpaceX or Tesla in terms of massively changing the economies of a transportation tech that at first seems out of reach, he told me.
The variation in the flame tip motion is quantitatively evaluated by calculating the mean value of a parallel trajectory value Γ.
(A parallel trajectory that comes to mind: Buddy Garrity on "Friday Night Lights").
My mother, similar to my dad in every way except for her gender, has experienced a slightly different version of the American Dream, even as they've traveled a mostly parallel trajectory for the past 30+ years.
Apart from the temporal sequence a strong cross-sectional association could also imply that bullying and suicidal ideation may follow a parallel trajectory over time.
After this, the artists proceed confidently on their separate but somehow parallel trajectories.
Okay's script centered less on the Sultan than on the charismatic former Christian slaves Roxelana and Ibrahim, whose lives had strangely parallel trajectories.
The two paintings on view in the library offer another, thought-provoking perspective on the parallel trajectories of Monet's painting and his gardening.
In the second half of the book, we watch father and son following parallel trajectories, both of them in freefall, the older man, now widowed, retreating into himself, the younger ending up in a psychiatric hospital.
In this paper, we propose the Parallel Elite Biased framework (PEB framework) for parallel trajectory-based metaheuristics.
