https://www.google.com/search?q=except+for+pioneer+11+and+10+and+voyager+1+and+2+is+there+anything+else+in+interstellar+space&sca_esv=b78cf8500232fcdc&biw=1476&bih=875&sxsrf=ANbL-n4tW9R3uEehc_eBND2Jk2ciS3PZEA%3A1775083001295&ei=-Z3NaajZEY-p5NoP2dfw4AM&ved=0ahUKEwjoufS9282TAxWPFFkFHdkrHDwQ4dUDCBM&uact=5&oq=except+for+pioneer+11+and+10+and+voyager+1+and+2+is+there+anything+else+in+interstellar+space&gs_lp=Egxnd3Mtd2l6LXNlcnAiXWV4Y2VwdCBmb3IgcGlvbmVlciAxMSBhbmQgMTAgYW5kIHZveWFnZXIgMSBhbmQgMiBpcyB0aGVyZSBhbnl0aGluZyBlbHNlIGluIGludGVyc3RlbGxhciBzcGFjZUjhpwFQxhJYjqYBcAV4AZABAJgBlwGgAco-qgEEODguObgBA8gBAPgBAZgCRaACqi_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-ObA7IHBTQ2LjE4uAeKL8IHCTMuMjguMzcuMcgH4AGACAE&sclient=gws-wiz-serp QT:{{”
Yes, there are a few other man-made objects currently on trajectories to leave the solar system and enter interstellar space, along with their associated rocket stages. While Voyager 1 and 2 are the only functional, confirmed, and active probes to have crossed the heliopause, the following are also heading out:
New Horizons: Launched in 2006, this probe is rapidly traveling toward interstellar space. It completed a flyby of Pluto and Arrokoth, and while not yet in the interstellar medium, it is on an escape trajectory.
Rocket Stages/Upper Stages: Several rocket stages that launched these five missions are also on escape trajectories. These include the third stage (STAR-48 booster) for New Horizons and the third stages for the Pioneer and Voyager probes.
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Pioneer 10 & 11: While on an interstellar trajectory, these are no longer functional, making their exact status beyond the heliopause hard to verify, though they are assumed to be there.
The Future: No other current spacecraft have the velocity to catch up with these five, although new mission concepts exist.
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