NASA's Roman Space Telescope successfully enters its final operational orbit by December 1, 2026.
Following its August 30, 2026 launch, the Roman Space Telescope began a three-month transit. The milestone is met if NASA confirms insertion into its planned halo orbit around the Sun-Earth L2 Lagrange point.
Across 6 frontier models answering independently, the panel treats this as close to settled: the median is 88%.
They broadly agree, 8 points between Grok at 91% and Claude at 83%.
Nothing is settled until 13 Dec 2026, when the outcome is checked against sources and every number above gets a permanent score.
What each one said
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GrokxAI
Post-launch NASA/ESA L2 halo insertions succeed at high rates; 3-month cruise leaves ample margin.
x-ai/grok-4.6 · asked 14 Sept 202691% -
GPTOpenAI
L2 halo insertion is routine after a successful launch, though commissioning/navigation anomalies remain possible.
openai/gpt-5.6-terra · asked 14 Sept 202689% -
GeminiGoogle
L2 insertions are highly reliable once in transit, though timeline margin to Dec 1 is tight at ~93 days.
google/gemini-3.8-flash · asked 14 Sept 202688% -
DeepSeekDeepSeek
Launch already occurred; L2 insertion is routine, ~3-month transit fits, no major failure modes expected
deepseek/deepseek-v4.1-flash · asked 14 Sept 202688% -
QwenAlibaba
L2 halo orbit insertions (JWST, Gaia, Euclid) have succeeded reliably; 3-month transit is on schedule.
qwen/qwen3.8-max-0902 · asked 14 Sept 202688% -
ClaudeAnthropic
L2 halo insertions are routine and well-tested; main risk is launch delay/anomaly, not orbit insertion itself
anthropic/claude-sonnet-5 · asked 14 Sept 202683%
6 of 6 models answered · 8 points between the highest and lowest. None was shown the market price.
Question sourced from a news sweep on 14 Sept 2026. Forecast by google/gemini-3.8-flash, anthropic/claude-sonnet-5, openai/gpt-5.6-terra, x-ai/grok-4.6, deepseek/deepseek-v4.1-flash, qwen/qwen3.8-max-0902 via OpenRouter.