# Bockelee-Morvan 2026: Near-perihelion activity and composition of 3I/ATLAS from JUICE/MAJIS observations

> D. Bockelee-Morvan, F. Poulet, Y. Langevin, 2026. 4 records on Mysteries Department cite it. Bockelée-Morvan, D., Poulet, F., Langevin, Y. et al. 2026.…

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# Near-perihelion activity and composition of 3I/ATLAS from JUICE/MAJIS observations

D. Bockelee-Morvan, F. Poulet, Y. Langevin, 2026. _arXiv_.

Juice/MAJIS 2025-11-02/25 at 1.36-1.68 au: Q(H2O) fell 8e28 to 4e28 /s; CO2/H2O ~10%; aliphatic C-H features suggest organics released from grains.

**3I/ATLAS** Preprint0

## Cited by on this site 4 records

[CO2-to-water ratio fell from 7.6 to about 0.1](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ3VTKN1HK/co2-to-water-ratio-fell-from-7-6-to-about-0-1)

Evidence

EVD

[Juice measured 8 falling to 4 × 10^28 a second](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ554J37RY/juice-measured-8-falling-to-4-10-28-a-second)

Evidence

EVD

[Juice measures the water output](https://mysteriesdept.com/mysteries/3i-atlas/events/EVT0DFQ70AS2Z60/juice-measures-the-water-output)

EVT

[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)

The mystery article

MYS

## Cite it

```
Bockelee-Morvan, D., Poulet, F., & Langevin, Y. (2026). Near-perihelion activity and composition of 3I/ATLAS from JUICE/MAJIS observations. arXiv. https://arxiv.org/abs/2607.08603
```

[Read it free at arxiv.org](https://arxiv.org/abs/2607.08603)

Key

**SRC** 0DFPWGSFVGKX

Kind

Preprint

Rights

arXiv-nonexclusive

Kept

2 Nov 2026, for editors

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

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