# CDM — Conjunction Data Message

Parses CCSDS Conjunction Data Messages containing state vectors, covariance matrices, and collision probability for two-object close approaches.

---

::: brahe.ccsds.CDM
    options:
      show_root_heading: true
      show_root_full_path: false

---

::: brahe.ccsds.CDMObject
    options:
      show_root_heading: true
      show_root_full_path: false

---

::: brahe.ccsds.CDMStateVector
    options:
      show_root_heading: true
      show_root_full_path: false

---

::: brahe.ccsds.CDMRTNCovariance
    options:
      show_root_heading: true
      show_root_full_path: false

---

## See Also

- [CDM Format Guide](../../learn/ccsds/cdm.md) — Structure, covariance, collision probability
- [CCSDS Module](index.md) — Module overview