---
title: "Changes to POST /udl/conjunction"
method: POST
path: "/udl/conjunction"
---

# Changes to POST /udl/conjunction

`POST /udl/conjunction`

> Every recorded change to this operation, newest first.
> 12 revisions in range; 1 could not be searched.

## Timeline

Changed in 5 of 12 revisions.

- **2026-04-09** `bd17bc53681e`: 2 info
- **2025-10-23** `09bd422d5ac1`: 2 info
- **2025-09-26** `45631f9bb3f0`: 1 breaking, 2 info
- **2025-05-29** `4e1cbc17e814`: 6 info
- **2025-04-16** `75f764c843a9`: 12 breaking, 2 info

## Changes

- **2026-04-09** `bd17bc53681e`: 2 info
  - added the new optional request property `stateVector1/missionCenter`
  - added the new optional request property `stateVector2/missionCenter`
- **2025-10-23** `09bd422d5ac1`: 2 info
  - added the new `ECR/ECEF` enum value to the request property `stateVector1/covReferenceFrame`
  - added the new `ECR/ECEF` enum value to the request property `stateVector2/covReferenceFrame`
- **2025-09-26** `45631f9bb3f0`: 1 breaking, 2 info
  - the `origNetwork` request property's minLength was increased from `0` to `1`
  - added the new optional request property `stateVector1/msgTs`
  - added the new optional request property `stateVector2/msgTs`
- **2025-05-29** `4e1cbc17e814`: 6 info
  - added the new `EFG/TDR` enum value to the request property `stateVector1/covReferenceFrame`
  - added the new `EFG/TDR` enum value to the request property `stateVector2/covReferenceFrame`
  - added the new `GCRF` enum value to the request property `stateVector1/covReferenceFrame`
  - added the new `GCRF` enum value to the request property `stateVector2/covReferenceFrame`
  - added the new `TEME` enum value to the request property `stateVector1/covReferenceFrame`
  - added the new `TEME` enum value to the request property `stateVector2/covReferenceFrame`
- **2025-04-16** `75f764c843a9`: 12 breaking, 2 info
  - removed the enum value `DOA` of the request property `stateVector1/sourcedDataTypes`
  - removed the enum value `DOA` of the request property `stateVector2/sourcedDataTypes`
  - removed the enum value `ELSET` of the request property `stateVector1/sourcedDataTypes`
  - removed the enum value `ELSET` of the request property `stateVector2/sourcedDataTypes`
  - removed the enum value `EO` of the request property `stateVector1/sourcedDataTypes`
  - removed the enum value `EO` of the request property `stateVector2/sourcedDataTypes`
  - removed the enum value `RADAR` of the request property `stateVector1/sourcedDataTypes`
  - removed the enum value `RADAR` of the request property `stateVector2/sourcedDataTypes`
  - removed the enum value `RF` of the request property `stateVector1/sourcedDataTypes`
  - removed the enum value `RF` of the request property `stateVector2/sourcedDataTypes`
  - removed the enum value `SV` of the request property `stateVector1/sourcedDataTypes`
  - removed the enum value `SV` of the request property `stateVector2/sourcedDataTypes`
  - api operation id `create_26` removed and replaced with ``
  - the endpoint scheme security `BasicAuth` was removed from the API

---

[Operation](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/docs/udl/conjunction/post.md) - [API](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api.md) - [Page](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/changes/udl/conjunction/post)