# None of these.

> No evidence yet: None of these.

Source: https://mysteriesdept.com/mysteries/flyby-anomaly/answers/ANS0CWYED5C5ED7/none-of-these  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Questions](https://mysteriesdept.com/questions)[Earth flyby anomaly](https://mysteriesdept.com/mysteries/flyby-anomaly)[What produces the velocity changes seen in some Earth flybys?](https://mysteriesdept.com/mysteries/flyby-anomaly/questions/QST0CWYE98C43P6/what-produces-the-velocity-changes-seen-in-some-earth-flybys)Answer

Answer · Earth flyby anomaly

# None of these.

None of these.

**No evidence yet** Answers **1** question0

## Where it stands

**No evidence yet** Its tests haven't settled it: no evidence yet.

## The questions it answers

[What produces the velocity changes seen in some Earth flybys?](https://mysteriesdept.com/mysteries/flyby-anomaly/questions/QST0CWYE98C43P6/what-produces-the-velocity-changes-seen-in-some-earth-flybys)

Most likelyAn error or inconsistency in trajectory modelling and navigation software (reference frames, spheres of…

## Cite it

```
Mysteries Department. (2026). None of these. [Answer ANS0CWYED5C5ED7]. https://mysteriesdept.com/r/ANS0CWYED5C5ED7
```

Key

**ANS** 0CWYED5C5ED7

Kind

Answer · none

Version

1

Added by

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

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/ANS0CWYED5C5ED7)