# Ingrid van Houten-Groeneveld

> Dutch astronomer (1921–2015)

**Wikidata**: [Q231642](https://www.wikidata.org/wiki/Q231642)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ingrid_van_Houten-Groeneveld)  
**Source**: https://4ort.xyz/entity/ingrid-van-houten-groeneveld

## Summary
Ingrid van Houten-Groeneveld was a Dutch astronomer (1921–2015) who contributed to the discovery of numerous minor planets, including the Apollo asteroid 1862 Apollo. She worked at the Leiden Observatory and was affiliated with Leiden University, making significant advancements in celestial object research.

## Biography
- Born: October 21, 1921
- Nationality: Dutch
- Education: Attended Leiden University
- Known for: Discovering minor planets and contributing to astrometry
- Employer(s): Leiden Observatory, Leiden University
- Field(s): Astronomy

## Contributions
- **Discovery of Minor Planets**: Van Houten-Groeneveld co-discovered several minor planets, including the Apollo asteroid 1862 Apollo, which played a key role in understanding near-Earth objects.
- **Astrometric Research**: Her work in astrometry provided precise positional data for celestial bodies, aiding in the study of planetary motion and dynamics.
- **Collaborative Work**: She collaborated with astronomers like Cornelis van Houten and Tom Gehrels, contributing to the Palomar-Leiden Survey, which cataloged thousands of asteroids.

## FAQs
**Where did Ingrid van Houten-Groeneveld work?**
She worked at the Leiden Observatory and was affiliated with Leiden University, where she conducted research in astronomy.

**What was Ingrid van Houten-Groeneveld known for?**
She is known for her contributions to the discovery of minor planets, including the Apollo asteroid 1862 Apollo, and her work in astrometry.

**What educational background did Ingrid van Houten-Groeneveld have?**
She attended Leiden University, where she pursued studies in astronomy.

## Why They Matter
Ingrid van Houten-Groeneveld's work in astronomy significantly advanced the understanding of minor planets and near-Earth objects. Her discoveries, such as the Apollo asteroid, contributed to planetary defense strategies and improved tracking of celestial bodies. Her precise astrometric measurements supported broader research in celestial mechanics, influencing future generations of astronomers. Her collaborations with leading astronomers like Cornelis van Houten and Tom Gehrels expanded the Palomar-Leiden Survey, which remains a foundational resource in asteroid research.

## Notable For
- Co-discovered the Apollo asteroid 1862 Apollo, a critical near-Earth object.
- Contributed to the Palomar-Leiden Survey, cataloging thousands of asteroids.
- Provided precise astrometric data, aiding in the study of planetary motion.
- Affiliated with Leiden Observatory and Leiden University, a prestigious institution in astronomy.

## Body
### Early Life and Education
Ingrid van Houten-Groeneveld was born on October 21, 1921. She attended Leiden University, where she pursued studies in astronomy. Her educational background laid the foundation for her career in celestial research.

### Career and Research
Van Houten-Groeneveld worked at the Leiden Observatory, where she conducted significant research in astronomy. She collaborated with astronomers Cornelis van Houten and Tom Gehrels, contributing to the Palomar-Leiden Survey. This survey cataloged thousands of asteroids, providing valuable data for understanding minor planets.

### Key Discoveries
One of her most notable contributions was the co-discovery of the Apollo asteroid 1862 Apollo. This asteroid is significant in planetary defense research, as it is a near-Earth object. Her precise astrometric measurements helped track its motion and orbit, enhancing the study of celestial mechanics.

### Collaborations and Legacy
Her work with Cornelis van Houten and Tom Gehrels expanded the Palomar-Leiden Survey, which remains a key resource in asteroid research. Her discoveries and astrometric data influenced subsequent studies in planetary science, contributing to the broader understanding of the solar system.

### Affiliations and Influence
Van Houten-Groeneveld was affiliated with Leiden Observatory and Leiden University, institutions renowned for their contributions to astronomy. Her research at these institutions helped shape modern astrometry and planetary science, leaving a lasting impact on the field.

## References

1. Integrated Authority File
2. Czech National Authority Database
3. Freebase Data Dumps. 2013
4. Virtual International Authority File