# J002E3

> designation of supposed asteroid that is actually the S-IVB third stage of the Apollo 12 Saturn V rocket

**Wikidata**: [Q2981660](https://www.wikidata.org/wiki/Q2981660)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/J002E3)  
**Source**: https://4ort.xyz/entity/j002e3

## Summary
J002E3 is the provisional designation of an object initially mistaken for an asteroid but later identified as the S-IVB third stage of the Apollo 12 Saturn V rocket. Discovered in 2002, it is an artificial satellite of the Sun with a heliocentric orbit.

## Key Facts
- **Provisional designation**: J002E3
- **Actual identity**: S-IVB third stage of the Apollo 12 Saturn V rocket
- **Discoverer**: William Kwong Yu Yeung
- **Discovery date**: 2002-09-03
- **Orbit**: Heliocentric (artificial satellite of the Sun)
- **Instance of**: Astronomical object, artificial satellite of the Sun
- **Wikipedia title**: J002E3
- **Wikidata description**: Designation of supposed asteroid that is actually the S-IVB third stage of the Apollo 12 Saturn V rocket
- **Freebase ID**: /m/04r270 (with reference to Q15241312)
- **Sitelink count**: 16 (Wikipedia languages: ca, commons, de, en, es, fa, fr, it, ja, ko)

## FAQs
### Q: What is J002E3?
A: J002E3 is the provisional designation of an object initially identified as an asteroid but later confirmed to be the S-IVB third stage of the Apollo 12 Saturn V rocket. It orbits the Sun as an artificial satellite.

### Q: Who discovered J002E3?
A: J002E3 was discovered by William Kwong Yu Yeung on September 3, 2002.

### Q: Why was J002E3 mistaken for an asteroid?
A: J002E3 was initially classified as an asteroid due to its heliocentric orbit and appearance, but further analysis revealed it was the discarded third stage of the Apollo 12 mission's Saturn V rocket.

### Q: What is the significance of J002E3?
A: J002E3 is significant as one of the few known human-made objects in a heliocentric orbit, providing insights into space debris and the Apollo program's legacy.

### Q: Where can I find more information about J002E3?
A: Detailed information is available on Wikipedia (J002E3) and Wikimedia Commons (J002E3 category).

## Why It Matters
J002E3 holds historical and scientific importance as one of the few known artificial objects in a heliocentric orbit. Initially misclassified as an asteroid, its true identity as the S-IVB stage of the Apollo 12 mission highlights the challenges of tracking space debris. This discovery contributes to our understanding of human-made objects in space and the long-term effects of space missions on orbital environments. Its existence underscores the need for better tracking and cataloging of space debris to prevent future misidentifications and ensure safe space operations.

## Notable For
- **First confirmed human-made heliocentric object**: One of the few known artificial satellites of the Sun.
- **Apollo program legacy**: Represents the discarded third stage of the Apollo 12 mission.
- **Space debris research**: Provides data on the long-term behavior of human-made objects in space.
- **Orbital tracking challenge**: Demonstrates the difficulty of distinguishing between natural and artificial objects in space.
- **Wikidata recognition**: Featured in Wikidata with a detailed description and references.

## Body
### Discovery and Identification
J002E3 was first observed by William Kwong Yu Yeung on September 3, 2002, and initially classified as an asteroid due to its heliocentric orbit. Subsequent analysis revealed it was the S-IVB third stage of the Apollo 12 Saturn V rocket, launched in November 1969. The S-IVB stage was jettisoned after the Apollo 12 lunar mission and remained in space, becoming an artificial satellite of the Sun.

### Orbital Characteristics
J002E3 follows a heliocentric orbit, similar to other artificial satellites of the Sun, such as the Apollo 10 and 13 S-IVB stages. Its orbit is influenced by gravitational interactions with planets and other celestial bodies, leading to long-term orbital evolution.

### Scientific and Historical Significance
The discovery of J002E3 contributes to the study of space debris and the long-term effects of human activities in space. It serves as a reminder of the challenges in tracking and cataloging artificial objects in the solar system. The S-IVB stage's continued presence in space provides valuable data for future missions and debris mitigation strategies.

### Cultural and Educational Impact
J002E3 has been featured in educational materials and scientific discussions, highlighting the intersection of space exploration and orbital mechanics. Its story underscores the importance of accurate identification and tracking of space objects to ensure the safety and sustainability of space activities.

## References

1. Freebase Data Dumps. 2013