# ORBIS CAL I
**Wikidata**: [Q113275070](https://www.wikidata.org/wiki/Q113275070)  
**Source**: https://4ort.xyz/entity/orbis-cal-i

## Summary
ORBIS CAL I is a spacecraft launched on August 16, 1968. It was deployed using an Atlas E/F launch vehicle from the Vandenberg Space Launch Complex 2 East.

## Key Facts
*   **Launch Date:** August 16, 1968
*   **Entity Type:** Spacecraft (vehicle or machine designed to fly in space)
*   **Launch Vehicle:** Atlas E/F (an American expendable launch vehicle)
*   **Launch Site:** Vandenberg Space Launch Complex 2 East
*   **Identifier:** NSSDCA ID ORBCAL1

## FAQs
### Q: When was ORBIS CAL I launched?
A: ORBIS CAL I was launched on August 16, 1968.

### Q: What rocket was used to launch ORBIS CAL I?
A: The spacecraft was launched using an Atlas E/F rocket, which is a type of American expendable launch vehicle.

### Q: Where did the launch of ORBIS CAL I take place?
A: The launch originated from the Vandenberg Space Launch Complex 2 East.

## Why It Matters
ORBIS CAL I represents a specific spaceflight mission undertaken in the late 1960s, a period characterized by intense activity in space exploration and satellite deployment. Identified in records via the NSSDCA ID ORBCAL1, the mission serves as a historical data point for launches utilizing the Atlas E/F rocket configuration.

The use of the Atlas E/F vehicle—a legacy American expendable launch system—highlights the technological landscape of the era, relying on converted or adapted ballistic missile technology for space access. Furthermore, the launch from Vandenberg Space Launch Complex 2 East places the mission within the geographical context of Californian space operations, a critical hub for orbital launches, particularly those requiring polar or near-polar trajectories. The mission is cataloged as a distinct spacecraft entity, contributing to the comprehensive database of human-made objects sent into orbit.

## Notable For
*   **Specific Identification:** Uniquely cataloged in space data records with the NSSDCA ID ORBCAL1.
*   **Launch Vehicle:** Utilized the Atlas E/F, a prominent class of American expendable launch vehicle.
*   **Launch Location:** Deployed from the Vandenberg Space Launch Complex 2 East facility.
*   **Timeline:** Represents a spaceflight event occurring on August 16, 1968.

## Body
### Mission Profile
ORBIS CAL I is classified as a spacecraft, defined as a vehicle or machine designed to fly in space. The mission was executed in the mid-summer of 1968.

### Launch Operations
The spacecraft was successfully launched on **August 16, 1968**. The launch originated from **Vandenberg Space Launch Complex 2 East**, a specific launch site utilized for orbital insertion.

### Vehicle Specifications
The delivery system used for ORBIS CAL I was the **Atlas E/F**. This vehicle is categorized as an American expendable launch vehicle, indicating it was designed for one-time use to place payloads into space.

## References

1. Jonathan's Space Report