# Nova

ESPA-Grande LEO workhorse designed
to power proliferated constellations.

## Adaptable LEO Workhorse

Nova is a highly adaptable LEO constellation workhorse with multiple layers of built-in redundancy to maximize reliability and serve customers across a wide range of demanding LEO missions.

From proliferated communications to missile warning and tracking, Nova is designed to support large-scale constellation deployments across LEO orbits.

### Payload Mass

Up to

300

KG

Additional Payload Capacity Available With Dedicated Launch Configurations

### Payload OAP

1

kW

Base Power EOL (7 yrs.)

### First Flight

2026

### Notional Missions

Nova’s high-reliability architecture supports a range of critical LEO missions. From proliferated communications to missile warning and tracking, Nova provides a dependable platform for customers to deliver persistence, precision, and global reach.

#### Proliferated Communications

Nova's scalable production and highly-reliable, redundant architecture make it ideal for building resilient LEO constellations with global coverage.

#### High-Altitude Remote Sensing

Nova supports advanced sensing missions, including Missile Warning & Missile Tracking with a full 1kW of power and precision pointing.

#### Space-Based Interceptor Host Vehicles

Heavy configurations of the Nova platform offer increased payload capacity to host SBIs and support critical on-orbit life-support functions.

# NOVA Platform

### 1.0    Mission Parameters

| Design Life | 7 Years @ 1,100 km |
| --- | --- |
| Nominal Orbit | 500-1,100 km circular orbit \\| 45°-135° Inclinations |
| Propulsion | HET Electric Propulsion |
| Compatible<br> Launch Vehicles | SpaceX F9 (Rideshare or Dedicated) \\| NSSL \\| Others |

### 2.0    Mechanical Configuration

| Payload Volume | SpaceX Rideshare XL Plate Compatible (Base Model):<br>965 × 1185 × 1000 mm (L × W × H) |
| Bus Dry Mass | 300 kg (Base Model) |
| Payload Mass | Up to 300 kg (Base Model) |

### 3.0    GNC Performance

| Pointing Knowledge | <25 arcsec @ 3σ |
| Pointing Control | <50 arcsec @ 3σ |
| Pos/Vel/Time Accuracy | Position 10 m<br> Velocity 0.03 m/s<br> Time 30 ns RMS |

### 4.0    Power & Data

| Payload Orbit Average Power (EOL @ 7 Years) | Base Model: 1 kW |
| Bus Voltage | 28 V Unregulated |
| SADA Options | Single-Axis SADAs |
| Encryption Options | AES 256 \\| NSA Type 1 |
| Payload Power Services | Power Lines \\| Temperature Sensors \\| Heaters |
| Payload Data Services | Gigabit Ethernet \\| RS-422 \\| PPS \\| Discretes \\| 10 MHz Clock Signal \\| Analog |
| Communications | Included: Base \\| S-band TT&C (125 kbps)<br> Add-On: Mission Data Link \\| X-Band (350 Mbps)<br>_Published X-Band and S-Band data rates assume standard commercially available ground stations. Operational data rates may exceed published estimates._ |
| Accommodations | Mechanical accommodations for up to 4 customer-furnished OCTs |

# Configure & order your Apex Bus

Select a bus model to start configuring

## Payload Configurations

### LEO

#### Payload Capacity

150 KG

#### Payload OAP

175+ W

### NOVA

#### Payload Capacity

300 KG

#### Payload OAP

1 kW

## Payload OAP

1 KW

### Assumptions

- Power: Payload orbit average power (OAP) is listed as End of Life (EOL) and assumes a 550km circular sun-synchronous orbit with sun-tracking for the duration of the orbit.
- Communications: Data rates listed are peak data rates.
- Propulsion: Listed prices do not include propellant.
- Launch Vehicle Integration: Listed LV integration pricing assumes Apex’s standard service and a US-based launch vehicle.
- Available payload volume and masses shown assume a Falcon 9 Rideshare envelope.