Black background with dense white noise or static pattern.
GEO
Learn More

LEO Aries

Highly-configurable, mid-size LEO platform with proven flight heritage.

Configure Now
Configure Now

BUS OVERVIEW

FLIGHT-PROVEN LEO PLATFORM

LEO Aries is a highly-configurable, mid-size LEO platform with proven flight heritage that comes in multiple power, GNC, and propulsion configurations. LEO Aries is currently in serial production at Factory One in Los Angeles, with flight units being delivered to customers every month.

PAYLOAD MASS

UP TO

150

KG

100 kg on SpaceX Rideshare

PAYLOAD OAP

175+

W

Base Power EOL (5 yrs.)

FIRST FLIGHT (IN ORBIT)

2024

DOWNLOAD THE ARIES SPEC SHEET
DOWNLOAD THE ARIES SPEC SHEET
DOWNLOAD THE ARIES USER'S GUIDE
DOWNLOAD THE ARIES USER'S GUIDE

NOTIONAL Missions

LEO Aries offers customers a proven bus platform that can easily be configured to meet a wide range of mission requirements. From remote sensing and communications missions to rapidly deployable demonstrations, Aries is in production and ready to launch.

REMOTE SENSING

Combine precision GNC and propulsion configuration options to tailor Aries to your specific remote sensing mission requirements.

RAPID RESPONSE

Apex's inventory approach allows customers to execute rapid response missions by leveraging configurable Aries buses already on the shelf.

TECHNOLOGY PATHFINDERS

Aries provides an adaptable architecture that creates an ideal platform for rapidly testing, validating, and advancing new space technologies.

REMOTE SENSING

Combine precision GNC and propulsion configuration options to tailor Aries to your specific remote sensing mission requirements.

RAPID RESPONSE

Apex's inventory approach allows customers to execute rapid response missions by leveraging configurable Aries buses already on the shelf.

TECHNOLOGY PATHFINDERS

Aries provides an adaptable architecture that creates an ideal platform for rapidly testing, validating, and advancing new space technologies.

Base Configuration Package

LEO Aries PLATFORM

Top-down view of a satellite with extended solar panels and structural supports.
DOWNLOAD THE SPEC SHEET
DOWNLOAD THE SPEC SHEET

Design Life 5 Years @ 550 km
Nominal Orbit 450–1,000 km circular orbit | 45°–110° inclinations
Propulsion Options Base: No Propulsion

Options:
• HET Electric Propulsion
• Chemical Propulsion
Compatible Launch Vehicles SpaceX F9 (Rideshare or Dedicated) | Rocket Lab Electron | Ariane 6 | PSLV | Others

Payload Volume SpaceX Rideshare Full Plate Compatible:
865 × 1170 × 550 mm (L × W × H)
Bus Dry Mass 125 kg (Base Model)
Payload Mass Up to 150 kg (Base Model)

Pointing Knowledge <215 arcsec @ 3σ
Pointing Control <430 arcsec @ 3σ
Maximum Slew Rate 1.25 deg/sec
Pos/Vel/Time Accuracy Position 10 m
Velocity 0.03 m/s
Time 40 ns RMS
Precision GNC Configuration Available Pointing Knowledge: 40 arcsec @ 3σ
Pointing Control: 80 arcsec @ 3σ

Payload Orbit Average Power (EOL) Base: 175+ W
Medium & High-Power Configurations Available
Bus Voltage 28V Unregulated | 5V and 15V Regulated
Encryption Options AES 256 | NSA Type 1
Payload Power Services Power Lines | Temperature Sensors | Heaters
Payload Data Services Gigabit Ethernet | RS422 | PPS | Discretes
RF Communications Base
S-band: 250 kbps (TT&C)
X-band: 125 Mbps (Downlink)

High-Rate Downlink Package
S-band: Up to 750 kbps
X-band: 350 Mbps

Published data rates assume commercially available ground station networks.

CONFIGURE & ORDER YOUR APEX BUS

Select a bus model to start configuring
COMING SOON
PAYLOAD Capacity
150KG
PAYLOAD OAP
180-800W
COMING SOON
PAYLOAD Capacity
150KG
PAYLOAD OAP
180-800W
COMING SOON
PAYLOAD Capacity
150KG
PAYLOAD OAP
180-800W
LEARN MORE
LEARN MORE
ARIES CONFIGURATOR
LEO ARIES
  • Bus Mass: 125 kg
  • Payload Capacity: Up to 150 kg
  • Price includes separation system & virtual flatsat
1.0
Power
2.0
SADAs
3.0
Communications
4.0
Propulsion
5.0
Encryption
6.0
GNC
7.0
Development & Test Equipment
ADD-ONS
8.0
Services
COnfirm your spec
For quantity discounts, contact us.
PAYLOAD OAP
1
KW EOL
VIEW ASSUMPTIONS
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.
TOTAL
$
00.00
Bus Delivery:
8
COnfirm your spec
For quantity discounts, contact us.
GEO ARIES CONFIGURATOR
GEO ARIES
  • Bus Mass: 175 kg
  • Payload Capacity: Up to 120 kg
  • Delta-V: Up to 800 m/s
  • Price includes separation system & virtual flatsat
1.0
Power
2.0
SADAs
3.0
Communications
4.0
Propulsion
5.0
Encryption
6.0
GNC
7.0
Services
COnfirm your spec
For quantity discounts, contact us.
PAYLOAD OAP
1
KW EOL
VIEW ASSUMPTIONS
ASSUMPTIONS
  • Up to 115 OAP.
  • Communications: Data rates listed are peak data rates.
  • Delta-v up to 800m/s.
  • Assumes standard ESPA volume.
TOTAL
$
00.00
Bus Delivery:
8
COnfirm your spec
For quantity discounts, contact us.
NOVA CONFIGURATOR
NOVA LEO
  • Payload Capacity: 300 kg
  • Pointing Knowledge: 25 arcsec @ 3σ
  • Pointing Control: 50 arcsec @ 3σ
  • Delta-V: Up to 650 m/s
  • Accommodations for 4 OCT’s
1.0
Communications
configurator_fieldset_icon
2.0
Encryption
3.0
GNC
4.0
Services
COnfirm your spec
For quantity discounts, contact us.
PAYLOAD OAP
1
KW EOL
VIEW ASSUMPTIONS
ASSUMPTIONS
  • Power: Payload Orbit Average Power (OAP) means average power available to the payload during an orbit. OAP is quoted at End of Life (EOL) and is true for any orbit within the nominal orbit range. A yaw-steering sun tracking attitude leveraging the single-axis SADAs is assumed.
  • Communications: Data rates listed are 95-percentile atmospheric conditions, 98-percentile worstearth location.
  • Propulsion: Listed prices do not include propellant.
  • Payload Mass: Listed available Payload Volume assumes a SpaceX Falcon 9 Full Plate XL.
  • Launch Vehicle Integration (LVI): Listed LVI prices for Aries do not transfer to Nova.
TOTAL
$
00.00
Bus Delivery:
8
COnfirm your spec
For quantity discounts, contact us.

EXPLORE APEX PLATFORMS

Looking for a larger platform to execute your next mission? Apex's Nova and Comet platforms provide increased size, weight, and power to support more demanding proliferated constellations.

PAYLOAD MASS: Up to 300 kg

Nova

Space telescope with extended solar panels against a black background.

Nova is an adaptable LEO constellation workhorse with additional layers of built-in redundancy to maximize reliability and meet the most demanding LEO mission requirements.

DISCOVER NOVA
DISCOVER NOVA

PAYLOAD MASS: 500+ KG

Comet

Space telescope with extended solar panels against a black background.

Comet provides a platform for large-aperture, power-hungry payloads while leveraging a flat pack design to maximize efficiency for large-scale constellation deployments.

DISCOVER COMET
DISCOVER COMET