🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611

Radius: 12.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,476,958 km

• M1: 159,172 km (0.056 R)
• M2: 813,513 km (0.07 R)
• M3: 1,300,604 km (0.093 R)
• M4: 1,832,873 km (0.114 R)
• M5: 2,553,336 km (0.043 R)
• M6: 3,368,495 km (0.045 R)
• M7: 4,048,418 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.1

Radius: 9.5

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.59 AU - 0.91 AU

Year: 441 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,476,958 km

• M1: 118,182 km (0.086 R)
• M2: 487,539 km (0.081 R)
• M3: 819,348 km (0.101 R)
• M4: 1,155,644 km (0.082 R)
• M5: 1,506,899 km (0.078 R)
• M6: 2,040,515 km (0.093 R)
• M7: 2,410,321 km (0.058 R)
• M8: 2,891,128 km (0.116 R)
• M9: 4,144,310 km (0.087 R)
• M10: 5,586,583 km (0.043 R)
• M11: 6,091,027 km (0.081 R)
• M12: 6,469,659 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 10.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.91 AU - 0.97 AU

Year: 618 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,476,958 km

• M1: 128,205 km (0.101 R)
• M2: 450,439 km (0.106 R)
• M3: 812,017 km (0.081 R)
• M4: 1,230,442 km (0.066 R)
• M5: 1,877,304 km (0.1 R)
• M6: 2,319,814 km (0.066 R)
• M7: 2,656,260 km (0.119 R)
• M8: 3,205,583 km (0.1 R)
• M9: 3,526,171 km (0.1 R)
• M10: 3,987,232 km (0.074 R)
• M11: 4,430,491 km (0.111 R)
• M12: 4,829,767 km (0.093 R)
• M13: 5,482,463 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 13.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.09 AU - 1.61 AU

Year: 1064 Days

Day: 14.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,476,958 km

• M1: 167,998 km (0.057 R)
• M2: 859,739 km (0.086 R)
• M3: 1,352,514 km (0.116 R)
• M4: 1,805,048 km (0.085 R)
• M5: 2,258,629 km (0.112 R)
• M6: 2,859,563 km (0.085 R)
• M7: 4,482,551 km (0.112 R)
• M8: 4,988,341 km (0.055 R)
• M9: 6,590,235 km (0.11 R)
• M10: 7,246,670 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.5

Radius: 14.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.59 AU - 2.01 AU

Year: 1638 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,476,958 km

• M1: 179,069 km (0.096 R)
• M2: 635,641 km (0.109 R)
• M3: 1,109,119 km (0.101 R)
• M4: 1,743,563 km (0.076 R)
• M5: 2,261,471 km (0.087 R)
• M6: 2,814,086 km (0.115 R)
• M7: 5,121,782 km (0.054 R)
• M8: 5,789,138 km (0.061 R)
• M9: 6,611,777 km (0.111 R)
• M10: 8,666,803 km (0.103 R)
• M11: 9,272,076 km (0.12 R)
• M12: 12,618,431 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 15,008 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit