🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 9.7

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 8.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,092,218 km

• M1: 120,576 km (0.077 R)
• M2: 490,083 km (0.105 R)
• M3: 871,258 km (0.115 R)
• M4: 1,175,091 km (0.114 R)
• M5: 1,588,131 km (0.086 R)
• M6: 1,923,081 km (0.063 R)
• M7: 3,085,905 km (0.117 R)
• M8: 3,484,284 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 14.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.54 AU - 0.64 AU

Year: 302 Days

Day: 7.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 155.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,092,218 km

• M1: 177,872 km (0.078 R)
• M2: 628,012 km (0.066 R)
• M3: 1,218,624 km (0.063 R)
• M4: 1,666,071 km (0.074 R)
• M5: 2,902,199 km (0.052 R)
• M6: 3,361,315 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.5

Radius: 11.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,092,218 km

• M1: 147,952 km (0.12 R)
• M2: 542,143 km (0.082 R)
• M3: 1,161,029 km (0.038 R)
• M4: 1,769,593 km (0.09 R)
• M5: 2,239,480 km (0.108 R)
• M6: 2,610,932 km (0.102 R)
• M7: 3,023,971 km (0.053 R)
• M8: 3,607,702 km (0.045 R)
• M9: 4,135,783 km (0.117 R)
• M10: 4,885,866 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 12.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.74 AU - 2.1 AU

Year: 1774 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,092,218 km

• M1: 153,338 km (0.119 R)
• M2: 561,441 km (0.102 R)
• M3: 1,076,656 km (0.114 R)
• M4: 1,523,505 km (0.117 R)
• M5: 1,954,496 km (0.095 R)
• M6: 2,387,283 km (0.086 R)
• M7: 3,305,814 km (0.098 R)
• M8: 3,706,287 km (0.054 R)
• M9: 4,122,618 km (0.112 R)
• M10: 4,993,278 km (0.119 R)
• M11: 5,605,133 km (0.081 R)
• M12: 6,377,806 km (0.086 R)
• M13: 6,837,071 km (0.094 R)
• M14: 8,161,910 km (0.064 R)
• M15: 9,069,371 km (0.104 R)
• M16: 10,825,800 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 13

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.52 AU - 4.84 AU

Year: 5699 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,092,218 km

• M1: 162,314 km (0.111 R)
• M2: 914,492 km (0.093 R)
• M3: 1,452,595 km (0.085 R)
• M4: 1,991,896 km (0.104 R)
• M5: 2,936,008 km (0.113 R)
• M6: 4,033,757 km (0.068 R)
• M7: 6,966,474 km (0.114 R)
• M8: 8,144,258 km (0.101 R)
• M9: 12,975,222 km (0.097 R)
• M10: 16,906,803 km (0.088 R)
• M11: 18,087,729 km (0.102 R)
• M12: 20,301,179 km (0.096 R)
• M13: 21,764,845 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 16,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit