🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.69 AU - 0.95 AU

Year: 278 Days

Day: 14.7 Hours

Environment

Temp: 129 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,346,029 km

• M1: 577,747 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 13.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.23 AU - 7.71 AU

Year: 6167 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,346,029 km

• M1: 169,943 km (0.118 R)
• M2: 761,453 km (0.033 R)
• M3: 1,624,633 km (0.116 R)
• M4: 2,737,043 km (0.07 R)
• M5: 3,550,257 km (0.098 R)
• M6: 4,965,303 km (0.111 R)
• M7: 5,626,675 km (0.075 R)
• M8: 6,144,134 km (0.118 R)
• M9: 9,402,525 km (0.115 R)
• M10: 11,503,927 km (0.092 R)
• M11: 12,501,894 km (0.115 R)
• M12: 17,960,720 km (0.058 R)
• M13: 20,036,391 km (0.084 R)
• M14: 24,489,471 km (0.055 R)
• M15: 25,348,761 km (0.077 R)
• M16: 27,036,823 km (0.066 R)
• M17: 28,047,656 km (0.104 R)
• M18: 30,438,679 km (0.115 R)
• M19: 32,549,804 km (0.032 R)
• M20: 35,623,292 km (0.072 R)
• M21: 37,738,905 km (0.094 R)

Planet 3 - Ice Giant

Semi-Major Axis: 15.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.9

Radius: 4.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 14.58 AU - 16.5 AU

Year: 22956 Days

Day: 16.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 147.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,346,029 km

• M1: 63,878 km (0.076 R)
• M2: 587,770 km (0.053 R)
• M3: 1,019,509 km (0.109 R)
• M4: 1,188,555 km (0.1 R)
• M5: 1,464,563 km (0.09 R)
• M6: 3,459,002 km (0.042 R)
• M7: 6,671,915 km (0.118 R)
• M8: 7,191,768 km (0.093 R)
• M9: 7,778,192 km (0.057 R)
• M10: 16,013,554 km (0.112 R)
• M11: 21,650,851 km (0.11 R)
• M12: 29,841,334 km (0.081 R)
• M13: 35,942,235 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.1

Radius: 5.9

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 13.86 AU - 17.68 AU

Year: 23468 Days

Day: 15.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,346,029 km

• M1: 73,303 km (0.113 R)
• M2: 400,922 km (0.068 R)
• M3: 1,087,277 km (0.112 R)
• M4: 1,378,844 km (0.09 R)
• M5: 1,810,882 km (0.08 R)
• M6: 3,018,436 km (0.116 R)
• M7: 4,116,784 km (0.104 R)
• M8: 11,899,015 km (0.067 R)
• M9: 12,296,197 km (0.047 R)
• M10: 16,358,078 km (0.089 R)
• M11: 18,206,360 km (0.102 R)
• M12: 21,329,515 km (0.108 R)
• M13: 22,311,924 km (0.105 R)
• M14: 23,119,304 km (0.08 R)
• M15: 24,155,718 km (0.084 R)
• M16: 27,222,025 km (0.081 R)
• M17: 28,966,636 km (0.049 R)
• M18: 31,658,500 km (0.067 R)
• M19: 40,280,423 km (0.089 R)
• M20: 41,627,104 km (0.112 R)
• M21: 48,813,636 km (0.101 R)
• M22: 60,201,325 km (0.101 R)
• M23: 61,763,126 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 13,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit