🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 14.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.93 AU - 1.07 AU

Year: 678 Days

Day: 9.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,750,188 km

• M1: 177,124 km (0.095 R)
• M2: 619,335 km (0.116 R)
• M3: 1,125,275 km (0.093 R)
• M4: 1,730,249 km (0.098 R)
• M5: 2,394,015 km (0.116 R)
• M6: 2,901,899 km (0.072 R)
• M7: 3,515,101 km (0.079 R)
• M8: 4,089,258 km (0.094 R)
• M9: 4,657,879 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 8.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.78 AU - 2.18 AU

Year: 1890 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,750,188 km

• M1: 107,112 km (0.086 R)
• M2: 788,381 km (0.078 R)
• M3: 1,280,408 km (0.073 R)
• M4: 1,956,890 km (0.091 R)
• M5: 2,770,104 km (0.088 R)
• M6: 4,509,777 km (0.102 R)
• M7: 4,817,949 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.9

Radius: 11.4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.48 AU - 2.5 AU

Year: 2665 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,750,188 km

• M1: 141,968 km (0.119 R)
• M2: 718,070 km (0.094 R)
• M3: 1,137,692 km (0.107 R)
• M4: 1,624,633 km (0.074 R)
• M5: 2,024,508 km (0.093 R)
• M6: 2,866,744 km (0.095 R)
• M7: 3,280,981 km (0.086 R)
• M8: 3,751,167 km (0.079 R)
• M9: 4,231,376 km (0.044 R)
• M10: 4,604,622 km (0.068 R)
• M11: 5,019,158 km (0.044 R)
• M12: 5,794,524 km (0.079 R)
• M13: 6,301,362 km (0.089 R)
• M14: 6,861,755 km (0.099 R)
• M15: 8,082,324 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.1

Radius: 3.9

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.44 AU - 9 AU

Year: 13158 Days

Day: 15.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,750,188 km

• M1: 48,619 km (0.078 R)
• M2: 205,996 km (0.103 R)
• M3: 414,835 km (0.045 R)
• M4: 654,491 km (0.119 R)
• M5: 1,284,597 km (0.116 R)
• M6: 1,620,145 km (0.113 R)
• M7: 2,317,271 km (0.092 R)
• M8: 2,462,830 km (0.097 R)
• M9: 2,595,224 km (0.055 R)
• M10: 2,853,729 km (0.069 R)
• M11: 3,172,971 km (0.037 R)
• M12: 3,307,160 km (0.026 R)
• M13: 3,635,228 km (0.115 R)
• M14: 4,036,151 km (0.117 R)
• M15: 4,720,710 km (0.065 R)
• M16: 5,511,335 km (0.11 R)
• M17: 5,640,438 km (0.081 R)
• M18: 5,804,547 km (0.102 R)
• M19: 6,351,327 km (0.11 R)
• M20: 8,280,841 km (0.087 R)
• M21: 9,469,994 km (0.103 R)
• M22: 11,329,645 km (0.115 R)
• M23: 12,902,966 km (0.094 R)
• M24: 17,014,364 km (0.088 R)
• M25: 25,488,186 km (0.091 R)
• M26: 26,758,422 km (0.114 R)
• M27: 27,035,926 km (0.065 R)
• M28: 31,433,355 km (0.098 R)
• M29: 32,576,432 km (0.11 R)
• M30: 36,966,531 km (0.087 R)
• M31: 37,889,401 km (0.102 R)
• M32: 38,946,010 km (0.112 R)
• M33: 40,263,669 km (0.098 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: 398 - 17,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit