🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.5

Radius: 12.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.73 AU - 1.15 AU

Year: 618 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,814,044 km

• M1: 159,471 km (0.036 R)
• M2: 755,170 km (0.071 R)
• M3: 1,239,418 km (0.111 R)
• M4: 1,801,458 km (0.041 R)
• M5: 2,395,361 km (0.106 R)
• M6: 2,989,265 km (0.084 R)
• M7: 3,747,875 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 9.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.26 AU - 1.86 AU

Year: 1322 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,814,044 km

• M1: 113,246 km (0.094 R)
• M2: 429,795 km (0.112 R)
• M3: 757,115 km (0.107 R)
• M4: 1,146,219 km (0.11 R)
• M5: 1,576,163 km (0.091 R)
• M6: 2,362,450 km (0.046 R)
• M7: 2,646,386 km (0.097 R)
• M8: 3,122,856 km (0.115 R)
• M9: 3,420,107 km (0.073 R)
• M10: 3,703,894 km (0.118 R)
• M11: 7,069,547 km (0.056 R)
• M12: 7,906,547 km (0.087 R)
• M13: 8,433,879 km (0.106 R)
• M14: 9,043,939 km (0.095 R)
• M15: 11,675,665 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 8.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.9 AU - 6.3 AU

Year: 8988 Days

Day: 9.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,814,044 km

• M1: 105,766 km (0.113 R)
• M2: 440,117 km (0.046 R)
• M3: 898,485 km (0.112 R)
• M4: 1,401,732 km (0.107 R)
• M5: 2,066,096 km (0.109 R)
• M6: 2,842,509 km (0.12 R)
• M7: 3,185,088 km (0.065 R)
• M8: 4,437,671 km (0.1 R)
• M9: 5,299,654 km (0.097 R)
• M10: 6,094,168 km (0.062 R)
• M11: 7,157,211 km (0.027 R)
• M12: 9,227,047 km (0.066 R)
• M13: 13,415,189 km (0.074 R)
• M14: 15,526,165 km (0.112 R)
• M15: 16,321,277 km (0.054 R)
• M16: 22,247,896 km (0.1 R)
• M17: 22,665,125 km (0.075 R)
• M18: 24,035,441 km (0.095 R)
• M19: 25,642,122 km (0.063 R)
• M20: 27,894,019 km (0.117 R)
• M21: 37,279,191 km (0.104 R)
• M22: 37,749,676 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.3

Radius: 3.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.48 AU - 11.28 AU

Year: 22682 Days

Day: 24.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,814,044 km

• M1: 47,123 km (0.057 R)
• M2: 195,824 km (0.056 R)
• M3: 407,804 km (0.119 R)
• M4: 818,899 km (0.084 R)
• M5: 1,287,738 km (0.1 R)
• M6: 2,826,053 km (0.094 R)
• M7: 3,386,447 km (0.067 R)
• M8: 3,692,973 km (0.06 R)
• M9: 6,447,219 km (0.117 R)
• M10: 9,847,579 km (0.092 R)
• M11: 11,845,907 km (0.062 R)
• M12: 12,005,828 km (0.094 R)
• M13: 12,827,419 km (0.103 R)
• M14: 14,158,690 km (0.099 R)
• M15: 15,707,178 km (0.025 R)
• M16: 18,271,585 km (0.075 R)
• M17: 20,027,265 km (0.084 R)
• M18: 20,713,620 km (0.065 R)
• M19: 20,868,155 km (0.109 R)
• M20: 23,954,509 km (0.048 R)
• M21: 38,632,902 km (0.061 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: 450 - 10,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit