🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 13.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.89 AU - 1.21 AU

Year: 743 Days

Day: 6 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,400,444 km

• M1: 172,935 km (0.114 R)
• M2: 667,207 km (0.098 R)
• M3: 1,131,708 km (0.042 R)
• M4: 1,776,026 km (0.068 R)
• M5: 2,404,487 km (0.081 R)
• M6: 3,271,705 km (0.111 R)
• M7: 4,783,242 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 11.3

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.28 AU - 1.92 AU

Year: 1397 Days

Day: 12.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,400,444 km

• M1: 140,472 km (0.114 R)
• M2: 590,463 km (0.108 R)
• M3: 1,035,816 km (0.074 R)
• M4: 1,603,240 km (0.115 R)
• M5: 2,274,636 km (0.117 R)
• M6: 3,229,968 km (0.118 R)
• M7: 4,194,276 km (0.105 R)
• M8: 4,665,060 km (0.062 R)
• M9: 5,234,280 km (0.066 R)
• M10: 6,269,796 km (0.071 R)
• M11: 7,119,213 km (0.113 R)
• M12: 9,835,611 km (0.112 R)
• M13: 11,623,306 km (0.053 R)
• M14: 13,618,493 km (0.059 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.1

Radius: 7.3

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.85 AU - 10.19 AU

Year: 18699 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,400,444 km

• M1: 91,404 km (0.098 R)
• M2: 492,177 km (0.103 R)
• M3: 876,793 km (0.076 R)
• M4: 2,176,051 km (0.074 R)
• M5: 3,447,633 km (0.109 R)
• M6: 4,169,592 km (0.117 R)
• M7: 4,490,180 km (0.077 R)
• M8: 5,551,727 km (0.051 R)
• M9: 6,001,567 km (0.045 R)
• M10: 6,738,187 km (0.047 R)
• M11: 7,320,422 km (0.106 R)
• M12: 7,972,968 km (0.105 R)
• M13: 8,584,823 km (0.116 R)
• M14: 10,473,945 km (0.102 R)
• M15: 14,156,297 km (0.11 R)
• M16: 15,224,874 km (0.089 R)
• M17: 29,559,492 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.6

Radius: 4.2

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.92 AU - 10.6 AU

Year: 21047 Days

Day: 21.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,400,444 km

• M1: 52,359 km (0.086 R)
• M2: 546,182 km (0.059 R)
• M3: 886,068 km (0.057 R)
• M4: 1,121,834 km (0.114 R)
• M5: 1,771,239 km (0.111 R)
• M6: 2,641,150 km (0.067 R)
• M7: 3,734,711 km (0.04 R)
• M8: 4,158,073 km (0.094 R)
• M9: 4,348,960 km (0.107 R)
• M10: 8,108,205 km (0.081 R)
• M11: 10,703,578 km (0.11 R)
• M12: 11,615,975 km (0.075 R)
• M13: 12,447,740 km (0.115 R)
• M14: 12,778,052 km (0.089 R)
• M15: 17,208,841 km (0.119 R)
• M16: 20,124,654 km (0.097 R)
• M17: 20,763,287 km (0.045 R)
• M18: 22,858,255 km (0.106 R)
• M19: 25,936,232 km (0.026 R)
• M20: 28,134,872 km (0.095 R)
• M21: 33,150,140 km (0.084 R)
• M22: 40,001,423 km (0.091 R)
• M23: 41,154,973 km (0.118 R)
• M24: 41,887,254 km (0.118 R)
• M25: 42,479,213 km (0.113 R)
• M26: 65,685,882 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.5

Radius: 5.2

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.9 AU - 11.78 AU

Year: 22950 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,400,444 km

• M1: 84,224 km (0.077 R)
• M2: 346,020 km (0.118 R)
• M3: 696,528 km (0.078 R)
• M4: 2,630,529 km (0.094 R)
• M5: 3,094,582 km (0.054 R)
• M6: 6,792,192 km (0.105 R)
• M7: 9,407,911 km (0.116 R)
• M8: 10,099,053 km (0.106 R)
• M9: 15,986,627 km (0.098 R)
• M10: 19,727,022 km (0.047 R)
• M11: 21,301,540 km (0.084 R)
• M12: 22,303,995 km (0.113 R)
• M13: 23,147,279 km (0.074 R)
• M14: 24,402,554 km (0.115 R)
• M15: 27,048,043 km (0.109 R)
• M16: 28,548,659 km (0.085 R)
• M17: 30,217,274 km (0.052 R)
• M18: 38,734,629 km (0.114 R)
• M19: 43,754,385 km (0.117 R)
• M20: 47,026,091 km (0.12 R)
• M21: 50,937,626 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 13,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit