🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 13.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.51 AU - 0.73 AU

Year: 331 Days

Day: 14.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,710,316 km

• M1: 170,093 km (0.115 R)
• M2: 612,902 km (0.11 R)
• M3: 1,365,380 km (0.045 R)
• M4: 1,913,357 km (0.073 R)
• M5: 2,584,154 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 10.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.27 AU - 1.57 AU

Year: 1148 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,710,316 km

• M1: 135,536 km (0.119 R)
• M2: 546,481 km (0.102 R)
• M3: 1,039,556 km (0.045 R)
• M4: 1,407,866 km (0.084 R)
• M5: 2,105,740 km (0.052 R)
• M6: 2,730,909 km (0.112 R)
• M7: 3,118,517 km (0.085 R)
• M8: 3,596,782 km (0.041 R)
• M9: 3,961,800 km (0.117 R)
• M10: 4,336,244 km (0.091 R)
• M11: 5,350,517 km (0.115 R)
• M12: 6,175,400 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 13.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.68 AU - 1.9 AU

Year: 1624 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,710,316 km

• M1: 174,880 km (0.092 R)
• M2: 756,068 km (0.091 R)
• M3: 1,212,790 km (0.09 R)
• M4: 1,733,540 km (0.119 R)
• M5: 2,331,483 km (0.096 R)
• M6: 2,823,959 km (0.06 R)
• M7: 3,758,647 km (0.045 R)
• M8: 5,134,797 km (0.071 R)
• M9: 5,725,111 km (0.1 R)
• M10: 6,197,241 km (0.054 R)
• M11: 8,229,678 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699

Radius: 5

Gravity: 27.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.68 AU - 6.96 AU

Year: 9523 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,710,316 km

• M1: 62,233 km (0.063 R)
• M2: 219,610 km (0.085 R)
• M3: 475,871 km (0.102 R)
• M4: 773,720 km (0.043 R)
• M5: 950,096 km (0.106 R)
• M6: 1,815,969 km (0.088 R)
• M7: 2,220,481 km (0.097 R)
• M8: 2,561,714 km (0.112 R)
• M9: 2,765,915 km (0.111 R)
• M10: 3,184,041 km (0.098 R)
• M11: 3,875,482 km (0.075 R)
• M12: 4,543,736 km (0.088 R)
• M13: 5,754,432 km (0.086 R)
• M14: 5,928,264 km (0.028 R)
• M15: 6,508,405 km (0.046 R)
• M16: 6,850,984 km (0.084 R)
• M17: 7,245,623 km (0.103 R)
• M18: 10,341,102 km (0.057 R)
• M19: 10,546,650 km (0.11 R)
• M20: 11,450,819 km (0.076 R)
• M21: 16,899,623 km (0.106 R)
• M22: 17,473,480 km (0.11 R)
• M23: 20,298,037 km (0.104 R)
• M24: 21,358,537 km (0.071 R)
• M25: 24,215,707 km (0.083 R)
• M26: 25,501,201 km (0.111 R)
• M27: 30,674,295 km (0.081 R)
• M28: 33,281,337 km (0.093 R)
• M29: 33,504,986 km (0.117 R)
• M30: 36,032,293 km (0.096 R)
• M31: 42,112,100 km (0.103 R)
• M32: 42,373,896 km (0.051 R)
• M33: 43,431,553 km (0.053 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 19,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit