🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.49 AU - 1.93 AU

Year: 829 Days

Day: 17.6 Hours

Environment

Temp: -49 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 12

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.24 AU - 5.52 AU

Year: 3998 Days

Day: 8.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,670,893 km

• M1: 150,346 km (0.087 R)
• M2: 537,954 km (0.119 R)
• M3: 1,180,477 km (0.075 R)
• M4: 1,714,541 km (0.085 R)
• M5: 2,854,178 km (0.116 R)
• M6: 5,640,887 km (0.094 R)
• M7: 6,015,181 km (0.119 R)
• M8: 7,928,388 km (0.117 R)
• M9: 8,585,422 km (0.114 R)
• M10: 13,266,938 km (0.111 R)
• M11: 13,725,006 km (0.076 R)
• M12: 14,565,597 km (0.089 R)
• M13: 15,218,442 km (0.049 R)
• M14: 18,462,771 km (0.073 R)
• M15: 19,814,836 km (0.12 R)
• M16: 21,578,894 km (0.079 R)
• M17: 23,224,920 km (0.095 R)
• M18: 26,604,186 km (0.091 R)
• M19: 27,089,182 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.2

Radius: 6.3

Gravity: 25.12 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 12.07 AU - 16.23 AU

Year: 19740 Days

Day: 22.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,670,893 km

• M1: 105,167 km (0.044 R)
• M2: 601,832 km (0.1 R)
• M3: 1,229,694 km (0.11 R)
• M4: 1,461,422 km (0.097 R)
• M5: 4,096,438 km (0.071 R)
• M6: 5,626,825 km (0.075 R)
• M7: 5,836,411 km (0.089 R)
• M8: 7,059,972 km (0.119 R)
• M9: 9,116,345 km (0.111 R)
• M10: 10,064,945 km (0.063 R)
• M11: 10,626,535 km (0.105 R)
• M12: 15,157,555 km (0.086 R)
• M13: 22,572,374 km (0.105 R)
• M14: 29,247,431 km (0.099 R)
• M15: 31,427,820 km (0.037 R)
• M16: 41,868,106 km (0.07 R)
• M17: 45,973,221 km (0.05 R)
• M18: 49,979,452 km (0.097 R)
• M19: 51,061,643 km (0.026 R)
• M20: 53,272,699 km (0.099 R)
• M21: 55,354,803 km (0.106 R)
• M22: 60,287,344 km (0.109 R)
• M23: 69,666,083 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.7

Radius: 7.9

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 13.92 AU - 17.46 AU

Year: 23048 Days

Day: 19 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,670,893 km

• M1: 99,632 km (0.098 R)
• M2: 487,091 km (0.113 R)
• M3: 1,078,601 km (0.084 R)
• M4: 2,083,749 km (0.042 R)
• M5: 2,616,616 km (0.115 R)
• M6: 3,073,488 km (0.069 R)
• M7: 8,787,977 km (0.095 R)
• M8: 14,707,864 km (0.087 R)
• M9: 15,256,589 km (0.114 R)
• M10: 20,631,342 km (0.069 R)
• M11: 22,327,781 km (0.052 R)
• M12: 26,682,276 km (0.079 R)
• M13: 51,705,362 km (0.071 R)
• M14: 56,517,328 km (0.12 R)
• M15: 58,250,269 km (0.087 R)
• M16: 64,282,205 km (0.112 R)
• M17: 65,116,662 km (0.067 R)
• M18: 65,536,583 km (0.083 R)
• M19: 68,094,258 km (0.106 R)
• M20: 79,468,334 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 20,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit