🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.46 AU - 0.72 AU

Year: 166 Days

Day: 37.5 Hours

Environment

Temp: 238 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.78 AU - 1 AU

Year: 307 Days

Day: 16.3 Hours

Environment

Temp: 132 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.4 AU - 1.62 AU

Year: 678 Days

Day: 40.3 Hours

Environment

Temp: -34 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.69 AU - 2.71 AU

Year: 1192 Days

Day: 43.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.3 AU - 5.3 AU

Year: 3257 Days

Day: 21.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.92 AU - 5.26 AU

Year: 3592 Days

Day: 46.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 11.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.56 AU - 7.94 AU

Year: 7880 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,326,515 km

• M1: 140,472 km (0.074 R)
• M2: 993,928 km (0.119 R)
• M3: 3,591,994 km (0.075 R)
• M4: 5,952,350 km (0.12 R)
• M5: 6,446,172 km (0.105 R)
• M6: 7,121,158 km (0.066 R)
• M7: 8,009,620 km (0.102 R)
• M8: 8,656,630 km (0.08 R)
• M9: 10,604,095 km (0.104 R)
• M10: 11,120,358 km (0.055 R)
• M11: 13,060,343 km (0.091 R)
• M12: 16,549,863 km (0.042 R)
• M13: 18,768,250 km (0.118 R)
• M14: 23,352,976 km (0.092 R)
• M15: 23,787,707 km (0.09 R)
• M16: 26,510,089 km (0.08 R)
• M17: 28,044,066 km (0.049 R)
• M18: 28,733,413 km (0.113 R)
• M19: 35,113,463 km (0.118 R)
• M20: 37,790,666 km (0.088 R)
• M21: 43,942,579 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.2

Radius: 9.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.93 AU - 11.99 AU

Year: 13253 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,326,515 km

• M1: 123,119 km (0.08 R)
• M2: 1,107,473 km (0.092 R)
• M3: 2,190,711 km (0.046 R)
• M4: 2,588,791 km (0.104 R)
• M5: 2,995,847 km (0.11 R)
• M6: 3,664,400 km (0.046 R)
• M7: 4,636,487 km (0.106 R)
• M8: 5,384,177 km (0.095 R)
• M9: 8,543,834 km (0.111 R)
• M10: 12,767,281 km (0.056 R)
• M11: 13,512,876 km (0.034 R)
• M12: 15,091,134 km (0.074 R)
• M13: 18,880,448 km (0.115 R)
• M14: 19,638,012 km (0.071 R)
• M15: 20,415,621 km (0.07 R)
• M16: 21,881,980 km (0.051 R)
• M17: 22,564,296 km (0.103 R)
• M18: 23,260,674 km (0.112 R)
• M19: 24,859,576 km (0.061 R)
• M20: 25,853,354 km (0.073 R)
• M21: 27,831,786 km (0.119 R)
• M22: 29,084,220 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.4

Radius: 4.6

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 12.16 AU - 18.28 AU

Year: 21688 Days

Day: 20.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,326,515 km

• M1: 57,146 km (0.118 R)
• M2: 589,116 km (0.084 R)
• M3: 924,664 km (0.117 R)
• M4: 1,309,131 km (0.102 R)
• M5: 1,630,467 km (0.118 R)
• M6: 5,655,248 km (0.104 R)
• M7: 6,068,438 km (0.084 R)
• M8: 6,912,469 km (0.112 R)
• M9: 11,250,807 km (0.095 R)
• M10: 12,896,832 km (0.066 R)
• M11: 16,431,531 km (0.101 R)
• M12: 17,426,058 km (0.117 R)
• M13: 20,736,658 km (0.038 R)
• M14: 24,248,319 km (0.12 R)
• M15: 26,659,089 km (0.118 R)
• M16: 28,786,221 km (0.112 R)
• M17: 29,779,401 km (0.101 R)
• M18: 35,213,992 km (0.089 R)
• M19: 37,508,973 km (0.103 R)
• M20: 39,361,444 km (0.076 R)
• M21: 40,446,776 km (0.076 R)
• M22: 41,412,879 km (0.118 R)
• M23: 51,449,251 km (0.063 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: 436 - 15,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit