🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.47 AU - 0.57 AU

Year: 141 Days

Day: 18.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,555,748 km

• M1: 184,454 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.6 AU - 0.6 AU

Year: 174 Days

Day: 28.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 28 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,555,748 km

• M1: 43,832 km (0.056 R)
• M2: 500,255 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.84 AU - 1.12 AU

Year: 364 Days

Day: 12 Hours

Environment

Temp: 21 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,555,748 km

• M1: 401,072 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.66 AU - 2.18 AU

Year: 997 Days

Day: 36.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.77 AU - 2.09 AU

Year: 1005 Days

Day: 13.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 9.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.08 AU - 8.16 AU

Year: 7119 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,555,748 km

• M1: 125,513 km (0.106 R)
• M2: 497,413 km (0.099 R)
• M3: 1,727,556 km (0.085 R)
• M4: 2,195,349 km (0.079 R)
• M5: 2,546,904 km (0.034 R)
• M6: 3,835,241 km (0.116 R)
• M7: 4,689,594 km (0.081 R)
• M8: 6,910,674 km (0.111 R)
• M9: 7,861,817 km (0.113 R)
• M10: 8,210,829 km (0.096 R)
• M11: 8,692,085 km (0.037 R)
• M12: 9,023,295 km (0.073 R)
• M13: 9,667,164 km (0.111 R)
• M14: 10,113,115 km (0.069 R)
• M15: 12,138,222 km (0.062 R)
• M16: 13,630,012 km (0.081 R)
• M17: 14,593,272 km (0.057 R)
• M18: 15,844,958 km (0.087 R)
• M19: 16,340,276 km (0.105 R)
• M20: 17,888,016 km (0.063 R)
• M21: 20,462,296 km (0.106 R)
• M22: 22,723,318 km (0.098 R)
• M23: 24,483,786 km (0.112 R)
• M24: 26,161,526 km (0.088 R)
• M25: 26,679,434 km (0.028 R)
• M26: 31,750,652 km (0.112 R)
• M27: 33,338,484 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.5

Radius: 6.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 11.11 AU - 17.35 AU

Year: 20116 Days

Day: 18.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,555,748 km

• M1: 83,625 km (0.103 R)
• M2: 360,232 km (0.116 R)
• M3: 1,002,755 km (0.102 R)
• M4: 2,373,370 km (0.105 R)
• M5: 2,748,861 km (0.107 R)
• M6: 3,279,185 km (0.118 R)
• M7: 4,454,277 km (0.1 R)
• M8: 6,027,897 km (0.082 R)
• M9: 7,561,724 km (0.109 R)
• M10: 7,812,450 km (0.116 R)
• M11: 8,155,328 km (0.116 R)
• M12: 8,963,456 km (0.107 R)
• M13: 11,001,577 km (0.099 R)
• M14: 13,881,934 km (0.051 R)
• M15: 16,872,246 km (0.108 R)
• M16: 18,706,167 km (0.104 R)
• M17: 21,574,706 km (0.069 R)
• M18: 34,820,700 km (0.057 R)
• M19: 35,051,379 km (0.104 R)
• M20: 37,898,077 km (0.11 R)
• M21: 38,880,187 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.6

Radius: 7.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 13.93 AU - 15.81 AU

Year: 21488 Days

Day: 16.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,555,748 km

• M1: 89,609 km (0.106 R)
• M2: 316,549 km (0.118 R)
• M3: 732,282 km (0.082 R)
• M4: 994,078 km (0.046 R)
• M5: 2,184,578 km (0.114 R)
• M6: 2,411,667 km (0.088 R)
• M7: 3,957,312 km (0.067 R)
• M8: 5,230,839 km (0.096 R)
• M9: 5,781,359 km (0.082 R)
• M10: 6,600,258 km (0.085 R)
• M11: 11,317,827 km (0.038 R)
• M12: 12,654,484 km (0.104 R)
• M13: 15,224,725 km (0.108 R)
• M14: 16,058,883 km (0.111 R)
• M15: 19,060,115 km (0.095 R)
• M16: 20,275,747 km (0.04 R)
• M17: 20,776,302 km (0.059 R)
• M18: 26,243,057 km (0.105 R)
• M19: 27,950,417 km (0.107 R)
• M20: 31,473,597 km (0.119 R)
• M21: 32,257,340 km (0.095 R)
• M22: 40,690,621 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit