🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.18 AU - 2.32 AU

Year: 963 Days

Day: 40.6 Hours

Environment

Temp: 91 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.11 AU - 2.51 AU

Year: 1001 Days

Day: 31.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,841,228 km

• M1: 70,909 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.1 AU - 5.86 AU

Year: 3170 Days

Day: 45.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.15 AU - 9.47 AU

Year: 7458 Days

Day: 43 Hours

Environment

Temp: -120 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,841,228 km

• M1: 65,225 km (0.118 R)

Asteroid Belt

Center: 10.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 9.3

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 9.91 AU - 13.57 AU

Year: 11473 Days

Day: 8.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,841,228 km

• M1: 116,238 km (0.051 R)
• M2: 760,406 km (0.054 R)
• M3: 1,065,436 km (0.097 R)
• M4: 1,785,750 km (0.12 R)
• M5: 2,321,011 km (0.093 R)
• M6: 2,626,939 km (0.092 R)
• M7: 3,077,079 km (0.031 R)
• M8: 3,578,082 km (0.051 R)
• M9: 4,250,076 km (0.084 R)
• M10: 4,553,909 km (0.117 R)
• M11: 5,448,055 km (0.049 R)
• M12: 5,844,190 km (0.095 R)
• M13: 7,938,261 km (0.088 R)
• M14: 9,431,547 km (0.105 R)
• M15: 13,476,973 km (0.119 R)
• M16: 14,610,177 km (0.117 R)
• M17: 15,376,567 km (0.094 R)
• M18: 15,805,763 km (0.119 R)
• M19: 16,913,834 km (0.081 R)
• M20: 17,448,198 km (0.068 R)
• M21: 18,793,083 km (0.086 R)
• M22: 20,894,634 km (0.115 R)
• M23: 21,777,411 km (0.109 R)
• M24: 28,774,552 km (0.053 R)
• M25: 29,756,363 km (0.062 R)
• M26: 36,626,795 km (0.079 R)
• M27: 37,008,419 km (0.078 R)
• M28: 37,650,343 km (0.103 R)
• M29: 39,088,876 km (0.096 R)
• M30: 45,943,750 km (0.096 R)
• M31: 47,736,830 km (0.111 R)
• M32: 48,040,065 km (0.049 R)
• M33: 48,957,698 km (0.109 R)
• M34: 49,266,169 km (0.112 R)
• M35: 52,261,717 km (0.039 R)
• M36: 53,232,458 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 11.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 11.36 AU - 18.74 AU

Year: 16652 Days

Day: 13.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,841,228 km

• M1: 148,102 km (0.032 R)
• M2: 650,302 km (0.095 R)
• M3: 1,024,895 km (0.029 R)
• M4: 3,008,413 km (0.104 R)
• M5: 3,808,762 km (0.053 R)
• M6: 6,106,585 km (0.081 R)
• M7: 7,712,069 km (0.103 R)
• M8: 8,689,093 km (0.088 R)
• M9: 9,528,636 km (0.085 R)
• M10: 11,067,101 km (0.07 R)
• M11: 13,367,916 km (0.106 R)
• M12: 17,230,234 km (0.064 R)
• M13: 20,034,147 km (0.09 R)
• M14: 24,026,016 km (0.114 R)
• M15: 27,073,026 km (0.073 R)
• M16: 27,512,544 km (0.096 R)
• M17: 28,859,972 km (0.1 R)
• M18: 29,666,006 km (0.077 R)
• M19: 30,486,999 km (0.037 R)
• M20: 34,305,933 km (0.114 R)
• M21: 38,709,795 km (0.102 R)
• M22: 39,127,921 km (0.113 R)
• M23: 46,078,837 km (0.103 R)
• M24: 54,331,553 km (0.084 R)
• M25: 55,031,372 km (0.116 R)
• M26: 58,438,314 km (0.104 R)
• M27: 65,274,488 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 23.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.1

Radius: 7.1

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 23.27 AU - 23.31 AU

Year: 32057 Days

Day: 16.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 96.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,841,228 km

• M1: 88,861 km (0.093 R)
• M2: 487,689 km (0.085 R)
• M3: 1,082,041 km (0.113 R)
• M4: 2,482,726 km (0.084 R)
• M5: 3,398,564 km (0.114 R)
• M6: 7,479,295 km (0.119 R)
• M7: 12,618,730 km (0.099 R)
• M8: 14,158,840 km (0.113 R)
• M9: 23,556,429 km (0.05 R)
• M10: 24,755,156 km (0.061 R)
• M11: 28,839,029 km (0.026 R)
• M12: 30,083,533 km (0.034 R)
• M13: 33,080,876 km (0.11 R)
• M14: 34,306,083 km (0.081 R)
• M15: 58,034,100 km (0.106 R)
• M16: 61,223,078 km (0.1 R)
• M17: 68,383,730 km (0.115 R)
• M18: 79,172,878 km (0.106 R)

Kuiper Belt

Range: 38.4 - 67.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 14,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit