🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.45 AU - 0.67 AU

Year: 152 Days

Day: 45.1 Hours

Environment

Temp: 209 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.71 AU

Year: 177 Days

Day: 42.5 Hours

Environment

Temp: 224 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.82 AU - 2.52 AU

Year: 1162 Days

Day: 41.9 Hours

Environment

Temp: -82 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.15 AU - 2.37 AU

Year: 1235 Days

Day: 29.3 Hours

Environment

Temp: -78 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.07 AU - 3.39 AU

Year: 1639 Days

Day: 35.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.7

Radius: 8.9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.68 AU - 7.26 AU

Year: 5981 Days

Day: 9.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 100,027,202 km

• M1: 110,702 km (0.114 R)
• M2: 410,497 km (0.099 R)
• M3: 994,975 km (0.111 R)
• M4: 1,478,476 km (0.073 R)
• M5: 2,839,068 km (0.09 R)
• M6: 4,331,307 km (0.099 R)
• M7: 4,699,767 km (0.107 R)
• M8: 5,590,323 km (0.078 R)
• M9: 5,868,874 km (0.1 R)
• M10: 6,420,441 km (0.114 R)
• M11: 6,935,507 km (0.117 R)
• M12: 7,294,093 km (0.111 R)
• M13: 9,063,088 km (0.105 R)
• M14: 10,623,842 km (0.09 R)
• M15: 11,052,590 km (0.093 R)
• M16: 11,344,755 km (0.08 R)
• M17: 11,742,386 km (0.113 R)
• M18: 14,154,951 km (0.071 R)
• M19: 18,061,699 km (0.084 R)
• M20: 20,152,479 km (0.091 R)
• M21: 24,560,230 km (0.03 R)
• M22: 25,479,210 km (0.115 R)
• M23: 27,031,886 km (0.082 R)
• M24: 32,067,650 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.5

Radius: 5.7

Gravity: 26.92 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 10.4 AU - 15.8 AU

Year: 17232 Days

Day: 16.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 100,027,202 km

• M1: 70,909 km (0.094 R)
• M2: 371,003 km (0.109 R)
• M3: 967,599 km (0.095 R)
• M4: 1,799,363 km (0.045 R)
• M5: 2,210,309 km (0.042 R)
• M6: 3,383,305 km (0.105 R)
• M7: 4,071,755 km (0.043 R)
• M8: 6,090,728 km (0.098 R)
• M9: 7,823,221 km (0.098 R)
• M10: 8,432,234 km (0.082 R)
• M11: 8,748,334 km (0.106 R)
• M12: 11,061,865 km (0.108 R)
• M13: 12,561,733 km (0.09 R)
• M14: 14,192,051 km (0.073 R)
• M15: 14,715,045 km (0.091 R)
• M16: 16,279,988 km (0.07 R)
• M17: 17,019,151 km (0.066 R)
• M18: 18,213,092 km (0.095 R)
• M19: 20,013,951 km (0.101 R)
• M20: 20,293,998 km (0.103 R)
• M21: 24,387,295 km (0.071 R)
• M22: 25,354,146 km (0.106 R)
• M23: 28,525,322 km (0.113 R)
• M24: 32,719,149 km (0.115 R)
• M25: 37,025,174 km (0.081 R)
• M26: 37,588,709 km (0.096 R)
• M27: 38,588,472 km (0.101 R)
• M28: 40,343,404 km (0.072 R)
• M29: 40,640,954 km (0.102 R)
• M30: 47,729,949 km (0.037 R)
• M31: 61,891,332 km (0.113 R)
• M32: 64,494,634 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.5

Radius: 6.6

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 15.05 AU - 23.83 AU

Year: 31151 Days

Day: 18.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,027,202 km

• M1: 83,027 km (0.054 R)
• M2: 306,825 km (0.112 R)
• M3: 994,527 km (0.112 R)
• M4: 2,276,132 km (0.059 R)
• M5: 2,974,006 km (0.087 R)
• M6: 8,830,164 km (0.044 R)
• M7: 10,725,868 km (0.108 R)
• M8: 17,728,245 km (0.032 R)
• M9: 23,557,775 km (0.099 R)
• M10: 23,786,660 km (0.1 R)
• M11: 30,411,901 km (0.109 R)
• M12: 34,216,474 km (0.072 R)
• M13: 35,103,140 km (0.043 R)
• M14: 38,962,466 km (0.081 R)
• M15: 49,734,111 km (0.109 R)
• M16: 50,680,467 km (0.113 R)
• M17: 54,586,019 km (0.051 R)
• M18: 55,188,599 km (0.047 R)
• M19: 65,217,790 km (0.073 R)
• M20: 66,123,456 km (0.088 R)
• M21: 67,267,281 km (0.115 R)
• M22: 73,185,223 km (0.085 R)
• M23: 73,428,918 km (0.069 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 12,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit