🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.43 AU - 0.57 AU

Year: 129 Days

Day: 45 Hours

Environment

Temp: 208 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.13 AU - 1.77 AU

Year: 638 Days

Day: 42.7 Hours

Environment

Temp: -26 °C

Axial Tilt: 120.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.65 AU - 1.87 AU

Year: 853 Days

Day: 44.9 Hours

Environment

Temp: -47 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.76 AU - 2.02 AU

Year: 949 Days

Day: 18 Hours

Environment

Temp: -56 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.83 AU - 2.09 AU

Year: 1002 Days

Day: 45.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,900,363 km

• M1: 95,294 km (0.081 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.09 AU - 2.71 AU

Year: 1358 Days

Day: 22.4 Hours

Environment

Temp: -82 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.69 AU - 3.59 AU

Year: 2032 Days

Day: 15.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,900,363 km

• M1: 896,390 km (0.059 R)

Asteroid Belt

Center: 8.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.1

Radius: 3.2

Gravity: 58.31 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 11.46 AU - 18.2 AU

Year: 20859 Days

Day: 19.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,900,363 km

• M1: 40,691 km (0.082 R)
• M2: 253,718 km (0.11 R)
• M3: 637,437 km (0.041 R)
• M4: 846,275 km (0.112 R)
• M5: 972,685 km (0.094 R)
• M6: 1,293,274 km (0.11 R)
• M7: 2,118,156 km (0.097 R)
• M8: 2,287,202 km (0.071 R)
• M9: 3,732,916 km (0.088 R)
• M10: 3,854,988 km (0.069 R)
• M11: 5,379,689 km (0.083 R)
• M12: 6,189,462 km (0.053 R)
• M13: 6,317,668 km (0.107 R)
• M14: 6,491,201 km (0.076 R)
• M15: 7,077,326 km (0.116 R)
• M16: 9,892,159 km (0.119 R)
• M17: 10,666,478 km (0.114 R)
• M18: 11,804,170 km (0.101 R)
• M19: 12,812,010 km (0.119 R)
• M20: 14,095,560 km (0.075 R)
• M21: 16,666,549 km (0.09 R)
• M22: 19,350,933 km (0.12 R)
• M23: 22,409,911 km (0.104 R)
• M24: 22,712,098 km (0.044 R)
• M25: 26,667,167 km (0.12 R)
• M26: 26,779,964 km (0.03 R)
• M27: 29,826,524 km (0.047 R)
• M28: 30,314,812 km (0.104 R)
• M29: 30,932,651 km (0.051 R)
• M30: 37,156,072 km (0.038 R)
• M31: 39,744,713 km (0.06 R)
• M32: 41,687,242 km (0.117 R)
• M33: 42,144,413 km (0.068 R)
• M34: 46,409,747 km (0.105 R)
• M35: 53,601,964 km (0.094 R)
• M36: 53,961,897 km (0.084 R)
• M37: 58,787,924 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.7

Radius: 7.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 12.81 AU - 20.69 AU

Year: 25039 Days

Day: 17.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,900,363 km

• M1: 93,349 km (0.119 R)
• M2: 334,501 km (0.109 R)
• M3: 818,450 km (0.1 R)
• M4: 1,606,980 km (0.12 R)
• M5: 1,871,769 km (0.114 R)
• M6: 2,825,305 km (0.101 R)
• M7: 3,072,890 km (0.083 R)
• M8: 3,458,852 km (0.107 R)
• M9: 4,269,972 km (0.103 R)
• M10: 4,627,810 km (0.065 R)
• M11: 5,540,956 km (0.059 R)
• M12: 6,040,313 km (0.111 R)
• M13: 6,845,000 km (0.094 R)
• M14: 9,387,715 km (0.086 R)
• M15: 10,951,312 km (0.109 R)
• M16: 13,674,143 km (0.111 R)
• M17: 14,718,486 km (0.071 R)
• M18: 16,745,088 km (0.114 R)
• M19: 19,109,632 km (0.076 R)
• M20: 24,395,822 km (0.066 R)
• M21: 31,462,227 km (0.069 R)
• M22: 36,125,492 km (0.113 R)
• M23: 38,621,084 km (0.065 R)
• M24: 39,262,410 km (0.089 R)
• M25: 44,091,878 km (0.096 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: 171 - 13,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit