🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.59 AU - 0.75 AU

Year: 193 Days

Day: 21.6 Hours

Environment

Temp: 186 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.95 AU - 1.11 AU

Year: 367 Days

Day: 15.9 Hours

Environment

Temp: 129 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.97 AU - 1.17 AU

Year: 389 Days

Day: 29.6 Hours

Environment

Temp: 107 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,720,432 km

• M1: 36,651 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.66 AU - 1.78 AU

Year: 793 Days

Day: 32.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,720,432 km

• M1: 78,688 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2 AU - 3.18 AU

Year: 1465 Days

Day: 42.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,720,432 km

• M1: 389,852 km (0.108 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.44 AU - 4.24 AU

Year: 2645 Days

Day: 16.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 10.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.86 AU - 6.38 AU

Year: 5321 Days

Day: 13.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,720,432 km

• M1: 134,339 km (0.073 R)
• M2: 518,805 km (0.098 R)
• M3: 983,008 km (0.081 R)
• M4: 1,591,721 km (0.106 R)
• M5: 2,071,332 km (0.109 R)
• M6: 3,007,815 km (0.064 R)
• M7: 4,436,923 km (0.111 R)
• M8: 5,368,619 km (0.099 R)
• M9: 7,182,792 km (0.118 R)
• M10: 8,104,016 km (0.037 R)
• M11: 9,256,817 km (0.111 R)
• M12: 11,032,544 km (0.113 R)
• M13: 12,163,803 km (0.113 R)
• M14: 12,878,731 km (0.088 R)
• M15: 13,520,805 km (0.095 R)
• M16: 14,708,911 km (0.093 R)
• M17: 16,134,280 km (0.109 R)
• M18: 18,878,503 km (0.106 R)
• M19: 22,906,576 km (0.09 R)
• M20: 24,218,698 km (0.055 R)
• M21: 24,893,235 km (0.088 R)
• M22: 25,349,808 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 10.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.8 AU - 9.66 AU

Year: 9066 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,720,432 km

• M1: 128,056 km (0.095 R)
• M2: 460,761 km (0.064 R)
• M3: 1,072,168 km (0.056 R)
• M4: 2,360,056 km (0.059 R)
• M5: 2,828,896 km (0.103 R)
• M6: 3,684,446 km (0.094 R)
• M7: 4,563,483 km (0.098 R)
• M8: 5,294,717 km (0.097 R)
• M9: 6,412,513 km (0.07 R)
• M10: 7,523,576 km (0.065 R)
• M11: 8,042,980 km (0.076 R)
• M12: 9,333,561 km (0.108 R)
• M13: 10,364,140 km (0.113 R)
• M14: 12,484,690 km (0.104 R)
• M15: 14,572,329 km (0.089 R)
• M16: 17,634,896 km (0.111 R)
• M17: 18,054,518 km (0.092 R)
• M18: 21,734,775 km (0.071 R)
• M19: 22,542,903 km (0.037 R)
• M20: 26,066,980 km (0.106 R)
• M21: 36,056,976 km (0.06 R)
• M22: 40,002,770 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 9.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 11.69 AU - 13.83 AU

Year: 16020 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,720,432 km

• M1: 114,442 km (0.039 R)
• M2: 1,091,765 km (0.103 R)
• M3: 2,931,071 km (0.069 R)
• M4: 4,003,239 km (0.086 R)
• M5: 4,916,085 km (0.103 R)
• M6: 7,843,267 km (0.111 R)
• M7: 11,476,700 km (0.104 R)
• M8: 13,239,112 km (0.116 R)
• M9: 15,883,853 km (0.11 R)
• M10: 16,614,938 km (0.115 R)
• M11: 18,701,080 km (0.048 R)
• M12: 22,374,306 km (0.106 R)
• M13: 26,401,032 km (0.049 R)
• M14: 26,807,938 km (0.08 R)
• M15: 28,265,620 km (0.117 R)
• M16: 35,854,421 km (0.119 R)
• M17: 38,397,285 km (0.039 R)
• M18: 41,741,845 km (0.114 R)
• M19: 44,697,450 km (0.08 R)
• M20: 47,189,900 km (0.105 R)
• M21: 48,851,334 km (0.058 R)
• M22: 51,336,903 km (0.117 R)
• M23: 54,232,519 km (0.112 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 20,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit