🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.62 AU - 0.62 AU

Year: 176 Days

Day: 24.8 Hours

Environment

Temp: 161 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.1 AU - 1.4 AU

Year: 503 Days

Day: 43.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 18.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.08 AU - 1.54 AU

Year: 540 Days

Day: 33.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 63,020,785 km

• M1: 43,084 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.17 AU - 1.49 AU

Year: 552 Days

Day: 45.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.01 AU - 1.67 AU

Year: 558 Days

Day: 43.3 Hours

Environment

Temp: 9 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.92 AU - 5.56 AU

Year: 3714 Days

Day: 36.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 13.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.48 AU - 7.04 AU

Year: 4975 Days

Day: 14.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,020,785 km

• M1: 162,912 km (0.119 R)
• M2: 997,369 km (0.08 R)
• M3: 1,421,479 km (0.098 R)
• M4: 2,148,973 km (0.114 R)
• M5: 2,599,712 km (0.117 R)
• M6: 3,311,199 km (0.064 R)
• M7: 3,917,819 km (0.042 R)
• M8: 4,661,470 km (0.065 R)
• M9: 5,402,278 km (0.102 R)
• M10: 6,040,164 km (0.118 R)
• M11: 7,176,659 km (0.104 R)
• M12: 7,585,659 km (0.077 R)
• M13: 8,010,218 km (0.096 R)
• M14: 8,709,738 km (0.03 R)
• M15: 9,870,617 km (0.106 R)
• M16: 11,326,354 km (0.068 R)
• M17: 16,652,337 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.4

Radius: 7.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 11.34 AU - 14.22 AU

Year: 16443 Days

Day: 17.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,020,785 km

• M1: 104,719 km (0.103 R)
• M2: 583,581 km (0.108 R)
• M3: 1,262,008 km (0.074 R)
• M4: 1,768,696 km (0.114 R)
• M5: 2,034,232 km (0.08 R)
• M6: 2,463,279 km (0.085 R)
• M7: 3,451,522 km (0.103 R)
• M8: 3,788,716 km (0.115 R)
• M9: 5,161,875 km (0.103 R)
• M10: 6,219,382 km (0.083 R)
• M11: 6,959,891 km (0.118 R)
• M12: 7,247,119 km (0.041 R)
• M13: 8,756,113 km (0.106 R)
• M14: 9,237,220 km (0.081 R)
• M15: 9,584,436 km (0.105 R)
• M16: 11,395,917 km (0.079 R)
• M17: 12,442,055 km (0.104 R)
• M18: 12,743,794 km (0.047 R)
• M19: 13,424,614 km (0.103 R)
• M20: 14,325,791 km (0.089 R)
• M21: 15,752,506 km (0.067 R)
• M22: 19,445,180 km (0.119 R)
• M23: 25,957,923 km (0.101 R)
• M24: 32,406,040 km (0.037 R)
• M25: 33,789,073 km (0.104 R)
• M26: 38,427,654 km (0.097 R)
• M27: 45,154,322 km (0.109 R)
• M28: 49,243,879 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.8

Radius: 6.7

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 13.92 AU - 15.6 AU

Year: 20408 Days

Day: 19.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,020,785 km

• M1: 83,625 km (0.102 R)
• M2: 586,872 km (0.098 R)
• M3: 921,224 km (0.071 R)
• M4: 1,421,030 km (0.113 R)
• M5: 2,345,096 km (0.06 R)
• M6: 3,019,783 km (0.068 R)
• M7: 3,675,021 km (0.074 R)
• M8: 7,308,006 km (0.095 R)
• M9: 9,035,263 km (0.118 R)
• M10: 9,829,478 km (0.074 R)
• M11: 10,384,187 km (0.056 R)
• M12: 11,076,974 km (0.108 R)
• M13: 13,542,347 km (0.094 R)
• M14: 16,122,312 km (0.097 R)
• M15: 18,928,020 km (0.119 R)
• M16: 20,224,136 km (0.117 R)
• M17: 21,578,446 km (0.081 R)
• M18: 22,324,939 km (0.05 R)
• M19: 22,800,211 km (0.117 R)
• M20: 32,915,272 km (0.103 R)
• M21: 55,073,259 km (0.092 R)
• M22: 58,238,152 km (0.1 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 16,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit