🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.8 AU - 0.94 AU

Year: 299 Days

Day: 39.9 Hours

Environment

Temp: 151 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,962,765 km

• M1: 21,542 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.74 AU - 1 AU

Year: 299 Days

Day: 37.4 Hours

Environment

Temp: 138 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.84 AU - 1.28 AU

Year: 403 Days

Day: 40.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.85 AU - 1.33 AU

Year: 420 Days

Day: 32.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 87,962,765 km

• M1: 326,123 km (0.1 R)
• M2: 562,039 km (0.048 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.19 AU - 4.29 AU

Year: 2669 Days

Day: 13.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,962,765 km

• M1: 32,164 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 9.1

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.36 AU - 10.4 AU

Year: 10599 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,962,765 km

• M1: 115,340 km (0.101 R)
• M2: 737,069 km (0.098 R)
• M3: 1,069,026 km (0.091 R)
• M4: 1,691,054 km (0.119 R)
• M5: 2,083,898 km (0.093 R)
• M6: 2,598,216 km (0.104 R)
• M7: 3,147,689 km (0.086 R)
• M8: 5,506,997 km (0.113 R)
• M9: 6,414,308 km (0.119 R)
• M10: 7,717,006 km (0.092 R)
• M11: 8,569,564 km (0.066 R)
• M12: 28,133,675 km (0.113 R)
• M13: 28,444,689 km (0.037 R)
• M14: 31,458,637 km (0.056 R)
• M15: 32,018,283 km (0.036 R)
• M16: 37,233,863 km (0.116 R)
• M17: 39,005,251 km (0.117 R)
• M18: 43,263,854 km (0.111 R)
• M19: 50,675,232 km (0.106 R)
• M20: 52,065,295 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.6

Radius: 7.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 12.1 AU - 14.12 AU

Year: 17514 Days

Day: 22.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,962,765 km

• M1: 92,003 km (0.093 R)
• M2: 419,323 km (0.115 R)
• M3: 1,738,626 km (0.04 R)
• M4: 2,346,592 km (0.111 R)
• M5: 3,628,796 km (0.1 R)
• M6: 6,989,512 km (0.115 R)
• M7: 9,366,023 km (0.08 R)
• M8: 12,411,836 km (0.081 R)
• M9: 12,651,791 km (0.07 R)
• M10: 15,089,040 km (0.091 R)
• M11: 18,671,759 km (0.025 R)
• M12: 23,234,644 km (0.084 R)
• M13: 25,193,329 km (0.087 R)
• M14: 26,262,056 km (0.051 R)
• M15: 27,972,707 km (0.094 R)
• M16: 32,175,061 km (0.077 R)
• M17: 38,662,223 km (0.109 R)
• M18: 39,303,549 km (0.081 R)
• M19: 39,691,756 km (0.115 R)
• M20: 40,475,948 km (0.092 R)
• M21: 49,493,259 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.7

Radius: 7

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 16.1 AU - 18.46 AU

Year: 26503 Days

Day: 23.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,962,765 km

• M1: 87,664 km (0.07 R)
• M2: 344,075 km (0.119 R)
• M3: 661,671 km (0.092 R)
• M4: 1,797,568 km (0.06 R)
• M5: 2,939,598 km (0.056 R)
• M6: 3,695,516 km (0.091 R)
• M7: 4,119,028 km (0.034 R)
• M8: 4,360,180 km (0.067 R)
• M9: 5,219,919 km (0.117 R)
• M10: 5,795,870 km (0.099 R)
• M11: 9,094,653 km (0.084 R)
• M12: 10,809,942 km (0.109 R)
• M13: 11,337,275 km (0.077 R)
• M14: 11,743,882 km (0.113 R)
• M15: 13,619,091 km (0.101 R)
• M16: 16,446,790 km (0.079 R)
• M17: 17,144,066 km (0.104 R)
• M18: 18,043,298 km (0.099 R)
• M19: 18,504,509 km (0.076 R)
• M20: 21,644,269 km (0.096 R)
• M21: 24,555,593 km (0.072 R)
• M22: 31,010,143 km (0.039 R)
• M23: 35,985,917 km (0.114 R)
• M24: 39,428,763 km (0.099 R)
• M25: 39,738,131 km (0.076 R)
• M26: 41,949,188 km (0.048 R)
• M27: 45,587,408 km (0.106 R)
• M28: 47,483,112 km (0.092 R)
• M29: 52,171,360 km (0.086 R)
• M30: 54,244,487 km (0.109 R)
• M31: 55,591,915 km (0.108 R)
• M32: 56,764,463 km (0.109 R)
• M33: 71,456,769 km (0.075 R)
• M34: 72,610,319 km (0.101 R)
• M35: 73,542,014 km (0.065 R)
• M36: 75,667,650 km (0.059 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 17,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit