🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.43 AU - 0.63 AU

Year: 148 Days

Day: 14.8 Hours

Environment

Temp: 136 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.79 AU - 0.97 AU

Year: 316 Days

Day: 45.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 105,052,179 km

• M1: 38,895 km (0.115 R)
• M2: 434,582 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.69 AU - 1.15 AU

Year: 338 Days

Day: 22.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.92 AU - 1.06 AU

Year: 377 Days

Day: 25.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 105,052,179 km

• M1: 69,413 km (0.104 R)
• M2: 170,691 km (0.051 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.22 AU - 2.34 AU

Year: 1318 Days

Day: 45 Hours

Environment

Temp: -89 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 105,052,179 km

• M1: 30,817 km (0.054 R)
• M2: 150,495 km (0.09 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.92 AU - 2.72 AU

Year: 1353 Days

Day: 16.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 11.8

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.74 AU - 5.18 AU

Year: 3606 Days

Day: 8.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,052,179 km

• M1: 146,756 km (0.111 R)
• M2: 669,450 km (0.091 R)
• M3: 1,172,099 km (0.099 R)
• M4: 1,638,545 km (0.049 R)
• M5: 3,773,606 km (0.083 R)
• M6: 6,323,053 km (0.081 R)
• M7: 7,438,754 km (0.034 R)
• M8: 10,993,948 km (0.11 R)
• M9: 11,619,566 km (0.111 R)
• M10: 13,337,847 km (0.117 R)
• M11: 14,153,455 km (0.097 R)
• M12: 15,384,047 km (0.082 R)
• M13: 17,212,881 km (0.081 R)
• M14: 18,865,339 km (0.119 R)
• M15: 20,487,428 km (0.04 R)
• M16: 20,890,295 km (0.088 R)
• M17: 21,504,395 km (0.111 R)
• M18: 24,230,816 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.3

Radius: 14.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.63 AU - 6.77 AU

Year: 5211 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 105,052,179 km

• M1: 185,352 km (0.061 R)
• M2: 999,613 km (0.113 R)
• M3: 1,970,204 km (0.08 R)
• M4: 3,148,886 km (0.082 R)
• M5: 4,605,520 km (0.069 R)
• M6: 5,207,502 km (0.119 R)
• M7: 5,861,693 km (0.086 R)
• M8: 6,732,054 km (0.047 R)
• M9: 7,267,165 km (0.108 R)
• M10: 9,573,815 km (0.074 R)
• M11: 10,603,347 km (0.049 R)
• M12: 12,333,896 km (0.119 R)
• M13: 14,795,229 km (0.09 R)
• M14: 16,890,497 km (0.102 R)
• M15: 17,568,475 km (0.057 R)
• M16: 18,782,461 km (0.118 R)
• M17: 19,510,255 km (0.064 R)
• M18: 22,243,857 km (0.06 R)
• M19: 22,984,067 km (0.085 R)
• M20: 25,624,021 km (0.083 R)
• M21: 26,191,745 km (0.063 R)
• M22: 27,268,401 km (0.062 R)
• M23: 28,374,228 km (0.104 R)
• M24: 29,421,413 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.4

Radius: 6.8

Gravity: 16.86 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 17.76 AU - 19.2 AU

Year: 30417 Days

Day: 18.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 105,052,179 km

• M1: 125,363 km (0.073 R)
• M2: 385,065 km (0.081 R)
• M3: 686,654 km (0.062 R)
• M4: 1,029,233 km (0.106 R)
• M5: 1,647,222 km (0.118 R)
• M6: 4,860,584 km (0.112 R)
• M7: 5,147,064 km (0.072 R)
• M8: 9,148,658 km (0.103 R)
• M9: 10,368,479 km (0.114 R)
• M10: 12,208,533 km (0.062 R)
• M11: 14,008,644 km (0.103 R)
• M12: 18,419,986 km (0.112 R)
• M13: 23,099,407 km (0.109 R)
• M14: 25,958,223 km (0.091 R)
• M15: 28,911,284 km (0.085 R)
• M16: 29,446,695 km (0.118 R)
• M17: 41,086,756 km (0.108 R)
• M18: 47,078,300 km (0.109 R)
• M19: 55,456,529 km (0.119 R)
• M20: 65,922,546 km (0.078 R)
• M21: 66,385,102 km (0.051 R)
• M22: 79,970,085 km (0.08 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 14,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit