🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.49 AU - 0.55 AU

Year: 131 Days

Day: 24.8 Hours

Environment

Temp: 197 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.94 AU - 1.28 AU

Year: 407 Days

Day: 32.8 Hours

Environment

Temp: 64 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.52 AU - 2.08 AU

Year: 841 Days

Day: 33.1 Hours

Environment

Temp: -32 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.8 AU - 2.82 AU

Year: 1640 Days

Day: 43.2 Hours

Environment

Temp: -89 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,584,164 km

• M1: 1,838,408 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.39 AU - 3.93 AU

Year: 1956 Days

Day: 47.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 11

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 10.96 AU - 12.74 AU

Year: 14206 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,584,164 km

• M1: 137,181 km (0.073 R)
• M2: 816,505 km (0.065 R)
• M3: 2,111,574 km (0.057 R)
• M4: 2,532,243 km (0.116 R)
• M5: 4,169,592 km (0.094 R)
• M6: 4,837,397 km (0.118 R)
• M7: 5,510,737 km (0.072 R)
• M8: 6,746,565 km (0.104 R)
• M9: 7,951,576 km (0.1 R)
• M10: 9,158,531 km (0.039 R)
• M11: 10,238,029 km (0.081 R)
• M12: 10,682,934 km (0.102 R)
• M13: 13,986,503 km (0.093 R)
• M14: 15,480,238 km (0.066 R)
• M15: 16,736,262 km (0.114 R)
• M16: 17,704,310 km (0.066 R)
• M17: 20,520,041 km (0.047 R)
• M18: 21,468,042 km (0.054 R)
• M19: 22,860,499 km (0.115 R)
• M20: 24,225,281 km (0.087 R)
• M21: 29,430,688 km (0.08 R)
• M22: 32,188,076 km (0.119 R)
• M23: 33,792,065 km (0.076 R)
• M24: 34,338,396 km (0.12 R)
• M25: 35,336,663 km (0.104 R)
• M26: 36,012,845 km (0.083 R)
• M27: 36,582,962 km (0.096 R)
• M28: 36,927,786 km (0.118 R)
• M29: 41,362,315 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 10.3

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 10.02 AU - 14.6 AU

Year: 15041 Days

Day: 8.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,584,164 km

• M1: 128,205 km (0.068 R)
• M2: 765,044 km (0.115 R)
• M3: 1,113,158 km (0.095 R)
• M4: 1,584,989 km (0.063 R)
• M5: 3,590,947 km (0.054 R)
• M6: 4,566,475 km (0.096 R)
• M7: 5,010,033 km (0.116 R)
• M8: 6,515,735 km (0.087 R)
• M9: 8,008,872 km (0.114 R)
• M10: 12,229,327 km (0.08 R)
• M11: 13,222,657 km (0.062 R)
• M12: 19,801,522 km (0.109 R)
• M13: 23,188,867 km (0.112 R)
• M14: 23,687,925 km (0.051 R)
• M15: 30,368,517 km (0.077 R)
• M16: 35,634,961 km (0.103 R)
• M17: 36,837,728 km (0.108 R)
• M18: 37,380,918 km (0.03 R)
• M19: 40,752,704 km (0.099 R)
• M20: 47,291,776 km (0.076 R)
• M21: 51,906,123 km (0.101 R)
• M22: 53,798,237 km (0.104 R)
• M23: 54,673,235 km (0.091 R)
• M24: 59,006,038 km (0.089 R)
• M25: 59,563,140 km (0.096 R)
• M26: 62,018,340 km (0.114 R)
• M27: 65,329,689 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.7

Radius: 7.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 14.39 AU - 16.75 AU

Year: 21396 Days

Day: 19.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,584,164 km

• M1: 98,136 km (0.095 R)
• M2: 1,373,757 km (0.04 R)
• M3: 2,732,256 km (0.111 R)
• M4: 3,394,226 km (0.068 R)
• M5: 4,023,734 km (0.07 R)
• M6: 4,408,948 km (0.071 R)
• M7: 5,032,622 km (0.116 R)
• M8: 6,165,377 km (0.083 R)
• M9: 6,491,800 km (0.116 R)
• M10: 8,256,606 km (0.084 R)
• M11: 14,974,298 km (0.047 R)
• M12: 17,287,380 km (0.096 R)
• M13: 17,937,383 km (0.116 R)
• M14: 18,904,982 km (0.095 R)
• M15: 23,038,222 km (0.114 R)
• M16: 30,360,888 km (0.079 R)
• M17: 31,626,187 km (0.04 R)
• M18: 32,055,682 km (0.118 R)
• M19: 37,397,373 km (0.108 R)
• M20: 37,757,306 km (0.103 R)
• M21: 45,311,849 km (0.104 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit