🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.6 AU - 0.62 AU

Year: 179 Days

Day: 41.3 Hours

Environment

Temp: 144 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,772,794 km

• M1: 284,984 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.55 AU - 0.81 AU

Year: 211 Days

Day: 34.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,772,794 km

• M1: 21,093 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.71 AU - 1.09 AU

Year: 322 Days

Day: 31.2 Hours

Environment

Temp: 34 °C

Axial Tilt: 19.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,772,794 km

• M1: 354,547 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.05 AU - 1.11 AU

Year: 423 Days

Day: 39.2 Hours

Environment

Temp: -3 °C

Axial Tilt: 48.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.16 AU - 1.8 AU

Year: 678 Days

Day: 39.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,772,794 km

• M1: 168,597 km (0.111 R)
• M2: 235,916 km (0.095 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.68 AU - 3.76 AU

Year: 2177 Days

Day: 40.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 14

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.14 AU - 6.06 AU

Year: 4339 Days

Day: 14.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,772,794 km

• M1: 180,714 km (0.107 R)
• M2: 656,435 km (0.096 R)
• M3: 1,502,711 km (0.104 R)
• M4: 2,223,174 km (0.1 R)
• M5: 3,210,969 km (0.076 R)
• M6: 3,721,546 km (0.034 R)
• M7: 6,553,883 km (0.098 R)
• M8: 9,790,133 km (0.057 R)
• M9: 10,321,804 km (0.072 R)
• M10: 12,146,450 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 11.1

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.92 AU - 6.9 AU

Year: 5413 Days

Day: 11.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,772,794 km

• M1: 138,079 km (0.105 R)
• M2: 949,946 km (0.115 R)
• M3: 1,381,836 km (0.112 R)
• M4: 2,092,874 km (0.08 R)
• M5: 2,532,393 km (0.115 R)
• M6: 3,033,396 km (0.114 R)
• M7: 4,361,227 km (0.078 R)
• M8: 6,268,450 km (0.097 R)
• M9: 6,804,160 km (0.071 R)
• M10: 9,216,276 km (0.095 R)
• M11: 10,043,702 km (0.115 R)
• M12: 11,110,783 km (0.089 R)
• M13: 11,647,241 km (0.103 R)
• M14: 15,594,980 km (0.087 R)
• M15: 16,896,182 km (0.055 R)
• M16: 20,645,703 km (0.099 R)
• M17: 22,674,998 km (0.116 R)
• M18: 23,618,213 km (0.093 R)
• M19: 24,261,483 km (0.073 R)
• M20: 25,331,707 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.8

Radius: 5.7

Gravity: 19.91 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 10.93 AU - 16.99 AU

Year: 19650 Days

Day: 23.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,772,794 km

• M1: 71,059 km (0.097 R)
• M2: 319,691 km (0.077 R)
• M3: 500,704 km (0.086 R)
• M4: 773,122 km (0.11 R)
• M5: 1,102,536 km (0.092 R)
• M6: 1,381,237 km (0.117 R)
• M7: 2,021,366 km (0.12 R)
• M8: 2,203,427 km (0.074 R)
• M9: 3,258,092 km (0.07 R)
• M10: 4,147,003 km (0.089 R)
• M11: 5,492,336 km (0.104 R)
• M12: 6,478,336 km (0.083 R)
• M13: 9,338,946 km (0.098 R)
• M14: 11,611,936 km (0.077 R)
• M15: 11,936,115 km (0.056 R)
• M16: 12,467,337 km (0.113 R)
• M17: 12,944,853 km (0.025 R)
• M18: 13,434,637 km (0.068 R)
• M19: 14,978,038 km (0.026 R)
• M20: 15,207,671 km (0.041 R)
• M21: 15,517,638 km (0.107 R)
• M22: 18,675,948 km (0.097 R)
• M23: 19,755,895 km (0.116 R)
• M24: 20,592,745 km (0.095 R)
• M25: 21,163,760 km (0.058 R)
• M26: 30,423,569 km (0.102 R)
• M27: 32,296,684 km (0.057 R)
• M28: 37,103,114 km (0.111 R)
• M29: 46,786,136 km (0.107 R)
• M30: 48,436,649 km (0.117 R)
• M31: 48,939,298 km (0.055 R)
• M32: 49,276,342 km (0.104 R)
• M33: 50,812,114 km (0.057 R)
• M34: 56,161,584 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 15,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit