🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.6 AU - 0.72 AU

Year: 202 Days

Day: 36.5 Hours

Environment

Temp: 120 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,804,429 km

• M1: 68,366 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.27 AU - 1.71 AU

Year: 685 Days

Day: 34.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.09 AU - 2.41 AU

Year: 1271 Days

Day: 30.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 96,804,429 km

• M1: 255,214 km (0.091 R)
• M2: 1,300,005 km (0.029 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2 AU - 2.5 AU

Year: 1271 Days

Day: 24.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.68 AU - 3.7 AU

Year: 2670 Days

Day: 18.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.19 AU - 5.31 AU

Year: 3301 Days

Day: 39.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.7

Radius: 11.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.59 AU - 5.53 AU

Year: 3668 Days

Day: 10.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 174.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,804,429 km

• M1: 146,756 km (0.11 R)
• M2: 553,512 km (0.058 R)
• M3: 921,822 km (0.107 R)
• M4: 1,657,694 km (0.119 R)
• M5: 2,303,658 km (0.1 R)
• M6: 3,900,016 km (0.065 R)
• M7: 4,353,597 km (0.094 R)
• M8: 5,232,784 km (0.102 R)
• M9: 6,563,607 km (0.112 R)
• M10: 8,812,811 km (0.081 R)
• M11: 10,301,160 km (0.087 R)
• M12: 11,810,901 km (0.107 R)
• M13: 15,045,058 km (0.114 R)
• M14: 16,805,974 km (0.097 R)
• M15: 18,764,061 km (0.087 R)
• M16: 19,601,360 km (0.089 R)
• M17: 20,598,280 km (0.082 R)
• M18: 22,405,871 km (0.113 R)
• M19: 26,334,611 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.8

Radius: 3.8

Gravity: 39.39 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 17.27 AU - 20.97 AU

Year: 31496 Days

Day: 15.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,804,429 km

• M1: 47,273 km (0.084 R)
• M2: 296,054 km (0.07 R)
• M3: 679,922 km (0.118 R)
• M4: 1,505,254 km (0.106 R)
• M5: 2,240,228 km (0.083 R)
• M6: 2,456,247 km (0.044 R)
• M7: 2,582,059 km (0.091 R)
• M8: 3,368,794 km (0.083 R)
• M9: 3,717,507 km (0.038 R)
• M10: 4,412,688 km (0.119 R)
• M11: 6,427,323 km (0.081 R)
• M12: 6,667,128 km (0.117 R)
• M13: 8,631,199 km (0.077 R)
• M14: 21,367,662 km (0.039 R)
• M15: 26,865,234 km (0.105 R)
• M16: 30,739,969 km (0.089 R)
• M17: 31,146,875 km (0.11 R)
• M18: 32,669,333 km (0.077 R)
• M19: 42,689,248 km (0.09 R)
• M20: 73,684,132 km (0.119 R)
• M21: 80,156,035 km (0.102 R)
• M22: 82,481,534 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 12,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit