🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.66 AU - 0.66 AU

Year: 191 Days

Day: 35.9 Hours

Environment

Temp: 231 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,003,756 km

• M1: 131,945 km (0.103 R)
• M2: 487,988 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.82 AU - 0.94 AU

Year: 294 Days

Day: 39.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.7 AU - 2.32 AU

Year: 1016 Days

Day: 44.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.67 AU - 2.37 AU

Year: 1023 Days

Day: 18.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,003,756 km

• M1: 554,111 km (0.045 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.37 AU - 3.29 AU

Year: 1697 Days

Day: 39.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.7

Radius: 10.3

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.43 AU - 10.07 AU

Year: 8446 Days

Day: 12.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,003,756 km

• M1: 132,693 km (0.086 R)
• M2: 559,346 km (0.084 R)
• M3: 884,123 km (0.084 R)
• M4: 2,188,467 km (0.108 R)
• M5: 3,336,631 km (0.086 R)
• M6: 4,461,756 km (0.107 R)
• M7: 5,484,408 km (0.092 R)
• M8: 8,030,862 km (0.038 R)
• M9: 8,694,030 km (0.078 R)
• M10: 9,345,529 km (0.055 R)
• M11: 10,079,306 km (0.097 R)
• M12: 10,798,423 km (0.12 R)
• M13: 14,528,347 km (0.034 R)
• M14: 21,695,431 km (0.108 R)
• M15: 23,243,620 km (0.056 R)
• M16: 24,044,716 km (0.059 R)
• M17: 27,829,393 km (0.118 R)
• M18: 28,429,430 km (0.068 R)
• M19: 33,544,331 km (0.094 R)
• M20: 34,110,110 km (0.058 R)
• M21: 38,372,901 km (0.119 R)
• M22: 40,376,615 km (0.096 R)
• M23: 40,759,885 km (0.102 R)
• M24: 43,110,965 km (0.067 R)
• M25: 45,827,812 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.8

Radius: 5.4

Gravity: 20.57 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 16.34 AU - 19.14 AU

Year: 26633 Days

Day: 20.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,003,756 km

• M1: 67,169 km (0.111 R)
• M2: 589,266 km (0.081 R)
• M3: 1,056,759 km (0.073 R)
• M4: 2,420,643 km (0.101 R)
• M5: 4,419,121 km (0.116 R)
• M6: 11,677,460 km (0.106 R)
• M7: 16,630,795 km (0.117 R)
• M8: 18,149,214 km (0.109 R)
• M9: 19,370,979 km (0.087 R)
• M10: 23,364,046 km (0.117 R)
• M11: 24,023,324 km (0.12 R)
• M12: 32,384,199 km (0.104 R)
• M13: 34,741,114 km (0.113 R)
• M14: 36,472,110 km (0.07 R)
• M15: 43,146,569 km (0.068 R)
• M16: 43,475,535 km (0.052 R)
• M17: 49,504,329 km (0.073 R)
• M18: 53,755,452 km (0.093 R)
• M19: 65,325,650 km (0.05 R)
• M20: 66,413,376 km (0.039 R)
• M21: 68,178,482 km (0.061 R)
• M22: 87,057,284 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.3

Radius: 3.5

Gravity: 31.04 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 15.75 AU - 21.75 AU

Year: 28940 Days

Day: 19.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,003,756 km

• M1: 43,533 km (0.111 R)
• M2: 609,462 km (0.106 R)
• M3: 773,571 km (0.094 R)
• M4: 1,176,737 km (0.066 R)
• M5: 1,565,542 km (0.117 R)
• M6: 3,355,630 km (0.09 R)
• M7: 10,775,535 km (0.091 R)
• M8: 12,015,252 km (0.091 R)
• M9: 12,916,280 km (0.085 R)
• M10: 13,861,290 km (0.071 R)
• M11: 15,725,579 km (0.069 R)
• M12: 17,662,721 km (0.08 R)
• M13: 21,800,599 km (0.075 R)
• M14: 24,417,065 km (0.082 R)
• M15: 27,118,803 km (0.106 R)
• M16: 28,904,702 km (0.062 R)
• M17: 30,514,674 km (0.081 R)
• M18: 34,047,279 km (0.063 R)
• M19: 44,779,430 km (0.118 R)
• M20: 55,656,392 km (0.074 R)
• M21: 77,864,196 km (0.07 R)
• M22: 79,286,273 km (0.086 R)

Kuiper Belt

Range: 30.8 - 45.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 20,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit