🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.64 AU - 0.9 AU

Year: 256 Days

Day: 19.3 Hours

Environment

Temp: 118 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.94 AU - 2.52 AU

Year: 1261 Days

Day: 19.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.9

Radius: 13.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.49 AU - 5.03 AU

Year: 3933 Days

Day: 11.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,495,720 km

• M1: 172,935 km (0.065 R)
• M2: 772,075 km (0.12 R)
• M3: 1,330,673 km (0.108 R)
• M4: 2,061,309 km (0.118 R)
• M5: 2,818,424 km (0.069 R)
• M6: 3,467,828 km (0.118 R)
• M7: 4,192,929 km (0.091 R)
• M8: 4,714,726 km (0.044 R)
• M9: 5,147,364 km (0.097 R)
• M10: 6,608,486 km (0.078 R)
• M11: 8,966,597 km (0.099 R)
• M12: 10,251,643 km (0.112 R)
• M13: 11,383,500 km (0.109 R)
• M14: 12,167,393 km (0.118 R)
• M15: 13,435,834 km (0.079 R)
• M16: 15,007,060 km (0.095 R)
• M17: 16,063,520 km (0.101 R)
• M18: 20,521,537 km (0.064 R)
• M19: 22,601,097 km (0.068 R)
• M20: 24,138,065 km (0.06 R)
• M21: 26,772,783 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.5

Radius: 10.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.91 AU - 7.33 AU

Year: 6451 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,495,720 km

• M1: 1,302,249 km (0.116 R)
• M2: 3,144,098 km (0.064 R)
• M3: 3,531,557 km (0.104 R)
• M4: 5,947,263 km (0.077 R)
• M5: 6,357,610 km (0.113 R)
• M6: 6,980,835 km (0.042 R)
• M7: 7,555,291 km (0.096 R)
• M8: 8,864,721 km (0.045 R)
• M9: 10,502,818 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 13

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.82 AU - 8.84 AU

Year: 8298 Days

Day: 7.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,495,720 km

• M1: 162,014 km (0.086 R)
• M2: 694,882 km (0.094 R)
• M3: 1,472,641 km (0.1 R)
• M4: 2,446,075 km (0.093 R)
• M5: 2,901,600 km (0.109 R)
• M6: 4,598,489 km (0.046 R)
• M7: 5,164,268 km (0.109 R)
• M8: 5,576,410 km (0.113 R)
• M9: 6,436,149 km (0.095 R)
• M10: 8,051,208 km (0.052 R)
• M11: 8,914,537 km (0.047 R)
• M12: 9,755,876 km (0.092 R)
• M13: 10,217,235 km (0.118 R)
• M14: 12,797,051 km (0.091 R)
• M15: 17,257,012 km (0.063 R)
• M16: 18,627,328 km (0.099 R)
• M17: 19,208,367 km (0.103 R)
• M18: 20,955,221 km (0.115 R)
• M19: 23,173,608 km (0.086 R)
• M20: 23,620,457 km (0.077 R)
• M21: 24,072,990 km (0.089 R)
• M22: 25,861,732 km (0.112 R)
• M23: 26,585,337 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 18,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit