🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.51 AU - 0.63 AU

Year: 151 Days

Day: 15.5 Hours

Environment

Temp: 200 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.7 AU - 1.82 AU

Year: 821 Days

Day: 22.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.16 AU - 3.98 AU

Year: 2371 Days

Day: 39.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,771,478 km

• M1: 2,035,429 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.74 AU - 5.9 AU

Year: 3719 Days

Day: 33.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.11 AU - 5.97 AU

Year: 3977 Days

Day: 29.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 13.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.78 AU - 7.52 AU

Year: 5360 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,771,478 km

• M1: 177,722 km (0.09 R)
• M2: 462,108 km (0.112 R)
• M3: 739,013 km (0.058 R)
• M4: 1,094,159 km (0.064 R)
• M5: 1,649,915 km (0.111 R)
• M6: 2,186,223 km (0.106 R)
• M7: 2,532,991 km (0.07 R)
• M8: 2,987,469 km (0.119 R)
• M9: 3,737,703 km (0.114 R)
• M10: 4,418,672 km (0.112 R)
• M11: 5,487,699 km (0.108 R)
• M12: 6,694,056 km (0.078 R)
• M13: 10,270,941 km (0.064 R)
• M14: 11,166,583 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.2

Radius: 4.7

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 11.39 AU - 17.47 AU

Year: 19265 Days

Day: 16.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,771,478 km

• M1: 199,414 km (0.082 R)
• M2: 298,897 km (0.057 R)
• M3: 1,144,424 km (0.077 R)
• M4: 1,877,154 km (0.079 R)
• M5: 4,661,619 km (0.076 R)
• M6: 5,628,171 km (0.119 R)
• M7: 6,298,220 km (0.09 R)
• M8: 7,923,451 km (0.114 R)
• M9: 8,359,080 km (0.1 R)
• M10: 9,594,011 km (0.101 R)
• M11: 9,736,428 km (0.067 R)
• M12: 10,914,511 km (0.118 R)
• M13: 12,374,287 km (0.09 R)
• M14: 12,699,064 km (0.078 R)
• M15: 20,984,243 km (0.111 R)
• M16: 24,107,248 km (0.103 R)
• M17: 26,730,297 km (0.097 R)
• M18: 31,863,000 km (0.102 R)
• M19: 35,322,900 km (0.111 R)
• M20: 39,826,544 km (0.03 R)
• M21: 42,478,615 km (0.089 R)
• M22: 46,669,599 km (0.113 R)
• M23: 46,774,317 km (0.108 R)
• M24: 49,537,390 km (0.095 R)
• M25: 52,824,055 km (0.116 R)
• M26: 56,446,418 km (0.044 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 14,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit