🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.55 AU - 0.57 AU

Year: 266 Days

Day: 19.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 142.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,349,971 km

• M1: 582,534 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 14.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.01 AU - 1.03 AU

Year: 655 Days

Day: 14.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,349,971 km

• M1: 180,415 km (0.103 R)
• M2: 1,180,477 km (0.071 R)
• M3: 2,024,508 km (0.03 R)
• M4: 2,724,327 km (0.12 R)
• M5: 3,221,141 km (0.048 R)
• M6: 3,725,585 km (0.116 R)
• M7: 4,282,987 km (0.064 R)
• M8: 5,708,505 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97

Radius: 13.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.14 AU - 3.94 AU

Year: 4235 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,349,971 km

• M1: 167,250 km (0.108 R)
• M2: 1,227,899 km (0.104 R)
• M3: 1,981,125 km (0.097 R)
• M4: 3,026,066 km (0.099 R)
• M5: 3,614,883 km (0.106 R)
• M6: 4,097,037 km (0.057 R)
• M7: 7,030,950 km (0.101 R)
• M8: 8,448,091 km (0.096 R)
• M9: 10,316,120 km (0.099 R)
• M10: 11,841,569 km (0.12 R)
• M11: 12,716,866 km (0.071 R)
• M12: 13,512,577 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.8

Radius: 3.2

Gravity: 20 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.12 AU - 7.16 AU

Year: 9674 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 71.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,349,971 km

• M1: 39,943 km (0.089 R)
• M2: 264,938 km (0.082 R)
• M3: 377,735 km (0.058 R)
• M4: 734,526 km (0.09 R)
• M5: 1,677,740 km (0.12 R)
• M6: 2,245,464 km (0.031 R)
• M7: 2,494,544 km (0.108 R)
• M8: 2,617,065 km (0.036 R)
• M9: 2,743,475 km (0.117 R)
• M10: 3,127,343 km (0.107 R)
• M11: 4,096,139 km (0.035 R)
• M12: 4,391,595 km (0.062 R)
• M13: 4,834,405 km (0.116 R)
• M14: 5,192,392 km (0.056 R)
• M15: 5,961,176 km (0.1 R)
• M16: 6,308,093 km (0.11 R)
• M17: 6,601,904 km (0.09 R)
• M18: 6,802,814 km (0.112 R)
• M19: 6,973,355 km (0.107 R)
• M20: 7,538,087 km (0.085 R)
• M21: 7,868,848 km (0.068 R)
• M22: 9,041,396 km (0.033 R)
• M23: 9,884,679 km (0.116 R)
• M24: 10,415,153 km (0.095 R)
• M25: 13,301,644 km (0.104 R)
• M26: 14,445,619 km (0.067 R)
• M27: 16,556,296 km (0.096 R)
• M28: 26,295,267 km (0.111 R)
• M29: 26,715,188 km (0.091 R)
• M30: 28,263,675 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 16,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit