🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.52 AU - 0.52 AU

Year: 246 Days

Day: 38.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 14.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.86 AU - 0.92 AU

Year: 551 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,711,131 km

• M1: 175,329 km (0.096 R)
• M2: 627,713 km (0.083 R)
• M3: 1,088,025 km (0.081 R)
• M4: 1,635,105 km (0.045 R)
• M5: 2,145,383 km (0.083 R)
• M6: 2,632,025 km (0.1 R)
• M7: 3,215,606 km (0.111 R)
• M8: 3,872,042 km (0.1 R)
• M9: 4,601,930 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.58 AU - 3.78 AU

Year: 3720 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,711,131 km

• M1: 169,794 km (0.055 R)
• M2: 643,570 km (0.054 R)
• M3: 1,477,129 km (0.115 R)
• M4: 1,993,392 km (0.064 R)
• M5: 2,477,790 km (0.102 R)
• M6: 3,040,876 km (0.063 R)
• M7: 3,808,762 km (0.072 R)
• M8: 4,228,533 km (0.074 R)
• M9: 4,989,538 km (0.083 R)
• M10: 6,576,622 km (0.076 R)
• M11: 7,342,413 km (0.065 R)
• M12: 9,537,463 km (0.119 R)
• M13: 13,104,175 km (0.063 R)
• M14: 13,629,114 km (0.084 R)
• M15: 15,029,200 km (0.07 R)
• M16: 17,534,666 km (0.119 R)
• M17: 17,997,222 km (0.104 R)
• M18: 18,586,937 km (0.088 R)
• M19: 19,311,440 km (0.117 R)
• M20: 19,929,578 km (0.085 R)
• M21: 21,270,723 km (0.109 R)
• M22: 21,930,150 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.1

Radius: 4.6

Gravity: 39.75 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.34 AU - 6.52 AU

Year: 9473 Days

Day: 17.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,711,131 km

• M1: 57,296 km (0.109 R)
• M2: 690,843 km (0.118 R)
• M3: 848,519 km (0.111 R)
• M4: 1,074,412 km (0.11 R)
• M5: 1,339,649 km (0.025 R)
• M6: 2,501,576 km (0.09 R)
• M7: 2,968,171 km (0.098 R)
• M8: 3,853,342 km (0.1 R)
• M9: 4,444,403 km (0.027 R)
• M10: 8,062,278 km (0.074 R)
• M11: 10,161,884 km (0.072 R)
• M12: 11,008,010 km (0.098 R)
• M13: 11,448,127 km (0.103 R)
• M14: 15,951,771 km (0.112 R)
• M15: 20,919,467 km (0.108 R)
• M16: 24,624,258 km (0.069 R)
• M17: 25,662,168 km (0.113 R)
• M18: 26,925,971 km (0.042 R)
• M19: 34,567,580 km (0.028 R)
• M20: 35,390,967 km (0.105 R)
• M21: 47,460,523 km (0.058 R)
• M22: 47,749,546 km (0.113 R)
• M23: 49,212,464 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.7

Radius: 5

Gravity: 37.59 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.56 AU - 6.84 AU

Year: 10127 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,711,131 km

• M1: 62,382 km (0.119 R)
• M2: 359,633 km (0.111 R)
• M3: 524,341 km (0.1 R)
• M4: 803,789 km (0.105 R)
• M5: 1,141,731 km (0.086 R)
• M6: 1,771,239 km (0.102 R)
• M7: 2,846,249 km (0.094 R)
• M8: 4,122,768 km (0.044 R)
• M9: 4,757,960 km (0.115 R)
• M10: 6,182,730 km (0.087 R)
• M11: 7,262,827 km (0.113 R)
• M12: 12,179,660 km (0.11 R)
• M13: 14,592,524 km (0.039 R)
• M14: 15,839,273 km (0.06 R)
• M15: 16,270,115 km (0.072 R)
• M16: 18,463,818 km (0.073 R)
• M17: 19,754,698 km (0.088 R)
• M18: 20,506,577 km (0.083 R)
• M19: 22,695,343 km (0.091 R)
• M20: 23,427,326 km (0.071 R)
• M21: 28,679,109 km (0.076 R)
• M22: 34,424,564 km (0.085 R)
• M23: 39,433,550 km (0.025 R)
• M24: 41,701,902 km (0.111 R)
• M25: 43,634,109 km (0.079 R)
• M26: 45,336,981 km (0.117 R)
• M27: 45,625,107 km (0.072 R)
• M28: 48,573,232 km (0.08 R)
• M29: 51,333,013 km (0.093 R)
• M30: 52,117,654 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 17,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit