🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 9.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.57 AU - 0.61 AU

Year: 307 Days

Day: 9.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,768,084 km

• M1: 116,986 km (0.086 R)
• M2: 468,690 km (0.096 R)
• M3: 810,072 km (0.03 R)
• M4: 1,162,375 km (0.075 R)
• M5: 1,669,063 km (0.102 R)
• M6: 2,057,719 km (0.074 R)
• M7: 2,568,595 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 8

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.82 AU - 1.3 AU

Year: 740 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,768,084 km

• M1: 101,577 km (0.099 R)
• M2: 407,654 km (0.12 R)
• M3: 669,450 km (0.081 R)
• M4: 1,030,281 km (0.077 R)
• M5: 1,494,632 km (0.051 R)
• M6: 1,917,546 km (0.062 R)
• M7: 3,120,761 km (0.044 R)
• M8: 3,999,200 km (0.032 R)
• M9: 4,436,923 km (0.076 R)
• M10: 5,088,272 km (0.058 R)
• M11: 6,067,690 km (0.077 R)
• M12: 6,757,336 km (0.082 R)
• M13: 7,052,044 km (0.106 R)
• M14: 7,402,701 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 12.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.97 AU - 1.17 AU

Year: 751 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,768,084 km

• M1: 153,039 km (0.115 R)
• M2: 769,681 km (0.117 R)
• M3: 1,227,600 km (0.11 R)
• M4: 1,654,403 km (0.093 R)
• M5: 3,141,555 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 12.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.02 AU - 1.26 AU

Year: 826 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,768,084 km

• M1: 153,039 km (0.117 R)
• M2: 636,090 km (0.098 R)
• M3: 1,413,999 km (0.106 R)
• M4: 1,902,436 km (0.116 R)
• M5: 2,377,260 km (0.117 R)
• M6: 2,779,528 km (0.109 R)
• M7: 3,192,419 km (0.095 R)
• M8: 3,633,583 km (0.074 R)
• M9: 4,129,500 km (0.072 R)
• M10: 5,596,157 km (0.092 R)

Asteroid Belt

Center: 1.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 14.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.04 AU - 2.42 AU

Year: 2259 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,768,084 km

• M1: 175,478 km (0.057 R)
• M2: 1,063,342 km (0.08 R)
• M3: 1,633,010 km (0.088 R)
• M4: 3,717,208 km (0.06 R)
• M5: 4,704,105 km (0.087 R)
• M6: 5,907,321 km (0.083 R)
• M7: 6,924,137 km (0.077 R)
• M8: 7,446,533 km (0.098 R)
• M9: 8,234,316 km (0.12 R)
• M10: 9,304,688 km (0.111 R)
• M11: 10,184,324 km (0.047 R)
• M12: 10,825,351 km (0.089 R)
• M13: 11,379,910 km (0.077 R)
• M14: 12,188,187 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 12.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.14 AU - 4.24 AU

Year: 5817 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,768,084 km

• M1: 155,731 km (0.079 R)
• M2: 581,786 km (0.055 R)
• M3: 1,344,735 km (0.119 R)
• M4: 2,004,761 km (0.094 R)
• M5: 2,581,760 km (0.111 R)
• M6: 3,145,445 km (0.095 R)
• M7: 4,193,677 km (0.074 R)
• M8: 6,137,701 km (0.034 R)
• M9: 8,744,145 km (0.095 R)
• M10: 15,067,049 km (0.081 R)
• M11: 16,520,841 km (0.078 R)
• M12: 17,867,820 km (0.088 R)
• M13: 19,425,882 km (0.045 R)
• M14: 22,271,981 km (0.109 R)
• M15: 23,674,910 km (0.096 R)
• M16: 25,804,436 km (0.11 R)
• M17: 27,176,697 km (0.068 R)
• M18: 30,253,327 km (0.113 R)
• M19: 32,658,861 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.8

Radius: 4.1

Gravity: 22.83 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.5 AU - 10.08 AU

Year: 17676 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,768,084 km

• M1: 51,312 km (0.061 R)
• M2: 186,848 km (0.084 R)
• M3: 371,003 km (0.074 R)
• M4: 1,174,493 km (0.058 R)
• M5: 1,787,096 km (0.083 R)
• M6: 4,327,118 km (0.089 R)
• M7: 21,414,786 km (0.072 R)
• M8: 22,228,299 km (0.112 R)
• M9: 23,344,598 km (0.086 R)
• M10: 25,487,588 km (0.053 R)
• M11: 25,992,181 km (0.067 R)
• M12: 27,758,035 km (0.067 R)
• M13: 34,016,312 km (0.104 R)
• M14: 35,371,519 km (0.077 R)
• M15: 36,762,330 km (0.065 R)
• M16: 38,320,542 km (0.112 R)
• M17: 45,731,321 km (0.093 R)
• M18: 46,776,262 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 19,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit