🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 12

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,256,338 km

• M1: 149,299 km (0.051 R)
• M2: 574,905 km (0.112 R)
• M3: 991,235 km (0.111 R)
• M4: 1,448,855 km (0.11 R)
• M5: 1,859,651 km (0.094 R)
• M6: 2,256,085 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.9

Radius: 12.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 9.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,256,338 km

• M1: 159,172 km (0.065 R)
• M2: 578,345 km (0.093 R)
• M3: 1,097,151 km (0.079 R)
• M4: 1,565,691 km (0.062 R)
• M5: 2,325,948 km (0.095 R)
• M6: 2,897,561 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 14.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.27 AU - 1.29 AU

Year: 966 Days

Day: 13.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,256,338 km

• M1: 176,675 km (0.052 R)
• M2: 676,781 km (0.112 R)
• M3: 1,402,480 km (0.083 R)
• M4: 2,168,421 km (0.09 R)
• M5: 3,774,953 km (0.113 R)
• M6: 4,647,407 km (0.114 R)
• M7: 5,307,583 km (0.063 R)
• M8: 6,203,674 km (0.095 R)
• M9: 6,934,460 km (0.112 R)
• M10: 7,671,080 km (0.105 R)
• M11: 8,137,675 km (0.085 R)
• M12: 8,650,946 km (0.094 R)
• M13: 10,540,965 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.2

Radius: 8.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.17 AU - 1.69 AU

Year: 1140 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,256,338 km

• M1: 109,506 km (0.111 R)
• M2: 566,378 km (0.103 R)
• M3: 907,161 km (0.117 R)
• M4: 2,195,349 km (0.099 R)
• M5: 3,113,431 km (0.057 R)
• M6: 4,100,178 km (0.11 R)
• M7: 4,439,915 km (0.107 R)
• M8: 5,723,016 km (0.059 R)
• M9: 6,010,693 km (0.092 R)
• M10: 6,368,681 km (0.099 R)
• M11: 6,932,216 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 8.4

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.45 AU - 2.17 AU

Year: 1624 Days

Day: 13.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,256,338 km

• M1: 105,466 km (0.119 R)
• M2: 506,090 km (0.092 R)
• M3: 771,626 km (0.041 R)
• M4: 1,391,859 km (0.075 R)
• M5: 1,815,819 km (0.066 R)
• M6: 2,454,901 km (0.111 R)
• M7: 2,834,281 km (0.106 R)
• M8: 3,236,251 km (0.046 R)
• M9: 3,891,789 km (0.082 R)
• M10: 4,231,825 km (0.073 R)
• M11: 4,612,252 km (0.114 R)
• M12: 4,971,885 km (0.064 R)
• M13: 5,652,256 km (0.069 R)
• M14: 6,064,548 km (0.114 R)
• M15: 6,976,646 km (0.093 R)
• M16: 8,007,376 km (0.117 R)
• M17: 8,559,242 km (0.105 R)
• M18: 9,201,915 km (0.114 R)
• M19: 9,670,605 km (0.09 R)
• M20: 11,023,568 km (0.039 R)
• M21: 13,580,196 km (0.036 R)
• M22: 14,723,273 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 11.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.54 AU - 2.4 AU

Year: 1844 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,256,338 km

• M1: 149,448 km (0.096 R)
• M2: 571,015 km (0.059 R)
• M3: 1,420,432 km (0.117 R)
• M4: 1,868,926 km (0.067 R)
• M5: 2,654,465 km (0.114 R)
• M6: 3,028,609 km (0.119 R)
• M7: 5,933,201 km (0.116 R)
• M8: 7,350,192 km (0.083 R)
• M9: 9,042,593 km (0.114 R)
• M10: 9,543,297 km (0.106 R)
• M11: 13,542,497 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 13.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.47 AU - 4.95 AU

Year: 5760 Days

Day: 5.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,256,338 km

• M1: 166,054 km (0.032 R)
• M2: 1,118,543 km (0.066 R)
• M3: 1,611,767 km (0.115 R)
• M4: 3,039,530 km (0.102 R)
• M5: 3,562,972 km (0.114 R)
• M6: 5,237,122 km (0.063 R)
• M7: 5,994,087 km (0.07 R)
• M8: 7,145,542 km (0.061 R)
• M9: 7,885,154 km (0.108 R)
• M10: 8,880,878 km (0.108 R)
• M11: 11,162,096 km (0.087 R)
• M12: 12,287,221 km (0.069 R)
• M13: 13,486,846 km (0.093 R)
• M14: 15,156,059 km (0.105 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: 393 - 11,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit