🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 8.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.8 AU - 0.92 AU

Year: 515 Days

Day: 10.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,326,345 km

• M1: 102,026 km (0.103 R)
• M2: 744,549 km (0.103 R)
• M3: 1,197,531 km (0.099 R)
• M4: 1,611,169 km (0.043 R)
• M5: 1,967,362 km (0.1 R)
• M6: 2,403,739 km (0.098 R)
• M7: 3,110,439 km (0.105 R)
• M8: 3,434,318 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 15

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.85 AU - 0.99 AU

Year: 570 Days

Day: 10.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,326,345 km

• M1: 186,549 km (0.069 R)
• M2: 974,331 km (0.1 R)
• M3: 1,511,986 km (0.107 R)
• M4: 2,039,169 km (0.082 R)
• M5: 3,054,340 km (0.077 R)
• M6: 3,557,138 km (0.071 R)
• M7: 4,189,339 km (0.096 R)
• M8: 4,946,005 km (0.1 R)
• M9: 5,773,730 km (0.119 R)
• M10: 7,047,855 km (0.117 R)
• M11: 7,594,037 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.6

Radius: 12.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.73 AU - 1.17 AU

Year: 598 Days

Day: 10.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,326,345 km

• M1: 156,629 km (0.111 R)
• M2: 693,985 km (0.063 R)
• M3: 1,628,074 km (0.062 R)
• M4: 2,314,429 km (0.118 R)
• M5: 2,831,140 km (0.111 R)
• M6: 3,400,060 km (0.097 R)
• M7: 3,816,541 km (0.119 R)
• M8: 4,617,338 km (0.119 R)
• M9: 5,276,915 km (0.03 R)
• M10: 5,715,985 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.7

Radius: 8.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.92 AU - 1.1 AU

Year: 655 Days

Day: 14 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,326,345 km

• M1: 110,702 km (0.066 R)
• M2: 485,894 km (0.036 R)
• M3: 807,829 km (0.075 R)
• M4: 1,169,107 km (0.108 R)
• M5: 1,722,171 km (0.112 R)
• M6: 2,252,944 km (0.111 R)
• M7: 2,590,736 km (0.115 R)
• M8: 2,962,187 km (0.087 R)
• M9: 3,391,982 km (0.039 R)
• M10: 4,081,479 km (0.107 R)
• M11: 4,404,461 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 13.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.54 AU - 1.56 AU

Year: 1246 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,326,345 km

• M1: 165,156 km (0.069 R)
• M2: 823,387 km (0.083 R)
• M3: 1,240,017 km (0.082 R)
• M4: 1,766,152 km (0.04 R)
• M5: 2,237,984 km (0.1 R)
• M6: 3,004,374 km (0.062 R)
• M7: 3,810,856 km (0.08 R)
• M8: 4,520,399 km (0.092 R)
• M9: 5,041,149 km (0.114 R)
• M10: 6,137,402 km (0.108 R)
• M11: 6,706,921 km (0.117 R)
• M12: 8,491,923 km (0.113 R)
• M13: 10,321,206 km (0.093 R)
• M14: 11,195,157 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 8.6

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.57 AU - 2.83 AU

Year: 2865 Days

Day: 8.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,326,345 km

• M1: 107,411 km (0.076 R)
• M2: 443,857 km (0.08 R)
• M3: 750,682 km (0.114 R)
• M4: 1,221,167 km (0.107 R)
• M5: 1,711,998 km (0.091 R)
• M6: 2,055,774 km (0.09 R)
• M7: 3,448,081 km (0.051 R)
• M8: 4,430,491 km (0.069 R)
• M9: 6,379,900 km (0.087 R)
• M10: 7,495,003 km (0.107 R)
• M11: 7,949,332 km (0.061 R)
• M12: 8,560,140 km (0.08 R)
• M13: 8,876,988 km (0.113 R)
• M14: 9,201,915 km (0.08 R)
• M15: 10,342,150 km (0.077 R)
• M16: 10,946,525 km (0.055 R)
• M17: 11,404,444 km (0.113 R)
• M18: 11,702,443 km (0.067 R)
• M19: 12,403,309 km (0.108 R)
• M20: 13,085,475 km (0.1 R)
• M21: 13,412,197 km (0.116 R)
• M22: 16,013,106 km (0.039 R)
• M23: 16,603,419 km (0.066 R)
• M24: 16,931,487 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 11.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.9 AU - 4.56 AU

Year: 5617 Days

Day: 6.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,326,345 km

• M1: 150,196 km (0.077 R)
• M2: 697,276 km (0.107 R)
• M3: 1,087,577 km (0.077 R)
• M4: 1,534,126 km (0.1 R)
• M5: 2,375,016 km (0.112 R)
• M6: 2,843,257 km (0.08 R)
• M7: 3,671,581 km (0.094 R)
• M8: 4,814,658 km (0.06 R)
• M9: 5,673,798 km (0.116 R)
• M10: 6,925,334 km (0.119 R)
• M11: 7,568,904 km (0.045 R)
• M12: 9,592,365 km (0.081 R)
• M13: 11,113,775 km (0.117 R)
• M14: 12,971,332 km (0.12 R)
• M15: 16,425,098 km (0.069 R)
• M16: 19,120,403 km (0.116 R)
• M17: 19,959,049 km (0.083 R)
• M18: 21,199,514 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 20,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit