🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 11.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.49 AU - 0.71 AU

Year: 310 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,319,987 km

• M1: 138,079 km (0.108 R)
• M2: 687,103 km (0.09 R)
• M3: 1,279,361 km (0.114 R)
• M4: 1,777,971 km (0.115 R)
• M5: 2,127,431 km (0.115 R)
• M6: 2,654,764 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.1

Radius: 15

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.97 AU - 1.15 AU

Year: 728 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,319,987 km

• M1: 186,549 km (0.108 R)
• M2: 702,362 km (0.07 R)
• M3: 1,248,245 km (0.065 R)
• M4: 1,849,628 km (0.042 R)
• M5: 2,430,517 km (0.088 R)
• M6: 3,276,941 km (0.092 R)
• M7: 4,138,326 km (0.117 R)
• M8: 6,313,180 km (0.117 R)
• M9: 7,031,698 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 13.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.85 AU - 1.33 AU

Year: 759 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,319,987 km

• M1: 167,998 km (0.062 R)
• M2: 598,691 km (0.029 R)
• M3: 1,021,305 km (0.102 R)
• M4: 1,482,964 km (0.057 R)
• M5: 2,114,716 km (0.116 R)
• M6: 2,793,291 km (0.05 R)
• M7: 3,229,369 km (0.117 R)
• M8: 4,029,269 km (0.058 R)
• M9: 4,638,731 km (0.081 R)
• M10: 5,381,634 km (0.07 R)
• M11: 6,844,701 km (0.049 R)
• M12: 7,327,154 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 9.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.15 AU - 1.81 AU

Year: 1201 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,319,987 km

• M1: 114,742 km (0.117 R)
• M2: 468,241 km (0.087 R)
• M3: 1,165,218 km (0.08 R)
• M4: 1,891,067 km (0.108 R)
• M5: 2,220,930 km (0.034 R)
• M6: 3,011,405 km (0.068 R)
• M7: 3,361,464 km (0.076 R)
• M8: 3,929,786 km (0.052 R)
• M9: 4,279,845 km (0.034 R)
• M10: 4,687,350 km (0.064 R)
• M11: 5,662,878 km (0.116 R)
• M12: 6,909,776 km (0.11 R)
• M13: 7,496,798 km (0.041 R)
• M14: 7,880,367 km (0.084 R)
• M15: 8,521,244 km (0.057 R)
• M16: 9,167,657 km (0.112 R)
• M17: 9,906,969 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 12.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.4 AU - 1.76 AU

Year: 1324 Days

Day: 14.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,319,987 km

• M1: 154,235 km (0.11 R)
• M2: 719,267 km (0.119 R)
• M3: 1,355,207 km (0.099 R)
• M4: 2,103,196 km (0.108 R)
• M5: 3,484,434 km (0.09 R)
• M6: 4,139,223 km (0.041 R)
• M7: 5,256,420 km (0.119 R)
• M8: 5,905,077 km (0.112 R)
• M9: 7,118,914 km (0.045 R)
• M10: 7,796,891 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.2

Radius: 14.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.27 AU - 2.09 AU

Year: 1452 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,319,987 km

• M1: 176,675 km (0.094 R)
• M2: 945,907 km (0.12 R)
• M3: 1,747,602 km (0.076 R)
• M4: 2,256,385 km (0.092 R)
• M5: 3,166,089 km (0.063 R)
• M6: 4,451,135 km (0.049 R)
• M7: 6,172,109 km (0.107 R)
• M8: 6,874,920 km (0.068 R)
• M9: 7,630,688 km (0.08 R)
• M10: 11,598,024 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.8

Radius: 10.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.56 AU - 5.76 AU

Year: 8980 Days

Day: 8.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 67.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,319,987 km

• M1: 125,662 km (0.069 R)
• M2: 452,982 km (0.068 R)
• M3: 888,013 km (0.116 R)
• M4: 1,215,034 km (0.114 R)
• M5: 1,740,422 km (0.089 R)
• M6: 2,565,903 km (0.08 R)
• M7: 3,458,703 km (0.065 R)
• M8: 4,120,374 km (0.096 R)
• M9: 4,572,309 km (0.1 R)
• M10: 6,097,759 km (0.047 R)
• M11: 6,959,143 km (0.077 R)
• M12: 7,275,692 km (0.075 R)
• M13: 7,975,362 km (0.086 R)
• M14: 9,811,676 km (0.084 R)
• M15: 10,482,024 km (0.099 R)
• M16: 12,419,316 km (0.117 R)
• M17: 15,997,697 km (0.085 R)
• M18: 22,724,665 km (0.108 R)
• M19: 24,946,043 km (0.081 R)
• M20: 28,454,263 km (0.116 R)
• M21: 29,084,369 km (0.118 R)
• M22: 29,815,903 km (0.088 R)

Asteroid Belt

Center: 6.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 7.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.23 AU - 9.07 AU

Year: 15516 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 152.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,319,987 km

• M1: 96,042 km (0.118 R)
• M2: 470,037 km (0.118 R)
• M3: 1,003,353 km (0.055 R)
• M4: 1,450,651 km (0.028 R)
• M5: 1,813,126 km (0.091 R)
• M6: 2,538,526 km (0.081 R)
• M7: 2,912,521 km (0.104 R)
• M8: 3,929,936 km (0.081 R)
• M9: 4,288,223 km (0.104 R)
• M10: 4,728,789 km (0.117 R)
• M11: 7,154,069 km (0.041 R)
• M12: 7,945,293 km (0.098 R)
• M13: 8,979,612 km (0.075 R)
• M14: 10,987,964 km (0.113 R)
• M15: 12,916,131 km (0.076 R)
• M16: 13,217,421 km (0.079 R)
• M17: 15,393,172 km (0.104 R)
• M18: 15,732,161 km (0.113 R)
• M19: 16,993,720 km (0.118 R)
• M20: 17,428,750 km (0.093 R)
• M21: 19,088,090 km (0.034 R)
• M22: 20,116,575 km (0.11 R)
• M23: 21,181,563 km (0.088 R)
• M24: 21,516,662 km (0.1 R)
• M25: 24,144,049 km (0.103 R)
• M26: 31,633,068 km (0.038 R)
• M27: 34,322,090 km (0.082 R)
• M28: 36,436,207 km (0.036 R)
• M29: 37,770,022 km (0.058 R)
• M30: 40,149,974 km (0.051 R)
• M31: 40,921,899 km (0.065 R)
• M32: 43,701,577 km (0.086 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: 213 - 13,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit