🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.89 AU - 1.09 AU

Year: 379 Days

Day: 31.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.27 AU - 1.27 AU

Year: 551 Days

Day: 32.1 Hours

Environment

Temp: -30 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,978,927 km

• M1: 37,100 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.85 AU - 3.45 AU

Year: 2152 Days

Day: 29.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,978,927 km

• M1: 44,431 km (0.105 R)

Asteroid Belt

Center: 3.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.9

Radius: 8.2

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.26 AU - 5.1 AU

Year: 3898 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,978,927 km

• M1: 102,026 km (0.025 R)
• M2: 359,035 km (0.081 R)
• M3: 646,562 km (0.099 R)
• M4: 981,811 km (0.119 R)
• M5: 1,255,126 km (0.092 R)
• M6: 1,521,859 km (0.085 R)
• M7: 1,788,143 km (0.109 R)
• M8: 2,448,618 km (0.069 R)
• M9: 2,800,023 km (0.115 R)
• M10: 3,301,326 km (0.088 R)
• M11: 3,839,130 km (0.08 R)
• M12: 4,338,937 km (0.108 R)
• M13: 5,142,427 km (0.093 R)
• M14: 6,041,510 km (0.1 R)
• M15: 7,650,585 km (0.04 R)
• M16: 10,877,560 km (0.064 R)
• M17: 11,324,559 km (0.097 R)
• M18: 11,970,971 km (0.092 R)
• M19: 13,438,826 km (0.096 R)
• M20: 15,803,070 km (0.096 R)
• M21: 16,727,585 km (0.047 R)
• M22: 18,938,941 km (0.104 R)
• M23: 20,047,910 km (0.073 R)
• M24: 22,038,908 km (0.096 R)
• M25: 23,265,311 km (0.094 R)
• M26: 23,783,369 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.1

Radius: 13.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.74 AU - 4.94 AU

Year: 4100 Days

Day: 5.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,978,927 km

• M1: 162,912 km (0.103 R)
• M2: 622,776 km (0.086 R)
• M3: 2,096,913 km (0.088 R)
• M4: 2,841,163 km (0.118 R)
• M5: 3,444,042 km (0.043 R)
• M6: 4,557,050 km (0.081 R)
• M7: 6,044,053 km (0.083 R)
• M8: 7,450,273 km (0.1 R)
• M9: 7,869,147 km (0.09 R)
• M10: 8,415,179 km (0.119 R)
• M11: 9,064,285 km (0.105 R)
• M12: 11,259,633 km (0.081 R)
• M13: 11,953,917 km (0.077 R)
• M14: 13,174,486 km (0.038 R)
• M15: 13,998,172 km (0.096 R)
• M16: 16,149,988 km (0.098 R)
• M17: 17,153,789 km (0.052 R)
• M18: 18,387,523 km (0.115 R)
• M19: 19,351,083 km (0.079 R)
• M20: 21,448,744 km (0.08 R)
• M21: 22,085,134 km (0.103 R)
• M22: 25,379,578 km (0.113 R)
• M23: 26,412,551 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.7

Radius: 12.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.4 AU - 8.26 AU

Year: 7641 Days

Day: 5.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,978,927 km

• M1: 219,161 km (0.11 R)
• M2: 688,449 km (0.115 R)
• M3: 3,845,563 km (0.084 R)
• M4: 5,839,254 km (0.101 R)
• M5: 6,872,377 km (0.106 R)
• M6: 7,449,226 km (0.088 R)
• M7: 8,410,991 km (0.062 R)
• M8: 8,996,666 km (0.116 R)
• M9: 12,159,165 km (0.066 R)
• M10: 12,956,821 km (0.107 R)
• M11: 15,560,123 km (0.1 R)
• M12: 16,220,149 km (0.093 R)
• M13: 18,191,849 km (0.077 R)
• M14: 20,842,125 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.7

Radius: 7.9

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 9.38 AU - 13.7 AU

Year: 15093 Days

Day: 24.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,978,927 km

• M1: 98,286 km (0.066 R)
• M2: 363,523 km (0.027 R)
• M3: 842,386 km (0.063 R)
• M4: 1,312,422 km (0.093 R)
• M5: 1,732,942 km (0.064 R)
• M6: 2,061,459 km (0.106 R)
• M7: 2,967,872 km (0.074 R)
• M8: 3,580,775 km (0.103 R)
• M9: 3,872,490 km (0.108 R)
• M10: 4,148,499 km (0.079 R)
• M11: 8,471,578 km (0.074 R)
• M12: 10,501,920 km (0.059 R)
• M13: 15,649,882 km (0.077 R)
• M14: 17,655,092 km (0.093 R)
• M15: 19,466,872 km (0.074 R)
• M16: 21,974,132 km (0.059 R)
• M17: 23,154,609 km (0.101 R)
• M18: 23,760,480 km (0.111 R)
• M19: 25,748,786 km (0.058 R)
• M20: 29,579,089 km (0.092 R)
• M21: 30,172,694 km (0.118 R)
• M22: 33,260,244 km (0.048 R)
• M23: 35,078,158 km (0.102 R)
• M24: 35,609,529 km (0.102 R)
• M25: 36,416,460 km (0.072 R)
• M26: 39,480,224 km (0.114 R)
• M27: 54,691,186 km (0.075 R)
• M28: 61,346,347 km (0.057 R)
• M29: 62,895,283 km (0.048 R)
• M30: 64,073,965 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 17,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit