🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.67 AU - 0.97 AU

Year: 275 Days

Day: 19.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.62 AU - 4.78 AU

Year: 3192 Days

Day: 44.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.5

Radius: 9.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.62 AU - 6.28 AU

Year: 4718 Days

Day: 12.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,087,183 km

• M1: 113,246 km (0.082 R)
• M2: 582,684 km (0.039 R)
• M3: 885,470 km (0.07 R)
• M4: 1,267,244 km (0.114 R)
• M5: 1,733,690 km (0.108 R)
• M6: 2,296,477 km (0.113 R)
• M7: 2,752,750 km (0.076 R)
• M8: 3,421,902 km (0.083 R)
• M9: 5,747,101 km (0.116 R)
• M10: 6,173,755 km (0.084 R)
• M11: 7,186,981 km (0.109 R)
• M12: 8,095,339 km (0.116 R)
• M13: 8,965,400 km (0.099 R)
• M14: 9,462,065 km (0.052 R)
• M15: 10,017,373 km (0.074 R)
• M16: 10,636,109 km (0.112 R)
• M17: 10,933,660 km (0.098 R)
• M18: 12,225,437 km (0.102 R)
• M19: 12,598,983 km (0.072 R)
• M20: 13,916,492 km (0.094 R)
• M21: 14,272,684 km (0.083 R)
• M22: 16,256,950 km (0.115 R)
• M23: 17,995,577 km (0.101 R)
• M24: 19,409,875 km (0.086 R)
• M25: 20,111,938 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 11.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.52 AU - 12.28 AU

Year: 12438 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,087,183 km

• M1: 141,968 km (0.112 R)
• M2: 543,040 km (0.117 R)
• M3: 1,234,930 km (0.055 R)
• M4: 1,707,360 km (0.074 R)
• M5: 2,188,617 km (0.053 R)
• M6: 3,840,028 km (0.107 R)
• M7: 4,491,975 km (0.091 R)
• M8: 5,316,260 km (0.106 R)
• M9: 5,871,866 km (0.119 R)
• M10: 6,659,648 km (0.081 R)
• M11: 7,181,595 km (0.118 R)
• M12: 10,212,598 km (0.114 R)
• M13: 15,550,250 km (0.119 R)
• M14: 18,186,912 km (0.038 R)
• M15: 20,267,669 km (0.072 R)
• M16: 27,864,548 km (0.082 R)
• M17: 33,322,627 km (0.098 R)
• M18: 34,021,997 km (0.106 R)
• M19: 38,553,316 km (0.027 R)
• M20: 43,887,827 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.3

Radius: 8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 15.08 AU - 18.44 AU

Year: 25446 Days

Day: 15.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,087,183 km

• M1: 99,483 km (0.115 R)
• M2: 409,898 km (0.106 R)
• M3: 2,188,318 km (0.089 R)
• M4: 2,896,065 km (0.117 R)
• M5: 3,293,098 km (0.03 R)
• M6: 5,675,294 km (0.071 R)
• M7: 7,301,274 km (0.118 R)
• M8: 15,990,666 km (0.106 R)
• M9: 16,691,682 km (0.057 R)
• M10: 21,474,475 km (0.111 R)
• M11: 22,544,100 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.5

Radius: 6

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 16.62 AU - 18.16 AU

Year: 26894 Days

Day: 21.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,087,183 km

• M1: 77,492 km (0.028 R)
• M2: 400,324 km (0.036 R)
• M3: 1,796,521 km (0.061 R)
• M4: 2,488,112 km (0.113 R)
• M5: 3,012,452 km (0.075 R)
• M6: 3,518,392 km (0.091 R)
• M7: 4,519,950 km (0.117 R)
• M8: 6,742,974 km (0.082 R)
• M9: 8,167,595 km (0.071 R)
• M10: 9,374,102 km (0.093 R)
• M11: 14,149,864 km (0.093 R)
• M12: 16,045,269 km (0.108 R)
• M13: 19,382,199 km (0.105 R)
• M14: 21,511,276 km (0.12 R)
• M15: 25,100,728 km (0.086 R)
• M16: 25,773,020 km (0.095 R)
• M17: 29,686,800 km (0.107 R)
• M18: 31,074,619 km (0.079 R)
• M19: 33,979,062 km (0.076 R)
• M20: 35,217,732 km (0.067 R)
• M21: 39,714,345 km (0.116 R)
• M22: 42,335,599 km (0.102 R)
• M23: 44,091,878 km (0.108 R)
• M24: 49,301,474 km (0.053 R)
• M25: 53,421,699 km (0.06 R)
• M26: 57,571,843 km (0.034 R)
• M27: 62,135,176 km (0.108 R)
• M28: 68,225,007 km (0.064 R)
• M29: 72,423,471 km (0.036 R)
• M30: 72,649,064 km (0.112 R)
• M31: 72,875,107 km (0.073 R)
• M32: 76,556,710 km (0.041 R)
• M33: 79,637,678 km (0.032 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 17,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit