🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.06 AU

Year: 329 Days

Day: 46.4 Hours

Environment

Temp: 139 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.81 AU - 1.19 AU

Year: 350 Days

Day: 31.4 Hours

Environment

Temp: 138 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.6

Radius: 8.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.86 AU - 6.2 AU

Year: 5180 Days

Day: 6.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,770,768 km

• M1: 101,128 km (0.036 R)
• M2: 375,341 km (0.108 R)
• M3: 760,855 km (0.109 R)
• M4: 1,130,511 km (0.094 R)
• M5: 2,282,714 km (0.096 R)
• M6: 2,773,245 km (0.093 R)
• M7: 3,157,113 km (0.093 R)
• M8: 3,766,725 km (0.035 R)
• M9: 5,661,980 km (0.081 R)
• M10: 7,516,545 km (0.062 R)
• M11: 9,298,405 km (0.085 R)
• M12: 9,991,941 km (0.104 R)
• M13: 10,244,911 km (0.082 R)
• M14: 10,675,902 km (0.118 R)
• M15: 12,668,396 km (0.098 R)
• M16: 13,623,130 km (0.078 R)
• M17: 14,625,137 km (0.092 R)
• M18: 15,227,118 km (0.112 R)
• M19: 15,618,766 km (0.071 R)
• M20: 18,111,515 km (0.086 R)
• M21: 19,913,571 km (0.119 R)
• M22: 20,789,466 km (0.073 R)
• M23: 21,480,609 km (0.046 R)
• M24: 24,475,109 km (0.09 R)
• M25: 25,794,413 km (0.109 R)
• M26: 26,191,296 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 12.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.96 AU - 10.38 AU

Year: 11346 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,770,768 km

• M1: 150,495 km (0.056 R)
• M2: 673,340 km (0.088 R)
• M3: 1,205,310 km (0.108 R)
• M4: 2,335,971 km (0.099 R)
• M5: 3,346,504 km (0.08 R)
• M6: 4,203,251 km (0.101 R)
• M7: 5,053,566 km (0.114 R)
• M8: 5,535,420 km (0.11 R)
• M9: 6,114,215 km (0.105 R)
• M10: 6,984,874 km (0.069 R)
• M11: 7,857,179 km (0.074 R)
• M12: 8,758,058 km (0.116 R)
• M13: 12,896,384 km (0.089 R)
• M14: 15,233,402 km (0.116 R)
• M15: 17,363,526 km (0.113 R)
• M16: 19,466,273 km (0.066 R)
• M17: 22,446,712 km (0.12 R)
• M18: 23,836,476 km (0.106 R)
• M19: 25,456,621 km (0.078 R)
• M20: 26,249,340 km (0.112 R)
• M21: 31,055,022 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.7

Radius: 4.1

Gravity: 56.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 13.38 AU - 17.06 AU

Year: 20773 Days

Day: 15.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,770,768 km

• M1: 61,186 km (0.049 R)
• M2: 197,170 km (0.108 R)
• M3: 499,956 km (0.054 R)
• M4: 744,698 km (0.102 R)
• M5: 987,047 km (0.078 R)
• M6: 1,264,850 km (0.109 R)
• M7: 1,954,646 km (0.098 R)
• M8: 2,254,739 km (0.045 R)
• M9: 3,963,596 km (0.085 R)
• M10: 4,164,805 km (0.106 R)
• M11: 4,961,264 km (0.108 R)
• M12: 5,559,506 km (0.118 R)
• M13: 6,115,711 km (0.11 R)
• M14: 6,568,095 km (0.078 R)
• M15: 6,850,086 km (0.104 R)
• M16: 6,994,000 km (0.116 R)
• M17: 7,590,297 km (0.102 R)
• M18: 8,273,660 km (0.119 R)
• M19: 9,286,288 km (0.093 R)
• M20: 9,822,447 km (0.1 R)
• M21: 10,568,940 km (0.028 R)
• M22: 13,330,367 km (0.063 R)
• M23: 15,362,056 km (0.091 R)
• M24: 16,537,297 km (0.098 R)
• M25: 17,412,444 km (0.101 R)
• M26: 17,861,387 km (0.117 R)
• M27: 18,318,110 km (0.066 R)
• M28: 18,782,461 km (0.076 R)
• M29: 23,538,178 km (0.066 R)
• M30: 35,049,584 km (0.074 R)
• M31: 36,929,282 km (0.08 R)
• M32: 40,574,084 km (0.109 R)
• M33: 47,690,754 km (0.102 R)
• M34: 48,392,218 km (0.108 R)
• M35: 58,146,448 km (0.092 R)
• M36: 58,746,037 km (0.063 R)
• M37: 62,849,207 km (0.104 R)
• M38: 71,620,280 km (0.092 R)
• M39: 83,686,096 km (0.063 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 12,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit