🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.68 AU - 1.06 AU

Year: 284 Days

Day: 30 Hours

Environment

Temp: 187 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.8 AU - 5.5 AU

Year: 4089 Days

Day: 33.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 11.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 14

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.97 AU - 14.81 AU

Year: 14343 Days

Day: 13.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,827,653 km

• M1: 174,132 km (0.077 R)
• M2: 627,713 km (0.08 R)
• M3: 1,176,138 km (0.099 R)
• M4: 1,641,986 km (0.113 R)
• M5: 2,199,238 km (0.115 R)
• M6: 2,779,080 km (0.113 R)
• M7: 3,343,363 km (0.106 R)
• M8: 3,828,958 km (0.1 R)
• M9: 4,417,625 km (0.115 R)
• M10: 5,349,769 km (0.076 R)
• M11: 5,914,501 km (0.097 R)
• M12: 7,977,905 km (0.056 R)
• M13: 8,672,488 km (0.109 R)
• M14: 12,710,433 km (0.062 R)
• M15: 13,903,626 km (0.096 R)
• M16: 15,235,496 km (0.098 R)
• M17: 16,581,578 km (0.086 R)
• M18: 17,283,640 km (0.102 R)
• M19: 19,898,162 km (0.098 R)
• M20: 21,258,905 km (0.115 R)
• M21: 23,024,459 km (0.075 R)
• M22: 24,433,820 km (0.115 R)
• M23: 24,885,905 km (0.079 R)
• M24: 26,370,065 km (0.086 R)
• M25: 27,037,571 km (0.058 R)
• M26: 27,618,759 km (0.078 R)
• M27: 31,388,775 km (0.077 R)
• M28: 31,923,288 km (0.097 R)
• M29: 34,347,522 km (0.048 R)
• M30: 40,561,368 km (0.078 R)
• M31: 44,601,558 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.5

Radius: 3.5

Gravity: 44.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 16 AU - 20.54 AU

Year: 27320 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,827,653 km

• M1: 44,131 km (0.118 R)
• M2: 182,509 km (0.077 R)
• M3: 524,789 km (0.064 R)
• M4: 882,179 km (0.091 R)
• M5: 1,085,781 km (0.085 R)
• M6: 2,116,660 km (0.081 R)
• M7: 2,940,945 km (0.064 R)
• M8: 3,669,486 km (0.104 R)
• M9: 4,805,532 km (0.037 R)
• M10: 5,112,657 km (0.079 R)
• M11: 5,432,796 km (0.086 R)
• M12: 5,681,428 km (0.119 R)
• M13: 8,164,453 km (0.082 R)
• M14: 9,227,346 km (0.088 R)
• M15: 9,822,297 km (0.068 R)
• M16: 11,353,581 km (0.075 R)
• M17: 14,561,109 km (0.059 R)
• M18: 16,200,103 km (0.064 R)
• M19: 17,063,881 km (0.097 R)
• M20: 18,788,894 km (0.087 R)
• M21: 19,166,330 km (0.062 R)
• M22: 21,129,502 km (0.106 R)
• M23: 22,900,292 km (0.084 R)
• M24: 26,615,256 km (0.035 R)
• M25: 26,733,738 km (0.044 R)
• M26: 27,091,127 km (0.105 R)
• M27: 28,552,848 km (0.116 R)
• M28: 30,712,443 km (0.115 R)
• M29: 31,632,470 km (0.059 R)
• M30: 33,389,497 km (0.09 R)
• M31: 46,678,575 km (0.094 R)
• M32: 57,586,204 km (0.118 R)
• M33: 58,782,090 km (0.12 R)
• M34: 62,678,665 km (0.116 R)
• M35: 63,309,220 km (0.069 R)
• M36: 63,520,303 km (0.12 R)
• M37: 72,817,362 km (0.111 R)
• M38: 81,974,397 km (0.104 R)
• M39: 85,274,825 km (0.095 R)
• M40: 86,827,651 km (0.075 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 18,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit