🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.23 AU - 1.31 AU

Year: 545 Days

Day: 22.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.63 AU - 2.03 AU

Year: 943 Days

Day: 19.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.13 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 10.8

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.89 AU - 4.97 AU

Year: 3551 Days

Day: 7.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 99,787,971 km

• M1: 134,339 km (0.103 R)
• M2: 471,084 km (0.118 R)
• M3: 877,691 km (0.113 R)
• M4: 1,513,482 km (0.089 R)
• M5: 2,042,909 km (0.081 R)
• M6: 2,467,168 km (0.118 R)
• M7: 2,897,412 km (0.05 R)
• M8: 3,931,731 km (0.082 R)
• M9: 4,380,824 km (0.084 R)
• M10: 5,627,274 km (0.118 R)
• M11: 6,468,762 km (0.076 R)
• M12: 6,999,834 km (0.032 R)
• M13: 8,078,435 km (0.091 R)
• M14: 8,769,278 km (0.103 R)
• M15: 13,368,664 km (0.105 R)
• M16: 14,492,294 km (0.054 R)
• M17: 15,077,221 km (0.081 R)
• M18: 16,068,158 km (0.067 R)
• M19: 17,996,923 km (0.084 R)
• M20: 18,797,571 km (0.068 R)
• M21: 19,175,006 km (0.111 R)
• M22: 20,140,810 km (0.095 R)
• M23: 20,602,619 km (0.07 R)
• M24: 21,003,840 km (0.102 R)
• M25: 22,099,645 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.5

Radius: 7

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 14.99 AU - 22.17 AU

Year: 30498 Days

Day: 16.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 99,787,971 km

• M1: 87,066 km (0.083 R)
• M2: 311,164 km (0.11 R)
• M3: 612,304 km (0.057 R)
• M4: 2,346,742 km (0.102 R)
• M5: 3,028,609 km (0.041 R)
• M6: 3,605,309 km (0.059 R)
• M7: 5,055,810 km (0.078 R)
• M8: 6,372,720 km (0.106 R)
• M9: 6,858,464 km (0.099 R)
• M10: 7,473,760 km (0.098 R)
• M11: 12,699,812 km (0.097 R)
• M12: 15,098,913 km (0.113 R)
• M13: 15,526,165 km (0.094 R)
• M14: 15,786,315 km (0.118 R)
• M15: 17,784,344 km (0.085 R)
• M16: 19,439,495 km (0.089 R)
• M17: 28,361,512 km (0.109 R)
• M18: 38,080,886 km (0.101 R)
• M19: 40,981,589 km (0.054 R)
• M20: 46,856,447 km (0.062 R)
• M21: 55,462,214 km (0.047 R)
• M22: 55,867,325 km (0.069 R)
• M23: 58,549,315 km (0.092 R)
• M24: 63,502,351 km (0.115 R)
• M25: 68,030,380 km (0.089 R)
• M26: 72,285,542 km (0.068 R)
• M27: 83,692,379 km (0.081 R)
• M28: 86,109,133 km (0.117 R)
• M29: 93,637,795 km (0.106 R)
• M30: 94,212,251 km (0.053 R)
• M31: 94,789,100 km (0.09 R)
• M32: 95,078,423 km (0.115 R)
• M33: 97,120,134 km (0.111 R)
• M34: 97,708,802 km (0.062 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: 173 - 19,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit