🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.42 AU - 0.66 AU

Year: 171 Days

Day: 40 Hours

Environment

Temp: 23 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 64,910,837 km

• M1: 21,093 km (0.095 R)
• M2: 41,887 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.82 AU - 1.18 AU

Year: 430 Days

Day: 31.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,910,837 km

• M1: 18,101 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 9.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.7 AU - 4.22 AU

Year: 3392 Days

Day: 10.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,910,837 km

• M1: 113,246 km (0.099 R)
• M2: 609,163 km (0.11 R)
• M3: 1,567,786 km (0.114 R)
• M4: 2,737,043 km (0.117 R)
• M5: 3,067,205 km (0.104 R)
• M6: 3,923,653 km (0.095 R)
• M7: 5,091,713 km (0.117 R)
• M8: 6,980,685 km (0.102 R)
• M9: 8,583,327 km (0.092 R)
• M10: 8,883,870 km (0.116 R)
• M11: 10,569,090 km (0.119 R)
• M12: 11,307,355 km (0.119 R)
• M13: 11,831,995 km (0.073 R)
• M14: 14,279,566 km (0.053 R)
• M15: 14,654,907 km (0.114 R)
• M16: 16,425,697 km (0.029 R)
• M17: 17,046,378 km (0.058 R)
• M18: 17,790,179 km (0.032 R)
• M19: 18,555,521 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.2

Radius: 4.2

Gravity: 43.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.28 AU - 11 AU

Year: 14940 Days

Day: 20 Hours

Environment

Temp: -205 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,910,837 km

• M1: 54,304 km (0.093 R)
• M2: 194,776 km (0.073 R)
• M3: 399,875 km (0.118 R)
• M4: 578,944 km (0.09 R)
• M5: 781,200 km (0.077 R)
• M6: 1,218,624 km (0.107 R)
• M7: 2,098,858 km (0.085 R)
• M8: 2,340,907 km (0.087 R)
• M9: 4,049,465 km (0.093 R)
• M10: 4,489,731 km (0.075 R)
• M11: 7,047,256 km (0.104 R)
• M12: 8,355,639 km (0.087 R)
• M13: 9,928,511 km (0.042 R)
• M14: 10,961,186 km (0.116 R)
• M15: 14,061,751 km (0.092 R)
• M16: 14,272,834 km (0.077 R)
• M17: 16,192,773 km (0.079 R)
• M18: 18,028,937 km (0.11 R)
• M19: 19,646,838 km (0.082 R)
• M20: 22,298,759 km (0.038 R)
• M21: 25,283,387 km (0.119 R)
• M22: 25,491,328 km (0.096 R)
• M23: 26,763,059 km (0.1 R)
• M24: 28,299,429 km (0.119 R)
• M25: 29,893,694 km (0.063 R)
• M26: 33,886,311 km (0.042 R)
• M27: 35,682,533 km (0.09 R)
• M28: 43,651,611 km (0.119 R)
• M29: 45,775,602 km (0.115 R)
• M30: 49,089,045 km (0.041 R)
• M31: 51,718,527 km (0.083 R)
• M32: 53,408,684 km (0.11 R)
• M33: 53,922,702 km (0.09 R)
• M34: 64,522,459 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 12,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit