🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.78 AU - 2.64 AU

Year: 1225 Days

Day: 20.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.31 AU - 2.59 AU

Year: 1430 Days

Day: 17.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.1

Radius: 14.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.13 AU - 10.35 AU

Year: 12215 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,819,366 km

• M1: 185,501 km (0.066 R)
• M2: 1,153,250 km (0.072 R)
• M3: 2,112,172 km (0.089 R)
• M4: 3,150,980 km (0.095 R)
• M5: 3,941,605 km (0.056 R)
• M6: 5,164,268 km (0.071 R)
• M7: 7,566,361 km (0.108 R)
• M8: 9,923,425 km (0.083 R)
• M9: 10,751,300 km (0.102 R)
• M10: 11,269,956 km (0.108 R)
• M11: 14,255,630 km (0.053 R)
• M12: 17,339,590 km (0.111 R)
• M13: 18,054,219 km (0.103 R)
• M14: 19,798,381 km (0.076 R)
• M15: 21,471,184 km (0.058 R)
• M16: 22,575,067 km (0.095 R)
• M17: 23,910,527 km (0.054 R)
• M18: 26,633,807 km (0.044 R)
• M19: 28,233,157 km (0.108 R)
• M20: 29,111,895 km (0.095 R)
• M21: 30,464,110 km (0.072 R)
• M22: 32,331,690 km (0.116 R)
• M23: 32,810,254 km (0.096 R)
• M24: 36,165,584 km (0.079 R)
• M25: 37,071,549 km (0.106 R)
• M26: 46,675,732 km (0.101 R)
• M27: 53,201,940 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.5

Radius: 5.4

Gravity: 25.7 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 11.98 AU - 16.62 AU

Year: 20159 Days

Day: 18.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,819,366 km

• M1: 67,169 km (0.03 R)
• M2: 283,189 km (0.116 R)
• M3: 503,846 km (0.058 R)
• M4: 917,185 km (0.114 R)
• M5: 2,193,404 km (0.093 R)
• M6: 2,599,562 km (0.12 R)
• M7: 3,027,861 km (0.102 R)
• M8: 3,680,556 km (0.11 R)
• M9: 4,422,711 km (0.086 R)
• M10: 4,702,759 km (0.108 R)
• M11: 5,337,502 km (0.091 R)
• M12: 5,818,759 km (0.094 R)
• M13: 6,328,439 km (0.113 R)
• M14: 6,960,191 km (0.086 R)
• M15: 7,339,571 km (0.117 R)
• M16: 9,163,169 km (0.05 R)
• M17: 9,446,208 km (0.059 R)
• M18: 10,886,835 km (0.08 R)
• M19: 12,330,455 km (0.03 R)
• M20: 13,603,084 km (0.088 R)
• M21: 13,971,544 km (0.103 R)
• M22: 15,116,865 km (0.113 R)
• M23: 23,331,284 km (0.074 R)
• M24: 26,963,520 km (0.065 R)
• M25: 29,706,846 km (0.042 R)
• M26: 31,209,407 km (0.031 R)
• M27: 31,979,387 km (0.112 R)
• M28: 32,893,580 km (0.107 R)
• M29: 33,959,614 km (0.088 R)
• M30: 35,324,246 km (0.068 R)
• M31: 42,699,122 km (0.059 R)
• M32: 45,096,577 km (0.052 R)
• M33: 45,750,769 km (0.109 R)
• M34: 49,462,292 km (0.092 R)
• M35: 49,809,359 km (0.105 R)
• M36: 59,412,495 km (0.05 R)
• M37: 68,874,710 km (0.066 R)
• M38: 71,498,507 km (0.084 R)
• M39: 76,712,143 km (0.081 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: 427 - 20,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit