🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.56 AU - 3.6 AU

Year: 2047 Days

Day: 22.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 76 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.14 AU - 5.22 AU

Year: 3237 Days

Day: 15.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 12

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.42 AU - 5.52 AU

Year: 4845 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,791,684 km

• M1: 149,598 km (0.086 R)
• M2: 794,065 km (0.072 R)
• M3: 1,270,236 km (0.102 R)
• M4: 2,272,392 km (0.108 R)
• M5: 3,523,628 km (0.074 R)
• M6: 4,959,469 km (0.066 R)
• M7: 5,499,667 km (0.098 R)
• M8: 6,052,730 km (0.106 R)
• M9: 7,844,464 km (0.109 R)
• M10: 10,713,601 km (0.077 R)
• M11: 11,821,972 km (0.094 R)
• M12: 14,312,477 km (0.079 R)
• M13: 15,755,049 km (0.097 R)
• M14: 18,042,999 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 13.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.4 AU - 6.7 AU

Year: 4952 Days

Day: 10 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,791,684 km

• M1: 172,935 km (0.072 R)
• M2: 600,187 km (0.113 R)
• M3: 1,189,752 km (0.116 R)
• M4: 1,803,253 km (0.052 R)
• M5: 2,826,353 km (0.107 R)
• M6: 3,416,965 km (0.087 R)
• M7: 5,483,360 km (0.117 R)
• M8: 6,097,160 km (0.116 R)
• M9: 9,428,256 km (0.12 R)
• M10: 10,384,336 km (0.115 R)
• M11: 11,678,956 km (0.117 R)
• M12: 12,324,321 km (0.088 R)
• M13: 14,449,808 km (0.05 R)
• M14: 15,052,538 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.5

Radius: 5.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.91 AU - 14.27 AU

Year: 15922 Days

Day: 20.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,791,684 km

• M1: 86,767 km (0.096 R)
• M2: 617,839 km (0.067 R)
• M3: 14,150,612 km (0.108 R)
• M4: 14,453,847 km (0.111 R)
• M5: 18,558,813 km (0.104 R)
• M6: 19,725,826 km (0.111 R)
• M7: 23,168,372 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.1

Radius: 5.4

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 10.74 AU - 16.44 AU

Year: 18975 Days

Day: 20 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,791,684 km

• M1: 73,303 km (0.098 R)
• M2: 848,818 km (0.063 R)
• M3: 1,033,572 km (0.078 R)
• M4: 1,326,784 km (0.097 R)
• M5: 1,501,065 km (0.065 R)
• M6: 1,757,326 km (0.083 R)
• M7: 3,212,165 km (0.104 R)
• M8: 3,501,937 km (0.086 R)
• M9: 3,924,999 km (0.11 R)
• M10: 4,103,470 km (0.1 R)
• M11: 5,733,338 km (0.111 R)
• M12: 6,524,711 km (0.074 R)
• M13: 9,125,171 km (0.062 R)
• M14: 9,598,947 km (0.11 R)
• M15: 16,019,389 km (0.116 R)
• M16: 19,318,620 km (0.089 R)
• M17: 20,541,583 km (0.096 R)
• M18: 21,815,109 km (0.038 R)
• M19: 24,119,515 km (0.068 R)
• M20: 24,820,980 km (0.079 R)
• M21: 27,437,446 km (0.108 R)
• M22: 28,422,698 km (0.031 R)
• M23: 29,205,095 km (0.066 R)
• M24: 37,036,244 km (0.112 R)
• M25: 40,021,320 km (0.027 R)
• M26: 44,196,148 km (0.057 R)
• M27: 46,311,462 km (0.115 R)
• M28: 47,083,087 km (0.116 R)
• M29: 59,163,415 km (0.085 R)
• M30: 62,664,154 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.3

Radius: 4.7

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 16.42 AU - 19.2 AU

Year: 28467 Days

Day: 19.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,791,684 km

• M1: 77,940 km (0.064 R)
• M2: 269,725 km (0.094 R)
• M3: 450,738 km (0.047 R)
• M4: 1,137,393 km (0.103 R)
• M5: 1,345,184 km (0.056 R)
• M6: 1,661,584 km (0.065 R)
• M7: 4,450,985 km (0.094 R)
• M8: 4,722,506 km (0.081 R)
• M9: 5,721,520 km (0.108 R)
• M10: 5,920,934 km (0.101 R)
• M11: 6,633,768 km (0.098 R)
• M12: 8,380,174 km (0.091 R)
• M13: 9,552,123 km (0.094 R)
• M14: 10,470,205 km (0.041 R)
• M15: 10,889,827 km (0.119 R)
• M16: 17,914,046 km (0.074 R)
• M17: 18,084,139 km (0.113 R)
• M18: 23,906,338 km (0.09 R)
• M19: 28,954,219 km (0.08 R)
• M20: 38,632,005 km (0.085 R)
• M21: 39,920,940 km (0.093 R)
• M22: 42,584,081 km (0.085 R)
• M23: 44,735,598 km (0.104 R)
• M24: 58,247,577 km (0.073 R)
• M25: 58,996,015 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 18,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit