🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 13.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.81 AU - 1.19 AU

Year: 690 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,611,285 km

• M1: 173,085 km (0.118 R)
• M2: 690,843 km (0.109 R)
• M3: 1,277,865 km (0.09 R)
• M4: 1,787,246 km (0.111 R)
• M5: 2,369,032 km (0.045 R)
• M6: 3,088,747 km (0.095 R)
• M7: 3,980,799 km (0.069 R)
• M8: 4,723,553 km (0.111 R)
• M9: 5,556,963 km (0.119 R)
• M10: 6,090,429 km (0.099 R)
• M11: 6,723,377 km (0.095 R)
• M12: 7,446,533 km (0.118 R)
• M13: 7,924,498 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 14.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.65 AU - 2.15 AU

Year: 1808 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,611,285 km

• M1: 179,069 km (0.113 R)
• M2: 899,083 km (0.095 R)
• M3: 1,791,883 km (0.056 R)
• M4: 2,538,377 km (0.109 R)
• M5: 3,692,823 km (0.116 R)
• M6: 4,657,431 km (0.089 R)
• M7: 5,190,897 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 10.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.08 AU - 2.94 AU

Year: 2745 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,611,285 km

• M1: 133,142 km (0.087 R)
• M2: 524,789 km (0.031 R)
• M3: 989,141 km (0.099 R)
• M4: 1,328,130 km (0.071 R)
• M5: 2,408,825 km (0.097 R)
• M6: 3,073,488 km (0.054 R)
• M7: 3,505,826 km (0.113 R)
• M8: 4,019,844 km (0.117 R)
• M9: 4,360,778 km (0.105 R)
• M10: 5,150,056 km (0.088 R)
• M11: 5,579,103 km (0.062 R)
• M12: 6,197,690 km (0.092 R)
• M13: 6,951,364 km (0.114 R)
• M14: 7,413,173 km (0.044 R)
• M15: 8,194,971 km (0.093 R)
• M16: 8,605,917 km (0.102 R)
• M17: 9,432,295 km (0.108 R)
• M18: 9,845,784 km (0.088 R)
• M19: 11,707,978 km (0.04 R)
• M20: 13,986,503 km (0.117 R)
• M21: 14,475,389 km (0.117 R)
• M22: 14,874,666 km (0.081 R)
• M23: 17,765,346 km (0.089 R)
• M24: 18,513,634 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.3

Radius: 6.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.49 AU - 11.91 AU

Year: 20853 Days

Day: 24.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,611,285 km

• M1: 78,539 km (0.105 R)
• M2: 277,803 km (0.104 R)
• M3: 504,893 km (0.07 R)
• M4: 1,399,787 km (0.083 R)
• M5: 3,491,166 km (0.11 R)
• M6: 3,915,126 km (0.112 R)
• M7: 4,492,574 km (0.084 R)
• M8: 5,225,154 km (0.104 R)
• M9: 7,379,962 km (0.088 R)
• M10: 16,378,723 km (0.102 R)
• M11: 20,937,419 km (0.029 R)
• M12: 22,867,082 km (0.085 R)
• M13: 25,007,977 km (0.053 R)
• M14: 25,782,894 km (0.055 R)
• M15: 32,454,211 km (0.086 R)
• M16: 35,030,585 km (0.078 R)
• M17: 43,294,970 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 10,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit