🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 10.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.73 AU - 0.99 AU

Year: 551 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,464,097 km

• M1: 131,796 km (0.054 R)
• M2: 606,769 km (0.104 R)
• M3: 984,354 km (0.069 R)
• M4: 1,425,369 km (0.054 R)
• M5: 2,168,571 km (0.08 R)
• M6: 2,919,103 km (0.101 R)
• M7: 3,311,798 km (0.052 R)
• M8: 4,153,734 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.4

Radius: 10.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.03 AU - 1.48 AU

Year: 965 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,464,097 km

• M1: 138,976 km (0.07 R)
• M2: 593,904 km (0.075 R)
• M3: 923,318 km (0.098 R)
• M4: 1,472,342 km (0.119 R)
• M5: 1,838,558 km (0.03 R)
• M6: 2,801,370 km (0.07 R)
• M7: 3,215,756 km (0.081 R)
• M8: 4,140,420 km (0.109 R)
• M9: 5,366,076 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 12.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.94 AU - 3.66 AU

Year: 4138 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 173.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,464,097 km

• M1: 153,188 km (0.096 R)
• M2: 882,927 km (0.088 R)
• M3: 1,315,414 km (0.098 R)
• M4: 1,706,164 km (0.105 R)
• M5: 3,266,470 km (0.06 R)
• M6: 4,087,463 km (0.112 R)
• M7: 4,939,722 km (0.102 R)
• M8: 5,516,721 km (0.11 R)
• M9: 5,935,445 km (0.106 R)
• M10: 7,157,809 km (0.092 R)
• M11: 8,144,108 km (0.088 R)
• M12: 8,875,791 km (0.117 R)
• M13: 10,810,840 km (0.028 R)
• M14: 12,483,643 km (0.116 R)
• M15: 14,167,367 km (0.085 R)
• M16: 15,885,947 km (0.111 R)
• M17: 18,286,096 km (0.093 R)
• M18: 23,867,592 km (0.066 R)
• M19: 24,608,551 km (0.064 R)
• M20: 25,364,917 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.5

Radius: 7.5

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.7 AU - 9.5 AU

Year: 18948 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,464,097 km

• M1: 95,443 km (0.074 R)
• M2: 347,665 km (0.105 R)
• M3: 618,438 km (0.108 R)
• M4: 1,285,195 km (0.118 R)
• M5: 2,338,664 km (0.103 R)
• M6: 3,465,285 km (0.102 R)
• M7: 4,196,519 km (0.09 R)
• M8: 4,461,756 km (0.081 R)
• M9: 4,773,668 km (0.054 R)
• M10: 5,137,340 km (0.117 R)
• M11: 5,480,219 km (0.09 R)
• M12: 12,496,808 km (0.092 R)
• M13: 14,647,427 km (0.118 R)
• M14: 16,701,106 km (0.053 R)
• M15: 18,406,223 km (0.116 R)
• M16: 21,467,893 km (0.072 R)
• M17: 22,358,449 km (0.114 R)
• M18: 24,745,732 km (0.058 R)
• M19: 26,279,260 km (0.113 R)
• M20: 32,273,497 km (0.099 R)
• M21: 32,918,712 km (0.093 R)
• M22: 37,536,948 km (0.114 R)
• M23: 43,815,421 km (0.098 R)
• M24: 46,217,215 km (0.12 R)
• M25: 55,221,960 km (0.071 R)
• M26: 66,776,600 km (0.12 R)
• M27: 73,225,465 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit