🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 9.3

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.58 AU - 0.94 AU

Year: 421 Days

Day: 7.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,635,225 km

• M1: 115,639 km (0.107 R)
• M2: 430,543 km (0.101 R)
• M3: 730,636 km (0.109 R)
• M4: 1,086,230 km (0.051 R)
• M5: 1,888,524 km (0.08 R)
• M6: 2,186,971 km (0.12 R)
• M7: 2,575,627 km (0.101 R)
• M8: 3,042,970 km (0.117 R)
• M9: 3,640,015 km (0.094 R)
• M10: 4,134,137 km (0.086 R)
• M11: 4,731,631 km (0.112 R)
• M12: 5,467,503 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 13.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.7 AU - 0.9 AU

Year: 455 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,635,225 km

• M1: 172,935 km (0.056 R)
• M2: 639,381 km (0.047 R)
• M3: 1,156,691 km (0.048 R)
• M4: 1,770,341 km (0.087 R)
• M5: 2,271,644 km (0.05 R)
• M6: 2,966,227 km (0.029 R)
• M7: 3,542,926 km (0.107 R)
• M8: 4,027,474 km (0.096 R)
• M9: 4,646,360 km (0.113 R)
• M10: 5,099,043 km (0.094 R)
• M11: 6,094,168 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 12.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.65 AU - 2.23 AU

Year: 1718 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,635,225 km

• M1: 157,975 km (0.103 R)
• M2: 571,015 km (0.066 R)
• M3: 1,068,578 km (0.085 R)
• M4: 1,495,231 km (0.062 R)
• M5: 2,037,673 km (0.118 R)
• M6: 2,552,140 km (0.106 R)
• M7: 2,988,517 km (0.09 R)
• M8: 3,710,775 km (0.056 R)
• M9: 4,201,007 km (0.093 R)
• M10: 5,808,736 km (0.105 R)
• M11: 6,258,726 km (0.076 R)
• M12: 7,144,196 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 12.9

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.54 AU - 3.94 AU

Year: 3708 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,635,225 km

• M1: 160,668 km (0.045 R)
• M2: 773,571 km (0.079 R)
• M3: 1,523,056 km (0.068 R)
• M4: 1,990,699 km (0.075 R)
• M5: 2,775,340 km (0.05 R)
• M6: 4,831,862 km (0.119 R)
• M7: 5,441,473 km (0.113 R)
• M8: 5,907,770 km (0.074 R)
• M9: 7,813,048 km (0.09 R)
• M10: 8,286,974 km (0.091 R)
• M11: 8,938,024 km (0.105 R)
• M12: 10,133,461 km (0.112 R)
• M13: 15,073,033 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 12

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.19 AU - 6.31 AU

Year: 7648 Days

Day: 8.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,635,225 km

• M1: 165,455 km (0.066 R)
• M2: 606,021 km (0.103 R)
• M3: 1,034,020 km (0.099 R)
• M4: 1,469,949 km (0.069 R)
• M5: 2,013,737 km (0.083 R)
• M6: 2,768,608 km (0.057 R)
• M7: 4,751,079 km (0.086 R)
• M8: 5,423,521 km (0.046 R)
• M9: 6,228,507 km (0.119 R)
• M10: 6,623,296 km (0.109 R)
• M11: 7,344,807 km (0.064 R)
• M12: 8,989,785 km (0.073 R)
• M13: 11,126,641 km (0.051 R)
• M14: 11,763,928 km (0.088 R)
• M15: 12,481,549 km (0.092 R)
• M16: 13,762,406 km (0.093 R)
• M17: 15,451,814 km (0.11 R)
• M18: 18,715,890 km (0.11 R)
• M19: 23,345,197 km (0.112 R)
• M20: 25,103,869 km (0.103 R)
• M21: 31,116,507 km (0.088 R)
• M22: 33,027,171 km (0.072 R)
• M23: 34,232,630 km (0.083 R)
• M24: 37,550,861 km (0.12 R)
• M25: 39,592,722 km (0.119 R)
• M26: 41,961,156 km (0.088 R)
• M27: 43,374,855 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 16,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit