🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 10.2

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.63 AU - 0.75 AU

Year: 370 Days

Day: 13.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 57,211,338 km

• M1: 127,158 km (0.097 R)
• M2: 1,029,981 km (0.104 R)
• M3: 1,961,228 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 9.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.6 AU - 0.86 AU

Year: 403 Days

Day: 6.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,211,338 km

• M1: 116,836 km (0.094 R)
• M2: 563,236 km (0.098 R)
• M3: 1,275,322 km (0.101 R)
• M4: 1,601,146 km (0.101 R)
• M5: 2,072,678 km (0.103 R)
• M6: 3,487,725 km (0.108 R)
• M7: 3,919,015 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.9

Radius: 11.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.46 AU - 1.74 AU

Year: 1307 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,211,338 km

• M1: 145,409 km (0.076 R)
• M2: 563,386 km (0.08 R)
• M3: 1,421,329 km (0.108 R)
• M4: 2,075,521 km (0.069 R)
• M5: 2,627,687 km (0.092 R)
• M6: 4,132,492 km (0.076 R)
• M7: 4,533,563 km (0.099 R)
• M8: 5,689,057 km (0.075 R)
• M9: 7,270,756 km (0.112 R)
• M10: 7,788,664 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.5

Radius: 11.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.49 AU - 2.11 AU

Year: 1559 Days

Day: 8.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,211,338 km

• M1: 138,528 km (0.054 R)
• M2: 485,295 km (0.037 R)
• M3: 842,386 km (0.074 R)
• M4: 1,792,930 km (0.082 R)
• M5: 2,398,203 km (0.066 R)
• M6: 3,422,650 km (0.079 R)
• M7: 5,379,390 km (0.083 R)
• M8: 6,186,470 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.7

Radius: 3.8

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 9.05 AU - 13.47 AU

Year: 24396 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,211,338 km

• M1: 72,405 km (0.086 R)
• M2: 240,254 km (0.083 R)
• M3: 1,885,532 km (0.078 R)
• M4: 2,027,799 km (0.073 R)
• M5: 2,333,876 km (0.082 R)
• M6: 4,373,793 km (0.046 R)
• M7: 4,883,622 km (0.094 R)
• M8: 7,719,699 km (0.112 R)
• M9: 10,467,363 km (0.047 R)
• M10: 22,376,550 km (0.073 R)
• M11: 33,446,942 km (0.056 R)
• M12: 46,773,270 km (0.076 R)
• M13: 55,513,526 km (0.087 R)
• M14: 57,040,023 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 16,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit