🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.1

Radius: 12.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.74 AU - 1.04 AU

Year: 560 Days

Day: 11.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,750,940 km

• M1: 151,692 km (0.068 R)
• M2: 565,480 km (0.111 R)
• M3: 961,017 km (0.091 R)
• M4: 1,434,943 km (0.117 R)
• M5: 2,216,592 km (0.048 R)
• M6: 2,719,091 km (0.083 R)
• M7: 3,943,549 km (0.09 R)
• M8: 4,618,086 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 8.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.29 AU - 1.79 AU

Year: 1274 Days

Day: 6.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,750,940 km

• M1: 103,372 km (0.074 R)
• M2: 443,258 km (0.062 R)
• M3: 863,629 km (0.066 R)
• M4: 1,568,234 km (0.099 R)
• M5: 2,477,191 km (0.112 R)
• M6: 3,376,274 km (0.116 R)
• M7: 3,685,942 km (0.093 R)
• M8: 3,983,941 km (0.1 R)
• M9: 4,330,410 km (0.117 R)
• M10: 4,696,775 km (0.108 R)
• M11: 4,976,224 km (0.104 R)
• M12: 5,416,191 km (0.096 R)
• M13: 5,743,361 km (0.027 R)
• M14: 6,416,253 km (0.038 R)
• M15: 6,848,890 km (0.093 R)
• M16: 7,558,133 km (0.098 R)
• M17: 7,942,749 km (0.107 R)
• M18: 8,315,248 km (0.109 R)
• M19: 8,621,475 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.55 AU - 2.19 AU

Year: 1705 Days

Day: 12.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,750,940 km

• M1: 112,049 km (0.117 R)
• M2: 666,159 km (0.072 R)
• M3: 1,676,992 km (0.079 R)
• M4: 4,011,168 km (0.089 R)
• M5: 4,545,382 km (0.098 R)
• M6: 5,424,568 km (0.116 R)
• M7: 5,904,778 km (0.114 R)
• M8: 6,878,360 km (0.119 R)
• M9: 7,491,712 km (0.073 R)
• M10: 8,087,710 km (0.074 R)
• M11: 8,770,923 km (0.099 R)
• M12: 9,228,094 km (0.102 R)
• M13: 9,551,525 km (0.096 R)
• M14: 10,035,474 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.5

Radius: 7.3

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.08 AU - 8.18 AU

Year: 11384 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,750,940 km

• M1: 90,806 km (0.098 R)
• M2: 354,098 km (0.064 R)
• M3: 748,289 km (0.073 R)
• M4: 1,484,310 km (0.098 R)
• M5: 3,827,462 km (0.099 R)
• M6: 4,248,430 km (0.082 R)
• M7: 5,083,934 km (0.064 R)
• M8: 5,488,596 km (0.097 R)
• M9: 7,975,062 km (0.104 R)
• M10: 14,485,861 km (0.076 R)
• M11: 17,692,791 km (0.108 R)
• M12: 21,343,577 km (0.084 R)
• M13: 31,750,652 km (0.081 R)
• M14: 34,648,213 km (0.068 R)
• M15: 35,368,976 km (0.105 R)
• M16: 38,994,181 km (0.119 R)
• M17: 41,904,159 km (0.086 R)
• M18: 49,502,534 km (0.105 R)
• M19: 50,416,577 km (0.111 R)
• M20: 51,808,735 km (0.097 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: 472 - 11,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit