🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 12.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,240,841 km

• M1: 150,495 km (0.103 R)
• M2: 542,143 km (0.082 R)
• M3: 984,504 km (0.09 R)
• M4: 1,360,742 km (0.079 R)
• M5: 1,859,202 km (0.102 R)
• M6: 2,332,081 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.9

Radius: 10

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,240,841 km

• M1: 125,064 km (0.111 R)
• M2: 446,699 km (0.11 R)
• M3: 788,979 km (0.103 R)
• M4: 1,111,512 km (0.109 R)
• M5: 1,729,651 km (0.089 R)
• M6: 2,298,870 km (0.102 R)
• M7: 2,938,401 km (0.114 R)
• M8: 3,860,074 km (0.062 R)
• M9: 4,434,829 km (0.119 R)
• M10: 4,877,639 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.31 AU - 3.75 AU

Year: 4578 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,240,841 km

• M1: 112,049 km (0.065 R)
• M2: 446,849 km (0.043 R)
• M3: 766,091 km (0.058 R)
• M4: 1,146,368 km (0.072 R)
• M5: 2,397,455 km (0.078 R)
• M6: 3,967,186 km (0.074 R)
• M7: 4,932,541 km (0.117 R)
• M8: 5,546,640 km (0.081 R)
• M9: 5,859,150 km (0.078 R)
• M10: 6,183,329 km (0.106 R)
• M11: 6,897,509 km (0.039 R)
• M12: 7,382,655 km (0.069 R)
• M13: 7,665,544 km (0.108 R)
• M14: 8,320,185 km (0.105 R)
• M15: 8,765,238 km (0.03 R)
• M16: 9,628,717 km (0.064 R)
• M17: 12,164,700 km (0.094 R)
• M18: 13,516,018 km (0.082 R)
• M19: 14,667,024 km (0.106 R)
• M20: 15,115,070 km (0.087 R)
• M21: 15,934,268 km (0.112 R)
• M22: 18,339,353 km (0.116 R)
• M23: 18,627,179 km (0.077 R)
• M24: 19,093,924 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.9

Radius: 4.9

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.03 AU - 8.43 AU

Year: 16297 Days

Day: 16.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,240,841 km

• M1: 71,657 km (0.057 R)
• M2: 1,141,581 km (0.084 R)
• M3: 1,334,862 km (0.119 R)
• M4: 1,650,813 km (0.111 R)
• M5: 2,189,664 km (0.088 R)
• M6: 2,489,757 km (0.107 R)
• M7: 3,482,040 km (0.073 R)
• M8: 3,971,225 km (0.114 R)
• M9: 5,278,710 km (0.098 R)
• M10: 7,614,532 km (0.073 R)
• M11: 19,806,160 km (0.092 R)
• M12: 22,107,573 km (0.085 R)
• M13: 28,024,618 km (0.087 R)
• M14: 29,240,250 km (0.094 R)
• M15: 30,174,788 km (0.118 R)
• M16: 36,085,250 km (0.034 R)
• M17: 38,873,755 km (0.073 R)
• M18: 40,129,778 km (0.118 R)
• M19: 42,195,276 km (0.111 R)
• M20: 46,257,008 km (0.104 R)
• M21: 46,817,551 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 16,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit