🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 11.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.72 AU - 0.9 AU

Year: 503 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,431,500 km

• M1: 144,212 km (0.112 R)
• M2: 538,552 km (0.094 R)
• M3: 1,183,918 km (0.114 R)
• M4: 1,644,978 km (0.088 R)
• M5: 2,049,940 km (0.114 R)
• M6: 2,504,568 km (0.089 R)
• M7: 2,872,878 km (0.055 R)
• M8: 3,246,573 km (0.115 R)
• M9: 3,664,250 km (0.101 R)
• M10: 4,045,725 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.8

Radius: 9.9

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.93 AU - 1.35 AU

Year: 840 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 139.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,431,500 km

• M1: 123,418 km (0.1 R)
• M2: 492,027 km (0.109 R)
• M3: 985,700 km (0.077 R)
• M4: 2,084,796 km (0.063 R)
• M5: 2,864,799 km (0.083 R)
• M6: 3,720,050 km (0.072 R)
• M7: 4,182,457 km (0.078 R)
• M8: 4,558,397 km (0.057 R)
• M9: 7,986,731 km (0.118 R)
• M10: 8,300,288 km (0.036 R)
• M11: 9,376,346 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92

Radius: 9.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.28 AU - 1.58 AU

Year: 1180 Days

Day: 8.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,431,500 km

• M1: 114,442 km (0.039 R)
• M2: 543,489 km (0.065 R)
• M3: 1,719,777 km (0.086 R)
• M4: 2,637,111 km (0.114 R)
• M5: 3,486,528 km (0.086 R)
• M6: 4,088,659 km (0.057 R)
• M7: 4,788,478 km (0.096 R)
• M8: 5,223,060 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 9.6

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.42 AU - 2.06 AU

Year: 1584 Days

Day: 14.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,431,500 km

• M1: 119,977 km (0.087 R)
• M2: 560,394 km (0.119 R)
• M3: 945,010 km (0.112 R)
• M4: 1,267,842 km (0.089 R)
• M5: 2,087,788 km (0.06 R)
• M6: 2,607,640 km (0.075 R)
• M7: 3,400,509 km (0.097 R)
• M8: 4,921,920 km (0.05 R)
• M9: 6,372,420 km (0.11 R)
• M10: 8,059,884 km (0.086 R)
• M11: 8,532,015 km (0.118 R)
• M12: 9,434,839 km (0.106 R)
• M13: 10,060,158 km (0.046 R)
• M14: 11,466,527 km (0.095 R)
• M15: 13,362,680 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 12.5

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.15 AU - 6.23 AU

Year: 8161 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,431,500 km

• M1: 162,463 km (0.114 R)
• M2: 781,350 km (0.084 R)
• M3: 1,416,841 km (0.079 R)
• M4: 3,821,328 km (0.043 R)
• M5: 4,280,893 km (0.081 R)
• M6: 6,443,928 km (0.069 R)
• M7: 11,732,662 km (0.117 R)
• M8: 21,121,424 km (0.089 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: 507 - 16,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit