🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 12

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.99 AU - 0.99 AU

Year: 657 Days

Day: 13.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,222,645 km

• M1: 149,598 km (0.095 R)
• M2: 617,241 km (0.085 R)
• M3: 1,064,838 km (0.112 R)
• M4: 2,158,847 km (0.1 R)
• M5: 2,936,905 km (0.118 R)
• M6: 3,385,101 km (0.071 R)
• M7: 4,244,989 km (0.113 R)
• M8: 4,684,657 km (0.06 R)
• M9: 5,373,556 km (0.106 R)
• M10: 5,869,622 km (0.071 R)
• M11: 6,522,018 km (0.096 R)
• M12: 7,779,688 km (0.065 R)
• M13: 8,216,513 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.4

Radius: 8.6

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.9 AU - 1.11 AU

Year: 667 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,222,645 km

• M1: 107,112 km (0.085 R)
• M2: 527,482 km (0.092 R)
• M3: 932,294 km (0.1 R)
• M4: 1,358,349 km (0.043 R)
• M5: 1,708,856 km (0.092 R)
• M6: 2,100,354 km (0.113 R)
• M7: 2,508,607 km (0.094 R)
• M8: 2,828,597 km (0.087 R)
• M9: 3,226,078 km (0.117 R)
• M10: 3,942,353 km (0.09 R)
• M11: 4,223,597 km (0.108 R)
• M12: 4,518,304 km (0.116 R)
• M13: 4,977,570 km (0.077 R)
• M14: 5,485,904 km (0.117 R)
• M15: 5,780,911 km (0.113 R)
• M16: 6,086,539 km (0.027 R)
• M17: 6,668,026 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 14.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.64 AU - 1.72 AU

Year: 1452 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,222,645 km

• M1: 180,265 km (0.107 R)
• M2: 746,942 km (0.078 R)
• M3: 1,210,845 km (0.1 R)
• M4: 1,682,228 km (0.045 R)
• M5: 2,546,455 km (0.087 R)
• M6: 3,387,943 km (0.106 R)
• M7: 4,446,049 km (0.115 R)
• M8: 5,093,658 km (0.12 R)
• M9: 5,692,049 km (0.118 R)
• M10: 6,752,399 km (0.106 R)
• M11: 7,369,790 km (0.074 R)
• M12: 8,080,828 km (0.101 R)
• M13: 8,957,920 km (0.053 R)
• M14: 10,159,191 km (0.094 R)
• M15: 11,041,071 km (0.118 R)
• M16: 12,233,515 km (0.118 R)
• M17: 13,470,091 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 11.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.6 AU - 3.16 AU

Year: 3259 Days

Day: 6.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,222,645 km

• M1: 143,016 km (0.087 R)
• M2: 715,676 km (0.074 R)
• M3: 1,216,679 km (0.107 R)
• M4: 1,874,162 km (0.11 R)
• M5: 3,265,572 km (0.07 R)
• M6: 3,717,208 km (0.083 R)
• M7: 5,796,469 km (0.102 R)
• M8: 6,234,641 km (0.113 R)
• M9: 7,523,277 km (0.055 R)
• M10: 8,767,782 km (0.073 R)
• M11: 9,309,625 km (0.103 R)
• M12: 9,835,462 km (0.098 R)
• M13: 10,341,402 km (0.05 R)
• M14: 12,767,879 km (0.053 R)
• M15: 14,383,835 km (0.111 R)
• M16: 15,344,104 km (0.046 R)
• M17: 16,025,373 km (0.101 R)
• M18: 16,836,492 km (0.11 R)
• M19: 18,017,717 km (0.087 R)
• M20: 19,555,882 km (0.075 R)
• M21: 21,502,001 km (0.079 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 10,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit