🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.54 AU - 0.58 AU

Year: 271 Days

Day: 38.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.56 AU - 0.68 AU

Year: 315 Days

Day: 22.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,458,758 km

• M1: 243,545 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 14.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.72 AU - 1.12 AU

Year: 570 Days

Day: 9.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,458,758 km

• M1: 188,942 km (0.111 R)
• M2: 712,983 km (0.081 R)
• M3: 1,231,041 km (0.075 R)
• M4: 2,218,237 km (0.06 R)
• M5: 2,769,057 km (0.052 R)
• M6: 3,475,757 km (0.091 R)
• M7: 4,285,829 km (0.092 R)
• M8: 4,998,663 km (0.09 R)
• M9: 6,052,281 km (0.1 R)
• M10: 7,036,037 km (0.112 R)

Asteroid Belt

Center: 1.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 9.4

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.78 AU - 2.42 AU

Year: 1965 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,458,758 km

• M1: 117,135 km (0.11 R)
• M2: 414,386 km (0.036 R)
• M3: 785,688 km (0.112 R)
• M4: 1,790,836 km (0.074 R)
• M5: 2,267,605 km (0.116 R)
• M6: 2,617,514 km (0.118 R)
• M7: 3,801,431 km (0.046 R)
• M8: 4,673,288 km (0.095 R)
• M9: 5,466,905 km (0.079 R)
• M10: 6,076,516 km (0.068 R)
• M11: 6,372,720 km (0.092 R)
• M12: 6,756,737 km (0.087 R)
• M13: 7,914,625 km (0.083 R)
• M14: 8,602,326 km (0.1 R)
• M15: 10,690,264 km (0.091 R)
• M16: 14,445,769 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.7

Radius: 13.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.8 AU - 5.3 AU

Year: 6267 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,458,758 km

• M1: 164,109 km (0.077 R)
• M2: 592,258 km (0.112 R)
• M3: 1,189,752 km (0.045 R)
• M4: 1,655,749 km (0.054 R)
• M5: 2,232,000 km (0.04 R)
• M6: 2,753,798 km (0.113 R)
• M7: 3,185,537 km (0.064 R)
• M8: 4,126,807 km (0.106 R)
• M9: 4,718,317 km (0.092 R)
• M10: 6,810,593 km (0.107 R)
• M11: 7,639,215 km (0.119 R)
• M12: 8,142,313 km (0.081 R)
• M13: 11,437,505 km (0.071 R)
• M14: 14,656,103 km (0.095 R)
• M15: 16,241,093 km (0.107 R)
• M16: 18,102,689 km (0.099 R)
• M17: 18,942,531 km (0.068 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: 209 - 14,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit