🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.46 AU - 0.72 AU

Year: 297 Days

Day: 27.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.6

Radius: 9.6

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.04 AU - 1.12 AU

Year: 736 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,118,535 km

• M1: 119,379 km (0.072 R)
• M2: 523,593 km (0.118 R)
• M3: 1,117,496 km (0.077 R)
• M4: 1,417,141 km (0.113 R)
• M5: 2,175,303 km (0.051 R)
• M6: 2,506,961 km (0.079 R)
• M7: 3,144,248 km (0.091 R)
• M8: 3,945,345 km (0.053 R)
• M9: 4,378,131 km (0.117 R)
• M10: 4,773,967 km (0.113 R)
• M11: 5,175,787 km (0.03 R)
• M12: 6,007,551 km (0.106 R)
• M13: 6,838,567 km (0.084 R)
• M14: 7,191,768 km (0.059 R)
• M15: 7,557,086 km (0.098 R)
• M16: 8,226,387 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 12.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.79 AU - 2.11 AU

Year: 1786 Days

Day: 8 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,118,535 km

• M1: 157,527 km (0.107 R)
• M2: 646,562 km (0.087 R)
• M3: 1,148,014 km (0.032 R)
• M4: 2,611,829 km (0.056 R)
• M5: 3,573,893 km (0.071 R)
• M6: 4,006,081 km (0.103 R)
• M7: 5,347,525 km (0.086 R)
• M8: 6,075,469 km (0.088 R)
• M9: 9,792,527 km (0.094 R)
• M10: 10,311,632 km (0.086 R)
• M11: 11,194,109 km (0.108 R)
• M12: 11,725,780 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 13.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.19 AU - 5.27 AU

Year: 7846 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,118,535 km

• M1: 167,849 km (0.111 R)
• M2: 588,069 km (0.079 R)
• M3: 1,334,114 km (0.106 R)
• M4: 3,136,469 km (0.112 R)
• M5: 3,597,530 km (0.117 R)
• M6: 5,582,693 km (0.072 R)
• M7: 6,139,048 km (0.047 R)
• M8: 8,369,103 km (0.075 R)
• M9: 8,808,921 km (0.089 R)
• M10: 10,364,290 km (0.086 R)
• M11: 13,925,767 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.1

Radius: 9.3

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.02 AU - 6.66 AU

Year: 8095 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,118,535 km

• M1: 117,135 km (0.069 R)
• M2: 422,315 km (0.076 R)
• M3: 934,538 km (0.078 R)
• M4: 1,465,012 km (0.102 R)
• M5: 1,875,808 km (0.112 R)
• M6: 2,766,214 km (0.044 R)
• M7: 3,238,046 km (0.078 R)
• M8: 4,370,801 km (0.05 R)
• M9: 8,179,264 km (0.034 R)
• M10: 8,612,649 km (0.041 R)
• M11: 16,884,214 km (0.118 R)
• M12: 25,458,266 km (0.094 R)
• M13: 27,909,128 km (0.054 R)
• M14: 33,384,410 km (0.044 R)
• M15: 38,925,067 km (0.1 R)
• M16: 39,535,276 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 10,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit