🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.45 AU - 0.63 AU

Year: 167 Days

Day: 19.5 Hours

Environment

Temp: 163 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.67 AU - 0.83 AU

Year: 274 Days

Day: 13.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.85 AU - 1.19 AU

Year: 434 Days

Day: 45.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 170.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.9 AU - 1.42 AU

Year: 527 Days

Day: 36.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,598,769 km

• M1: 280,795 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.86 AU - 2.96 AU

Year: 2094 Days

Day: 15.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,598,769 km

• M1: 948,151 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.66 AU - 7.48 AU

Year: 7102 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 15,598,769 km

• M1: 114,442 km (0.1 R)
• M2: 180,565 km (0.053 R)
• M3: 306,227 km (0.107 R)
• M4: 468,989 km (0.091 R)
• M5: 1,057,059 km (0.062 R)
• M6: 1,140,534 km (0.039 R)
• M7: 1,374,356 km (0.102 R)
• M8: 1,466,059 km (0.109 R)
• M9: 1,645,128 km (0.09 R)
• M10: 1,798,017 km (0.044 R)
• M11: 1,955,543 km (0.077 R)
• M12: 2,165,130 km (0.047 R)
• M13: 2,580,713 km (0.091 R)
• M14: 2,643,993 km (0.056 R)
• M15: 2,707,721 km (0.105 R)
• M16: 2,915,363 km (0.052 R)
• M17: 3,209,323 km (0.086 R)
• M18: 3,513,007 km (0.086 R)
• M19: 3,754,009 km (0.106 R)
• M20: 4,297,199 km (0.043 R)
• M21: 4,662,816 km (0.067 R)
• M22: 4,943,611 km (0.062 R)
• M23: 5,213,935 km (0.059 R)
• M24: 5,294,418 km (0.109 R)
• M25: 5,538,113 km (0.044 R)
• M26: 6,121,246 km (0.082 R)
• M27: 6,394,411 km (0.065 R)
• M28: 6,706,473 km (0.085 R)
• M29: 8,115,684 km (0.093 R)
• M30: 8,283,982 km (0.043 R)
• M31: 8,567,171 km (0.091 R)
• M32: 9,240,361 km (0.095 R)
• M33: 10,842,106 km (0.071 R)
• M34: 11,928,485 km (0.106 R)
• M35: 12,184,148 km (0.086 R)
• M36: 12,679,168 km (0.114 R)
• M37: 12,831,159 km (0.077 R)
• M38: 13,290,724 km (0.086 R)
• M39: 13,400,977 km (0.091 R)
• M40: 15,228,614 km (0.027 R)
• M41: 15,297,729 km (0.11 R)
• M42: 15,390,180 km (0.028 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit