🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.49 AU - 1.73 AU

Year: 735 Days

Day: 23.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.61 AU - 2.15 AU

Year: 928 Days

Day: 45.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.89 AU - 2.73 AU

Year: 1264 Days

Day: 27.1 Hours

Environment

Temp: -77 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,139,680 km

• M1: 237,861 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.58 AU - 2.76 AU

Year: 1570 Days

Day: 31.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 12.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.6

Radius: 6.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 11.5 AU - 14.34 AU

Year: 16713 Days

Day: 15.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 148.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,139,680 km

• M1: 84,523 km (0.09 R)
• M2: 300,692 km (0.088 R)
• M3: 592,108 km (0.12 R)
• M4: 847,622 km (0.102 R)
• M5: 1,471,445 km (0.099 R)
• M6: 1,715,588 km (0.091 R)
• M7: 2,406,880 km (0.099 R)
• M8: 2,703,832 km (0.105 R)
• M9: 3,073,189 km (0.076 R)
• M10: 5,445,662 km (0.12 R)
• M11: 7,040,973 km (0.107 R)
• M12: 8,247,630 km (0.069 R)
• M13: 8,776,608 km (0.085 R)
• M14: 9,074,607 km (0.113 R)
• M15: 10,444,774 km (0.063 R)
• M16: 11,063,959 km (0.11 R)
• M17: 11,411,774 km (0.086 R)
• M18: 12,129,545 km (0.1 R)
• M19: 13,588,723 km (0.092 R)
• M20: 13,920,680 km (0.116 R)
• M21: 15,232,205 km (0.072 R)
• M22: 18,662,933 km (0.118 R)
• M23: 23,042,261 km (0.104 R)
• M24: 23,705,428 km (0.08 R)
• M25: 25,368,657 km (0.04 R)
• M26: 26,177,683 km (0.106 R)
• M27: 33,761,995 km (0.11 R)
• M28: 34,371,308 km (0.057 R)
• M29: 38,710,843 km (0.063 R)
• M30: 44,558,324 km (0.115 R)
• M31: 48,150,468 km (0.074 R)
• M32: 57,618,817 km (0.104 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 10,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit