🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.27 AU - 1.35 AU

Year: 550 Days

Day: 14.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 51,591,543 km

• M1: 50,265 km (0.12 R)
• M2: 497,563 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.42 AU - 1.42 AU

Year: 621 Days

Day: 33.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,591,543 km

• M1: 35,754 km (0.06 R)
• M2: 847,173 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.5

Radius: 12.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.28 AU - 5.68 AU

Year: 4080 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,591,543 km

• M1: 156,629 km (0.116 R)
• M2: 648,806 km (0.104 R)
• M3: 1,319,752 km (0.099 R)
• M4: 1,779,018 km (0.092 R)
• M5: 2,238,134 km (0.118 R)
• M6: 2,938,102 km (0.075 R)
• M7: 3,340,371 km (0.108 R)
• M8: 3,801,431 km (0.062 R)
• M9: 4,352,999 km (0.062 R)
• M10: 5,475,432 km (0.074 R)
• M11: 7,013,298 km (0.083 R)
• M12: 7,491,413 km (0.109 R)
• M13: 8,666,803 km (0.117 R)
• M14: 9,543,895 km (0.103 R)
• M15: 9,961,573 km (0.079 R)
• M16: 10,479,032 km (0.114 R)
• M17: 12,043,377 km (0.111 R)
• M18: 12,482,297 km (0.111 R)
• M19: 13,340,839 km (0.103 R)
• M20: 15,007,210 km (0.078 R)
• M21: 15,861,563 km (0.119 R)
• M22: 19,673,466 km (0.097 R)
• M23: 21,469,688 km (0.056 R)
• M24: 24,911,486 km (0.118 R)
• M25: 25,306,574 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 12.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.67 AU - 11.53 AU

Year: 11783 Days

Day: 5.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,591,543 km

• M1: 151,692 km (0.105 R)
• M2: 648,806 km (0.045 R)
• M3: 1,098,198 km (0.114 R)
• M4: 1,885,083 km (0.061 R)
• M5: 2,357,214 km (0.067 R)
• M6: 2,778,481 km (0.101 R)
• M7: 3,203,040 km (0.077 R)
• M8: 4,072,652 km (0.049 R)
• M9: 5,029,181 km (0.102 R)
• M10: 5,595,260 km (0.108 R)
• M11: 6,504,815 km (0.079 R)
• M12: 8,663,362 km (0.106 R)
• M13: 9,528,337 km (0.093 R)
• M14: 9,982,068 km (0.107 R)
• M15: 10,932,762 km (0.109 R)
• M16: 13,763,154 km (0.108 R)
• M17: 14,409,117 km (0.05 R)
• M18: 15,007,808 km (0.107 R)
• M19: 25,130,198 km (0.108 R)
• M20: 25,900,777 km (0.12 R)
• M21: 29,246,533 km (0.053 R)
• M22: 30,423,121 km (0.115 R)
• M23: 31,519,673 km (0.09 R)
• M24: 38,915,343 km (0.11 R)
• M25: 44,674,113 km (0.085 R)
• M26: 50,976,671 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 19,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit