🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.88 AU - 2.14 AU

Year: 1194 Days

Day: 39.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.08 AU - 3.36 AU

Year: 1879 Days

Day: 16 Hours

Environment

Temp: -129 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,907,820 km

• M1: 90,806 km (0.056 R)
• M2: 1,184,666 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 11.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.73 AU - 3.33 AU

Year: 2210 Days

Day: 10.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,907,820 km

• M1: 141,669 km (0.102 R)
• M2: 683,961 km (0.063 R)
• M3: 1,179,430 km (0.096 R)
• M4: 1,554,322 km (0.118 R)
• M5: 2,265,211 km (0.114 R)
• M6: 3,623,709 km (0.083 R)
• M7: 4,023,435 km (0.088 R)
• M8: 5,734,834 km (0.114 R)
• M9: 7,125,795 km (0.037 R)
• M10: 8,424,305 km (0.036 R)
• M11: 9,072,064 km (0.089 R)
• M12: 10,246,257 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 12.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.32 AU - 5.36 AU

Year: 3788 Days

Day: 13.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,907,820 km

• M1: 158,424 km (0.116 R)
• M2: 813,812 km (0.049 R)
• M3: 1,265,299 km (0.112 R)
• M4: 2,364,544 km (0.053 R)
• M5: 3,603,663 km (0.111 R)
• M6: 4,515,612 km (0.046 R)
• M7: 6,191,557 km (0.072 R)
• M8: 7,620,516 km (0.067 R)
• M9: 8,778,253 km (0.068 R)
• M10: 10,730,057 km (0.108 R)
• M11: 11,725,631 km (0.094 R)
• M12: 12,565,473 km (0.094 R)
• M13: 13,000,354 km (0.115 R)
• M14: 14,271,637 km (0.059 R)
• M15: 18,138,891 km (0.038 R)
• M16: 18,638,848 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.5

Radius: 3

Gravity: 76.17 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 11.34 AU - 12.3 AU

Year: 17026 Days

Day: 19.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 92,907,820 km

• M1: 38,447 km (0.078 R)
• M2: 146,756 km (0.049 R)
• M3: 317,147 km (0.073 R)
• M4: 498,610 km (0.052 R)
• M5: 600,486 km (0.032 R)
• M6: 981,811 km (0.096 R)
• M7: 2,297,225 km (0.115 R)
• M8: 2,842,958 km (0.052 R)
• M9: 3,526,321 km (0.068 R)
• M10: 3,669,187 km (0.112 R)
• M11: 4,815,555 km (0.063 R)
• M12: 5,135,545 km (0.081 R)
• M13: 7,546,315 km (0.083 R)
• M14: 9,644,276 km (0.05 R)
• M15: 10,094,565 km (0.112 R)
• M16: 11,342,810 km (0.095 R)
• M17: 13,437,330 km (0.105 R)
• M18: 14,648,324 km (0.072 R)
• M19: 16,320,828 km (0.113 R)
• M20: 17,040,394 km (0.072 R)
• M21: 17,203,007 km (0.114 R)
• M22: 17,449,096 km (0.114 R)
• M23: 30,029,977 km (0.088 R)
• M24: 30,987,105 km (0.116 R)
• M25: 31,595,669 km (0.107 R)
• M26: 41,996,909 km (0.119 R)
• M27: 46,439,817 km (0.057 R)
• M28: 47,879,846 km (0.085 R)
• M29: 55,349,716 km (0.068 R)
• M30: 57,513,949 km (0.086 R)
• M31: 68,156,790 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.6

Radius: 4

Gravity: 43.04 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 13.78 AU - 18.3 AU

Year: 26915 Days

Day: 17.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,907,820 km

• M1: 49,816 km (0.102 R)
• M2: 235,467 km (0.074 R)
• M3: 861,534 km (0.109 R)
• M4: 1,270,236 km (0.095 R)
• M5: 1,535,772 km (0.065 R)
• M6: 1,777,821 km (0.088 R)
• M7: 2,088,237 km (0.113 R)
• M8: 5,025,292 km (0.03 R)
• M9: 6,638,705 km (0.088 R)
• M10: 9,507,094 km (0.054 R)
• M11: 11,108,689 km (0.103 R)
• M12: 15,924,245 km (0.118 R)
• M13: 23,158,199 km (0.065 R)
• M14: 25,433,433 km (0.106 R)
• M15: 28,481,191 km (0.087 R)
• M16: 32,726,180 km (0.111 R)
• M17: 36,173,064 km (0.095 R)
• M18: 41,296,791 km (0.083 R)
• M19: 42,773,771 km (0.103 R)
• M20: 47,593,067 km (0.089 R)
• M21: 60,986,414 km (0.106 R)
• M22: 64,852,023 km (0.096 R)
• M23: 70,255,798 km (0.117 R)
• M24: 87,983,145 km (0.117 R)
• M25: 92,907,758 km (0.112 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: 534 - 20,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit