🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.64 AU - 0.66 AU

Year: 185 Days

Day: 17.9 Hours

Environment

Temp: 149 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,678,458 km

• M1: 112,946 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.73 AU - 9.87 AU

Year: 10014 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,678,458 km

• M1: 106,962 km (0.074 R)
• M2: 475,272 km (0.106 R)
• M3: 2,407,927 km (0.045 R)
• M4: 4,028,970 km (0.109 R)
• M5: 5,530,484 km (0.109 R)
• M6: 5,829,829 km (0.066 R)
• M7: 6,433,905 km (0.1 R)
• M8: 7,552,748 km (0.092 R)
• M9: 10,023,506 km (0.118 R)
• M10: 11,764,227 km (0.113 R)
• M11: 17,269,279 km (0.077 R)
• M12: 17,534,516 km (0.046 R)

Planet 3 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.2

Radius: 5.2

Gravity: 26.19 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 13.84 AU - 18.06 AU

Year: 22493 Days

Day: 22.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 47,678,458 km

• M1: 64,925 km (0.038 R)
• M2: 287,976 km (0.097 R)
• M3: 565,929 km (0.104 R)
• M4: 791,522 km (0.116 R)
• M5: 1,129,913 km (0.083 R)
• M6: 1,737,729 km (0.029 R)
• M7: 1,949,111 km (0.106 R)
• M8: 2,156,005 km (0.078 R)
• M9: 2,541,518 km (0.106 R)
• M10: 3,419,658 km (0.041 R)
• M11: 3,976,012 km (0.068 R)
• M12: 4,174,379 km (0.093 R)
• M13: 4,344,621 km (0.11 R)
• M14: 4,626,763 km (0.066 R)
• M15: 6,814,183 km (0.115 R)
• M16: 8,263,188 km (0.069 R)
• M17: 9,491,087 km (0.027 R)
• M18: 10,087,534 km (0.104 R)
• M19: 10,519,722 km (0.075 R)
• M20: 11,354,778 km (0.117 R)
• M21: 16,966,792 km (0.08 R)
• M22: 18,293,725 km (0.117 R)
• M23: 18,658,894 km (0.101 R)
• M24: 20,071,696 km (0.105 R)
• M25: 21,352,553 km (0.069 R)
• M26: 21,757,365 km (0.103 R)
• M27: 21,961,715 km (0.047 R)
• M28: 23,642,597 km (0.114 R)
• M29: 25,634,194 km (0.107 R)
• M30: 26,437,983 km (0.119 R)
• M31: 27,377,009 km (0.081 R)
• M32: 37,578,985 km (0.112 R)
• M33: 38,020,897 km (0.075 R)
• M34: 43,113,059 km (0.041 R)
• M35: 69,561,215 km (0.103 R)
• M36: 70,673,774 km (0.114 R)
• M37: 72,478,373 km (0.055 R)
• M38: 77,598,959 km (0.071 R)
• M39: 80,004,193 km (0.113 R)
• M40: 82,458,795 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.6

Radius: 5.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 17.43 AU - 20.29 AU

Year: 28921 Days

Day: 21.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,678,458 km

• M1: 198,516 km (0.093 R)
• M2: 514,317 km (0.107 R)
• M3: 949,348 km (0.054 R)
• M4: 2,028,248 km (0.072 R)
• M5: 3,259,289 km (0.115 R)
• M6: 6,059,761 km (0.112 R)
• M7: 6,690,017 km (0.044 R)
• M8: 6,883,596 km (0.099 R)
• M9: 8,523,488 km (0.065 R)
• M10: 11,863,859 km (0.082 R)
• M11: 15,985,580 km (0.038 R)
• M12: 17,767,889 km (0.075 R)
• M13: 22,232,787 km (0.106 R)
• M14: 29,205,843 km (0.112 R)
• M15: 30,037,158 km (0.061 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 13,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit