🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.56 AU - 0.66 AU

Year: 174 Days

Day: 23.8 Hours

Environment

Temp: 151 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.75 AU - 1.13 AU

Year: 333 Days

Day: 14.6 Hours

Environment

Temp: 118 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.43 AU - 1.87 AU

Year: 774 Days

Day: 43.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,821,153 km

• M1: 516,711 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.46 AU - 3.46 AU

Year: 1860 Days

Day: 33.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 13.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.7 AU - 7.28 AU

Year: 6750 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,821,153 km

• M1: 165,455 km (0.089 R)
• M2: 817,702 km (0.108 R)
• M3: 1,771,688 km (0.083 R)
• M4: 3,890,293 km (0.091 R)
• M5: 4,324,575 km (0.036 R)
• M6: 6,538,474 km (0.037 R)
• M7: 7,344,807 km (0.082 R)
• M8: 8,299,091 km (0.096 R)
• M9: 9,334,458 km (0.102 R)
• M10: 10,405,729 km (0.11 R)
• M11: 11,402,499 km (0.059 R)
• M12: 14,412,259 km (0.05 R)
• M13: 15,714,209 km (0.101 R)
• M14: 18,479,975 km (0.1 R)
• M15: 19,642,500 km (0.115 R)
• M16: 22,925,724 km (0.099 R)
• M17: 23,674,312 km (0.115 R)
• M18: 24,784,029 km (0.047 R)
• M19: 25,395,884 km (0.115 R)
• M20: 26,377,545 km (0.111 R)
• M21: 28,038,381 km (0.086 R)
• M22: 28,511,858 km (0.079 R)
• M23: 30,559,105 km (0.041 R)
• M24: 32,183,439 km (0.112 R)
• M25: 37,515,705 km (0.059 R)
• M26: 38,906,068 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 8.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.26 AU - 12.4 AU

Year: 12127 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,821,153 km

• M1: 116,387 km (0.093 R)
• M2: 486,642 km (0.078 R)
• M3: 2,067,742 km (0.1 R)
• M4: 4,325,622 km (0.082 R)
• M5: 4,873,151 km (0.104 R)
• M6: 6,011,890 km (0.093 R)
• M7: 12,416,025 km (0.116 R)
• M8: 17,868,718 km (0.029 R)
• M9: 19,205,524 km (0.106 R)
• M10: 21,628,860 km (0.107 R)
• M11: 27,333,027 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.5

Radius: 5.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 13.65 AU - 14.63 AU

Year: 19421 Days

Day: 24.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,821,153 km

• M1: 73,453 km (0.103 R)
• M2: 258,655 km (0.118 R)
• M3: 591,211 km (0.081 R)
• M4: 794,065 km (0.099 R)
• M5: 1,305,840 km (0.04 R)
• M6: 1,797,418 km (0.085 R)
• M7: 2,384,889 km (0.05 R)
• M8: 3,307,759 km (0.074 R)
• M9: 4,944,509 km (0.088 R)
• M10: 5,306,685 km (0.116 R)
• M11: 5,721,670 km (0.088 R)
• M12: 7,262,677 km (0.033 R)
• M13: 9,453,239 km (0.112 R)
• M14: 10,916,007 km (0.028 R)
• M15: 12,583,425 km (0.063 R)
• M16: 17,218,715 km (0.116 R)
• M17: 18,203,518 km (0.069 R)
• M18: 24,439,954 km (0.068 R)
• M19: 25,103,719 km (0.107 R)
• M20: 26,368,121 km (0.104 R)
• M21: 31,293,930 km (0.043 R)
• M22: 31,516,232 km (0.098 R)
• M23: 33,447,990 km (0.097 R)
• M24: 35,097,007 km (0.102 R)
• M25: 39,325,839 km (0.097 R)
• M26: 39,974,945 km (0.052 R)
• M27: 40,367,938 km (0.098 R)
• M28: 44,021,118 km (0.106 R)
• M29: 46,720,013 km (0.086 R)
• M30: 49,376,572 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 20,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit