🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.43 AU - 0.61 AU

Year: 141 Days

Day: 23.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.51 AU - 0.61 AU

Year: 157 Days

Day: 18.1 Hours

Environment

Temp: 153 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,472,833 km

• M1: 88,113 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.56 AU - 1.72 AU

Year: 787 Days

Day: 28.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 11.3

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.72 AU - 6.22 AU

Year: 4794 Days

Day: 11.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,472,833 km

• M1: 140,772 km (0.059 R)
• M2: 639,232 km (0.066 R)
• M3: 1,095,954 km (0.103 R)
• M4: 1,863,840 km (0.114 R)
• M5: 2,335,522 km (0.093 R)
• M6: 2,813,038 km (0.078 R)
• M7: 3,314,042 km (0.034 R)
• M8: 4,129,799 km (0.109 R)
• M9: 5,240,413 km (0.037 R)
• M10: 6,572,732 km (0.094 R)
• M11: 7,602,863 km (0.047 R)
• M12: 10,288,145 km (0.106 R)
• M13: 12,462,699 km (0.118 R)
• M14: 13,497,617 km (0.115 R)
• M15: 16,034,648 km (0.088 R)
• M16: 16,639,023 km (0.113 R)
• M17: 23,776,936 km (0.062 R)
• M18: 24,962,499 km (0.078 R)
• M19: 27,536,929 km (0.108 R)
• M20: 29,288,870 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 12

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.66 AU - 8.3 AU

Year: 8448 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 26,472,833 km

• M1: 149,299 km (0.074 R)
• M2: 901,776 km (0.117 R)
• M3: 1,356,404 km (0.092 R)
• M4: 1,839,007 km (0.071 R)
• M5: 2,324,751 km (0.086 R)
• M6: 3,047,159 km (0.079 R)
• M7: 4,127,405 km (0.08 R)
• M8: 4,578,443 km (0.064 R)
• M9: 5,447,457 km (0.097 R)
• M10: 6,026,849 km (0.092 R)
• M11: 6,571,834 km (0.094 R)
• M12: 8,451,233 km (0.087 R)
• M13: 10,255,084 km (0.079 R)
• M14: 12,132,088 km (0.048 R)
• M15: 13,606,226 km (0.085 R)
• M16: 14,482,271 km (0.083 R)
• M17: 14,934,056 km (0.116 R)
• M18: 15,663,346 km (0.119 R)
• M19: 17,846,428 km (0.103 R)
• M20: 19,592,085 km (0.04 R)
• M21: 22,981,973 km (0.052 R)
• M22: 23,775,290 km (0.086 R)
• M23: 25,510,177 km (0.12 R)
• M24: 28,318,428 km (0.099 R)
• M25: 32,742,037 km (0.05 R)
• M26: 35,002,012 km (0.109 R)
• M27: 37,606,062 km (0.111 R)
• M28: 39,204,067 km (0.114 R)
• M29: 45,497,649 km (0.089 R)
• M30: 46,888,610 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.9

Radius: 11.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.37 AU - 11.59 AU

Year: 10938 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,472,833 km

• M1: 147,803 km (0.094 R)
• M2: 843,582 km (0.118 R)
• M3: 1,228,348 km (0.093 R)
• M4: 1,609,823 km (0.061 R)
• M5: 2,057,420 km (0.104 R)
• M6: 2,743,176 km (0.114 R)
• M7: 4,494,668 km (0.109 R)
• M8: 5,090,666 km (0.107 R)
• M9: 5,857,056 km (0.116 R)
• M10: 6,377,956 km (0.091 R)
• M11: 7,199,996 km (0.054 R)
• M12: 9,014,917 km (0.086 R)
• M13: 10,093,219 km (0.072 R)
• M14: 12,062,376 km (0.031 R)
• M15: 13,527,537 km (0.094 R)
• M16: 14,494,538 km (0.111 R)
• M17: 15,221,284 km (0.112 R)
• M18: 16,089,849 km (0.087 R)
• M19: 17,925,565 km (0.032 R)
• M20: 19,491,705 km (0.087 R)
• M21: 22,523,007 km (0.103 R)
• M22: 23,726,970 km (0.082 R)
• M23: 24,657,768 km (0.038 R)
• M24: 25,132,143 km (0.081 R)
• M25: 26,180,974 km (0.101 R)
• M26: 26,840,850 km (0.068 R)
• M27: 28,022,224 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 10.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.71 AU - 12.51 AU

Year: 12951 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,472,833 km

• M1: 135,536 km (0.074 R)
• M2: 1,771,089 km (0.037 R)
• M3: 2,229,607 km (0.118 R)
• M4: 3,158,909 km (0.037 R)
• M5: 4,375,588 km (0.026 R)
• M6: 6,504,067 km (0.108 R)
• M7: 8,271,565 km (0.054 R)
• M8: 9,762,458 km (0.118 R)
• M9: 11,380,508 km (0.066 R)
• M10: 14,132,212 km (0.043 R)
• M11: 16,945,998 km (0.099 R)
• M12: 21,251,874 km (0.056 R)
• M13: 22,010,933 km (0.088 R)
• M14: 24,999,899 km (0.075 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 13,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit