🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.72 AU - 0.78 AU

Year: 290 Days

Day: 16.4 Hours

Environment

Temp: -33 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.56 AU - 1.62 AU

Year: 895 Days

Day: 28 Hours

Environment

Temp: -116 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,670,834 km

• M1: 176,376 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.39 AU - 2.09 AU

Year: 1024 Days

Day: 20.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.84 AU - 2.42 AU

Year: 1387 Days

Day: 20.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 10.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.54 AU - 2.62 AU

Year: 1849 Days

Day: 8.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,670,834 km

• M1: 187,297 km (0.11 R)
• M2: 1,379,592 km (0.115 R)
• M3: 1,890,019 km (0.086 R)
• M4: 3,873,089 km (0.086 R)
• M5: 4,282,389 km (0.088 R)
• M6: 5,345,581 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 10.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.46 AU - 4.32 AU

Year: 3424 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,670,834 km

• M1: 132,693 km (0.087 R)
• M2: 540,497 km (0.116 R)
• M3: 883,824 km (0.066 R)
• M4: 2,358,859 km (0.041 R)
• M5: 2,713,855 km (0.082 R)
• M6: 3,572,098 km (0.085 R)
• M7: 6,211,154 km (0.116 R)
• M8: 7,495,601 km (0.119 R)
• M9: 8,587,367 km (0.11 R)
• M10: 9,097,047 km (0.107 R)
• M11: 14,278,818 km (0.073 R)
• M12: 18,696,443 km (0.076 R)
• M13: 21,477,617 km (0.103 R)
• M14: 22,897,600 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905

Radius: 12.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.32 AU - 4.38 AU

Year: 4048 Days

Day: 13.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,670,834 km

• M1: 152,440 km (0.084 R)
• M2: 792,570 km (0.106 R)
• M3: 1,336,507 km (0.062 R)
• M4: 1,835,865 km (0.066 R)
• M5: 2,725,075 km (0.11 R)
• M6: 3,161,302 km (0.117 R)
• M7: 4,634,093 km (0.064 R)
• M8: 6,001,268 km (0.093 R)
• M9: 6,617,761 km (0.053 R)
• M10: 7,481,838 km (0.071 R)
• M11: 8,457,366 km (0.092 R)
• M12: 9,113,951 km (0.07 R)
• M13: 13,582,140 km (0.093 R)
• M14: 14,483,168 km (0.092 R)
• M15: 16,581,727 km (0.098 R)
• M16: 17,672,744 km (0.107 R)
• M17: 19,201,186 km (0.074 R)
• M18: 19,729,715 km (0.111 R)
• M19: 20,335,886 km (0.029 R)
• M20: 21,024,036 km (0.048 R)
• M21: 23,781,125 km (0.043 R)
• M22: 26,121,733 km (0.117 R)
• M23: 28,186,483 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 8.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.61 AU - 9.83 AU

Year: 11490 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,670,834 km

• M1: 103,372 km (0.094 R)
• M2: 663,167 km (0.087 R)
• M3: 941,719 km (0.073 R)
• M4: 1,822,252 km (0.07 R)
• M5: 2,243,669 km (0.111 R)
• M6: 2,534,338 km (0.066 R)
• M7: 2,975,352 km (0.079 R)
• M8: 3,609,797 km (0.038 R)
• M9: 3,959,407 km (0.111 R)
• M10: 6,737,140 km (0.107 R)
• M11: 7,544,669 km (0.108 R)
• M12: 8,159,816 km (0.092 R)
• M13: 9,725,358 km (0.047 R)
• M14: 10,553,831 km (0.037 R)
• M15: 11,856,529 km (0.077 R)
• M16: 14,715,344 km (0.042 R)
• M17: 15,158,154 km (0.088 R)
• M18: 15,609,790 km (0.055 R)
• M19: 17,226,644 km (0.091 R)
• M20: 18,877,905 km (0.083 R)
• M21: 24,994,064 km (0.099 R)
• M22: 26,729,998 km (0.101 R)
• M23: 28,838,730 km (0.081 R)
• M24: 34,813,668 km (0.112 R)
• M25: 36,168,876 km (0.097 R)
• M26: 37,324,669 km (0.108 R)
• M27: 42,321,986 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.3

Radius: 4.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 10.79 AU - 11.71 AU

Year: 16838 Days

Day: 15.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,670,834 km

• M1: 58,942 km (0.039 R)
• M2: 522,994 km (0.113 R)
• M3: 916,137 km (0.114 R)
• M4: 2,275,832 km (0.053 R)
• M5: 2,628,435 km (0.061 R)
• M6: 4,435,577 km (0.087 R)
• M7: 4,957,524 km (0.106 R)
• M8: 15,438,650 km (0.069 R)
• M9: 18,201,573 km (0.071 R)
• M10: 18,790,989 km (0.053 R)
• M11: 20,285,471 km (0.069 R)
• M12: 21,565,879 km (0.088 R)
• M13: 23,431,963 km (0.093 R)
• M14: 28,257,392 km (0.102 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: 322 - 11,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit