🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.92 AU - 1.24 AU

Year: 410 Days

Day: 40.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,061,554 km

• M1: 123,867 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.08 AU - 1.1 AU

Year: 416 Days

Day: 30.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 56,061,554 km

• M1: 437,275 km (0.033 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.98 AU - 1.44 AU

Year: 486 Days

Day: 19.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 12.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.34 AU - 5.4 AU

Year: 3925 Days

Day: 5.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,061,554 km

• M1: 153,039 km (0.066 R)
• M2: 572,212 km (0.083 R)
• M3: 991,235 km (0.086 R)
• M4: 1,438,384 km (0.074 R)
• M5: 1,865,037 km (0.112 R)
• M6: 2,643,095 km (0.101 R)
• M7: 3,144,398 km (0.053 R)
• M8: 3,876,081 km (0.102 R)
• M9: 4,386,210 km (0.098 R)
• M10: 5,541,853 km (0.079 R)
• M11: 6,017,126 km (0.075 R)
• M12: 7,342,114 km (0.038 R)
• M13: 8,593,799 km (0.048 R)
• M14: 10,105,187 km (0.092 R)
• M15: 11,339,070 km (0.098 R)
• M16: 12,015,551 km (0.114 R)
• M17: 12,862,425 km (0.057 R)
• M18: 15,047,003 km (0.091 R)
• M19: 21,811,370 km (0.095 R)
• M20: 23,429,869 km (0.119 R)
• M21: 24,084,509 km (0.109 R)
• M22: 24,602,118 km (0.08 R)
• M23: 25,278,300 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 13.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.25 AU - 7.21 AU

Year: 5680 Days

Day: 14.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,061,554 km

• M1: 163,361 km (0.087 R)
• M2: 654,042 km (0.073 R)
• M3: 1,076,955 km (0.082 R)
• M4: 1,883,437 km (0.085 R)
• M5: 2,499,780 km (0.079 R)
• M6: 4,934,486 km (0.079 R)
• M7: 6,412,662 km (0.118 R)
• M8: 7,401,355 km (0.088 R)
• M9: 7,816,788 km (0.088 R)
• M10: 9,548,383 km (0.103 R)
• M11: 10,271,240 km (0.086 R)
• M12: 11,176,607 km (0.084 R)
• M13: 11,724,733 km (0.109 R)
• M14: 14,680,338 km (0.115 R)
• M15: 15,953,416 km (0.106 R)
• M16: 17,430,845 km (0.069 R)
• M17: 18,033,126 km (0.106 R)
• M18: 24,927,792 km (0.114 R)
• M19: 25,951,341 km (0.119 R)
• M20: 29,944,707 km (0.109 R)
• M21: 30,712,443 km (0.112 R)
• M22: 32,790,208 km (0.06 R)
• M23: 34,330,617 km (0.045 R)
• M24: 35,065,741 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.7

Radius: 13.1

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.72 AU - 8.66 AU

Year: 7789 Days

Day: 11.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,061,554 km

• M1: 193,430 km (0.112 R)
• M2: 667,057 km (0.054 R)
• M3: 2,223,324 km (0.064 R)
• M4: 2,897,412 km (0.116 R)
• M5: 3,459,600 km (0.081 R)
• M6: 6,246,758 km (0.063 R)
• M7: 7,365,451 km (0.105 R)
• M8: 10,598,261 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.6

Radius: 11

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.68 AU - 12.02 AU

Year: 11291 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,061,554 km

• M1: 136,732 km (0.071 R)
• M2: 590,912 km (0.119 R)
• M3: 1,417,889 km (0.096 R)
• M4: 2,038,869 km (0.08 R)
• M5: 2,789,701 km (0.092 R)
• M6: 3,157,263 km (0.108 R)
• M7: 3,662,605 km (0.117 R)
• M8: 4,192,032 km (0.113 R)
• M9: 4,771,873 km (0.11 R)
• M10: 7,731,218 km (0.064 R)
• M11: 8,942,961 km (0.112 R)
• M12: 9,697,383 km (0.106 R)
• M13: 11,739,843 km (0.095 R)
• M14: 17,260,004 km (0.114 R)
• M15: 18,033,425 km (0.113 R)
• M16: 21,714,131 km (0.078 R)
• M17: 23,448,120 km (0.112 R)
• M18: 24,109,492 km (0.086 R)
• M19: 24,686,491 km (0.067 R)
• M20: 27,605,295 km (0.109 R)
• M21: 30,522,902 km (0.107 R)
• M22: 32,929,782 km (0.088 R)
• M23: 33,998,958 km (0.119 R)
• M24: 37,988,734 km (0.119 R)
• M25: 38,901,281 km (0.085 R)
• M26: 44,542,317 km (0.053 R)
• M27: 51,971,198 km (0.108 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: 527 - 12,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit