🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.48 AU - 0.68 AU

Year: 196 Days

Day: 20.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.34 AU - 1.6 AU

Year: 789 Days

Day: 15.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.01 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 11.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.31 AU - 2.77 AU

Year: 1793 Days

Day: 10.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,974,817 km

• M1: 142,567 km (0.116 R)
• M2: 545,883 km (0.095 R)
• M3: 1,144,723 km (0.115 R)
• M4: 2,113,070 km (0.06 R)
• M5: 2,537,629 km (0.08 R)
• M6: 3,201,843 km (0.113 R)
• M7: 3,780,937 km (0.1 R)
• M8: 5,093,807 km (0.051 R)
• M9: 6,912,918 km (0.069 R)
• M10: 8,107,157 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.8

Radius: 12.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.23 AU - 3.29 AU

Year: 2031 Days

Day: 6.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,974,817 km

• M1: 154,235 km (0.098 R)
• M2: 713,133 km (0.114 R)
• M3: 1,164,320 km (0.108 R)
• M4: 1,549,385 km (0.108 R)
• M5: 2,615,868 km (0.092 R)
• M6: 3,006,319 km (0.08 R)
• M7: 3,500,740 km (0.041 R)
• M8: 4,439,616 km (0.075 R)
• M9: 5,340,794 km (0.09 R)
• M10: 6,213,996 km (0.103 R)
• M11: 7,699,354 km (0.086 R)
• M12: 8,391,094 km (0.106 R)
• M13: 9,218,370 km (0.081 R)
• M14: 9,668,361 km (0.11 R)
• M15: 10,822,658 km (0.12 R)
• M16: 11,991,017 km (0.096 R)
• M17: 12,921,067 km (0.103 R)
• M18: 13,691,048 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.9

Radius: 12.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.28 AU - 3.8 AU

Year: 2348 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,974,817 km

• M1: 160,519 km (0.108 R)
• M2: 646,263 km (0.047 R)
• M3: 1,327,382 km (0.117 R)
• M4: 1,813,276 km (0.089 R)
• M5: 2,496,190 km (0.063 R)
• M6: 3,078,126 km (0.081 R)
• M7: 3,560,130 km (0.1 R)
• M8: 4,018,498 km (0.119 R)
• M9: 4,456,820 km (0.032 R)
• M10: 6,212,949 km (0.062 R)
• M11: 7,205,531 km (0.112 R)
• M12: 8,061,680 km (0.056 R)
• M13: 9,016,413 km (0.103 R)
• M14: 9,671,353 km (0.11 R)
• M15: 10,114,013 km (0.116 R)
• M16: 11,486,125 km (0.108 R)
• M17: 12,256,404 km (0.12 R)
• M18: 13,518,112 km (0.048 R)
• M19: 14,376,954 km (0.103 R)
• M20: 15,409,179 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.3

Radius: 10.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.52 AU - 4.6 AU

Year: 3623 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,974,817 km

• M1: 129,402 km (0.112 R)
• M2: 470,635 km (0.087 R)
• M3: 1,030,729 km (0.079 R)
• M4: 1,386,623 km (0.109 R)
• M5: 2,234,693 km (0.111 R)
• M6: 2,629,482 km (0.051 R)
• M7: 3,397,816 km (0.113 R)
• M8: 3,729,325 km (0.109 R)
• M9: 4,522,942 km (0.101 R)
• M10: 5,183,117 km (0.102 R)
• M11: 5,524,350 km (0.106 R)
• M12: 5,984,962 km (0.068 R)
• M13: 7,071,641 km (0.1 R)
• M14: 7,646,546 km (0.062 R)
• M15: 8,317,941 km (0.047 R)
• M16: 9,380,385 km (0.108 R)
• M17: 10,225,314 km (0.11 R)
• M18: 12,193,722 km (0.118 R)
• M19: 14,690,511 km (0.075 R)
• M20: 15,426,532 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 12.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.95 AU - 5.35 AU

Year: 5177 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,974,817 km

• M1: 173,833 km (0.075 R)
• M2: 732,581 km (0.061 R)
• M3: 1,168,958 km (0.092 R)
• M4: 1,877,004 km (0.036 R)
• M5: 2,361,702 km (0.053 R)
• M6: 3,158,609 km (0.102 R)
• M7: 3,674,722 km (0.069 R)
• M8: 5,175,039 km (0.05 R)
• M9: 6,171,660 km (0.028 R)
• M10: 7,467,926 km (0.117 R)
• M11: 7,901,311 km (0.107 R)
• M12: 9,344,631 km (0.077 R)
• M13: 10,593,624 km (0.111 R)
• M14: 11,375,871 km (0.115 R)
• M15: 13,580,046 km (0.086 R)
• M16: 14,118,149 km (0.082 R)
• M17: 14,670,614 km (0.059 R)
• M18: 15,526,165 km (0.064 R)
• M19: 16,779,645 km (0.117 R)
• M20: 17,274,515 km (0.067 R)
• M21: 18,293,576 km (0.094 R)
• M22: 19,419,748 km (0.09 R)
• M23: 20,381,513 km (0.107 R)
• M24: 25,754,171 km (0.066 R)
• M25: 29,969,091 km (0.072 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 20,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit