🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.65 AU - 0.81 AU

Year: 261 Days

Day: 43.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.45 AU - 1.45 AU

Year: 732 Days

Day: 27.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820

Radius: 12.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.16 AU - 5.58 AU

Year: 4503 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,564,907 km

• M1: 153,039 km (0.057 R)
• M2: 612,154 km (0.088 R)
• M3: 1,056,460 km (0.088 R)
• M4: 1,958,535 km (0.109 R)
• M5: 2,534,487 km (0.105 R)
• M6: 3,182,545 km (0.117 R)
• M7: 3,804,723 km (0.117 R)
• M8: 4,192,331 km (0.04 R)
• M9: 5,128,963 km (0.098 R)
• M10: 5,546,640 km (0.085 R)
• M11: 6,482,225 km (0.083 R)
• M12: 7,276,740 km (0.099 R)
• M13: 8,822,086 km (0.103 R)
• M14: 9,342,088 km (0.074 R)
• M15: 10,754,591 km (0.086 R)
• M16: 13,108,065 km (0.086 R)
• M17: 14,432,604 km (0.098 R)
• M18: 15,326,003 km (0.1 R)
• M19: 17,408,555 km (0.033 R)
• M20: 18,679,987 km (0.082 R)
• M21: 20,355,184 km (0.105 R)
• M22: 24,623,959 km (0.095 R)
• M23: 25,737,266 km (0.069 R)
• M24: 28,235,701 km (0.074 R)
• M25: 29,455,222 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 12.3

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.82 AU - 8.88 AU

Year: 10109 Days

Day: 14.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,564,907 km

• M1: 167,699 km (0.062 R)
• M2: 736,770 km (0.097 R)
• M3: 1,195,736 km (0.057 R)
• M4: 2,899,207 km (0.116 R)
• M5: 4,761,401 km (0.099 R)
• M6: 5,273,026 km (0.072 R)
• M7: 6,145,929 km (0.053 R)
• M8: 8,914,836 km (0.093 R)
• M9: 9,594,759 km (0.071 R)
• M10: 10,049,985 km (0.12 R)
• M11: 12,546,175 km (0.119 R)
• M12: 13,778,413 km (0.077 R)
• M13: 14,887,980 km (0.047 R)
• M14: 15,567,902 km (0.074 R)
• M15: 16,056,190 km (0.071 R)
• M16: 19,523,121 km (0.047 R)
• M17: 23,460,536 km (0.103 R)
• M18: 24,568,758 km (0.118 R)
• M19: 26,591,770 km (0.099 R)
• M20: 27,491,900 km (0.11 R)
• M21: 28,412,076 km (0.104 R)
• M22: 39,673,804 km (0.109 R)
• M23: 43,957,240 km (0.102 R)
• M24: 46,210,483 km (0.106 R)
• M25: 47,511,087 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 10.5

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.2 AU - 9.98 AU

Year: 11482 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,564,907 km

• M1: 130,599 km (0.114 R)
• M2: 655,239 km (0.079 R)
• M3: 1,001,259 km (0.11 R)
• M4: 1,515,576 km (0.048 R)
• M5: 2,003,415 km (0.027 R)
• M6: 2,614,821 km (0.062 R)
• M7: 3,297,287 km (0.085 R)
• M8: 3,734,412 km (0.094 R)
• M9: 5,738,574 km (0.112 R)
• M10: 7,564,267 km (0.065 R)
• M11: 8,143,958 km (0.106 R)
• M12: 9,956,636 km (0.067 R)
• M13: 10,327,788 km (0.089 R)
• M14: 11,267,562 km (0.046 R)
• M15: 12,567,268 km (0.11 R)
• M16: 13,509,137 km (0.073 R)
• M17: 15,112,975 km (0.107 R)
• M18: 17,291,569 km (0.069 R)
• M19: 19,097,963 km (0.12 R)
• M20: 19,424,536 km (0.094 R)
• M21: 23,360,007 km (0.067 R)
• M22: 27,588,989 km (0.081 R)
• M23: 28,534,447 km (0.087 R)
• M24: 29,938,274 km (0.045 R)
• M25: 33,945,702 km (0.104 R)
• M26: 35,031,333 km (0.061 R)
• M27: 45,428,086 km (0.111 R)
• M28: 50,540,145 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.7

Radius: 6.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 16.89 AU - 17.17 AU

Year: 29445 Days

Day: 20.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,564,907 km

• M1: 84,672 km (0.098 R)
• M2: 340,485 km (0.093 R)
• M3: 1,383,930 km (0.082 R)
• M4: 2,329,987 km (0.073 R)
• M5: 3,249,415 km (0.089 R)
• M6: 3,906,000 km (0.07 R)
• M7: 4,880,930 km (0.077 R)
• M8: 5,298,757 km (0.05 R)
• M9: 7,571,148 km (0.039 R)
• M10: 7,847,904 km (0.066 R)
• M11: 8,869,807 km (0.047 R)
• M12: 12,087,059 km (0.055 R)
• M13: 13,378,837 km (0.077 R)
• M14: 18,211,147 km (0.095 R)
• M15: 21,240,953 km (0.112 R)
• M16: 21,607,318 km (0.095 R)
• M17: 23,697,948 km (0.104 R)
• M18: 32,435,810 km (0.085 R)
• M19: 33,659,521 km (0.069 R)
• M20: 35,809,990 km (0.104 R)
• M21: 40,242,874 km (0.114 R)
• M22: 46,242,796 km (0.046 R)
• M23: 47,948,362 km (0.064 R)
• M24: 50,179,165 km (0.096 R)
• M25: 62,377,675 km (0.073 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit