🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.83 AU - 0.97 AU

Year: 304 Days

Day: 16.9 Hours

Environment

Temp: 149 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.08 AU - 1.46 AU

Year: 510 Days

Day: 38.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 49,663,873 km

• M1: 105,915 km (0.106 R)
• M2: 321,935 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.61 AU - 4.37 AU

Year: 2841 Days

Day: 37 Hours

Environment

Temp: -108 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.27 AU - 5.29 AU

Year: 3156 Days

Day: 28.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 90.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 9.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.22 AU - 6.28 AU

Year: 5569 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,663,873 km

• M1: 119,379 km (0.086 R)
• M2: 436,676 km (0.1 R)
• M3: 1,395,599 km (0.067 R)
• M4: 1,716,187 km (0.105 R)
• M5: 2,044,255 km (0.105 R)
• M6: 2,525,960 km (0.11 R)
• M7: 3,195,111 km (0.092 R)
• M8: 3,911,685 km (0.093 R)
• M9: 4,960,366 km (0.118 R)
• M10: 5,357,698 km (0.114 R)
• M11: 6,008,150 km (0.103 R)
• M12: 6,902,446 km (0.07 R)
• M13: 7,603,611 km (0.062 R)
• M14: 8,388,401 km (0.085 R)
• M15: 8,915,136 km (0.119 R)
• M16: 10,457,041 km (0.103 R)
• M17: 13,042,242 km (0.109 R)
• M18: 13,596,053 km (0.102 R)
• M19: 14,589,383 km (0.1 R)
• M20: 15,241,181 km (0.06 R)
• M21: 16,083,267 km (0.088 R)
• M22: 17,921,227 km (0.111 R)
• M23: 22,151,256 km (0.119 R)
• M24: 25,729,637 km (0.07 R)
• M25: 26,202,366 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 11.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.11 AU - 6.81 AU

Year: 5853 Days

Day: 10.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,663,873 km

• M1: 141,819 km (0.118 R)
• M2: 548,575 km (0.12 R)
• M3: 1,029,383 km (0.094 R)
• M4: 1,497,026 km (0.112 R)
• M5: 2,706,076 km (0.091 R)
• M6: 3,461,096 km (0.057 R)
• M7: 5,214,234 km (0.093 R)
• M8: 5,656,445 km (0.118 R)
• M9: 7,314,438 km (0.075 R)
• M10: 8,216,364 km (0.064 R)
• M11: 9,749,892 km (0.119 R)
• M12: 12,216,611 km (0.087 R)
• M13: 12,893,092 km (0.111 R)
• M14: 14,838,762 km (0.065 R)
• M15: 15,790,504 km (0.106 R)
• M16: 25,756,864 km (0.109 R)
• M17: 28,915,174 km (0.11 R)
• M18: 30,872,064 km (0.113 R)
• M19: 32,421,299 km (0.115 R)
• M20: 33,415,377 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 9.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.54 AU - 8.84 AU

Year: 7601 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,663,873 km

• M1: 121,773 km (0.104 R)
• M2: 660,624 km (0.079 R)
• M3: 1,117,945 km (0.11 R)
• M4: 1,687,913 km (0.109 R)
• M5: 3,277,540 km (0.096 R)
• M6: 4,851,309 km (0.101 R)
• M7: 6,165,975 km (0.103 R)
• M8: 6,643,342 km (0.089 R)
• M9: 8,734,122 km (0.109 R)
• M10: 9,966,809 km (0.07 R)
• M11: 14,117,551 km (0.091 R)
• M12: 16,491,220 km (0.078 R)
• M13: 16,812,258 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 13.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.36 AU - 11.44 AU

Year: 10273 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,663,873 km

• M1: 162,912 km (0.037 R)
• M2: 765,193 km (0.069 R)
• M3: 2,340,309 km (0.062 R)
• M4: 5,368,170 km (0.081 R)
• M5: 6,022,361 km (0.119 R)
• M6: 6,845,898 km (0.088 R)
• M7: 7,871,242 km (0.106 R)
• M8: 8,996,517 km (0.092 R)
• M9: 12,306,220 km (0.069 R)
• M10: 13,757,170 km (0.112 R)
• M11: 14,394,307 km (0.08 R)
• M12: 15,590,641 km (0.057 R)
• M13: 16,996,562 km (0.03 R)
• M14: 18,332,770 km (0.071 R)
• M15: 25,793,665 km (0.098 R)
• M16: 27,556,077 km (0.117 R)
• M17: 32,759,391 km (0.105 R)
• M18: 39,087,081 km (0.073 R)
• M19: 45,201,445 km (0.087 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 10,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit