🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.3

Radius: 12.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.5 AU - 0.58 AU

Year: 265 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,359,260 km

• M1: 153,039 km (0.071 R)
• M2: 560,244 km (0.073 R)
• M3: 1,338,751 km (0.074 R)
• M4: 1,747,752 km (0.041 R)
• M5: 2,136,856 km (0.053 R)
• M6: 2,534,637 km (0.086 R)
• M7: 3,191,671 km (0.114 R)
• M8: 3,608,749 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 11.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.59 AU - 0.67 AU

Year: 333 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,359,260 km

• M1: 146,756 km (0.045 R)
• M2: 554,260 km (0.055 R)
• M3: 1,162,525 km (0.093 R)
• M4: 1,589,178 km (0.049 R)
• M5: 1,964,968 km (0.076 R)
• M6: 2,476,892 km (0.073 R)
• M7: 2,920,599 km (0.064 R)
• M8: 3,353,535 km (0.025 R)
• M9: 3,794,849 km (0.078 R)
• M10: 4,212,526 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 9.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.78 AU - 0.82 AU

Year: 477 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,359,260 km

• M1: 122,221 km (0.108 R)
• M2: 587,920 km (0.091 R)
• M3: 966,701 km (0.079 R)
• M4: 1,380,639 km (0.06 R)
• M5: 1,705,565 km (0.118 R)
• M6: 2,029,744 km (0.053 R)
• M7: 2,493,497 km (0.116 R)
• M8: 2,970,266 km (0.09 R)
• M9: 3,296,987 km (0.05 R)
• M10: 3,699,855 km (0.118 R)
• M11: 4,454,576 km (0.096 R)
• M12: 5,126,270 km (0.072 R)
• M13: 5,564,293 km (0.111 R)
• M14: 5,899,990 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 9.4

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.92 AU - 1 AU

Year: 627 Days

Day: 13 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,359,260 km

• M1: 116,836 km (0.087 R)
• M2: 483,800 km (0.096 R)
• M3: 796,908 km (0.116 R)
• M4: 1,324,240 km (0.067 R)
• M5: 1,704,219 km (0.112 R)
• M6: 2,185,625 km (0.053 R)
• M7: 2,587,894 km (0.053 R)
• M8: 3,125,848 km (0.053 R)
• M9: 3,502,086 km (0.099 R)
• M10: 4,085,667 km (0.108 R)
• M11: 4,408,948 km (0.088 R)
• M12: 4,749,284 km (0.086 R)
• M13: 5,373,855 km (0.112 R)
• M14: 5,839,104 km (0.109 R)
• M15: 6,310,936 km (0.059 R)
• M16: 6,914,563 km (0.027 R)
• M17: 7,809,906 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 10.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.43 AU - 2.01 AU

Year: 1504 Days

Day: 5.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,359,260 km

• M1: 150,495 km (0.113 R)
• M2: 610,808 km (0.047 R)
• M3: 960,269 km (0.109 R)
• M4: 1,333,665 km (0.071 R)
• M5: 1,736,682 km (0.082 R)
• M6: 2,820,967 km (0.086 R)
• M7: 3,622,064 km (0.099 R)
• M8: 6,007,102 km (0.084 R)
• M9: 8,254,511 km (0.105 R)
• M10: 9,660,582 km (0.068 R)
• M11: 10,076,314 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 13.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.26 AU - 3.14 AU

Year: 2959 Days

Day: 9.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,359,260 km

• M1: 171,738 km (0.086 R)
• M2: 659,427 km (0.036 R)
• M3: 1,232,238 km (0.037 R)
• M4: 2,639,505 km (0.113 R)
• M5: 3,173,120 km (0.095 R)
• M6: 6,639,901 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.1

Radius: 12.1

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.17 AU - 4.67 AU

Year: 6197 Days

Day: 13.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,359,260 km

• M1: 153,637 km (0.1 R)
• M2: 607,367 km (0.075 R)
• M3: 1,348,026 km (0.103 R)
• M4: 1,725,611 km (0.117 R)
• M5: 2,128,628 km (0.053 R)
• M6: 3,295,192 km (0.105 R)
• M7: 4,658,029 km (0.075 R)
• M8: 5,913,005 km (0.065 R)
• M9: 6,400,246 km (0.119 R)
• M10: 7,566,959 km (0.062 R)
• M11: 8,829,117 km (0.105 R)
• M12: 16,099,573 km (0.103 R)
• M13: 16,666,848 km (0.093 R)
• M14: 19,421,843 km (0.091 R)
• M15: 21,168,248 km (0.092 R)
• M16: 22,780,465 km (0.1 R)
• M17: 23,980,987 km (0.111 R)
• M18: 25,055,399 km (0.117 R)
• M19: 27,746,366 km (0.115 R)
• M20: 28,837,982 km (0.099 R)
• M21: 29,769,228 km (0.056 R)
• M22: 31,888,731 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 13,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit