🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 8.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 13 Hours

Environment

Temp: -136 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,951,197 km

• M1: 102,475 km (0.088 R)
• M2: 388,206 km (0.06 R)
• M3: 1,647,671 km (0.106 R)
• M4: 1,905,428 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 13.9

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.52 AU - 0.7 AU

Year: 329 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,951,197 km

• M1: 173,384 km (0.05 R)
• M2: 621,280 km (0.088 R)
• M3: 1,075,309 km (0.094 R)
• M4: 1,519,914 km (0.086 R)
• M5: 2,283,013 km (0.115 R)
• M6: 2,987,619 km (0.036 R)
• M7: 3,998,302 km (0.079 R)
• M8: 4,938,226 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 13.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.14 AU - 1.16 AU

Year: 851 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,951,197 km

• M1: 167,101 km (0.102 R)
• M2: 620,382 km (0.119 R)
• M3: 1,146,668 km (0.12 R)
• M4: 1,574,518 km (0.031 R)
• M5: 2,078,662 km (0.097 R)
• M6: 3,072,890 km (0.114 R)
• M7: 3,821,627 km (0.059 R)
• M8: 4,321,733 km (0.104 R)
• M9: 5,374,752 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.9

Radius: 11.7

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.34 AU - 4.08 AU

Year: 4933 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,951,197 km

• M1: 145,559 km (0.115 R)
• M2: 612,902 km (0.032 R)
• M3: 1,628,223 km (0.063 R)
• M4: 2,946,031 km (0.047 R)
• M5: 5,346,927 km (0.096 R)
• M6: 6,155,803 km (0.117 R)
• M7: 6,606,392 km (0.068 R)
• M8: 7,288,259 km (0.101 R)
• M9: 7,830,102 km (0.118 R)
• M10: 11,958,106 km (0.104 R)
• M11: 13,392,600 km (0.097 R)
• M12: 17,796,611 km (0.118 R)
• M13: 18,780,666 km (0.102 R)
• M14: 21,217,616 km (0.051 R)
• M15: 27,307,147 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.3

Radius: 5.5

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.43 AU - 7.37 AU

Year: 11176 Days

Day: 22.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,951,197 km

• M1: 68,516 km (0.051 R)
• M2: 511,326 km (0.092 R)
• M3: 808,427 km (0.099 R)
• M4: 2,135,360 km (0.068 R)
• M5: 3,138,264 km (0.055 R)
• M6: 4,476,866 km (0.096 R)
• M7: 4,870,607 km (0.082 R)
• M8: 5,410,506 km (0.114 R)
• M9: 7,460,446 km (0.105 R)
• M10: 8,383,315 km (0.117 R)
• M11: 9,561,249 km (0.104 R)
• M12: 13,121,379 km (0.071 R)
• M13: 19,239,184 km (0.117 R)
• M14: 22,543,053 km (0.099 R)
• M15: 26,027,636 km (0.108 R)
• M16: 28,793,551 km (0.061 R)
• M17: 31,142,686 km (0.119 R)
• M18: 31,749,306 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 18,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit