🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.1

Radius: 9.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.38 AU - 0.64 AU

Year: 251 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,581,066 km

• M1: 118,930 km (0.105 R)
• M2: 660,774 km (0.088 R)
• M3: 1,198,877 km (0.088 R)
• M4: 1,666,221 km (0.088 R)
• M5: 2,003,863 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 8.2

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.41 AU - 1.41 AU

Year: 1156 Days

Day: 7.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,581,066 km

• M1: 114,742 km (0.085 R)
• M2: 667,954 km (0.107 R)
• M3: 1,144,274 km (0.054 R)
• M4: 1,661,284 km (0.04 R)
• M5: 1,994,738 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 9.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.79 AU - 5.65 AU

Year: 8232 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,581,066 km

• M1: 115,938 km (0.044 R)
• M2: 749,485 km (0.115 R)
• M3: 1,053,019 km (0.073 R)
• M4: 1,853,966 km (0.093 R)
• M5: 2,345,994 km (0.104 R)
• M6: 3,385,101 km (0.03 R)
• M7: 4,076,392 km (0.103 R)
• M8: 4,755,866 km (0.083 R)
• M9: 5,176,984 km (0.097 R)
• M10: 7,422,149 km (0.113 R)
• M11: 7,880,965 km (0.107 R)
• M12: 8,933,686 km (0.028 R)
• M13: 11,454,709 km (0.05 R)
• M14: 12,261,191 km (0.028 R)
• M15: 12,902,966 km (0.11 R)
• M16: 13,360,287 km (0.049 R)
• M17: 17,479,015 km (0.03 R)
• M18: 20,263,929 km (0.079 R)
• M19: 23,481,331 km (0.038 R)
• M20: 25,329,463 km (0.056 R)
• M21: 25,966,450 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.6

Radius: 4.5

Gravity: 34.2 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.8 AU - 7.22 AU

Year: 10170 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,581,066 km

• M1: 55,950 km (0.099 R)
• M2: 204,051 km (0.114 R)
• M3: 358,736 km (0.118 R)
• M4: 587,620 km (0.104 R)
• M5: 1,678,488 km (0.115 R)
• M6: 1,899,444 km (0.11 R)
• M7: 4,139,523 km (0.085 R)
• M8: 4,396,382 km (0.053 R)
• M9: 4,973,830 km (0.067 R)
• M10: 5,166,213 km (0.115 R)
• M11: 6,130,670 km (0.111 R)
• M12: 7,168,880 km (0.06 R)
• M13: 8,009,769 km (0.063 R)
• M14: 9,294,815 km (0.081 R)
• M15: 11,807,012 km (0.106 R)
• M16: 12,735,865 km (0.083 R)
• M17: 16,724,892 km (0.113 R)
• M18: 22,677,242 km (0.074 R)
• M19: 30,644,226 km (0.101 R)
• M20: 36,556,932 km (0.112 R)
• M21: 43,456,237 km (0.093 R)
• M22: 46,924,813 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.2

Radius: 6.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.03 AU - 10.51 AU

Year: 17927 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,581,066 km

• M1: 80,783 km (0.098 R)
• M2: 283,488 km (0.065 R)
• M3: 623,973 km (0.077 R)
• M4: 827,875 km (0.116 R)
• M5: 1,629,869 km (0.119 R)
• M6: 2,144,336 km (0.074 R)
• M7: 3,467,529 km (0.108 R)
• M8: 4,398,327 km (0.107 R)
• M9: 5,261,507 km (0.086 R)
• M10: 5,749,944 km (0.077 R)
• M11: 6,411,466 km (0.065 R)
• M12: 6,892,572 km (0.104 R)
• M13: 7,802,277 km (0.052 R)
• M14: 12,758,305 km (0.075 R)
• M15: 14,123,984 km (0.113 R)
• M16: 15,001,375 km (0.053 R)
• M17: 15,914,670 km (0.063 R)
• M18: 18,140,387 km (0.08 R)
• M19: 21,609,712 km (0.102 R)
• M20: 22,942,778 km (0.09 R)
• M21: 24,241,437 km (0.076 R)
• M22: 27,749,358 km (0.117 R)
• M23: 32,110,734 km (0.111 R)
• M24: 33,295,549 km (0.097 R)
• M25: 38,567,079 km (0.114 R)
• M26: 43,190,700 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 18,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit