🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.55 AU - 0.65 AU

Year: 169 Days

Day: 23.6 Hours

Environment

Temp: 168 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.78 AU - 1.18 AU

Year: 353 Days

Day: 19.1 Hours

Environment

Temp: 45 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.35 AU - 2.57 AU

Year: 1402 Days

Day: 14 Hours

Environment

Temp: -93 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,025,802 km

• M1: 29,471 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.6

Radius: 13.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.45 AU - 5.83 AU

Year: 4235 Days

Day: 8.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,025,802 km

• M1: 172,038 km (0.095 R)
• M2: 678,277 km (0.118 R)
• M3: 1,347,578 km (0.103 R)
• M4: 1,875,509 km (0.104 R)
• M5: 2,483,025 km (0.099 R)
• M6: 3,508,968 km (0.108 R)
• M7: 4,224,644 km (0.114 R)
• M8: 4,941,068 km (0.046 R)
• M9: 6,361,051 km (0.049 R)
• M10: 9,917,591 km (0.108 R)
• M11: 10,899,402 km (0.03 R)
• M12: 11,645,596 km (0.103 R)
• M13: 12,873,944 km (0.106 R)
• M14: 13,803,096 km (0.11 R)
• M15: 16,215,212 km (0.106 R)
• M16: 17,133,444 km (0.079 R)
• M17: 20,280,834 km (0.098 R)
• M18: 20,777,798 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 11.3

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.76 AU - 5.84 AU

Year: 4434 Days

Day: 5.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,025,802 km

• M1: 144,960 km (0.091 R)
• M2: 523,443 km (0.084 R)
• M3: 990,338 km (0.034 R)
• M4: 1,355,806 km (0.117 R)
• M5: 1,950,607 km (0.114 R)
• M6: 2,357,662 km (0.104 R)
• M7: 2,858,217 km (0.109 R)
• M8: 6,538,773 km (0.065 R)
• M9: 8,704,053 km (0.112 R)
• M10: 9,147,611 km (0.106 R)
• M11: 10,569,688 km (0.102 R)
• M12: 10,981,830 km (0.072 R)
• M13: 13,685,213 km (0.104 R)
• M14: 14,341,349 km (0.113 R)
• M15: 15,716,603 km (0.086 R)
• M16: 24,092,587 km (0.112 R)
• M17: 29,581,034 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 13.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.51 AU - 9.43 AU

Year: 8959 Days

Day: 6 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,025,802 km

• M1: 175,179 km (0.076 R)
• M2: 620,382 km (0.059 R)
• M3: 1,297,911 km (0.045 R)
• M4: 1,740,122 km (0.09 R)
• M5: 2,198,341 km (0.091 R)
• M6: 2,697,998 km (0.12 R)
• M7: 3,205,882 km (0.104 R)
• M8: 4,823,035 km (0.079 R)
• M9: 6,193,801 km (0.05 R)
• M10: 6,629,729 km (0.061 R)
• M11: 7,362,310 km (0.111 R)
• M12: 8,628,356 km (0.105 R)
• M13: 9,407,612 km (0.116 R)
• M14: 10,845,098 km (0.102 R)
• M15: 11,918,612 km (0.107 R)
• M16: 12,885,912 km (0.116 R)
• M17: 13,782,302 km (0.105 R)
• M18: 18,824,798 km (0.066 R)
• M19: 20,374,033 km (0.034 R)
• M20: 22,683,824 km (0.119 R)
• M21: 25,717,071 km (0.086 R)
• M22: 27,137,652 km (0.064 R)
• M23: 28,609,994 km (0.089 R)
• M24: 30,759,716 km (0.066 R)
• M25: 33,125,457 km (0.118 R)
• M26: 37,733,221 km (0.104 R)
• M27: 39,815,024 km (0.098 R)
• M28: 40,567,651 km (0.075 R)
• M29: 45,420,606 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 14.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.85 AU - 10.11 AU

Year: 9780 Days

Day: 5.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,025,802 km

• M1: 180,415 km (0.086 R)
• M2: 709,692 km (0.098 R)
• M3: 1,189,602 km (0.099 R)
• M4: 1,703,022 km (0.1 R)
• M5: 2,630,978 km (0.091 R)
• M6: 3,199,300 km (0.058 R)
• M7: 3,747,576 km (0.103 R)
• M8: 4,330,858 km (0.109 R)
• M9: 5,748,597 km (0.115 R)
• M10: 6,272,489 km (0.084 R)
• M11: 7,059,673 km (0.08 R)
• M12: 8,081,726 km (0.109 R)
• M13: 8,968,692 km (0.091 R)
• M14: 9,821,699 km (0.108 R)
• M15: 12,592,102 km (0.097 R)
• M16: 13,119,733 km (0.079 R)
• M17: 13,970,048 km (0.025 R)
• M18: 19,863,456 km (0.03 R)
• M19: 20,822,228 km (0.032 R)
• M20: 21,811,519 km (0.117 R)
• M21: 27,331,830 km (0.097 R)
• M22: 28,019,681 km (0.106 R)
• M23: 38,043,487 km (0.096 R)
• M24: 39,272,732 km (0.086 R)
• M25: 41,422,902 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 11.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 10.36 AU - 14.52 AU

Year: 15946 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,025,802 km

• M1: 143,016 km (0.099 R)
• M2: 515,514 km (0.039 R)
• M3: 940,671 km (0.116 R)
• M4: 2,216,741 km (0.052 R)
• M5: 2,835,328 km (0.116 R)
• M6: 3,198,702 km (0.037 R)
• M7: 3,932,479 km (0.076 R)
• M8: 6,200,233 km (0.042 R)
• M9: 7,032,745 km (0.069 R)
• M10: 10,202,276 km (0.109 R)
• M11: 15,965,085 km (0.089 R)
• M12: 19,014,488 km (0.108 R)
• M13: 20,856,486 km (0.085 R)
• M14: 21,404,015 km (0.116 R)
• M15: 25,302,086 km (0.101 R)
• M16: 28,296,886 km (0.045 R)
• M17: 30,110,311 km (0.1 R)
• M18: 34,092,906 km (0.11 R)
• M19: 36,014,191 km (0.051 R)
• M20: 47,808,637 km (0.092 R)
• M21: 49,402,752 km (0.055 R)
• M22: 53,033,941 km (0.113 R)
• M23: 53,542,424 km (0.042 R)
• M24: 60,268,943 km (0.051 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit