🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.71 AU - 1.03 AU

Year: 373 Days

Day: 34.2 Hours

Environment

Temp: -56 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,031,057 km

• M1: 64,776 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.94 AU - 1.18 AU

Year: 502 Days

Day: 28.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.56 AU - 2.24 AU

Year: 1205 Days

Day: 46.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,031,057 km

• M1: 104,120 km (0.098 R)

Asteroid Belt

Center: 2.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 9.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.24 AU - 3.62 AU

Year: 2923 Days

Day: 10.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,031,057 km

• M1: 119,379 km (0.029 R)
• M2: 440,865 km (0.116 R)
• M3: 781,050 km (0.114 R)
• M4: 1,284,298 km (0.114 R)
• M5: 1,611,169 km (0.091 R)
• M6: 2,946,031 km (0.094 R)
• M7: 3,323,167 km (0.116 R)
• M8: 3,810,407 km (0.103 R)
• M9: 4,541,193 km (0.119 R)
• M10: 5,214,982 km (0.111 R)
• M11: 5,640,139 km (0.097 R)
• M12: 6,115,411 km (0.091 R)
• M13: 6,446,771 km (0.066 R)
• M14: 7,514,151 km (0.037 R)
• M15: 8,255,259 km (0.028 R)
• M16: 9,366,472 km (0.03 R)
• M17: 9,845,335 km (0.114 R)
• M18: 10,186,269 km (0.109 R)
• M19: 13,205,602 km (0.081 R)
• M20: 15,623,254 km (0.057 R)
• M21: 16,244,833 km (0.111 R)
• M22: 17,703,262 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 10.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.91 AU - 4.81 AU

Year: 3490 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,031,057 km

• M1: 131,796 km (0.112 R)
• M2: 1,219,671 km (0.119 R)
• M3: 1,687,913 km (0.102 R)
• M4: 2,662,693 km (0.111 R)
• M5: 3,043,419 km (0.113 R)
• M6: 3,536,942 km (0.094 R)
• M7: 4,212,078 km (0.038 R)
• M8: 4,802,690 km (0.114 R)
• M9: 5,268,687 km (0.11 R)
• M10: 5,791,532 km (0.087 R)
• M11: 6,262,915 km (0.055 R)
• M12: 6,640,649 km (0.106 R)
• M13: 7,766,673 km (0.058 R)
• M14: 8,691,487 km (0.048 R)
• M15: 9,573,815 km (0.084 R)
• M16: 10,154,853 km (0.048 R)
• M17: 11,133,373 km (0.119 R)
• M18: 11,473,109 km (0.107 R)
• M19: 12,084,516 km (0.099 R)
• M20: 12,534,357 km (0.087 R)
• M21: 13,853,810 km (0.025 R)
• M22: 14,547,196 km (0.094 R)
• M23: 14,953,654 km (0.106 R)
• M24: 16,601,025 km (0.103 R)
• M25: 17,957,130 km (0.117 R)
• M26: 18,721,874 km (0.087 R)
• M27: 19,630,981 km (0.047 R)
• M28: 20,253,308 km (0.113 R)
• M29: 22,806,495 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 10.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.45 AU - 4.95 AU

Year: 3961 Days

Day: 13.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,031,057 km

• M1: 128,056 km (0.103 R)
• M2: 448,195 km (0.092 R)
• M3: 1,138,290 km (0.112 R)
• M4: 2,744,373 km (0.111 R)
• M5: 3,107,597 km (0.068 R)
• M6: 4,330,110 km (0.073 R)
• M7: 4,942,714 km (0.098 R)
• M8: 7,503,081 km (0.05 R)
• M9: 10,679,343 km (0.112 R)
• M10: 11,002,624 km (0.115 R)
• M11: 15,107,440 km (0.077 R)
• M12: 18,523,208 km (0.116 R)
• M13: 20,133,330 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 10.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.53 AU - 5.31 AU

Year: 5022 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 160.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,031,057 km

• M1: 129,552 km (0.105 R)
• M2: 619,485 km (0.089 R)
• M3: 979,268 km (0.077 R)
• M4: 1,322,744 km (0.084 R)
• M5: 1,868,178 km (0.077 R)
• M6: 3,209,174 km (0.056 R)
• M7: 4,050,362 km (0.084 R)
• M8: 4,580,238 km (0.086 R)
• M9: 5,358,446 km (0.084 R)
• M10: 6,990,409 km (0.08 R)
• M11: 7,429,629 km (0.086 R)
• M12: 8,502,844 km (0.082 R)
• M13: 9,373,354 km (0.11 R)
• M14: 10,103,840 km (0.053 R)
• M15: 10,871,876 km (0.116 R)
• M16: 14,740,626 km (0.106 R)
• M17: 15,834,785 km (0.115 R)
• M18: 16,870,601 km (0.056 R)
• M19: 19,016,433 km (0.12 R)
• M20: 19,687,977 km (0.119 R)
• M21: 20,885,060 km (0.041 R)
• M22: 21,731,783 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 15

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.5 AU - 8.96 AU

Year: 8946 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,031,057 km

• M1: 187,745 km (0.095 R)
• M2: 771,476 km (0.097 R)
• M3: 1,670,859 km (0.081 R)
• M4: 2,192,357 km (0.115 R)
• M5: 2,785,363 km (0.071 R)
• M6: 3,574,940 km (0.061 R)
• M7: 10,609,631 km (0.074 R)
• M8: 12,753,069 km (0.101 R)
• M9: 14,100,347 km (0.061 R)
• M10: 17,409,602 km (0.119 R)

Asteroid Belt

Center: 10.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 13.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.2

Radius: 3.3

Gravity: 37.94 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 12.06 AU - 15.64 AU

Year: 23719 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,031,057 km

• M1: 40,990 km (0.106 R)
• M2: 181,612 km (0.112 R)
• M3: 330,462 km (0.08 R)
• M4: 453,880 km (0.12 R)
• M5: 1,984,715 km (0.079 R)
• M6: 2,699,344 km (0.057 R)
• M7: 3,371,936 km (0.09 R)
• M8: 6,822,261 km (0.113 R)
• M9: 7,094,081 km (0.057 R)
• M10: 8,878,783 km (0.067 R)
• M11: 9,590,570 km (0.074 R)
• M12: 12,018,394 km (0.116 R)
• M13: 14,826,346 km (0.078 R)
• M14: 19,811,246 km (0.069 R)
• M15: 28,509,315 km (0.107 R)
• M16: 31,270,144 km (0.032 R)
• M17: 47,120,487 km (0.083 R)
• M18: 50,280,293 km (0.06 R)
• M19: 59,453,934 km (0.084 R)
• M20: 60,217,332 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 13,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit