🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.69 AU - 0.81 AU

Year: 229 Days

Day: 13.7 Hours

Environment

Temp: 217 °C

Axial Tilt: 139.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.63 AU - 1.01 AU

Year: 262 Days

Day: 30.5 Hours

Environment

Temp: 104 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.84 AU - 1.2 AU

Year: 364 Days

Day: 25 Hours

Environment

Temp: 158 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 92,859,219 km

• M1: 43,234 km (0.073 R)
• M2: 544,835 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.95 AU - 2.59 AU

Year: 1208 Days

Day: 14.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 10

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.65 AU - 7.51 AU

Year: 5960 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,859,219 km

• M1: 124,615 km (0.098 R)
• M2: 685,158 km (0.04 R)
• M3: 1,222,065 km (0.11 R)
• M4: 1,635,703 km (0.094 R)
• M5: 2,424,533 km (0.053 R)
• M6: 2,914,765 km (0.103 R)
• M7: 3,428,035 km (0.062 R)
• M8: 4,559,594 km (0.067 R)
• M9: 5,141,978 km (0.094 R)
• M10: 5,480,219 km (0.094 R)
• M11: 6,683,584 km (0.074 R)
• M12: 8,243,291 km (0.106 R)
• M13: 9,859,996 km (0.093 R)
• M14: 10,383,887 km (0.032 R)
• M15: 13,443,912 km (0.048 R)
• M16: 13,763,602 km (0.07 R)
• M17: 17,183,410 km (0.112 R)
• M18: 18,723,520 km (0.059 R)
• M19: 19,189,667 km (0.103 R)
• M20: 20,144,999 km (0.102 R)
• M21: 20,704,944 km (0.097 R)
• M22: 21,564,383 km (0.103 R)
• M23: 22,671,857 km (0.034 R)
• M24: 23,277,877 km (0.063 R)
• M25: 25,483,997 km (0.086 R)
• M26: 26,056,658 km (0.096 R)
• M27: 26,470,894 km (0.085 R)
• M28: 30,308,080 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 8.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.32 AU - 8.12 AU

Year: 6850 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,859,219 km

• M1: 361,728 km (0.089 R)
• M2: 2,705,777 km (0.065 R)
• M3: 4,138,176 km (0.111 R)
• M4: 5,229,343 km (0.094 R)
• M5: 5,588,677 km (0.105 R)
• M6: 6,047,195 km (0.066 R)
• M7: 7,008,959 km (0.093 R)
• M8: 7,802,875 km (0.099 R)
• M9: 8,690,888 km (0.084 R)
• M10: 18,422,230 km (0.079 R)
• M11: 19,867,196 km (0.079 R)
• M12: 21,975,329 km (0.095 R)

Asteroid Belt

Center: 7.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.4

Radius: 12

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.67 AU - 8.17 AU

Year: 7870 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,859,219 km

• M1: 151,692 km (0.038 R)
• M2: 551,867 km (0.109 R)
• M3: 1,106,426 km (0.109 R)
• M4: 1,490,892 km (0.111 R)
• M5: 1,911,861 km (0.086 R)
• M6: 2,381,000 km (0.116 R)
• M7: 3,075,882 km (0.114 R)
• M8: 3,492,512 km (0.094 R)
• M9: 5,638,942 km (0.1 R)
• M10: 6,550,442 km (0.107 R)
• M11: 9,380,235 km (0.114 R)
• M12: 10,133,909 km (0.107 R)
• M13: 16,467,285 km (0.095 R)
• M14: 17,009,727 km (0.066 R)
• M15: 19,167,826 km (0.068 R)
• M16: 22,370,118 km (0.083 R)
• M17: 28,847,705 km (0.093 R)
• M18: 29,636,685 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.6

Radius: 3.9

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 11.76 AU - 15.62 AU

Year: 17886 Days

Day: 23.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,859,219 km

• M1: 48,769 km (0.067 R)
• M2: 235,916 km (0.101 R)
• M3: 1,220,419 km (0.102 R)
• M4: 1,791,285 km (0.061 R)
• M5: 3,341,717 km (0.109 R)
• M6: 3,699,406 km (0.097 R)
• M7: 4,547,027 km (0.092 R)
• M8: 6,400,096 km (0.113 R)
• M9: 9,989,547 km (0.061 R)
• M10: 10,379,250 km (0.064 R)
• M11: 12,933,783 km (0.114 R)
• M12: 13,338,296 km (0.056 R)
• M13: 14,914,459 km (0.082 R)
• M14: 15,167,579 km (0.106 R)
• M15: 15,878,168 km (0.11 R)
• M16: 18,795,925 km (0.088 R)
• M17: 19,091,231 km (0.095 R)
• M18: 19,464,478 km (0.115 R)
• M19: 20,927,845 km (0.105 R)
• M20: 22,051,923 km (0.057 R)
• M21: 22,215,733 km (0.08 R)
• M22: 27,800,670 km (0.084 R)
• M23: 29,059,087 km (0.119 R)
• M24: 31,171,260 km (0.075 R)
• M25: 33,383,363 km (0.051 R)
• M26: 34,034,114 km (0.091 R)
• M27: 34,804,094 km (0.059 R)
• M28: 36,378,462 km (0.095 R)
• M29: 37,999,804 km (0.102 R)
• M30: 39,910,917 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832

Radius: 4.5

Gravity: 41.09 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 14.88 AU - 18.86 AU

Year: 24466 Days

Day: 19.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 92,859,219 km

• M1: 62,382 km (0.103 R)
• M2: 274,362 km (0.108 R)
• M3: 879,037 km (0.107 R)
• M4: 1,744,162 km (0.037 R)
• M5: 2,204,325 km (0.119 R)
• M6: 2,414,360 km (0.072 R)
• M7: 2,794,039 km (0.058 R)
• M8: 3,068,552 km (0.049 R)
• M9: 4,172,883 km (0.115 R)
• M10: 6,084,893 km (0.104 R)
• M11: 6,785,311 km (0.038 R)
• M12: 8,233,867 km (0.045 R)
• M13: 8,456,468 km (0.089 R)
• M14: 8,625,963 km (0.071 R)
• M15: 16,441,105 km (0.079 R)
• M16: 18,445,417 km (0.108 R)
• M17: 19,901,753 km (0.058 R)
• M18: 21,017,154 km (0.075 R)
• M19: 24,727,481 km (0.107 R)
• M20: 26,374,404 km (0.101 R)
• M21: 31,344,943 km (0.076 R)
• M22: 33,694,078 km (0.101 R)
• M23: 36,904,897 km (0.069 R)
• M24: 42,423,712 km (0.092 R)
• M25: 51,412,151 km (0.078 R)
• M26: 55,652,203 km (0.067 R)
• M27: 57,048,699 km (0.082 R)
• M28: 62,654,131 km (0.087 R)
• M29: 64,382,884 km (0.111 R)
• M30: 64,820,009 km (0.081 R)
• M31: 65,259,079 km (0.093 R)
• M32: 69,529,650 km (0.061 R)
• M33: 71,616,091 km (0.041 R)
• M34: 72,556,613 km (0.109 R)
• M35: 78,125,094 km (0.042 R)
• M36: 82,934,516 km (0.104 R)
• M37: 85,279,912 km (0.084 R)
• M38: 92,859,288 km (0.067 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 12,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit