🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.49 AU - 0.57 AU

Year: 253 Days

Day: 14.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.7

Radius: 11.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.24 AU - 1.74 AU

Year: 1193 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,554,802 km

• M1: 145,559 km (0.11 R)
• M2: 553,961 km (0.115 R)
• M3: 996,621 km (0.089 R)
• M4: 1,512,434 km (0.115 R)
• M5: 1,951,953 km (0.095 R)
• M6: 2,576,823 km (0.115 R)
• M7: 3,094,582 km (0.046 R)
• M8: 3,709,878 km (0.096 R)
• M9: 4,180,213 km (0.103 R)
• M10: 4,588,316 km (0.092 R)
• M11: 5,542,601 km (0.12 R)
• M12: 6,283,859 km (0.049 R)
• M13: 7,577,880 km (0.083 R)
• M14: 8,338,436 km (0.102 R)
• M15: 8,803,087 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 13.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.47 AU - 1.61 AU

Year: 1254 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,554,802 km

• M1: 169,195 km (0.069 R)
• M2: 766,091 km (0.114 R)
• M3: 1,717,533 km (0.11 R)
• M4: 4,596,694 km (0.09 R)
• M5: 5,269,735 km (0.117 R)
• M6: 6,214,146 km (0.09 R)
• M7: 9,450,696 km (0.119 R)
• M8: 10,409,020 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 9.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.22 AU - 3.38 AU

Year: 3933 Days

Day: 12.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,554,802 km

• M1: 123,119 km (0.094 R)
• M2: 453,581 km (0.054 R)
• M3: 793,018 km (0.039 R)
• M4: 1,167,761 km (0.111 R)
• M5: 2,666,881 km (0.074 R)
• M6: 3,018,436 km (0.071 R)
• M7: 3,623,410 km (0.108 R)
• M8: 5,219,021 km (0.094 R)
• M9: 6,145,331 km (0.116 R)
• M10: 6,590,684 km (0.056 R)
• M11: 7,452,667 km (0.11 R)
• M12: 9,992,091 km (0.117 R)
• M13: 14,175,445 km (0.098 R)
• M14: 15,253,448 km (0.119 R)
• M15: 17,188,496 km (0.088 R)
• M16: 17,572,215 km (0.071 R)
• M17: 18,073,966 km (0.113 R)
• M18: 19,875,573 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.4

Radius: 14.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5 AU - 6.12 AU

Year: 8600 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,554,802 km

• M1: 188,643 km (0.102 R)
• M2: 890,407 km (0.104 R)
• M3: 1,541,456 km (0.098 R)
• M4: 3,012,004 km (0.091 R)
• M5: 3,948,037 km (0.118 R)
• M6: 4,544,933 km (0.113 R)
• M7: 5,070,769 km (0.116 R)
• M8: 6,612,974 km (0.085 R)
• M9: 9,407,163 km (0.113 R)
• M10: 10,057,016 km (0.071 R)
• M11: 11,859,970 km (0.105 R)
• M12: 14,182,327 km (0.1 R)
• M13: 15,758,341 km (0.046 R)
• M14: 16,559,886 km (0.107 R)
• M15: 24,282,577 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.3

Radius: 5.4

Gravity: 27.41 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.85 AU - 11.95 AU

Year: 20434 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,554,802 km

• M1: 67,469 km (0.055 R)
• M2: 335,698 km (0.079 R)
• M3: 525,089 km (0.053 R)
• M4: 1,320,650 km (0.039 R)
• M5: 1,966,614 km (0.093 R)
• M6: 2,462,680 km (0.046 R)
• M7: 2,752,750 km (0.093 R)
• M8: 3,230,267 km (0.105 R)
• M9: 3,918,866 km (0.081 R)
• M10: 4,113,493 km (0.086 R)
• M11: 4,452,481 km (0.048 R)
• M12: 5,828,483 km (0.11 R)
• M13: 6,168,967 km (0.071 R)
• M14: 6,344,147 km (0.115 R)
• M15: 7,125,945 km (0.118 R)
• M16: 7,367,695 km (0.028 R)
• M17: 7,918,814 km (0.119 R)
• M18: 8,336,491 km (0.098 R)
• M19: 11,222,234 km (0.098 R)
• M20: 16,998,357 km (0.1 R)
• M21: 17,430,246 km (0.075 R)
• M22: 18,315,866 km (0.069 R)
• M23: 18,769,895 km (0.108 R)
• M24: 19,324,455 km (0.057 R)
• M25: 26,278,811 km (0.074 R)
• M26: 35,288,791 km (0.079 R)
• M27: 36,560,074 km (0.105 R)
• M28: 40,403,692 km (0.118 R)
• M29: 44,345,147 km (0.11 R)
• M30: 44,998,740 km (0.031 R)
• M31: 48,191,009 km (0.104 R)
• M32: 54,647,354 km (0.081 R)
• M33: 55,398,335 km (0.112 R)
• M34: 62,880,323 km (0.065 R)
• M35: 65,798,080 km (0.111 R)
• M36: 66,861,721 km (0.067 R)
• M37: 69,680,594 km (0.119 R)
• M38: 76,252,279 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.8

Radius: 4.4

Gravity: 18.02 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.07 AU - 13.31 AU

Year: 22929 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,554,802 km

• M1: 56,099 km (0.085 R)
• M2: 283,638 km (0.111 R)
• M3: 661,821 km (0.113 R)
• M4: 1,144,424 km (0.111 R)
• M5: 1,594,115 km (0.115 R)
• M6: 2,193,254 km (0.11 R)
• M7: 2,401,345 km (0.089 R)
• M8: 3,131,532 km (0.087 R)
• M9: 4,637,983 km (0.075 R)
• M10: 4,911,597 km (0.092 R)
• M11: 6,655,011 km (0.107 R)
• M12: 7,409,134 km (0.103 R)
• M13: 7,878,422 km (0.114 R)
• M14: 12,370,098 km (0.118 R)
• M15: 12,565,473 km (0.057 R)
• M16: 12,895,935 km (0.091 R)
• M17: 13,712,440 km (0.075 R)
• M18: 16,921,614 km (0.116 R)
• M19: 17,487,243 km (0.099 R)
• M20: 18,999,977 km (0.106 R)
• M21: 21,711,139 km (0.059 R)
• M22: 21,900,530 km (0.092 R)
• M23: 22,669,313 km (0.118 R)
• M24: 23,655,313 km (0.073 R)
• M25: 24,362,163 km (0.109 R)
• M26: 25,083,225 km (0.065 R)
• M27: 31,370,374 km (0.102 R)
• M28: 38,630,957 km (0.119 R)
• M29: 39,893,414 km (0.085 R)
• M30: 44,757,439 km (0.061 R)
• M31: 48,050,088 km (0.119 R)
• M32: 59,258,260 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit