🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.47 AU - 0.69 AU

Year: 281 Days

Day: 31.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 14.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.74 AU - 1.04 AU

Year: 534 Days

Day: 13 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,529,717 km

• M1: 177,573 km (0.08 R)
• M2: 749,485 km (0.102 R)
• M3: 1,263,952 km (0.114 R)
• M4: 2,218,686 km (0.086 R)
• M5: 2,701,588 km (0.026 R)
• M6: 3,599,474 km (0.119 R)
• M7: 5,198,376 km (0.073 R)
• M8: 6,138,001 km (0.061 R)
• M9: 6,628,532 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.5

Radius: 10.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.86 AU - 1.12 AU

Year: 626 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,529,717 km

• M1: 131,796 km (0.089 R)
• M2: 857,196 km (0.058 R)
• M3: 1,298,061 km (0.042 R)
• M4: 1,692,251 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 13.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.99 AU - 1.25 AU

Year: 754 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,529,717 km

• M1: 169,195 km (0.107 R)
• M2: 617,690 km (0.071 R)
• M3: 1,112,859 km (0.071 R)
• M4: 1,595,910 km (0.091 R)
• M5: 2,192,357 km (0.112 R)
• M6: 2,958,597 km (0.094 R)
• M7: 3,622,064 km (0.104 R)
• M8: 4,128,004 km (0.119 R)
• M9: 4,729,387 km (0.1 R)
• M10: 5,179,527 km (0.036 R)
• M11: 5,658,390 km (0.118 R)
• M12: 7,254,150 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 8.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.32 AU - 1.82 AU

Year: 1251 Days

Day: 6.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,529,717 km

• M1: 106,364 km (0.068 R)
• M2: 457,769 km (0.106 R)
• M3: 905,666 km (0.079 R)
• M4: 1,368,222 km (0.033 R)
• M5: 1,712,148 km (0.099 R)
• M6: 1,990,250 km (0.056 R)
• M7: 3,759,694 km (0.081 R)
• M8: 4,337,141 km (0.117 R)
• M9: 5,136,443 km (0.079 R)

Asteroid Belt

Center: 5.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.8

Radius: 3.9

Gravity: 31.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.43 AU - 10.03 AU

Year: 16400 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,529,717 km

• M1: 69,563 km (0.087 R)
• M2: 434,432 km (0.109 R)
• M3: 1,249,591 km (0.111 R)
• M4: 1,790,088 km (0.103 R)
• M5: 2,112,472 km (0.087 R)
• M6: 2,601,058 km (0.038 R)
• M7: 3,496,401 km (0.094 R)
• M8: 5,794,075 km (0.086 R)
• M9: 7,294,991 km (0.102 R)
• M10: 7,471,366 km (0.091 R)
• M11: 10,194,347 km (0.066 R)
• M12: 11,866,103 km (0.072 R)
• M13: 13,055,406 km (0.08 R)
• M14: 14,048,736 km (0.109 R)
• M15: 14,390,717 km (0.119 R)
• M16: 15,595,129 km (0.077 R)
• M17: 20,908,846 km (0.109 R)
• M18: 22,823,399 km (0.06 R)
• M19: 23,011,593 km (0.099 R)
• M20: 27,525,410 km (0.088 R)
• M21: 28,602,814 km (0.072 R)
• M22: 30,612,362 km (0.077 R)
• M23: 33,435,573 km (0.084 R)
• M24: 34,785,694 km (0.099 R)
• M25: 35,663,384 km (0.112 R)
• M26: 36,044,111 km (0.12 R)
• M27: 40,412,070 km (0.09 R)
• M28: 42,793,967 km (0.099 R)
• M29: 46,464,351 km (0.113 R)
• M30: 50,180,063 km (0.116 R)
• M31: 53,589,697 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.7

Radius: 7.6

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.35 AU - 10.43 AU

Year: 16853 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,529,717 km

• M1: 95,743 km (0.106 R)
• M2: 394,340 km (0.116 R)
• M3: 846,126 km (0.106 R)
• M4: 2,009,099 km (0.108 R)
• M5: 3,103,857 km (0.09 R)
• M6: 4,484,346 km (0.114 R)
• M7: 4,725,498 km (0.07 R)
• M8: 5,619,644 km (0.083 R)
• M9: 6,318,116 km (0.112 R)
• M10: 9,987,004 km (0.083 R)
• M11: 11,772,305 km (0.058 R)
• M12: 12,569,811 km (0.114 R)
• M13: 14,271,936 km (0.114 R)
• M14: 14,871,973 km (0.041 R)
• M15: 21,147,155 km (0.036 R)
• M16: 26,560,803 km (0.06 R)
• M17: 34,140,628 km (0.025 R)
• M18: 36,445,781 km (0.073 R)
• M19: 38,997,472 km (0.08 R)
• M20: 60,857,012 km (0.108 R)
• M21: 61,444,333 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.6

Radius: 6.9

Gravity: 20.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.44 AU - 11.92 AU

Year: 19149 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,529,717 km

• M1: 86,617 km (0.108 R)
• M2: 414,984 km (0.06 R)
• M3: 825,930 km (0.077 R)
• M4: 1,253,780 km (0.091 R)
• M5: 1,469,350 km (0.114 R)
• M6: 2,384,141 km (0.037 R)
• M7: 3,365,503 km (0.115 R)
• M8: 4,416,129 km (0.079 R)
• M9: 7,439,053 km (0.044 R)
• M10: 7,842,668 km (0.085 R)
• M11: 8,155,029 km (0.115 R)
• M12: 9,028,680 km (0.052 R)
• M13: 11,025,064 km (0.066 R)
• M14: 14,044,697 km (0.075 R)
• M15: 14,583,399 km (0.107 R)
• M16: 17,049,819 km (0.092 R)
• M17: 17,486,196 km (0.077 R)
• M18: 20,165,943 km (0.12 R)
• M19: 20,654,080 km (0.09 R)
• M20: 21,653,993 km (0.1 R)
• M21: 30,972,294 km (0.035 R)
• M22: 31,884,393 km (0.089 R)
• M23: 34,589,272 km (0.083 R)
• M24: 37,297,143 km (0.091 R)
• M25: 38,478,368 km (0.093 R)
• M26: 40,915,167 km (0.069 R)
• M27: 41,697,415 km (0.1 R)
• M28: 47,625,679 km (0.098 R)
• M29: 48,317,120 km (0.07 R)
• M30: 49,543,374 km (0.115 R)
• M31: 52,607,288 km (0.087 R)
• M32: 54,467,388 km (0.047 R)
• M33: 61,731,113 km (0.03 R)
• M34: 69,614,472 km (0.086 R)
• M35: 71,628,508 km (0.114 R)
• M36: 81,051,378 km (0.072 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 14,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit