🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 8.7

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.39 AU - 0.65 AU

Year: 264 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,962,793 km

• M1: 108,159 km (0.091 R)
• M2: 447,746 km (0.036 R)
• M3: 750,682 km (0.096 R)
• M4: 1,126,173 km (0.034 R)
• M5: 1,631,215 km (0.1 R)
• M6: 1,926,222 km (0.092 R)
• M7: 2,634,269 km (0.04 R)
• M8: 3,737,104 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.9

Radius: 9.3

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.66 AU - 1.08 AU

Year: 570 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,962,793 km

• M1: 115,639 km (0.106 R)
• M2: 454,329 km (0.088 R)
• M3: 1,089,222 km (0.049 R)
• M4: 1,440,179 km (0.1 R)
• M5: 1,750,445 km (0.064 R)
• M6: 2,124,439 km (0.085 R)
• M7: 2,604,649 km (0.09 R)
• M8: 3,119,415 km (0.114 R)
• M9: 3,592,144 km (0.091 R)
• M10: 4,444,553 km (0.086 R)
• M11: 4,877,190 km (0.1 R)
• M12: 5,337,652 km (0.109 R)
• M13: 5,678,885 km (0.047 R)
• M14: 6,565,851 km (0.102 R)
• M15: 7,042,769 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.4

Radius: 10.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.22 AU - 2.04 AU

Year: 1463 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,962,793 km

• M1: 134,937 km (0.116 R)
• M2: 659,427 km (0.057 R)
• M3: 1,014,423 km (0.049 R)
• M4: 2,120,999 km (0.096 R)
• M5: 2,916,859 km (0.087 R)
• M6: 6,168,818 km (0.104 R)
• M7: 8,261,692 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 14.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.94 AU - 2 AU

Year: 1944 Days

Day: 11.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,962,793 km

• M1: 182,958 km (0.086 R)
• M2: 673,490 km (0.09 R)
• M3: 1,237,773 km (0.065 R)
• M4: 1,847,833 km (0.077 R)
• M5: 2,795,236 km (0.081 R)
• M6: 3,320,474 km (0.102 R)
• M7: 4,948,698 km (0.051 R)
• M8: 6,305,999 km (0.098 R)
• M9: 6,971,410 km (0.041 R)
• M10: 7,448,628 km (0.041 R)
• M11: 8,367,906 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.12 AU - 3.18 AU

Year: 3930 Days

Day: 13.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 59.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,962,793 km

• M1: 99,483 km (0.047 R)
• M2: 396,434 km (0.104 R)
• M3: 651,948 km (0.108 R)
• M4: 1,030,430 km (0.11 R)
• M5: 1,363,136 km (0.039 R)
• M6: 1,646,624 km (0.115 R)
• M7: 2,094,370 km (0.108 R)
• M8: 2,675,708 km (0.097 R)
• M9: 3,328,104 km (0.101 R)
• M10: 4,480,456 km (0.118 R)
• M11: 5,008,836 km (0.079 R)
• M12: 5,761,762 km (0.115 R)
• M13: 6,767,508 km (0.109 R)
• M14: 9,281,800 km (0.086 R)
• M15: 11,231,359 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 10.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.1 AU - 4.12 AU

Year: 5857 Days

Day: 11.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 72.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,962,793 km

• M1: 135,685 km (0.076 R)
• M2: 645,814 km (0.101 R)
• M3: 1,029,682 km (0.09 R)
• M4: 2,307,547 km (0.083 R)
• M5: 3,304,019 km (0.055 R)
• M6: 3,686,391 km (0.106 R)
• M7: 4,490,330 km (0.114 R)
• M8: 4,880,481 km (0.095 R)
• M9: 6,284,158 km (0.103 R)
• M10: 6,840,811 km (0.114 R)
• M11: 7,977,905 km (0.083 R)
• M12: 8,552,361 km (0.099 R)
• M13: 10,220,227 km (0.038 R)
• M14: 11,510,060 km (0.107 R)
• M15: 12,094,838 km (0.101 R)
• M16: 12,445,196 km (0.112 R)
• M17: 18,219,525 km (0.099 R)
• M18: 18,680,436 km (0.032 R)
• M19: 19,149,126 km (0.101 R)
• M20: 20,040,131 km (0.066 R)
• M21: 21,246,937 km (0.12 R)
• M22: 24,039,929 km (0.106 R)
• M23: 25,647,209 km (0.049 R)
• M24: 27,239,528 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.3

Radius: 6.7

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.45 AU - 5.51 AU

Year: 9017 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,962,793 km

• M1: 83,326 km (0.051 R)
• M2: 543,489 km (0.114 R)
• M3: 1,473,090 km (0.115 R)
• M4: 2,572,934 km (0.118 R)
• M5: 4,509,478 km (0.111 R)
• M6: 4,844,877 km (0.043 R)
• M7: 5,256,869 km (0.096 R)
• M8: 6,389,774 km (0.09 R)
• M9: 8,443,753 km (0.051 R)
• M10: 10,318,663 km (0.111 R)
• M11: 10,656,006 km (0.079 R)
• M12: 12,079,729 km (0.117 R)
• M13: 13,568,527 km (0.097 R)
• M14: 13,973,638 km (0.087 R)
• M15: 14,686,771 km (0.08 R)
• M16: 15,992,910 km (0.119 R)
• M17: 19,049,194 km (0.052 R)
• M18: 19,999,739 km (0.119 R)
• M19: 22,554,123 km (0.102 R)
• M20: 35,711,405 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.3

Radius: 3.6

Gravity: 20.01 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.14 AU - 9.78 AU

Year: 17297 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,962,793 km

• M1: 44,730 km (0.103 R)
• M2: 197,020 km (0.064 R)
• M3: 335,847 km (0.062 R)
• M4: 769,980 km (0.105 R)
• M5: 952,789 km (0.108 R)
• M6: 1,352,514 km (0.075 R)
• M7: 2,130,423 km (0.09 R)
• M8: 2,452,208 km (0.056 R)
• M9: 2,762,325 km (0.069 R)
• M10: 3,121,210 km (0.07 R)
• M11: 4,097,186 km (0.091 R)
• M12: 4,384,564 km (0.081 R)
• M13: 4,871,954 km (0.097 R)
• M14: 5,327,330 km (0.076 R)
• M15: 5,496,525 km (0.112 R)
• M16: 5,845,986 km (0.111 R)
• M17: 6,705,425 km (0.069 R)
• M18: 7,645,947 km (0.11 R)
• M19: 10,826,996 km (0.094 R)
• M20: 12,115,184 km (0.112 R)
• M21: 13,753,579 km (0.114 R)
• M22: 15,193,160 km (0.099 R)
• M23: 15,671,424 km (0.094 R)
• M24: 16,372,141 km (0.063 R)
• M25: 20,935,923 km (0.108 R)
• M26: 21,527,882 km (0.108 R)
• M27: 23,733,403 km (0.076 R)
• M28: 23,916,212 km (0.05 R)
• M29: 24,284,372 km (0.114 R)
• M30: 28,794,149 km (0.101 R)
• M31: 29,210,779 km (0.032 R)
• M32: 41,241,739 km (0.101 R)
• M33: 42,573,460 km (0.118 R)
• M34: 44,763,423 km (0.11 R)
• M35: 46,597,044 km (0.101 R)
• M36: 47,460,074 km (0.08 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 19,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit