🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 12.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.58 AU - 0.62 AU

Year: 315 Days

Day: 9.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,487,315 km

• M1: 151,692 km (0.09 R)
• M2: 554,111 km (0.117 R)
• M3: 952,490 km (0.103 R)
• M4: 1,358,947 km (0.103 R)
• M5: 1,855,612 km (0.11 R)
• M6: 2,970,415 km (0.042 R)
• M7: 3,568,059 km (0.09 R)
• M8: 4,071,007 km (0.104 R)
• M9: 4,462,654 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 13.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.9 AU - 1.38 AU

Year: 826 Days

Day: 11 Hours

Environment

Temp: -190 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,487,315 km

• M1: 165,455 km (0.119 R)
• M2: 642,972 km (0.085 R)
• M3: 1,164,619 km (0.103 R)
• M4: 1,731,595 km (0.089 R)
• M5: 2,196,097 km (0.119 R)
• M6: 3,796,196 km (0.119 R)
• M7: 5,703,568 km (0.107 R)
• M8: 6,151,315 km (0.114 R)
• M9: 6,770,800 km (0.12 R)
• M10: 7,206,728 km (0.112 R)
• M11: 7,990,920 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 14.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.07 AU - 1.21 AU

Year: 826 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,487,315 km

• M1: 185,352 km (0.11 R)
• M2: 696,677 km (0.116 R)
• M3: 1,180,926 km (0.086 R)
• M4: 1,734,887 km (0.096 R)
• M5: 2,430,965 km (0.116 R)
• M6: 2,907,285 km (0.081 R)
• M7: 3,502,984 km (0.044 R)
• M8: 4,325,174 km (0.066 R)
• M9: 4,835,751 km (0.085 R)
• M10: 5,599,149 km (0.113 R)
• M11: 6,593,676 km (0.107 R)
• M12: 8,380,174 km (0.052 R)
• M13: 9,096,598 km (0.116 R)
• M14: 9,625,127 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 13.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.31 AU - 1.91 AU

Year: 1386 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,487,315 km

• M1: 166,652 km (0.089 R)
• M2: 587,471 km (0.076 R)
• M3: 1,041,650 km (0.102 R)
• M4: 1,491,192 km (0.081 R)
• M5: 2,094,221 km (0.055 R)
• M6: 2,543,463 km (0.119 R)
• M7: 3,154,570 km (0.117 R)
• M8: 3,766,426 km (0.099 R)
• M9: 5,013,773 km (0.109 R)
• M10: 5,534,074 km (0.09 R)
• M11: 6,636,910 km (0.099 R)
• M12: 7,216,003 km (0.116 R)
• M13: 8,067,215 km (0.099 R)
• M14: 8,984,399 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 10.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.83 AU - 2.63 AU

Year: 2259 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,487,315 km

• M1: 130,599 km (0.078 R)
• M2: 485,744 km (0.117 R)
• M3: 820,096 km (0.065 R)
• M4: 1,238,222 km (0.098 R)
• M5: 1,679,834 km (0.038 R)
• M6: 2,261,022 km (0.054 R)
• M7: 2,719,839 km (0.088 R)
• M8: 3,074,386 km (0.092 R)
• M9: 3,508,220 km (0.068 R)
• M10: 4,217,613 km (0.07 R)
• M11: 4,754,968 km (0.119 R)
• M12: 7,510,262 km (0.058 R)
• M13: 9,367,220 km (0.111 R)
• M14: 9,883,782 km (0.093 R)
• M15: 13,072,460 km (0.109 R)
• M16: 13,432,991 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.4

Radius: 12.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.56 AU - 6.36 AU

Year: 8653 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,487,315 km

• M1: 160,369 km (0.11 R)
• M2: 785,987 km (0.115 R)
• M3: 1,191,397 km (0.062 R)
• M4: 1,845,290 km (0.108 R)
• M5: 2,609,735 km (0.056 R)
• M6: 3,725,885 km (0.102 R)
• M7: 4,296,152 km (0.06 R)
• M8: 5,613,062 km (0.091 R)
• M9: 6,587,542 km (0.109 R)
• M10: 7,014,495 km (0.096 R)
• M11: 7,600,619 km (0.104 R)
• M12: 9,230,488 km (0.049 R)
• M13: 9,640,835 km (0.114 R)
• M14: 11,405,940 km (0.025 R)
• M15: 11,831,247 km (0.064 R)
• M16: 16,149,988 km (0.056 R)
• M17: 16,626,756 km (0.107 R)
• M18: 19,086,594 km (0.064 R)
• M19: 23,940,297 km (0.075 R)
• M20: 24,404,649 km (0.032 R)
• M21: 26,077,003 km (0.102 R)
• M22: 27,401,543 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.9

Radius: 4.8

Gravity: 40.01 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.55 AU - 10.33 AU

Year: 21255 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,487,315 km

• M1: 59,690 km (0.111 R)
• M2: 331,808 km (0.099 R)
• M3: 1,705,117 km (0.119 R)
• M4: 2,191,908 km (0.057 R)
• M5: 2,818,424 km (0.09 R)
• M6: 3,144,846 km (0.104 R)
• M7: 3,346,504 km (0.032 R)
• M8: 4,071,156 km (0.074 R)
• M9: 5,325,983 km (0.061 R)
• M10: 6,085,342 km (0.087 R)
• M11: 6,818,671 km (0.119 R)
• M12: 8,133,187 km (0.116 R)
• M13: 10,033,828 km (0.089 R)
• M14: 11,588,898 km (0.068 R)
• M15: 17,742,906 km (0.095 R)
• M16: 27,187,468 km (0.062 R)
• M17: 30,305,088 km (0.045 R)
• M18: 32,691,922 km (0.082 R)
• M19: 36,356,172 km (0.091 R)
• M20: 39,354,413 km (0.077 R)
• M21: 40,285,061 km (0.06 R)
• M22: 41,548,714 km (0.072 R)
• M23: 45,328,155 km (0.097 R)
• M24: 56,057,464 km (0.097 R)
• M25: 68,360,841 km (0.07 R)
• M26: 73,373,118 km (0.097 R)
• M27: 76,207,698 km (0.118 R)
• M28: 84,890,658 km (0.087 R)
• M29: 86,182,436 km (0.056 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 20,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit