🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.1

Radius: 10.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.52 AU - 0.72 AU

Year: 326 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,733,100 km

• M1: 131,796 km (0.088 R)
• M2: 578,345 km (0.092 R)
• M3: 933,042 km (0.068 R)
• M4: 1,389,764 km (0.044 R)
• M5: 1,845,739 km (0.084 R)
• M6: 2,384,740 km (0.03 R)
• M7: 2,898,309 km (0.117 R)
• M8: 3,313,593 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 11.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.64 AU - 0.88 AU

Year: 442 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,733,100 km

• M1: 143,016 km (0.116 R)
• M2: 585,077 km (0.057 R)
• M3: 1,057,208 km (0.109 R)
• M4: 1,767,948 km (0.072 R)
• M5: 2,177,995 km (0.107 R)
• M6: 2,733,751 km (0.07 R)
• M7: 3,182,246 km (0.119 R)
• M8: 3,718,255 km (0.099 R)
• M9: 4,186,945 km (0.098 R)
• M10: 4,679,870 km (0.112 R)
• M11: 5,260,011 km (0.09 R)
• M12: 5,940,681 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 13.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.76 AU - 2.93 AU

Year: 2387 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,733,100 km

• M1: 163,062 km (0.118 R)
• M2: 689,796 km (0.111 R)
• M3: 1,218,026 km (0.095 R)
• M4: 1,630,916 km (0.081 R)
• M5: 2,377,110 km (0.04 R)
• M6: 2,851,036 km (0.044 R)
• M7: 3,263,178 km (0.061 R)
• M8: 3,974,815 km (0.078 R)
• M9: 4,608,961 km (0.106 R)
• M10: 5,353,061 km (0.044 R)
• M11: 6,518,129 km (0.107 R)
• M12: 8,189,586 km (0.063 R)
• M13: 9,125,321 km (0.115 R)
• M14: 9,864,633 km (0.098 R)
• M15: 11,390,232 km (0.072 R)
• M16: 12,751,274 km (0.115 R)
• M17: 14,049,634 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 9.3

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.08 AU - 2.8 AU

Year: 2542 Days

Day: 10.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,733,100 km

• M1: 116,387 km (0.092 R)
• M2: 425,307 km (0.072 R)
• M3: 983,756 km (0.049 R)
• M4: 2,177,696 km (0.113 R)
• M5: 2,622,002 km (0.063 R)
• M6: 2,998,091 km (0.11 R)
• M7: 3,427,437 km (0.103 R)
• M8: 3,729,924 km (0.072 R)
• M9: 4,409,547 km (0.085 R)
• M10: 5,101,138 km (0.047 R)
• M11: 6,617,611 km (0.111 R)
• M12: 7,732,564 km (0.046 R)
• M13: 8,224,442 km (0.034 R)
• M14: 9,580,696 km (0.114 R)
• M15: 10,551,587 km (0.087 R)
• M16: 11,195,755 km (0.071 R)
• M17: 12,814,853 km (0.077 R)
• M18: 13,199,768 km (0.046 R)
• M19: 14,127,574 km (0.035 R)
• M20: 17,535,713 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.3

Radius: 11.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.56 AU - 3.92 AU

Year: 3889 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,733,100 km

• M1: 144,212 km (0.093 R)
• M2: 667,207 km (0.088 R)
• M3: 1,094,308 km (0.09 R)
• M4: 1,718,880 km (0.096 R)
• M5: 2,747,814 km (0.117 R)
• M6: 3,164,593 km (0.056 R)
• M7: 4,105,115 km (0.101 R)
• M8: 4,748,835 km (0.111 R)
• M9: 5,673,948 km (0.069 R)
• M10: 6,208,760 km (0.025 R)
• M11: 7,217,648 km (0.083 R)
• M12: 7,711,022 km (0.054 R)
• M13: 10,944,580 km (0.1 R)
• M14: 11,819,877 km (0.092 R)
• M15: 12,413,332 km (0.037 R)
• M16: 13,267,985 km (0.098 R)
• M17: 14,726,714 km (0.094 R)
• M18: 17,256,114 km (0.102 R)
• M19: 18,501,816 km (0.114 R)
• M20: 20,255,103 km (0.082 R)
• M21: 22,391,360 km (0.048 R)
• M22: 24,600,323 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 8.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.77 AU - 3.93 AU

Year: 4089 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,733,100 km

• M1: 105,766 km (0.116 R)
• M2: 382,073 km (0.081 R)
• M3: 954,434 km (0.111 R)
• M4: 1,323,044 km (0.067 R)
• M5: 1,990,400 km (0.082 R)
• M6: 2,879,460 km (0.09 R)
• M7: 3,328,852 km (0.03 R)
• M8: 3,994,413 km (0.093 R)
• M9: 4,573,207 km (0.102 R)
• M10: 4,942,564 km (0.112 R)
• M11: 5,331,818 km (0.06 R)
• M12: 7,434,416 km (0.044 R)
• M13: 8,001,242 km (0.076 R)
• M14: 8,510,024 km (0.105 R)
• M15: 9,812,424 km (0.113 R)
• M16: 11,312,741 km (0.113 R)
• M17: 11,917,415 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.3

Radius: 11.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.14 AU - 5.52 AU

Year: 7079 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,733,100 km

• M1: 140,472 km (0.061 R)
• M2: 584,479 km (0.109 R)
• M3: 983,606 km (0.082 R)
• M4: 1,381,536 km (0.052 R)
• M5: 3,792,007 km (0.043 R)
• M6: 4,563,034 km (0.066 R)
• M7: 11,293,592 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.1

Radius: 6.6

Gravity: 17.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.58 AU - 7.16 AU

Year: 9484 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,733,100 km

• M1: 82,129 km (0.103 R)
• M2: 296,204 km (0.097 R)
• M3: 610,509 km (0.1 R)
• M4: 1,041,052 km (0.103 R)
• M5: 1,487,900 km (0.084 R)
• M6: 2,615,120 km (0.039 R)
• M7: 6,859,810 km (0.058 R)
• M8: 8,096,835 km (0.072 R)
• M9: 12,632,194 km (0.077 R)
• M10: 12,868,558 km (0.042 R)
• M11: 14,349,727 km (0.063 R)
• M12: 14,867,635 km (0.084 R)
• M13: 16,921,614 km (0.116 R)
• M14: 19,080,012 km (0.079 R)
• M15: 22,869,326 km (0.063 R)
• M16: 23,220,881 km (0.104 R)
• M17: 38,658,334 km (0.03 R)
• M18: 44,520,177 km (0.062 R)
• M19: 45,344,012 km (0.092 R)
• M20: 45,898,721 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 13,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit