🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.5

Radius: 11.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.43 AU - 0.59 AU

Year: 243 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,683,552 km

• M1: 138,079 km (0.085 R)
• M2: 506,090 km (0.118 R)
• M3: 901,626 km (0.055 R)
• M4: 1,248,693 km (0.056 R)
• M5: 1,602,941 km (0.057 R)
• M6: 2,152,863 km (0.069 R)
• M7: 2,600,011 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 13.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.63 AU - 0.85 AU

Year: 424 Days

Day: 8.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,683,552 km

• M1: 172,935 km (0.1 R)
• M2: 750,981 km (0.059 R)
• M3: 1,253,481 km (0.076 R)
• M4: 2,230,803 km (0.044 R)
• M5: 2,669,275 km (0.099 R)
• M6: 4,069,511 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 13.5

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.77 AU - 1.17 AU

Year: 637 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,683,552 km

• M1: 167,849 km (0.05 R)
• M2: 664,663 km (0.096 R)
• M3: 1,172,847 km (0.116 R)
• M4: 1,919,789 km (0.115 R)
• M5: 2,468,066 km (0.094 R)
• M6: 2,898,309 km (0.095 R)
• M7: 3,692,973 km (0.079 R)
• M8: 4,128,004 km (0.107 R)
• M9: 5,500,714 km (0.052 R)
• M10: 6,619,706 km (0.054 R)
• M11: 7,222,884 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 13.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.14 AU - 1.28 AU

Year: 888 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,683,552 km

• M1: 165,455 km (0.077 R)
• M2: 617,091 km (0.075 R)
• M3: 1,073,365 km (0.097 R)
• M4: 1,525,001 km (0.072 R)
• M5: 1,974,991 km (0.068 R)
• M6: 3,014,247 km (0.103 R)
• M7: 3,428,634 km (0.113 R)
• M8: 3,881,317 km (0.11 R)
• M9: 4,669,548 km (0.058 R)
• M10: 7,972,819 km (0.104 R)
• M11: 8,748,035 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.7

Radius: 8.4

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.61 AU - 2.57 AU

Year: 2015 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,683,552 km

• M1: 104,419 km (0.059 R)
• M2: 414,685 km (0.104 R)
• M3: 720,015 km (0.12 R)
• M4: 1,227,301 km (0.103 R)
• M5: 2,345,695 km (0.086 R)
• M6: 2,642,347 km (0.098 R)
• M7: 4,707,695 km (0.118 R)
• M8: 7,296,487 km (0.097 R)
• M9: 7,785,372 km (0.081 R)
• M10: 8,357,435 km (0.096 R)
• M11: 10,673,060 km (0.076 R)
• M12: 12,195,069 km (0.058 R)
• M13: 12,637,879 km (0.076 R)
• M14: 13,900,185 km (0.079 R)
• M15: 15,711,217 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 14.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.92 AU - 4.5 AU

Year: 4765 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,683,552 km

• M1: 179,218 km (0.108 R)
• M2: 628,012 km (0.025 R)
• M3: 1,224,758 km (0.097 R)
• M4: 1,864,588 km (0.111 R)
• M5: 2,498,135 km (0.074 R)
• M6: 2,962,935 km (0.105 R)
• M7: 4,005,034 km (0.067 R)
• M8: 4,504,541 km (0.091 R)
• M9: 6,379,003 km (0.071 R)
• M10: 8,544,432 km (0.119 R)
• M11: 9,261,006 km (0.062 R)
• M12: 9,734,184 km (0.099 R)
• M13: 11,295,537 km (0.109 R)
• M14: 12,300,087 km (0.034 R)
• M15: 14,071,176 km (0.099 R)
• M16: 14,644,884 km (0.116 R)
• M17: 15,452,413 km (0.102 R)
• M18: 17,392,697 km (0.1 R)
• M19: 18,919,643 km (0.064 R)
• M20: 21,752,727 km (0.089 R)
• M21: 24,857,781 km (0.078 R)
• M22: 25,774,516 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.5

Radius: 9.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.64 AU - 5.6 AU

Year: 6622 Days

Day: 12 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,683,552 km

• M1: 114,442 km (0.047 R)
• M2: 1,016,966 km (0.073 R)
• M3: 1,423,573 km (0.102 R)
• M4: 2,449,964 km (0.099 R)
• M5: 3,210,969 km (0.06 R)
• M6: 3,978,256 km (0.032 R)
• M7: 5,453,441 km (0.036 R)
• M8: 5,904,030 km (0.08 R)
• M9: 7,442,195 km (0.119 R)
• M10: 7,734,808 km (0.093 R)
• M11: 8,579,288 km (0.108 R)
• M12: 11,147,285 km (0.052 R)
• M13: 11,482,534 km (0.077 R)
• M14: 12,023,031 km (0.062 R)
• M15: 12,375,633 km (0.097 R)
• M16: 12,891,447 km (0.106 R)
• M17: 13,421,622 km (0.113 R)
• M18: 17,038,599 km (0.025 R)
• M19: 19,002,071 km (0.051 R)
• M20: 20,463,343 km (0.062 R)
• M21: 23,844,255 km (0.087 R)
• M22: 26,633,358 km (0.086 R)
• M23: 27,233,395 km (0.105 R)
• M24: 28,018,185 km (0.026 R)
• M25: 29,907,756 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.4

Radius: 7

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.63 AU - 7.71 AU

Year: 11487 Days

Day: 15.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,683,552 km

• M1: 87,066 km (0.099 R)
• M2: 565,929 km (0.109 R)
• M3: 888,462 km (0.088 R)
• M4: 3,161,153 km (0.101 R)
• M5: 3,612,041 km (0.073 R)
• M6: 4,051,110 km (0.073 R)
• M7: 4,353,747 km (0.098 R)
• M8: 5,583,890 km (0.066 R)
• M9: 7,387,143 km (0.093 R)
• M10: 8,137,526 km (0.046 R)
• M11: 9,122,179 km (0.039 R)
• M12: 10,590,033 km (0.068 R)
• M13: 24,589,103 km (0.105 R)
• M14: 26,064,437 km (0.09 R)
• M15: 28,586,059 km (0.112 R)
• M16: 38,933,893 km (0.09 R)
• M17: 43,795,225 km (0.079 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 16,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit