🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.9

Radius: 9.9

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.53 AU - 0.53 AU

Year: 266 Days

Day: 5.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 168 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,210,596 km

• M1: 124,017 km (0.081 R)
• M2: 524,640 km (0.118 R)
• M3: 917,035 km (0.112 R)
• M4: 1,397,394 km (0.119 R)
• M5: 1,755,381 km (0.113 R)
• M6: 2,697,698 km (0.114 R)
• M7: 3,217,252 km (0.026 R)
• M8: 3,603,663 km (0.074 R)
• M9: 4,443,655 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 12.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.82 AU - 0.82 AU

Year: 513 Days

Day: 13.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,210,596 km

• M1: 159,172 km (0.094 R)
• M2: 881,730 km (0.098 R)
• M3: 1,303,596 km (0.082 R)
• M4: 1,808,937 km (0.047 R)
• M5: 2,512,945 km (0.105 R)
• M6: 3,041,325 km (0.105 R)
• M7: 3,567,012 km (0.119 R)
• M8: 4,411,043 km (0.112 R)
• M9: 5,103,831 km (0.073 R)
• M10: 5,553,671 km (0.096 R)
• M11: 6,438,094 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697

Radius: 9.1

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.16 AU - 1.32 AU

Year: 953 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,210,596 km

• M1: 113,246 km (0.089 R)
• M2: 412,292 km (0.065 R)
• M3: 707,748 km (0.051 R)
• M4: 1,025,643 km (0.106 R)
• M5: 1,679,386 km (0.088 R)
• M6: 2,240,228 km (0.044 R)
• M7: 2,844,753 km (0.099 R)
• M8: 3,310,152 km (0.104 R)
• M9: 3,598,427 km (0.047 R)
• M10: 4,393,689 km (0.103 R)
• M11: 4,869,560 km (0.096 R)
• M12: 5,186,558 km (0.105 R)
• M13: 5,497,572 km (0.086 R)
• M14: 6,029,542 km (0.07 R)
• M15: 7,077,924 km (0.087 R)
• M16: 8,803,535 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 9.6

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.45 AU - 1.85 AU

Year: 1463 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,210,596 km

• M1: 119,379 km (0.102 R)
• M2: 453,282 km (0.118 R)
• M3: 784,042 km (0.097 R)
• M4: 1,098,048 km (0.099 R)
• M5: 1,553,275 km (0.092 R)
• M6: 2,096,614 km (0.115 R)
• M7: 2,583,705 km (0.104 R)
• M8: 3,238,046 km (0.044 R)
• M9: 3,838,083 km (0.026 R)
• M10: 4,259,051 km (0.028 R)
• M11: 4,609,709 km (0.052 R)
• M12: 5,347,376 km (0.052 R)
• M13: 7,382,505 km (0.089 R)
• M14: 8,788,426 km (0.067 R)
• M15: 9,230,189 km (0.053 R)
• M16: 11,515,745 km (0.058 R)
• M17: 11,892,283 km (0.113 R)
• M18: 12,749,479 km (0.11 R)
• M19: 13,647,515 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 11.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.75 AU - 2.05 AU

Year: 1808 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,210,596 km

• M1: 143,016 km (0.094 R)
• M2: 1,048,083 km (0.06 R)
• M3: 1,859,801 km (0.106 R)
• M4: 2,733,602 km (0.071 R)
• M5: 3,192,269 km (0.075 R)
• M6: 4,093,447 km (0.103 R)
• M7: 4,740,009 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.45 AU - 2.67 AU

Year: 2827 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,210,596 km

• M1: 180,265 km (0.082 R)
• M2: 667,805 km (0.099 R)
• M3: 1,494,932 km (0.111 R)
• M4: 2,572,635 km (0.077 R)
• M5: 5,414,545 km (0.038 R)
• M6: 6,936,853 km (0.097 R)
• M7: 9,950,054 km (0.103 R)
• M8: 11,401,751 km (0.115 R)
• M9: 12,516,255 km (0.063 R)
• M10: 13,793,073 km (0.052 R)
• M11: 16,246,478 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 14.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.86 AU - 4.56 AU

Year: 4933 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,210,596 km

• M1: 184,454 km (0.051 R)
• M2: 720,912 km (0.087 R)
• M3: 1,218,026 km (0.117 R)
• M4: 1,679,236 km (0.115 R)
• M5: 2,139,998 km (0.072 R)
• M6: 2,721,784 km (0.115 R)
• M7: 3,367,747 km (0.049 R)
• M8: 3,952,525 km (0.112 R)
• M9: 4,453,828 km (0.106 R)
• M10: 6,636,910 km (0.104 R)
• M11: 7,279,432 km (0.074 R)
• M12: 10,231,597 km (0.102 R)
• M13: 11,658,312 km (0.106 R)
• M14: 12,545,726 km (0.091 R)
• M15: 13,214,279 km (0.106 R)
• M16: 13,798,309 km (0.064 R)
• M17: 16,129,194 km (0.06 R)
• M18: 20,136,621 km (0.106 R)
• M19: 25,735,920 km (0.115 R)
• M20: 27,496,537 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 8.1

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.34 AU - 5.42 AU

Year: 7441 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,210,596 km

• M1: 100,979 km (0.083 R)
• M2: 400,025 km (0.102 R)
• M3: 837,150 km (0.095 R)
• M4: 1,295,667 km (0.103 R)
• M5: 1,595,012 km (0.12 R)
• M6: 2,109,779 km (0.093 R)
• M7: 3,019,184 km (0.118 R)
• M8: 4,357,188 km (0.055 R)
• M9: 5,224,706 km (0.054 R)
• M10: 6,575,724 km (0.084 R)
• M11: 7,435,014 km (0.113 R)
• M12: 9,056,805 km (0.091 R)
• M13: 10,034,576 km (0.114 R)
• M14: 11,630,636 km (0.082 R)
• M15: 14,874,067 km (0.1 R)
• M16: 15,373,874 km (0.05 R)
• M17: 15,770,308 km (0.081 R)
• M18: 20,798,442 km (0.098 R)
• M19: 22,061,048 km (0.105 R)
• M20: 23,004,113 km (0.091 R)
• M21: 24,738,102 km (0.041 R)
• M22: 26,638,594 km (0.052 R)
• M23: 27,046,397 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 18,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit