🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 9

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.64 AU - 0.8 AU

Year: 401 Days

Day: 9.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,574,076 km

• M1: 111,899 km (0.089 R)
• M2: 412,292 km (0.065 R)
• M3: 740,210 km (0.111 R)
• M4: 1,172,847 km (0.114 R)
• M5: 1,636,601 km (0.076 R)
• M6: 1,940,284 km (0.098 R)
• M7: 2,583,555 km (0.111 R)
• M8: 3,410,083 km (0.081 R)
• M9: 3,730,223 km (0.058 R)
• M10: 4,262,193 km (0.111 R)
• M11: 4,590,411 km (0.068 R)
• M12: 5,233,682 km (0.105 R)
• M13: 5,527,193 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.5

Radius: 9

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.72 AU - 1 AU

Year: 523 Days

Day: 8.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,574,076 km

• M1: 112,647 km (0.117 R)
• M2: 462,706 km (0.109 R)
• M3: 996,920 km (0.1 R)
• M4: 1,361,191 km (0.091 R)
• M5: 1,701,526 km (0.057 R)
• M6: 2,053,680 km (0.101 R)
• M7: 2,423,934 km (0.088 R)
• M8: 3,033,695 km (0.096 R)
• M9: 3,529,313 km (0.081 R)
• M10: 3,810,707 km (0.086 R)
• M11: 4,223,896 km (0.102 R)
• M12: 4,730,285 km (0.075 R)
• M13: 6,715,598 km (0.051 R)
• M14: 7,086,601 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.54 AU - 2.34 AU

Year: 1773 Days

Day: 8.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,574,076 km

• M1: 100,679 km (0.064 R)
• M2: 554,709 km (0.118 R)
• M3: 1,159,383 km (0.068 R)
• M4: 2,949,771 km (0.1 R)
• M5: 3,396,769 km (0.063 R)
• M6: 4,177,371 km (0.09 R)
• M7: 4,444,403 km (0.084 R)
• M8: 4,895,441 km (0.101 R)
• M9: 6,433,756 km (0.088 R)
• M10: 6,863,850 km (0.098 R)
• M11: 7,287,511 km (0.106 R)
• M12: 7,649,538 km (0.036 R)
• M13: 8,270,069 km (0.102 R)
• M14: 8,578,540 km (0.045 R)
• M15: 10,430,861 km (0.039 R)
• M16: 10,991,404 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 11.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.96 AU - 2.94 AU

Year: 2516 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,574,076 km

• M1: 143,016 km (0.11 R)
• M2: 592,408 km (0.095 R)
• M3: 1,236,576 km (0.079 R)
• M4: 2,232,299 km (0.117 R)
• M5: 3,336,332 km (0.104 R)
• M6: 3,757,001 km (0.075 R)
• M7: 4,131,295 km (0.094 R)
• M8: 4,574,104 km (0.037 R)
• M9: 5,001,805 km (0.1 R)
• M10: 6,393,514 km (0.075 R)
• M11: 7,344,059 km (0.102 R)
• M12: 8,822,983 km (0.097 R)
• M13: 10,802,163 km (0.077 R)
• M14: 15,720,193 km (0.098 R)
• M15: 16,127,398 km (0.081 R)
• M16: 18,607,282 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.9

Radius: 12.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.51 AU - 2.91 AU

Year: 2927 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,574,076 km

• M1: 153,637 km (0.112 R)
• M2: 604,824 km (0.088 R)
• M3: 1,167,013 km (0.11 R)
• M4: 1,631,963 km (0.112 R)
• M5: 2,098,409 km (0.043 R)
• M6: 2,665,684 km (0.095 R)
• M7: 3,361,614 km (0.048 R)
• M8: 3,952,675 km (0.105 R)
• M9: 5,440,426 km (0.102 R)
• M10: 5,900,888 km (0.11 R)
• M11: 7,513,403 km (0.058 R)
• M12: 8,034,752 km (0.111 R)
• M13: 9,178,129 km (0.107 R)
• M14: 9,832,769 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.5

Radius: 3.3

Gravity: 22.64 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.7 AU - 10.9 AU

Year: 18605 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,574,076 km

• M1: 40,990 km (0.073 R)
• M2: 162,314 km (0.089 R)
• M3: 341,532 km (0.083 R)
• M4: 567,574 km (0.103 R)
• M5: 692,937 km (0.111 R)
• M6: 846,275 km (0.09 R)
• M7: 1,000,062 km (0.089 R)
• M8: 1,112,709 km (0.117 R)
• M9: 1,606,232 km (0.11 R)
• M10: 2,672,566 km (0.055 R)
• M11: 4,551,665 km (0.083 R)
• M12: 8,383,165 km (0.059 R)
• M13: 9,139,682 km (0.12 R)
• M14: 9,736,129 km (0.101 R)
• M15: 10,200,181 km (0.117 R)
• M16: 11,566,309 km (0.06 R)
• M17: 12,865,417 km (0.101 R)
• M18: 15,127,636 km (0.119 R)
• M19: 16,316,341 km (0.073 R)
• M20: 16,460,104 km (0.12 R)
• M21: 18,877,755 km (0.045 R)
• M22: 21,955,881 km (0.048 R)
• M23: 22,131,210 km (0.059 R)
• M24: 27,124,637 km (0.106 R)
• M25: 34,327,924 km (0.119 R)
• M26: 37,358,777 km (0.074 R)
• M27: 42,299,396 km (0.11 R)
• M28: 44,503,871 km (0.056 R)
• M29: 48,395,210 km (0.073 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 11,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit