🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.6

Radius: 9.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.14 AU - 1.16 AU

Year: 822 Days

Day: 6.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,723,928 km

• M1: 115,639 km (0.098 R)
• M2: 452,234 km (0.093 R)
• M3: 758,012 km (0.094 R)
• M4: 1,217,128 km (0.037 R)
• M5: 1,878,201 km (0.074 R)
• M6: 2,178,444 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.3

Radius: 10.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.07 AU - 1.77 AU

Year: 1128 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,723,928 km

• M1: 132,394 km (0.083 R)
• M2: 489,484 km (0.068 R)
• M3: 859,889 km (0.056 R)
• M4: 1,367,025 km (0.089 R)
• M5: 1,836,912 km (0.039 R)
• M6: 2,434,705 km (0.07 R)
• M7: 3,132,131 km (0.107 R)
• M8: 3,648,542 km (0.075 R)
• M9: 5,118,641 km (0.096 R)
• M10: 6,643,193 km (0.109 R)
• M11: 7,381,757 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.6

Radius: 11.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.09 AU - 2.31 AU

Year: 2176 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,723,928 km

• M1: 144,362 km (0.05 R)
• M2: 548,575 km (0.113 R)
• M3: 998,865 km (0.116 R)
• M4: 1,933,253 km (0.034 R)
• M5: 3,074,685 km (0.106 R)
• M6: 3,582,121 km (0.056 R)
• M7: 5,088,422 km (0.106 R)
• M8: 6,169,715 km (0.096 R)
• M9: 6,764,965 km (0.085 R)
• M10: 7,714,762 km (0.089 R)
• M11: 8,283,085 km (0.119 R)
• M12: 8,751,326 km (0.081 R)
• M13: 9,204,159 km (0.112 R)
• M14: 10,086,936 km (0.085 R)
• M15: 10,585,097 km (0.079 R)
• M16: 12,621,872 km (0.112 R)
• M17: 15,695,809 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 10

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.8 AU - 2.62 AU

Year: 2191 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,723,928 km

• M1: 127,158 km (0.11 R)
• M2: 496,815 km (0.107 R)
• M3: 884,273 km (0.111 R)
• M4: 1,494,034 km (0.108 R)
• M5: 2,226,615 km (0.103 R)
• M6: 2,674,810 km (0.081 R)
• M7: 3,630,591 km (0.118 R)
• M8: 4,026,576 km (0.085 R)
• M9: 5,277,663 km (0.079 R)
• M10: 6,103,593 km (0.087 R)
• M11: 6,612,974 km (0.116 R)
• M12: 7,122,803 km (0.084 R)
• M13: 7,892,335 km (0.098 R)
• M14: 8,374,040 km (0.031 R)
• M15: 9,630,363 km (0.112 R)
• M16: 10,715,396 km (0.061 R)
• M17: 11,495,549 km (0.115 R)
• M18: 13,252,277 km (0.11 R)
• M19: 14,817,370 km (0.1 R)
• M20: 15,273,195 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 13.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.08 AU - 3.14 AU

Year: 2812 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,723,928 km

• M1: 169,195 km (0.042 R)
• M2: 688,001 km (0.08 R)
• M3: 1,238,670 km (0.096 R)
• M4: 1,765,704 km (0.098 R)
• M5: 2,362,150 km (0.059 R)
• M6: 3,043,419 km (0.107 R)
• M7: 3,742,191 km (0.106 R)
• M8: 4,299,293 km (0.094 R)
• M9: 5,067,927 km (0.106 R)
• M10: 5,851,222 km (0.067 R)
• M11: 9,570,524 km (0.096 R)
• M12: 10,432,208 km (0.097 R)
• M13: 11,228,218 km (0.084 R)
• M14: 12,310,558 km (0.03 R)
• M15: 14,267,747 km (0.038 R)
• M16: 15,106,094 km (0.085 R)
• M17: 15,780,481 km (0.098 R)
• M18: 16,224,637 km (0.059 R)
• M19: 16,677,171 km (0.109 R)

Asteroid Belt

Center: 3.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 14.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.36 AU - 5.1 AU

Year: 6860 Days

Day: 9.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,723,928 km

• M1: 175,628 km (0.099 R)
• M2: 682,615 km (0.104 R)
• M3: 1,192,145 km (0.118 R)
• M4: 1,857,856 km (0.092 R)
• M5: 3,264,375 km (0.043 R)
• M6: 4,076,841 km (0.099 R)
• M7: 4,700,365 km (0.085 R)
• M8: 5,355,753 km (0.111 R)
• M9: 6,961,836 km (0.102 R)
• M10: 7,655,372 km (0.1 R)
• M11: 9,362,433 km (0.113 R)
• M12: 10,208,559 km (0.067 R)
• M13: 11,207,872 km (0.093 R)
• M14: 12,436,520 km (0.106 R)
• M15: 13,285,039 km (0.103 R)
• M16: 14,111,567 km (0.085 R)
• M17: 15,287,855 km (0.097 R)
• M18: 15,737,247 km (0.099 R)
• M19: 19,209,713 km (0.115 R)
• M20: 24,101,414 km (0.081 R)
• M21: 27,347,538 km (0.113 R)
• M22: 28,011,005 km (0.112 R)
• M23: 31,490,801 km (0.098 R)
• M24: 33,173,627 km (0.085 R)
• M25: 36,148,381 km (0.119 R)
• M26: 40,753,153 km (0.061 R)
• M27: 41,246,377 km (0.108 R)
• M28: 41,743,790 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 13.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.18 AU - 5.28 AU

Year: 6860 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,723,928 km

• M1: 170,392 km (0.112 R)
• M2: 656,136 km (0.105 R)
• M3: 1,884,185 km (0.112 R)
• M4: 3,255,698 km (0.105 R)
• M5: 3,913,032 km (0.112 R)
• M6: 4,539,847 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.9

Radius: 6.5

Gravity: 15.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.72 AU - 11 AU

Year: 23866 Days

Day: 18.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,723,928 km

• M1: 95,593 km (0.1 R)
• M2: 749,934 km (0.103 R)
• M3: 2,163,335 km (0.078 R)
• M4: 2,500,977 km (0.118 R)
• M5: 2,795,984 km (0.088 R)
• M6: 3,636,425 km (0.094 R)
• M7: 3,918,567 km (0.118 R)
• M8: 4,966,500 km (0.077 R)
• M9: 9,273,422 km (0.082 R)
• M10: 10,473,646 km (0.073 R)
• M11: 17,788,832 km (0.102 R)
• M12: 19,066,249 km (0.067 R)
• M13: 19,536,884 km (0.085 R)
• M14: 22,629,819 km (0.088 R)
• M15: 26,034,368 km (0.078 R)
• M16: 28,525,172 km (0.061 R)
• M17: 36,078,219 km (0.043 R)
• M18: 44,367,736 km (0.093 R)
• M19: 45,027,912 km (0.1 R)
• M20: 52,543,559 km (0.107 R)
• M21: 54,781,095 km (0.118 R)
• M22: 57,666,239 km (0.113 R)
• M23: 58,649,995 km (0.069 R)
• M24: 62,284,325 km (0.092 R)
• M25: 69,553,436 km (0.112 R)
• M26: 79,046,318 km (0.042 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 12,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit