🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.9

Radius: 12.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.72 AU - 1.08 AU

Year: 543 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,179,902 km

• M1: 166,951 km (0.05 R)
• M2: 865,274 km (0.057 R)
• M3: 1,301,651 km (0.041 R)
• M4: 1,704,668 km (0.11 R)
• M5: 2,451,012 km (0.075 R)
• M6: 3,004,224 km (0.109 R)
• M7: 3,608,600 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.6

Radius: 8.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.8 AU - 1.08 AU

Year: 579 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,179,902 km

• M1: 116,986 km (0.076 R)
• M2: 398,230 km (0.104 R)
• M3: 785,538 km (0.082 R)
• M4: 1,313,021 km (0.111 R)
• M5: 1,647,521 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.4

Radius: 12

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.83 AU - 1.21 AU

Year: 655 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,179,902 km

• M1: 150,196 km (0.089 R)
• M2: 562,638 km (0.101 R)
• M3: 1,034,619 km (0.072 R)
• M4: 1,644,978 km (0.099 R)
• M5: 2,192,955 km (0.084 R)
• M6: 2,817,377 km (0.071 R)
• M7: 3,506,724 km (0.116 R)
• M8: 4,036,001 km (0.098 R)
• M9: 4,602,827 km (0.084 R)
• M10: 5,026,040 km (0.108 R)
• M11: 5,406,916 km (0.116 R)
• M12: 6,647,980 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 11.7

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.11 AU - 1.73 AU

Year: 1076 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,179,902 km

• M1: 146,905 km (0.117 R)
• M2: 545,733 km (0.094 R)
• M3: 1,322,894 km (0.086 R)
• M4: 1,806,993 km (0.055 R)
• M5: 2,995,099 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.3

Radius: 10.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.16 AU - 3.2 AU

Year: 2790 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,179,902 km

• M1: 134,189 km (0.039 R)
• M2: 898,036 km (0.096 R)
• M3: 1,513,930 km (0.104 R)
• M4: 2,325,948 km (0.047 R)
• M5: 4,315,599 km (0.078 R)
• M6: 4,976,074 km (0.107 R)
• M7: 5,652,107 km (0.079 R)
• M8: 6,865,495 km (0.098 R)
• M9: 7,797,490 km (0.062 R)
• M10: 9,368,267 km (0.067 R)
• M11: 11,381,705 km (0.099 R)
• M12: 13,531,277 km (0.079 R)
• M13: 17,566,979 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.6

Radius: 13.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.68 AU - 4.2 AU

Year: 4057 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,179,902 km

• M1: 162,912 km (0.032 R)
• M2: 805,435 km (0.107 R)
• M3: 1,345,034 km (0.078 R)
• M4: 3,627,000 km (0.12 R)
• M5: 4,983,853 km (0.116 R)
• M6: 5,439,678 km (0.057 R)
• M7: 6,221,327 km (0.042 R)
• M8: 7,344,507 km (0.045 R)
• M9: 9,660,283 km (0.086 R)
• M10: 10,415,153 km (0.089 R)
• M11: 13,320,194 km (0.094 R)
• M12: 14,469,704 km (0.113 R)
• M13: 16,200,402 km (0.12 R)
• M14: 16,668,644 km (0.103 R)
• M15: 18,378,996 km (0.12 R)
• M16: 19,538,679 km (0.077 R)
• M17: 21,579,044 km (0.051 R)
• M18: 23,983,531 km (0.083 R)
• M19: 24,900,566 km (0.071 R)
• M20: 26,886,029 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.8

Radius: 13.1

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.22 AU - 5.04 AU

Year: 6334 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 179.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,179,902 km

• M1: 184,604 km (0.075 R)
• M2: 821,592 km (0.069 R)
• M3: 1,374,655 km (0.045 R)
• M4: 4,843,081 km (0.118 R)
• M5: 5,744,109 km (0.106 R)
• M6: 7,559,928 km (0.08 R)
• M7: 8,656,780 km (0.088 R)
• M8: 10,025,301 km (0.101 R)
• M9: 13,755,375 km (0.117 R)
• M10: 20,501,491 km (0.086 R)
• M11: 21,830,518 km (0.115 R)
• M12: 22,334,364 km (0.089 R)
• M13: 25,921,272 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.3

Radius: 3.2

Gravity: 92.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.7 AU - 9.34 AU

Year: 14441 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 100.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,179,902 km

• M1: 39,793 km (0.063 R)
• M2: 163,510 km (0.103 R)
• M3: 279,150 km (0.072 R)
• M4: 698,323 km (0.084 R)
• M5: 958,474 km (0.111 R)
• M6: 1,411,007 km (0.064 R)
• M7: 2,961,290 km (0.082 R)
• M8: 3,272,154 km (0.108 R)
• M9: 4,566,325 km (0.063 R)
• M10: 4,667,753 km (0.031 R)
• M11: 5,124,325 km (0.119 R)
• M12: 7,575,487 km (0.095 R)
• M13: 9,401,478 km (0.071 R)
• M14: 11,942,248 km (0.032 R)
• M15: 12,526,428 km (0.03 R)
• M16: 13,542,048 km (0.112 R)
• M17: 14,758,129 km (0.096 R)
• M18: 18,839,309 km (0.119 R)
• M19: 19,808,404 km (0.096 R)
• M20: 23,311,836 km (0.097 R)
• M21: 24,531,059 km (0.116 R)
• M22: 24,842,372 km (0.118 R)
• M23: 27,876,217 km (0.11 R)
• M24: 28,101,960 km (0.075 R)
• M25: 30,188,402 km (0.088 R)
• M26: 32,127,788 km (0.05 R)
• M27: 34,277,510 km (0.117 R)
• M28: 53,099,615 km (0.026 R)
• M29: 53,794,796 km (0.117 R)
• M30: 54,848,713 km (0.049 R)
• M31: 63,196,124 km (0.112 R)
• M32: 67,771,875 km (0.118 R)
• M33: 67,975,627 km (0.112 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: 398 - 18,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit