🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 8.2

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.47 AU - 2.75 AU

Year: 2812 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,611,173 km

• M1: 102,175 km (0.044 R)
• M2: 417,677 km (0.077 R)
• M3: 834,607 km (0.06 R)
• M4: 1,150,258 km (0.109 R)
• M5: 1,719,328 km (0.105 R)
• M6: 2,133,116 km (0.115 R)
• M7: 2,478,538 km (0.056 R)
• M8: 3,230,117 km (0.1 R)
• M9: 3,630,591 km (0.099 R)
• M10: 4,531,170 km (0.073 R)
• M11: 5,804,697 km (0.099 R)
• M12: 6,566,599 km (0.058 R)
• M13: 6,942,239 km (0.115 R)
• M14: 8,726,941 km (0.055 R)
• M15: 9,873,908 km (0.119 R)
• M16: 10,483,669 km (0.105 R)
• M17: 12,075,241 km (0.036 R)
• M18: 13,542,497 km (0.091 R)
• M19: 13,868,471 km (0.112 R)
• M20: 18,998,780 km (0.113 R)
• M21: 19,466,423 km (0.115 R)
• M22: 20,182,099 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 11.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.84 AU - 5.4 AU

Year: 6622 Days

Day: 14.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,611,173 km

• M1: 143,165 km (0.076 R)
• M2: 495,019 km (0.091 R)
• M3: 1,059,153 km (0.059 R)
• M4: 1,643,931 km (0.045 R)
• M5: 2,043,507 km (0.071 R)
• M6: 6,393,215 km (0.11 R)
• M7: 7,120,709 km (0.03 R)
• M8: 10,673,060 km (0.101 R)
• M9: 12,081,075 km (0.069 R)
• M10: 16,668,344 km (0.119 R)
• M11: 18,386,326 km (0.099 R)
• M12: 18,848,285 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 9.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.95 AU - 5.83 AU

Year: 7211 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,611,173 km

• M1: 113,246 km (0.111 R)
• M2: 695,481 km (0.074 R)
• M3: 2,406,431 km (0.117 R)
• M4: 3,187,931 km (0.116 R)
• M5: 3,819,982 km (0.088 R)
• M6: 4,585,474 km (0.108 R)
• M7: 8,217,860 km (0.036 R)
• M8: 10,194,048 km (0.064 R)
• M9: 10,559,366 km (0.071 R)
• M10: 12,519,547 km (0.097 R)
• M11: 16,141,610 km (0.073 R)
• M12: 17,859,891 km (0.059 R)
• M13: 18,458,732 km (0.085 R)
• M14: 21,506,639 km (0.105 R)
• M15: 23,345,945 km (0.056 R)
• M16: 24,142,404 km (0.12 R)
• M17: 25,121,970 km (0.104 R)
• M18: 30,233,131 km (0.114 R)
• M19: 31,756,187 km (0.086 R)
• M20: 33,130,393 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 14

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.13 AU - 5.13 AU

Year: 7748 Days

Day: 13.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,611,173 km

• M1: 175,628 km (0.119 R)
• M2: 842,685 km (0.101 R)
• M3: 1,396,047 km (0.105 R)
• M4: 1,917,845 km (0.072 R)
• M5: 3,508,070 km (0.119 R)
• M6: 3,979,004 km (0.082 R)
• M7: 4,464,150 km (0.119 R)
• M8: 5,887,574 km (0.081 R)
• M9: 6,376,011 km (0.069 R)
• M10: 6,929,523 km (0.084 R)
• M11: 8,919,773 km (0.1 R)
• M12: 9,425,115 km (0.059 R)
• M13: 9,998,224 km (0.077 R)
• M14: 12,357,532 km (0.088 R)
• M15: 13,697,031 km (0.083 R)
• M16: 14,684,677 km (0.039 R)
• M17: 15,196,002 km (0.099 R)
• M18: 17,010,325 km (0.096 R)
• M19: 17,717,624 km (0.117 R)
• M20: 26,562,598 km (0.093 R)
• M21: 28,986,532 km (0.071 R)
• M22: 31,029,291 km (0.111 R)
• M23: 31,979,238 km (0.098 R)
• M24: 41,419,611 km (0.1 R)
• M25: 42,442,113 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.3

Radius: 6.9

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.13 AU - 6.95 AU

Year: 11153 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 104 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,611,173 km

• M1: 86,916 km (0.045 R)
• M2: 429,196 km (0.082 R)
• M3: 961,166 km (0.095 R)
• M4: 2,354,371 km (0.039 R)
• M5: 3,722,294 km (0.116 R)
• M6: 3,984,539 km (0.077 R)
• M7: 4,694,381 km (0.099 R)
• M8: 5,032,173 km (0.111 R)
• M9: 6,288,945 km (0.081 R)
• M10: 9,697,682 km (0.111 R)
• M11: 11,188,425 km (0.093 R)
• M12: 20,898,374 km (0.047 R)
• M13: 21,897,089 km (0.067 R)
• M14: 24,260,287 km (0.113 R)
• M15: 27,767,459 km (0.059 R)
• M16: 34,035,610 km (0.071 R)
• M17: 34,836,557 km (0.046 R)
• M18: 35,533,085 km (0.091 R)
• M19: 36,002,672 km (0.092 R)
• M20: 37,074,092 km (0.111 R)
• M21: 44,088,138 km (0.096 R)
• M22: 44,358,611 km (0.077 R)
• M23: 44,902,998 km (0.044 R)

Asteroid Belt

Center: 7.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.3

Radius: 5.4

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.02 AU - 9.08 AU

Year: 15231 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 148.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,611,173 km

• M1: 69,563 km (0.043 R)
• M2: 248,931 km (0.049 R)
• M3: 571,165 km (0.092 R)
• M4: 839,992 km (0.105 R)
• M5: 1,014,872 km (0.09 R)
• M6: 1,439,580 km (0.065 R)
• M7: 1,634,058 km (0.074 R)
• M8: 2,163,185 km (0.066 R)
• M9: 2,737,342 km (0.091 R)
• M10: 3,265,572 km (0.115 R)
• M11: 3,603,663 km (0.091 R)
• M12: 4,493,022 km (0.065 R)
• M13: 4,699,019 km (0.119 R)
• M14: 5,825,640 km (0.096 R)
• M15: 6,396,356 km (0.051 R)
• M16: 7,607,052 km (0.099 R)
• M17: 8,332,153 km (0.078 R)
• M18: 9,432,744 km (0.088 R)
• M19: 10,319,411 km (0.116 R)
• M20: 11,153,120 km (0.117 R)
• M21: 12,718,661 km (0.039 R)
• M22: 13,131,851 km (0.109 R)
• M23: 13,676,088 km (0.079 R)
• M24: 21,180,964 km (0.092 R)
• M25: 22,608,577 km (0.112 R)
• M26: 26,599,399 km (0.101 R)
• M27: 27,961,338 km (0.06 R)
• M28: 31,999,733 km (0.054 R)
• M29: 36,410,027 km (0.045 R)
• M30: 40,953,015 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.9

Radius: 3.2

Gravity: 21.08 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.98 AU - 9.28 AU

Year: 15458 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,611,173 km

• M1: 39,793 km (0.046 R)
• M2: 149,448 km (0.075 R)
• M3: 273,315 km (0.108 R)
• M4: 657,333 km (0.119 R)
• M5: 805,585 km (0.09 R)
• M6: 1,619,846 km (0.079 R)
• M7: 2,319,216 km (0.114 R)
• M8: 2,725,075 km (0.053 R)
• M9: 4,650,699 km (0.111 R)
• M10: 6,977,245 km (0.057 R)
• M11: 9,881,089 km (0.104 R)
• M12: 10,986,617 km (0.118 R)
• M13: 11,301,970 km (0.065 R)
• M14: 15,766,568 km (0.099 R)
• M15: 17,911,503 km (0.05 R)
• M16: 18,056,313 km (0.081 R)
• M17: 20,876,084 km (0.101 R)
• M18: 28,632,883 km (0.069 R)
• M19: 29,631,299 km (0.108 R)
• M20: 32,765,823 km (0.075 R)
• M21: 35,655,007 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 15,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit