🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.2

Radius: 9.4

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 5.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,104,785 km

• M1: 116,836 km (0.097 R)
• M2: 461,509 km (0.072 R)
• M3: 822,788 km (0.091 R)
• M4: 1,172,847 km (0.075 R)
• M5: 1,473,539 km (0.105 R)
• M6: 1,900,641 km (0.098 R)
• M7: 2,686,479 km (0.062 R)
• M8: 3,068,851 km (0.037 R)
• M9: 3,373,582 km (0.115 R)
• M10: 3,956,116 km (0.094 R)
• M11: 4,385,162 km (0.11 R)
• M12: 4,730,733 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.7

Radius: 14.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.6 AU - 0.7 AU

Year: 349 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,104,785 km

• M1: 179,069 km (0.111 R)
• M2: 795,861 km (0.086 R)
• M3: 1,587,084 km (0.076 R)
• M4: 2,345,695 km (0.11 R)
• M5: 3,326,757 km (0.106 R)
• M6: 4,296,451 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 8.6

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.09 AU - 1.69 AU

Year: 1093 Days

Day: 13.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,104,785 km

• M1: 107,561 km (0.116 R)
• M2: 375,191 km (0.115 R)
• M3: 939,475 km (0.083 R)
• M4: 1,234,332 km (0.056 R)
• M5: 1,526,048 km (0.086 R)
• M6: 2,017,327 km (0.102 R)
• M7: 2,338,514 km (0.101 R)
• M8: 2,730,161 km (0.062 R)
• M9: 3,442,247 km (0.055 R)
• M10: 4,525,485 km (0.039 R)
• M11: 5,098,744 km (0.044 R)
• M12: 5,422,624 km (0.086 R)
• M13: 5,882,637 km (0.086 R)
• M14: 6,609,982 km (0.102 R)
• M15: 6,949,419 km (0.113 R)
• M16: 7,638,617 km (0.105 R)
• M17: 7,987,330 km (0.079 R)
• M18: 9,292,421 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 10.8

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.56 AU - 2.18 AU

Year: 1705 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,104,785 km

• M1: 134,339 km (0.079 R)
• M2: 489,185 km (0.062 R)
• M3: 856,747 km (0.073 R)
• M4: 1,332,019 km (0.1 R)
• M5: 1,716,336 km (0.116 R)
• M6: 2,070,285 km (0.113 R)
• M7: 2,646,536 km (0.099 R)
• M8: 3,200,796 km (0.113 R)
• M9: 3,848,854 km (0.114 R)
• M10: 5,014,371 km (0.109 R)
• M11: 5,541,554 km (0.045 R)
• M12: 5,960,877 km (0.107 R)
• M13: 6,629,729 km (0.079 R)
• M14: 7,238,293 km (0.038 R)
• M15: 7,854,935 km (0.108 R)
• M16: 8,782,741 km (0.087 R)
• M17: 9,193,088 km (0.088 R)
• M18: 9,916,544 km (0.118 R)
• M19: 10,326,891 km (0.112 R)
• M20: 10,713,003 km (0.059 R)
• M21: 11,108,839 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.4

Radius: 3.6

Gravity: 42.55 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.14 AU - 6.78 AU

Year: 9703 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,104,785 km

• M1: 44,879 km (0.064 R)
• M2: 262,993 km (0.09 R)
• M3: 820,993 km (0.07 R)
• M4: 1,345,334 km (0.117 R)
• M5: 1,529,638 km (0.029 R)
• M6: 1,715,588 km (0.081 R)
• M7: 2,031,090 km (0.065 R)
• M8: 2,478,238 km (0.031 R)
• M9: 2,880,956 km (0.11 R)
• M10: 3,325,561 km (0.069 R)
• M11: 4,693,932 km (0.092 R)
• M12: 4,933,439 km (0.103 R)
• M13: 5,469,149 km (0.06 R)
• M14: 5,801,854 km (0.116 R)
• M15: 6,289,992 km (0.108 R)
• M16: 6,995,795 km (0.097 R)
• M17: 7,268,512 km (0.08 R)
• M18: 8,129,597 km (0.119 R)
• M19: 9,287,185 km (0.047 R)
• M20: 11,650,682 km (0.093 R)
• M21: 13,711,243 km (0.072 R)
• M22: 13,893,154 km (0.094 R)
• M23: 14,076,711 km (0.111 R)
• M24: 20,523,781 km (0.057 R)
• M25: 21,001,895 km (0.114 R)
• M26: 21,243,646 km (0.081 R)
• M27: 23,852,184 km (0.037 R)
• M28: 24,826,814 km (0.042 R)
• M29: 32,942,798 km (0.095 R)
• M30: 35,615,064 km (0.115 R)
• M31: 37,003,781 km (0.049 R)
• M32: 37,356,533 km (0.065 R)
• M33: 38,548,379 km (0.057 R)
• M34: 38,789,830 km (0.111 R)
• M35: 40,882,555 km (0.115 R)
• M36: 41,385,802 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.7

Radius: 5.4

Gravity: 29.86 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.51 AU - 7.87 AU

Year: 14221 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,104,785 km

• M1: 99,483 km (0.075 R)
• M2: 297,550 km (0.097 R)
• M3: 482,453 km (0.119 R)
• M4: 1,700,180 km (0.097 R)
• M5: 2,318,917 km (0.068 R)
• M6: 2,737,342 km (0.036 R)
• M7: 3,026,664 km (0.06 R)
• M8: 3,581,822 km (0.103 R)
• M9: 4,018,199 km (0.08 R)
• M10: 4,654,439 km (0.111 R)
• M11: 5,031,724 km (0.063 R)
• M12: 8,119,574 km (0.077 R)
• M13: 10,281,413 km (0.11 R)
• M14: 10,453,301 km (0.105 R)
• M15: 10,980,334 km (0.118 R)
• M16: 15,176,405 km (0.09 R)
• M17: 23,345,945 km (0.084 R)
• M18: 25,063,478 km (0.089 R)
• M19: 27,628,932 km (0.104 R)
• M20: 30,129,610 km (0.104 R)
• M21: 30,599,945 km (0.094 R)
• M22: 32,901,060 km (0.112 R)
• M23: 33,650,994 km (0.113 R)
• M24: 39,643,137 km (0.115 R)
• M25: 40,207,719 km (0.105 R)
• M26: 42,080,086 km (0.105 R)
• M27: 49,009,310 km (0.086 R)
• M28: 49,823,122 km (0.102 R)
• M29: 55,774,275 km (0.116 R)
• M30: 58,463,596 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.5

Radius: 6.5

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.95 AU - 9.35 AU

Year: 15516 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,104,785 km

• M1: 92,152 km (0.064 R)
• M2: 561,740 km (0.113 R)
• M3: 924,365 km (0.096 R)
• M4: 1,728,454 km (0.108 R)
• M5: 2,024,807 km (0.107 R)
• M6: 4,074,896 km (0.071 R)
• M7: 4,634,392 km (0.087 R)
• M8: 5,314,614 km (0.112 R)
• M9: 5,641,635 km (0.03 R)
• M10: 8,464,846 km (0.046 R)
• M11: 8,860,831 km (0.103 R)
• M12: 11,925,793 km (0.052 R)
• M13: 12,613,943 km (0.086 R)
• M14: 14,907,877 km (0.101 R)
• M15: 17,865,277 km (0.108 R)
• M16: 18,270,687 km (0.062 R)
• M17: 19,609,289 km (0.09 R)
• M18: 20,215,011 km (0.117 R)
• M19: 20,478,453 km (0.102 R)
• M20: 20,922,459 km (0.113 R)
• M21: 26,239,467 km (0.106 R)
• M22: 32,752,359 km (0.102 R)
• M23: 33,604,469 km (0.074 R)
• M24: 40,962,141 km (0.097 R)
• M25: 49,007,664 km (0.087 R)
• M26: 49,642,408 km (0.065 R)
• M27: 53,398,810 km (0.085 R)
• M28: 60,739,428 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 11,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit