🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 10.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.71 AU - 0.95 AU

Year: 496 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,519,228 km

• M1: 129,402 km (0.064 R)
• M2: 468,391 km (0.107 R)
• M3: 833,260 km (0.1 R)
• M4: 1,208,302 km (0.103 R)
• M5: 2,169,768 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.2

Radius: 13.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.78 AU - 0.96 AU

Year: 532 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,519,228 km

• M1: 166,802 km (0.088 R)
• M2: 612,154 km (0.065 R)
• M3: 1,218,774 km (0.101 R)
• M4: 1,740,422 km (0.095 R)
• M5: 2,163,933 km (0.11 R)
• M6: 2,866,744 km (0.06 R)
• M7: 3,392,431 km (0.071 R)
• M8: 4,231,376 km (0.115 R)
• M9: 5,588,827 km (0.115 R)
• M10: 6,100,601 km (0.112 R)

Asteroid Belt

Center: 1.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.9

Radius: 14.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.98 AU - 2.38 AU

Year: 2112 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,519,228 km

• M1: 185,801 km (0.067 R)
• M2: 694,134 km (0.109 R)
• M3: 1,244,804 km (0.036 R)
• M4: 1,938,190 km (0.081 R)
• M5: 2,584,902 km (0.05 R)
• M6: 3,077,527 km (0.094 R)
• M7: 3,619,371 km (0.117 R)
• M8: 4,560,940 km (0.078 R)
• M9: 5,509,540 km (0.097 R)
• M10: 6,480,729 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 10.6

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.65 AU - 2.71 AU

Year: 2112 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,519,228 km

• M1: 131,796 km (0.058 R)
• M2: 499,058 km (0.101 R)
• M3: 1,197,830 km (0.026 R)
• M4: 1,533,229 km (0.119 R)
• M5: 1,909,766 km (0.112 R)
• M6: 2,322,357 km (0.068 R)
• M7: 2,663,291 km (0.097 R)
• M8: 3,117,021 km (0.086 R)
• M9: 5,378,043 km (0.096 R)
• M10: 5,783,304 km (0.09 R)
• M11: 6,495,390 km (0.096 R)
• M12: 6,983,229 km (0.08 R)
• M13: 8,217,261 km (0.077 R)
• M14: 9,834,414 km (0.09 R)
• M15: 10,478,732 km (0.093 R)
• M16: 11,693,318 km (0.11 R)
• M17: 12,457,613 km (0.082 R)
• M18: 16,290,011 km (0.118 R)
• M19: 16,686,894 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.6

Radius: 11.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.83 AU - 2.95 AU

Year: 2424 Days

Day: 8.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,519,228 km

• M1: 141,968 km (0.044 R)
• M2: 549,922 km (0.099 R)
• M3: 976,575 km (0.053 R)
• M4: 1,514,080 km (0.085 R)
• M5: 1,875,957 km (0.111 R)
• M6: 2,243,220 km (0.061 R)
• M7: 2,682,888 km (0.116 R)
• M8: 3,289,208 km (0.09 R)
• M9: 4,866,419 km (0.098 R)
• M10: 5,295,765 km (0.049 R)
• M11: 7,810,804 km (0.063 R)
• M12: 8,218,309 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.5

Radius: 5.1

Gravity: 37.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.1 AU - 8.74 AU

Year: 13259 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,519,228 km

• M1: 63,429 km (0.107 R)
• M2: 242,199 km (0.084 R)
• M3: 747,840 km (0.081 R)
• M4: 1,069,326 km (0.063 R)
• M5: 1,235,230 km (0.107 R)
• M6: 1,858,006 km (0.096 R)
• M7: 2,646,985 km (0.081 R)
• M8: 3,417,563 km (0.112 R)
• M9: 4,391,745 km (0.083 R)
• M10: 6,446,920 km (0.043 R)
• M11: 6,785,011 km (0.039 R)
• M12: 7,046,359 km (0.045 R)
• M13: 8,757,310 km (0.034 R)
• M14: 11,752,858 km (0.06 R)
• M15: 15,970,620 km (0.039 R)
• M16: 17,385,068 km (0.092 R)
• M17: 21,654,441 km (0.12 R)
• M18: 28,778,442 km (0.105 R)
• M19: 33,799,993 km (0.111 R)
• M20: 36,916,267 km (0.061 R)
• M21: 40,930,725 km (0.093 R)
• M22: 45,687,339 km (0.085 R)
• M23: 51,631,312 km (0.07 R)
• M24: 52,134,708 km (0.062 R)
• M25: 63,668,106 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.6

Radius: 7.1

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 9.21 AU - 12.99 AU

Year: 24260 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,519,228 km

• M1: 210,783 km (0.118 R)
• M2: 1,080,396 km (0.032 R)
• M3: 1,649,317 km (0.085 R)
• M4: 2,493,348 km (0.117 R)
• M5: 3,451,073 km (0.065 R)
• M6: 3,965,241 km (0.107 R)
• M7: 4,958,721 km (0.084 R)
• M8: 10,926,479 km (0.063 R)
• M9: 11,308,253 km (0.084 R)
• M10: 12,233,665 km (0.039 R)
• M11: 21,036,453 km (0.083 R)
• M12: 24,640,864 km (0.102 R)
• M13: 25,187,195 km (0.111 R)
• M14: 26,645,774 km (0.115 R)
• M15: 28,756,899 km (0.031 R)
• M16: 37,883,417 km (0.092 R)
• M17: 40,244,969 km (0.084 R)
• M18: 54,085,315 km (0.101 R)
• M19: 55,566,184 km (0.119 R)
• M20: 56,505,509 km (0.096 R)
• M21: 63,378,484 km (0.119 R)
• M22: 71,007,976 km (0.055 R)
• M23: 75,042,481 km (0.086 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: 322 - 16,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit