🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 11.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,291,816 km

• M1: 146,905 km (0.113 R)
• M2: 539,300 km (0.068 R)
• M3: 1,079,947 km (0.104 R)
• M4: 1,772,585 km (0.073 R)
• M5: 2,945,881 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 13.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.77 AU - 0.93 AU

Year: 532 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,291,816 km

• M1: 165,455 km (0.099 R)
• M2: 603,029 km (0.027 R)
• M3: 1,069,924 km (0.06 R)
• M4: 1,539,960 km (0.107 R)
• M5: 2,115,015 km (0.118 R)
• M6: 2,633,072 km (0.079 R)
• M7: 3,514,353 km (0.092 R)
• M8: 3,969,879 km (0.11 R)
• M9: 4,969,342 km (0.063 R)
• M10: 6,222,075 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 12.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.27 AU - 1.47 AU

Year: 1088 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,291,816 km

• M1: 154,235 km (0.061 R)
• M2: 560,693 km (0.055 R)
• M3: 1,229,694 km (0.114 R)
• M4: 2,839,068 km (0.074 R)
• M5: 3,295,940 km (0.108 R)
• M6: 3,706,287 km (0.12 R)
• M7: 4,589,663 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 14.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.02 AU - 2.28 AU

Year: 2138 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,291,816 km

• M1: 185,352 km (0.045 R)
• M2: 673,190 km (0.119 R)
• M3: 1,519,017 km (0.107 R)
• M4: 2,093,473 km (0.055 R)
• M5: 2,609,286 km (0.082 R)
• M6: 3,970,178 km (0.052 R)
• M7: 4,677,028 km (0.077 R)
• M8: 5,343,038 km (0.038 R)
• M9: 9,009,532 km (0.081 R)
• M10: 9,731,940 km (0.103 R)
• M11: 10,921,393 km (0.118 R)
• M12: 11,395,917 km (0.082 R)
• M13: 12,062,076 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.6

Radius: 10.2

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.16 AU - 4.72 AU

Year: 6345 Days

Day: 12.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,291,816 km

• M1: 127,009 km (0.106 R)
• M2: 453,431 km (0.093 R)
• M3: 1,239,867 km (0.053 R)
• M4: 1,863,092 km (0.098 R)
• M5: 2,214,497 km (0.117 R)
• M6: 2,702,486 km (0.077 R)
• M7: 3,177,010 km (0.046 R)
• M8: 3,895,529 km (0.083 R)
• M9: 4,319,489 km (0.106 R)
• M10: 5,561,600 km (0.094 R)
• M11: 5,938,437 km (0.092 R)
• M12: 6,570,039 km (0.104 R)
• M13: 8,819,842 km (0.036 R)
• M14: 9,246,644 km (0.09 R)
• M15: 11,440,048 km (0.093 R)
• M16: 13,506,743 km (0.061 R)
• M17: 17,089,014 km (0.091 R)
• M18: 17,753,228 km (0.054 R)
• M19: 19,704,882 km (0.114 R)
• M20: 20,732,470 km (0.079 R)
• M21: 21,183,657 km (0.114 R)
• M22: 24,112,334 km (0.096 R)
• M23: 28,669,834 km (0.074 R)
• M24: 29,418,421 km (0.102 R)
• M25: 30,469,047 km (0.042 R)
• M26: 30,954,791 km (0.12 R)
• M27: 32,141,701 km (0.102 R)
• M28: 32,543,970 km (0.115 R)
• M29: 33,461,304 km (0.116 R)
• M30: 34,082,434 km (0.086 R)
• M31: 35,347,733 km (0.119 R)
• M32: 36,100,210 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.4

Radius: 5.3

Gravity: 34.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.25 AU - 9.13 AU

Year: 15897 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,291,816 km

• M1: 65,973 km (0.113 R)
• M2: 338,091 km (0.03 R)
• M3: 506,538 km (0.119 R)
• M4: 1,793,678 km (0.117 R)
• M5: 2,180,539 km (0.1 R)
• M6: 4,673,437 km (0.09 R)
• M7: 5,958,034 km (0.114 R)
• M8: 10,762,819 km (0.078 R)
• M9: 11,194,708 km (0.118 R)
• M10: 17,738,119 km (0.053 R)
• M11: 19,768,461 km (0.071 R)
• M12: 20,792,159 km (0.103 R)
• M13: 21,461,759 km (0.094 R)
• M14: 26,003,251 km (0.117 R)
• M15: 29,922,267 km (0.097 R)
• M16: 30,164,316 km (0.094 R)
• M17: 56,790,643 km (0.036 R)
• M18: 62,529,068 km (0.072 R)
• M19: 63,123,270 km (0.087 R)
• M20: 63,921,525 km (0.049 R)
• M21: 69,274,436 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.8

Radius: 3.6

Gravity: 51.91 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.2 AU - 10.56 AU

Year: 21063 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,291,816 km

• M1: 45,627 km (0.107 R)
• M2: 233,073 km (0.091 R)
• M3: 900,878 km (0.105 R)
• M4: 1,534,126 km (0.11 R)
• M5: 2,308,744 km (0.105 R)
• M6: 3,257,942 km (0.113 R)
• M7: 3,976,162 km (0.077 R)
• M8: 4,580,088 km (0.113 R)
• M9: 5,090,217 km (0.061 R)
• M10: 10,983,625 km (0.092 R)
• M11: 12,572,355 km (0.118 R)
• M12: 21,335,648 km (0.082 R)
• M13: 24,431,726 km (0.109 R)
• M14: 25,084,870 km (0.081 R)
• M15: 38,770,233 km (0.105 R)
• M16: 39,658,246 km (0.089 R)
• M17: 41,628,450 km (0.072 R)
• M18: 50,863,276 km (0.113 R)
• M19: 52,105,537 km (0.1 R)
• M20: 56,518,375 km (0.094 R)
• M21: 75,508,628 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 20,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit