🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 10

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.73 AU - 0.83 AU

Year: 476 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,368,119 km

• M1: 124,316 km (0.11 R)
• M2: 1,042,248 km (0.082 R)
• M3: 1,353,711 km (0.086 R)
• M4: 1,768,696 km (0.105 R)
• M5: 2,775,340 km (0.097 R)
• M6: 3,356,976 km (0.03 R)
• M7: 4,199,511 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 13.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.72 AU - 1.08 AU

Year: 589 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,368,119 km

• M1: 164,109 km (0.047 R)
• M2: 617,091 km (0.088 R)
• M3: 1,094,907 km (0.101 R)
• M4: 1,573,770 km (0.028 R)
• M5: 2,504,119 km (0.088 R)
• M6: 2,996,894 km (0.065 R)
• M7: 3,567,909 km (0.1 R)
• M8: 4,046,772 km (0.109 R)
• M9: 4,568,569 km (0.032 R)
• M10: 5,031,724 km (0.036 R)
• M11: 5,804,697 km (0.06 R)
• M12: 6,329,486 km (0.073 R)
• M13: 6,801,467 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 13.8

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.48 AU - 1.7 AU

Year: 1384 Days

Day: 10.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,368,119 km

• M1: 171,888 km (0.115 R)
• M2: 617,390 km (0.117 R)
• M3: 1,338,452 km (0.083 R)
• M4: 2,219,584 km (0.097 R)
• M5: 3,233,857 km (0.084 R)
• M6: 3,697,012 km (0.064 R)
• M7: 4,189,937 km (0.081 R)
• M8: 4,647,258 km (0.12 R)
• M9: 5,087,375 km (0.083 R)
• M10: 6,700,339 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 8.3

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.57 AU - 2.31 AU

Year: 1865 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,368,119 km

• M1: 103,223 km (0.055 R)
• M2: 812,316 km (0.096 R)
• M3: 1,159,533 km (0.072 R)
• M4: 1,450,800 km (0.096 R)
• M5: 1,834,668 km (0.106 R)
• M6: 2,147,777 km (0.07 R)
• M7: 2,620,955 km (0.106 R)
• M8: 3,959,407 km (0.091 R)
• M9: 4,714,128 km (0.07 R)
• M10: 6,454,251 km (0.086 R)
• M11: 10,444,774 km (0.101 R)
• M12: 12,805,129 km (0.088 R)
• M13: 13,867,723 km (0.084 R)
• M14: 16,022,979 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 14.5

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.7 AU - 2.46 AU

Year: 2071 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,368,119 km

• M1: 180,415 km (0.067 R)
• M2: 686,056 km (0.082 R)
• M3: 1,606,681 km (0.065 R)
• M4: 2,141,045 km (0.066 R)
• M5: 2,838,470 km (0.072 R)
• M6: 3,441,349 km (0.095 R)
• M7: 4,052,457 km (0.099 R)
• M8: 4,693,184 km (0.086 R)
• M9: 5,470,944 km (0.06 R)
• M10: 6,359,256 km (0.08 R)
• M11: 7,143,149 km (0.113 R)
• M12: 8,839,140 km (0.085 R)
• M13: 9,505,897 km (0.066 R)
• M14: 10,977,641 km (0.095 R)
• M15: 11,669,980 km (0.07 R)
• M16: 12,514,161 km (0.116 R)
• M17: 13,528,584 km (0.067 R)
• M18: 15,435,060 km (0.1 R)
• M19: 15,962,691 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.4

Radius: 6.7

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.07 AU - 7.47 AU

Year: 12159 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 35,368,119 km

• M1: 83,924 km (0.115 R)
• M2: 303,534 km (0.118 R)
• M3: 607,816 km (0.055 R)
• M4: 898,036 km (0.114 R)
• M5: 1,110,615 km (0.07 R)
• M6: 1,565,991 km (0.114 R)
• M7: 1,780,514 km (0.108 R)
• M8: 2,385,188 km (0.117 R)
• M9: 2,607,790 km (0.096 R)
• M10: 2,888,735 km (0.036 R)
• M11: 4,702,759 km (0.071 R)
• M12: 5,993,190 km (0.106 R)
• M13: 7,250,111 km (0.054 R)
• M14: 9,908,615 km (0.058 R)
• M15: 10,977,641 km (0.117 R)
• M16: 11,482,983 km (0.111 R)
• M17: 12,240,098 km (0.063 R)
• M18: 12,479,604 km (0.12 R)
• M19: 14,846,242 km (0.116 R)
• M20: 15,673,818 km (0.067 R)
• M21: 16,314,545 km (0.086 R)
• M22: 20,029,210 km (0.083 R)
• M23: 21,210,435 km (0.074 R)
• M24: 26,902,634 km (0.076 R)
• M25: 27,923,490 km (0.105 R)
• M26: 30,260,059 km (0.069 R)
• M27: 39,461,824 km (0.086 R)
• M28: 44,904,942 km (0.105 R)
• M29: 47,068,726 km (0.067 R)
• M30: 47,362,387 km (0.079 R)
• M31: 48,399,848 km (0.075 R)
• M32: 50,060,534 km (0.097 R)
• M33: 52,228,656 km (0.061 R)
• M34: 52,859,510 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.6

Radius: 5.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.66 AU - 7.86 AU

Year: 14921 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 178.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,368,119 km

• M1: 118,482 km (0.045 R)
• M2: 341,682 km (0.03 R)
• M3: 635,193 km (0.114 R)
• M4: 1,156,392 km (0.088 R)
• M5: 1,390,662 km (0.11 R)
• M6: 1,895,555 km (0.111 R)
• M7: 3,775,850 km (0.107 R)
• M8: 5,778,517 km (0.047 R)
• M9: 8,195,719 km (0.066 R)
• M10: 13,910,807 km (0.107 R)
• M11: 14,898,153 km (0.096 R)
• M12: 17,272,421 km (0.079 R)
• M13: 17,536,162 km (0.055 R)
• M14: 18,549,238 km (0.036 R)
• M15: 20,617,279 km (0.08 R)
• M16: 20,839,582 km (0.077 R)
• M17: 24,369,493 km (0.08 R)
• M18: 24,868,402 km (0.064 R)
• M19: 26,405,819 km (0.085 R)
• M20: 31,396,404 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 10,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit