🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 11.6

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.75 AU - 0.77 AU

Year: 428 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,853,309 km

• M1: 144,960 km (0.099 R)
• M2: 514,317 km (0.073 R)
• M3: 932,144 km (0.045 R)
• M4: 1,415,794 km (0.077 R)
• M5: 1,790,238 km (0.026 R)
• M6: 2,178,295 km (0.096 R)
• M7: 3,545,619 km (0.071 R)
• M8: 4,055,000 km (0.033 R)
• M9: 4,479,708 km (0.082 R)
• M10: 5,254,027 km (0.036 R)
• M11: 5,639,241 km (0.043 R)
• M12: 6,298,669 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 13.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.71 AU - 0.93 AU

Year: 479 Days

Day: 9.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,853,309 km

• M1: 167,400 km (0.083 R)
• M2: 637,137 km (0.06 R)
• M3: 1,369,419 km (0.088 R)
• M4: 1,980,227 km (0.103 R)
• M5: 2,844,753 km (0.107 R)
• M6: 3,769,268 km (0.047 R)
• M7: 4,181,560 km (0.071 R)
• M8: 4,610,756 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 11.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.78 AU - 1.22 AU

Year: 646 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,853,309 km

• M1: 138,079 km (0.051 R)
• M2: 568,472 km (0.046 R)
• M3: 1,016,667 km (0.045 R)
• M4: 1,631,814 km (0.11 R)
• M5: 2,097,063 km (0.088 R)
• M6: 2,472,554 km (0.118 R)
• M7: 3,361,464 km (0.116 R)
• M8: 3,755,655 km (0.099 R)
• M9: 4,513,069 km (0.094 R)
• M10: 6,233,444 km (0.111 R)
• M11: 6,688,970 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.6

Radius: 8.8

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.91 AU - 1.21 AU

Year: 705 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,853,309 km

• M1: 110,852 km (0.047 R)
• M2: 410,197 km (0.1 R)
• M3: 725,849 km (0.101 R)
• M4: 1,390,811 km (0.118 R)
• M5: 1,666,221 km (0.05 R)
• M6: 2,134,163 km (0.111 R)
• M7: 3,017,688 km (0.114 R)
• M8: 3,292,948 km (0.103 R)
• M9: 3,657,369 km (0.079 R)
• M10: 4,567,971 km (0.031 R)
• M11: 5,279,010 km (0.075 R)
• M12: 6,988,016 km (0.1 R)

Asteroid Belt

Center: 1.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 13

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.6 AU - 2.2 AU

Year: 1691 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,853,309 km

• M1: 162,164 km (0.03 R)
• M2: 606,919 km (0.093 R)
• M3: 1,158,636 km (0.086 R)
• M4: 1,641,986 km (0.108 R)
• M5: 2,073,875 km (0.119 R)
• M6: 3,074,087 km (0.107 R)
• M7: 3,660,062 km (0.118 R)
• M8: 4,074,148 km (0.11 R)
• M9: 4,978,019 km (0.097 R)
• M10: 5,488,596 km (0.066 R)
• M11: 7,208,523 km (0.053 R)
• M12: 8,220,104 km (0.104 R)
• M13: 8,906,309 km (0.079 R)
• M14: 9,476,427 km (0.094 R)
• M15: 11,025,961 km (0.096 R)
• M16: 11,578,277 km (0.12 R)
• M17: 12,112,790 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 11.6

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.46 AU - 6.46 AU

Year: 8238 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,853,309 km

• M1: 146,157 km (0.101 R)
• M2: 701,614 km (0.108 R)
• M3: 1,101,190 km (0.103 R)
• M4: 1,601,595 km (0.073 R)
• M5: 2,148,973 km (0.086 R)
• M6: 2,542,865 km (0.04 R)
• M7: 3,248,069 km (0.09 R)
• M8: 4,053,055 km (0.118 R)
• M9: 6,375,263 km (0.051 R)
• M10: 7,005,219 km (0.053 R)
• M11: 8,696,423 km (0.107 R)
• M12: 9,101,385 km (0.115 R)
• M13: 9,998,074 km (0.079 R)
• M14: 11,319,323 km (0.101 R)
• M15: 12,077,335 km (0.108 R)
• M16: 14,555,424 km (0.115 R)
• M17: 15,451,814 km (0.119 R)
• M18: 19,332,982 km (0.054 R)
• M19: 21,457,421 km (0.086 R)
• M20: 27,682,637 km (0.086 R)
• M21: 28,561,525 km (0.115 R)
• M22: 30,787,990 km (0.118 R)
• M23: 31,309,638 km (0.081 R)
• M24: 32,370,885 km (0.103 R)
• M25: 33,346,263 km (0.071 R)
• M26: 33,786,081 km (0.057 R)
• M27: 34,564,887 km (0.091 R)
• M28: 38,278,804 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.7

Radius: 3.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.5 AU - 10.08 AU

Year: 19778 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,853,309 km

• M1: 39,943 km (0.091 R)
• M2: 168,447 km (0.109 R)
• M3: 329,265 km (0.074 R)
• M4: 444,754 km (0.06 R)
• M5: 730,786 km (0.102 R)
• M6: 914,043 km (0.068 R)
• M7: 1,825,692 km (0.107 R)
• M8: 2,558,722 km (0.114 R)
• M9: 3,384,053 km (0.117 R)
• M10: 3,891,489 km (0.12 R)
• M11: 4,473,126 km (0.032 R)
• M12: 7,892,335 km (0.096 R)
• M13: 8,269,770 km (0.082 R)
• M14: 9,348,969 km (0.119 R)
• M15: 9,857,303 km (0.092 R)
• M16: 16,782,039 km (0.09 R)
• M17: 17,279,152 km (0.107 R)
• M18: 21,470,735 km (0.094 R)
• M19: 25,226,839 km (0.099 R)
• M20: 27,386,882 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 18,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit