🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 9.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.71 AU - 0.83 AU

Year: 430 Days

Day: 11.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,153,476 km

• M1: 116,986 km (0.096 R)
• M2: 434,133 km (0.075 R)
• M3: 901,926 km (0.043 R)
• M4: 1,467,256 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.6

Radius: 11

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.66 AU - 2.26 AU

Year: 1745 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,153,476 km

• M1: 139,575 km (0.105 R)
• M2: 965,654 km (0.076 R)
• M3: 2,593,877 km (0.043 R)
• M4: 3,039,230 km (0.113 R)
• M5: 3,535,446 km (0.102 R)
• M6: 4,122,469 km (0.068 R)
• M7: 4,549,122 km (0.114 R)
• M8: 6,663,388 km (0.05 R)
• M9: 7,363,955 km (0.086 R)
• M10: 7,848,203 km (0.04 R)
• M11: 8,232,670 km (0.105 R)
• M12: 9,298,405 km (0.116 R)
• M13: 9,796,716 km (0.099 R)
• M14: 11,102,705 km (0.09 R)
• M15: 11,550,302 km (0.119 R)
• M16: 12,601,377 km (0.097 R)
• M17: 13,253,623 km (0.048 R)
• M18: 14,405,377 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 12.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.79 AU - 2.61 AU

Year: 2075 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,153,476 km

• M1: 153,039 km (0.058 R)
• M2: 593,754 km (0.07 R)
• M3: 1,218,175 km (0.079 R)
• M4: 1,912,310 km (0.108 R)
• M5: 3,233,857 km (0.094 R)
• M6: 3,836,138 km (0.067 R)
• M7: 4,693,334 km (0.116 R)
• M8: 5,535,869 km (0.041 R)
• M9: 6,201,131 km (0.039 R)
• M10: 6,892,423 km (0.109 R)
• M11: 7,691,575 km (0.065 R)
• M12: 9,245,747 km (0.11 R)
• M13: 10,568,641 km (0.063 R)
• M14: 11,146,537 km (0.073 R)
• M15: 12,130,443 km (0.105 R)
• M16: 12,926,004 km (0.075 R)
• M17: 13,545,339 km (0.095 R)
• M18: 15,293,839 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 11.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.05 AU - 3.07 AU

Year: 2604 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,153,476 km

• M1: 155,582 km (0.084 R)
• M2: 550,071 km (0.09 R)
• M3: 905,067 km (0.082 R)
• M4: 1,560,306 km (0.118 R)
• M5: 1,951,205 km (0.114 R)
• M6: 2,862,106 km (0.103 R)
• M7: 4,023,435 km (0.117 R)
• M8: 4,967,397 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 8.2

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.08 AU - 3.88 AU

Year: 4128 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,153,476 km

• M1: 102,624 km (0.115 R)
• M2: 478,564 km (0.047 R)
• M3: 1,007,990 km (0.102 R)
• M4: 2,524,913 km (0.046 R)
• M5: 2,954,408 km (0.035 R)
• M6: 3,393,478 km (0.06 R)
• M7: 4,379,478 km (0.052 R)
• M8: 4,976,074 km (0.094 R)
• M9: 6,214,146 km (0.033 R)
• M10: 7,317,281 km (0.11 R)
• M11: 8,018,296 km (0.102 R)
• M12: 9,323,238 km (0.113 R)
• M13: 10,026,199 km (0.116 R)
• M14: 10,431,759 km (0.083 R)
• M15: 10,932,912 km (0.1 R)
• M16: 11,625,849 km (0.116 R)
• M17: 14,487,207 km (0.063 R)
• M18: 15,861,413 km (0.089 R)
• M19: 17,904,621 km (0.056 R)
• M20: 18,201,723 km (0.052 R)
• M21: 18,501,965 km (0.098 R)
• M22: 18,866,685 km (0.027 R)
• M23: 19,485,272 km (0.112 R)
• M24: 20,893,736 km (0.112 R)
• M25: 21,757,215 km (0.116 R)
• M26: 22,095,456 km (0.12 R)
• M27: 23,272,193 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 9.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.5 AU - 4.4 AU

Year: 4991 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,153,476 km

• M1: 121,922 km (0.102 R)
• M2: 632,500 km (0.073 R)
• M3: 1,009,038 km (0.093 R)
• M4: 1,400,386 km (0.094 R)
• M5: 2,000,273 km (0.113 R)
• M6: 2,497,387 km (0.096 R)
• M7: 2,995,099 km (0.106 R)
• M8: 3,469,175 km (0.087 R)
• M9: 5,514,178 km (0.107 R)
• M10: 6,699,890 km (0.118 R)
• M11: 7,713,865 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 14.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.87 AU - 5.03 AU

Year: 5969 Days

Day: 12.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,153,476 km

• M1: 181,612 km (0.097 R)
• M2: 906,264 km (0.116 R)
• M3: 1,587,981 km (0.098 R)
• M4: 2,137,006 km (0.057 R)
• M5: 2,998,989 km (0.098 R)
• M6: 3,586,459 km (0.079 R)
• M7: 4,373,045 km (0.117 R)
• M8: 4,914,589 km (0.103 R)
• M9: 5,826,538 km (0.065 R)
• M10: 6,916,358 km (0.069 R)
• M11: 9,166,011 km (0.056 R)
• M12: 9,883,931 km (0.069 R)
• M13: 12,315,046 km (0.113 R)
• M14: 13,032,518 km (0.083 R)
• M15: 14,721,029 km (0.119 R)
• M16: 16,859,979 km (0.116 R)
• M17: 17,425,758 km (0.093 R)
• M18: 19,609,139 km (0.101 R)
• M19: 22,644,929 km (0.093 R)
• M20: 25,077,689 km (0.039 R)
• M21: 27,248,654 km (0.068 R)
• M22: 28,823,321 km (0.11 R)
• M23: 31,016,276 km (0.052 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 17,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit