🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 9.3

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.27 AU - 1.55 AU

Year: 1098 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,280,297 km

• M1: 115,639 km (0.119 R)
• M2: 481,406 km (0.067 R)
• M3: 803,191 km (0.09 R)
• M4: 1,296,116 km (0.061 R)
• M5: 1,981,573 km (0.084 R)
• M6: 2,342,254 km (0.042 R)
• M7: 2,746,467 km (0.076 R)
• M8: 3,402,604 km (0.094 R)
• M9: 4,023,435 km (0.074 R)
• M10: 4,370,053 km (0.082 R)
• M11: 6,343,997 km (0.104 R)
• M12: 7,410,929 km (0.073 R)
• M13: 8,994,722 km (0.061 R)
• M14: 10,210,803 km (0.094 R)
• M15: 11,158,655 km (0.073 R)
• M16: 11,567,655 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.9

Radius: 10.9

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.97 AU - 2.37 AU

Year: 2097 Days

Day: 10.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,280,297 km

• M1: 135,685 km (0.116 R)
• M2: 489,634 km (0.106 R)
• M3: 855,101 km (0.084 R)
• M4: 1,219,073 km (0.086 R)
• M5: 1,667,717 km (0.094 R)
• M6: 2,330,436 km (0.06 R)
• M7: 3,501,787 km (0.109 R)
• M8: 4,806,729 km (0.112 R)
• M9: 5,213,336 km (0.058 R)
• M10: 5,667,515 km (0.084 R)
• M11: 6,095,964 km (0.088 R)
• M12: 6,546,253 km (0.103 R)
• M13: 7,046,957 km (0.054 R)
• M14: 7,394,922 km (0.115 R)
• M15: 8,093,993 km (0.055 R)
• M16: 8,638,529 km (0.033 R)
• M17: 9,448,901 km (0.107 R)
• M18: 10,383,289 km (0.048 R)
• M19: 11,858,025 km (0.104 R)
• M20: 12,519,098 km (0.12 R)
• M21: 16,199,056 km (0.087 R)
• M22: 18,015,024 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.9

Radius: 8.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.33 AU - 3.43 AU

Year: 4076 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,280,297 km

• M1: 105,766 km (0.054 R)
• M2: 431,739 km (0.113 R)
• M3: 1,678,039 km (0.109 R)
• M4: 3,114,029 km (0.104 R)
• M5: 3,553,249 km (0.112 R)
• M6: 3,959,556 km (0.077 R)
• M7: 4,657,431 km (0.066 R)
• M8: 5,457,779 km (0.118 R)
• M9: 6,499,579 km (0.047 R)
• M10: 6,839,166 km (0.115 R)
• M11: 8,939,969 km (0.082 R)
• M12: 9,492,583 km (0.106 R)
• M13: 10,241,321 km (0.084 R)
• M14: 15,079,615 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 11.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.97 AU - 4.37 AU

Year: 4612 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,280,297 km

• M1: 144,811 km (0.063 R)
• M2: 539,749 km (0.077 R)
• M3: 1,295,966 km (0.058 R)
• M4: 2,251,298 km (0.111 R)
• M5: 3,406,493 km (0.064 R)
• M6: 3,857,082 km (0.111 R)
• M7: 7,311,297 km (0.076 R)
• M8: 8,337,987 km (0.051 R)
• M9: 9,558,706 km (0.093 R)
• M10: 9,968,005 km (0.081 R)
• M11: 10,712,404 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.7

Radius: 8.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.85 AU - 5.45 AU

Year: 7667 Days

Day: 9.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,280,297 km

• M1: 109,655 km (0.06 R)
• M2: 428,448 km (0.086 R)
• M3: 1,623,137 km (0.059 R)
• M4: 2,311,885 km (0.089 R)
• M5: 3,124,052 km (0.07 R)
• M6: 3,951,777 km (0.113 R)
• M7: 4,580,238 km (0.113 R)
• M8: 5,162,772 km (0.091 R)
• M9: 7,923,152 km (0.114 R)
• M10: 11,540,728 km (0.087 R)
• M11: 12,367,406 km (0.114 R)
• M12: 15,485,923 km (0.097 R)
• M13: 16,310,656 km (0.073 R)
• M14: 16,794,755 km (0.112 R)
• M15: 18,696,293 km (0.103 R)
• M16: 20,109,993 km (0.088 R)
• M17: 22,325,089 km (0.064 R)
• M18: 24,070,148 km (0.119 R)
• M19: 26,068,027 km (0.09 R)
• M20: 28,608,648 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.5

Radius: 8

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.04 AU - 7.82 AU

Year: 10696 Days

Day: 22 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,280,297 km

• M1: 99,483 km (0.099 R)
• M2: 354,397 km (0.118 R)
• M3: 618,438 km (0.106 R)
• M4: 1,451,997 km (0.073 R)
• M5: 1,741,020 km (0.088 R)
• M6: 3,602,766 km (0.072 R)
• M7: 3,864,113 km (0.1 R)
• M8: 4,194,425 km (0.041 R)
• M9: 4,725,348 km (0.096 R)
• M10: 5,234,280 km (0.087 R)
• M11: 5,921,084 km (0.036 R)
• M12: 8,944,008 km (0.075 R)
• M13: 10,811,887 km (0.053 R)
• M14: 12,096,035 km (0.095 R)
• M15: 13,856,503 km (0.108 R)
• M16: 23,598,316 km (0.115 R)
• M17: 25,747,439 km (0.114 R)
• M18: 28,125,746 km (0.055 R)
• M19: 30,002,751 km (0.112 R)
• M20: 34,004,643 km (0.106 R)
• M21: 39,234,136 km (0.067 R)
• M22: 41,706,540 km (0.113 R)
• M23: 42,777,810 km (0.113 R)
• M24: 47,536,519 km (0.036 R)
• M25: 49,296,837 km (0.108 R)
• M26: 49,893,283 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.8

Radius: 5.1

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.78 AU - 10.7 AU

Year: 18425 Days

Day: 24.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,280,297 km

• M1: 67,319 km (0.11 R)
• M2: 229,334 km (0.058 R)
• M3: 519,853 km (0.111 R)
• M4: 929,302 km (0.084 R)
• M5: 1,173,296 km (0.115 R)
• M6: 1,544,897 km (0.1 R)
• M7: 1,991,596 km (0.103 R)
• M8: 2,974,155 km (0.101 R)
• M9: 3,281,579 km (0.097 R)
• M10: 3,741,892 km (0.105 R)
• M11: 3,904,504 km (0.101 R)
• M12: 4,361,526 km (0.078 R)
• M13: 4,633,944 km (0.072 R)
• M14: 6,358,358 km (0.091 R)
• M15: 7,749,618 km (0.055 R)
• M16: 8,562,833 km (0.063 R)
• M17: 9,887,073 km (0.119 R)
• M18: 12,568,465 km (0.06 R)
• M19: 14,337,460 km (0.062 R)
• M20: 16,627,355 km (0.103 R)
• M21: 18,831,530 km (0.111 R)
• M22: 19,962,190 km (0.114 R)
• M23: 21,223,001 km (0.047 R)
• M24: 24,275,546 km (0.117 R)
• M25: 27,404,535 km (0.105 R)
• M26: 32,244,475 km (0.051 R)
• M27: 32,471,863 km (0.039 R)
• M28: 33,045,122 km (0.117 R)
• M29: 34,686,061 km (0.107 R)
• M30: 35,769,150 km (0.117 R)
• M31: 37,624,164 km (0.06 R)
• M32: 38,002,796 km (0.105 R)
• M33: 39,153,652 km (0.07 R)
• M34: 39,412,606 km (0.089 R)
• M35: 40,327,547 km (0.107 R)
• M36: 42,064,378 km (0.091 R)
• M37: 45,400,710 km (0.107 R)
• M38: 49,360,117 km (0.12 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: 400 - 12,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit