🌌 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: 181.5

Radius: 10.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,450,173 km

• M1: 135,685 km (0.066 R)
• M2: 497,413 km (0.111 R)
• M3: 964,607 km (0.1 R)
• M4: 1,421,629 km (0.057 R)
• M5: 2,234,095 km (0.117 R)
• M6: 2,722,980 km (0.071 R)
• M7: 3,154,869 km (0.064 R)
• M8: 3,686,092 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 9.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.89 AU - 0.97 AU

Year: 588 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,450,173 km

• M1: 123,119 km (0.113 R)
• M2: 534,064 km (0.116 R)
• M3: 1,158,935 km (0.072 R)
• M4: 1,510,340 km (0.093 R)
• M5: 2,277,628 km (0.115 R)
• M6: 2,588,791 km (0.047 R)
• M7: 3,385,849 km (0.062 R)
• M8: 4,429,294 km (0.053 R)
• M9: 5,067,029 km (0.038 R)
• M10: 5,549,034 km (0.102 R)
• M11: 6,271,143 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 8.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.94 AU - 1.16 AU

Year: 706 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,450,173 km

• M1: 109,506 km (0.118 R)
• M2: 384,018 km (0.083 R)
• M3: 658,829 km (0.055 R)
• M4: 958,174 km (0.037 R)
• M5: 1,330,673 km (0.117 R)
• M6: 1,790,986 km (0.114 R)
• M7: 2,067,891 km (0.077 R)
• M8: 2,646,237 km (0.038 R)
• M9: 2,985,375 km (0.084 R)
• M10: 4,370,502 km (0.105 R)
• M11: 4,783,093 km (0.072 R)
• M12: 5,171,449 km (0.083 R)
• M13: 5,493,683 km (0.091 R)
• M14: 6,085,492 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 13.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.5 AU - 1.82 AU

Year: 1403 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,450,173 km

• M1: 165,754 km (0.09 R)
• M2: 581,936 km (0.098 R)
• M3: 1,026,241 km (0.081 R)
• M4: 1,593,666 km (0.09 R)
• M5: 2,357,962 km (0.107 R)
• M6: 3,192,269 km (0.111 R)
• M7: 3,809,959 km (0.111 R)
• M8: 4,553,610 km (0.115 R)
• M9: 5,216,627 km (0.052 R)
• M10: 6,038,668 km (0.087 R)
• M11: 6,736,392 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 8.2

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.53 AU - 2.41 AU

Year: 1814 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,450,173 km

• M1: 102,923 km (0.056 R)
• M2: 503,995 km (0.109 R)
• M3: 777,759 km (0.097 R)
• M4: 1,336,807 km (0.104 R)
• M5: 2,382,795 km (0.095 R)
• M6: 2,906,238 km (0.111 R)
• M7: 3,697,012 km (0.069 R)
• M8: 4,009,223 km (0.049 R)
• M9: 4,792,517 km (0.051 R)
• M10: 5,075,257 km (0.09 R)
• M11: 5,485,006 km (0.07 R)
• M12: 5,770,289 km (0.084 R)
• M13: 6,242,420 km (0.106 R)
• M14: 6,957,498 km (0.078 R)
• M15: 7,320,572 km (0.113 R)
• M16: 8,268,873 km (0.1 R)
• M17: 11,410,877 km (0.108 R)
• M18: 12,477,809 km (0.104 R)
• M19: 13,182,864 km (0.071 R)
• M20: 13,523,797 km (0.074 R)
• M21: 15,038,476 km (0.104 R)
• M22: 15,599,168 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.8

Radius: 12

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.34 AU - 5.92 AU

Year: 8763 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,450,173 km

• M1: 149,448 km (0.083 R)
• M2: 699,071 km (0.078 R)
• M3: 1,633,459 km (0.116 R)
• M4: 2,044,255 km (0.069 R)
• M5: 2,714,005 km (0.091 R)
• M6: 3,144,098 km (0.103 R)
• M7: 4,688,248 km (0.066 R)
• M8: 6,367,933 km (0.068 R)
• M9: 6,834,977 km (0.12 R)
• M10: 7,248,017 km (0.065 R)
• M11: 8,083,072 km (0.099 R)
• M12: 8,849,013 km (0.114 R)
• M13: 9,340,592 km (0.074 R)
• M14: 10,040,111 km (0.09 R)
• M15: 12,964,451 km (0.092 R)
• M16: 13,540,702 km (0.095 R)
• M17: 14,134,156 km (0.09 R)
• M18: 15,372,827 km (0.095 R)
• M19: 17,089,762 km (0.074 R)
• M20: 17,853,309 km (0.11 R)
• M21: 19,151,819 km (0.056 R)
• M22: 19,748,714 km (0.083 R)
• M23: 22,017,067 km (0.048 R)
• M24: 28,874,334 km (0.091 R)
• M25: 32,309,849 km (0.116 R)
• M26: 34,892,955 km (0.073 R)
• M27: 35,336,513 km (0.048 R)
• M28: 37,727,087 km (0.113 R)
• M29: 39,981,078 km (0.1 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: 246 - 10,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit