🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.6

Radius: 10

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 6.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,788,074 km

• M1: 124,914 km (0.111 R)
• M2: 733,927 km (0.118 R)
• M3: 1,291,030 km (0.091 R)
• M4: 1,603,689 km (0.108 R)
• M5: 1,960,480 km (0.104 R)
• M6: 2,613,924 km (0.082 R)
• M7: 3,222,189 km (0.058 R)
• M8: 3,619,820 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 13.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.66 AU - 1 AU

Year: 522 Days

Day: 13.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,788,074 km

• M1: 170,392 km (0.056 R)
• M2: 720,463 km (0.101 R)
• M3: 1,257,669 km (0.092 R)
• M4: 1,684,173 km (0.057 R)
• M5: 2,427,375 km (0.119 R)
• M6: 2,908,033 km (0.107 R)
• M7: 3,452,569 km (0.048 R)
• M8: 4,051,559 km (0.103 R)
• M9: 4,885,717 km (0.053 R)
• M10: 5,492,486 km (0.03 R)
• M11: 6,131,119 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.3

Radius: 14.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.39 AU - 1.77 AU

Year: 1371 Days

Day: 11.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,788,074 km

• M1: 177,872 km (0.091 R)
• M2: 645,964 km (0.108 R)
• M3: 1,690,306 km (0.083 R)
• M4: 2,227,363 km (0.089 R)
• M5: 3,441,798 km (0.112 R)
• M6: 4,188,890 km (0.076 R)
• M7: 4,705,003 km (0.084 R)
• M8: 5,433,843 km (0.115 R)
• M9: 5,988,104 km (0.09 R)
• M10: 6,623,595 km (0.093 R)
• M11: 7,257,292 km (0.078 R)
• M12: 8,646,308 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.5

Radius: 11.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.75 AU - 2.43 AU

Year: 2086 Days

Day: 10.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,788,074 km

• M1: 143,165 km (0.115 R)
• M2: 515,365 km (0.082 R)
• M3: 1,080,246 km (0.042 R)
• M4: 1,661,584 km (0.032 R)
• M5: 2,058,168 km (0.095 R)
• M6: 3,579,877 km (0.112 R)
• M7: 4,312,907 km (0.102 R)
• M8: 4,799,249 km (0.059 R)
• M9: 5,178,929 km (0.089 R)
• M10: 5,999,174 km (0.087 R)
• M11: 6,585,747 km (0.101 R)
• M12: 7,502,782 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 11.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.76 AU - 3.72 AU

Year: 4026 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,788,074 km

• M1: 142,268 km (0.076 R)
• M2: 977,472 km (0.107 R)
• M3: 1,422,377 km (0.112 R)
• M4: 2,284,359 km (0.063 R)
• M5: 2,703,084 km (0.116 R)
• M6: 4,433,034 km (0.057 R)
• M7: 5,114,602 km (0.108 R)
• M8: 5,919,139 km (0.074 R)
• M9: 6,568,992 km (0.097 R)
• M10: 6,926,531 km (0.095 R)
• M11: 11,257,240 km (0.09 R)
• M12: 12,707,442 km (0.099 R)
• M13: 14,328,185 km (0.087 R)
• M14: 17,291,419 km (0.113 R)
• M15: 18,737,582 km (0.079 R)
• M16: 20,325,563 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.5

Radius: 10.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.06 AU - 3.52 AU

Year: 4119 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,788,074 km

• M1: 133,142 km (0.079 R)
• M2: 491,429 km (0.039 R)
• M3: 1,056,161 km (0.066 R)
• M4: 1,566,738 km (0.07 R)
• M5: 2,026,303 km (0.099 R)
• M6: 3,201,544 km (0.043 R)
• M7: 3,970,627 km (0.081 R)
• M8: 5,959,381 km (0.097 R)
• M9: 8,212,325 km (0.081 R)
• M10: 13,207,547 km (0.099 R)
• M11: 14,795,379 km (0.103 R)
• M12: 15,996,949 km (0.057 R)
• M13: 16,679,115 km (0.067 R)
• M14: 18,162,677 km (0.029 R)
• M15: 18,842,600 km (0.095 R)
• M16: 19,475,399 km (0.116 R)
• M17: 20,122,260 km (0.107 R)
• M18: 21,051,861 km (0.081 R)
• M19: 22,570,130 km (0.093 R)
• M20: 22,996,484 km (0.08 R)
• M21: 24,906,998 km (0.118 R)
• M22: 25,746,242 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 11.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.93 AU - 4.37 AU

Year: 5836 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,788,074 km

• M1: 141,819 km (0.072 R)
• M2: 792,719 km (0.087 R)
• M3: 1,238,222 km (0.089 R)
• M4: 2,151,965 km (0.087 R)
• M5: 2,782,820 km (0.115 R)
• M6: 4,121,272 km (0.066 R)
• M7: 5,493,533 km (0.108 R)
• M8: 7,979,700 km (0.082 R)
• M9: 8,476,664 km (0.027 R)
• M10: 11,660,855 km (0.047 R)
• M11: 13,386,017 km (0.084 R)
• M12: 15,803,968 km (0.091 R)
• M13: 16,284,027 km (0.068 R)
• M14: 22,301,303 km (0.09 R)
• M15: 25,351,154 km (0.084 R)
• M16: 26,342,839 km (0.1 R)
• M17: 26,763,657 km (0.048 R)
• M18: 27,705,226 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 16,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit