🌌 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: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 9.4

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.75 AU - 0.75 AU

Year: 419 Days

Day: 7.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,099,525 km

• M1: 116,986 km (0.039 R)
• M2: 422,764 km (0.097 R)
• M3: 732,282 km (0.084 R)
• M4: 1,098,348 km (0.03 R)
• M5: 1,539,362 km (0.088 R)
• M6: 1,901,987 km (0.052 R)
• M7: 2,430,965 km (0.095 R)
• M8: 2,926,733 km (0.117 R)
• M9: 3,255,698 km (0.098 R)
• M10: 3,572,846 km (0.111 R)
• M11: 4,269,972 km (0.058 R)
• M12: 4,842,782 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.9

Radius: 14

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.93 AU - 2.27 AU

Year: 1965 Days

Day: 14.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,099,525 km

• M1: 174,132 km (0.113 R)
• M2: 615,296 km (0.113 R)
• M3: 1,162,824 km (0.117 R)
• M4: 1,976,936 km (0.104 R)
• M5: 2,439,792 km (0.027 R)
• M6: 3,654,676 km (0.05 R)
• M7: 4,110,201 km (0.085 R)
• M8: 5,366,524 km (0.098 R)
• M9: 8,338,137 km (0.092 R)
• M10: 11,793,847 km (0.119 R)
• M11: 12,382,066 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 12.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.87 AU - 2.93 AU

Year: 2401 Days

Day: 11.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,099,525 km

• M1: 157,975 km (0.112 R)
• M2: 682,316 km (0.043 R)
• M3: 1,219,522 km (0.049 R)
• M4: 1,708,707 km (0.117 R)
• M5: 2,252,944 km (0.037 R)
• M6: 3,158,759 km (0.079 R)
• M7: 3,556,241 km (0.1 R)
• M8: 4,554,806 km (0.116 R)
• M9: 5,311,472 km (0.095 R)
• M10: 6,200,682 km (0.1 R)
• M11: 7,910,287 km (0.089 R)
• M12: 9,604,931 km (0.108 R)
• M13: 11,300,324 km (0.094 R)
• M14: 11,763,329 km (0.088 R)
• M15: 12,977,017 km (0.045 R)
• M16: 15,416,210 km (0.077 R)
• M17: 15,938,456 km (0.112 R)
• M18: 16,374,684 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.8

Radius: 14.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.39 AU - 3.33 AU

Year: 3123 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,099,525 km

• M1: 186,100 km (0.076 R)
• M2: 655,239 km (0.106 R)
• M3: 1,392,906 km (0.12 R)
• M4: 2,221,528 km (0.115 R)
• M5: 2,719,091 km (0.109 R)
• M6: 3,205,284 km (0.088 R)
• M7: 3,827,013 km (0.117 R)
• M8: 4,485,094 km (0.094 R)
• M9: 5,122,381 km (0.045 R)
• M10: 5,741,865 km (0.108 R)
• M11: 6,750,754 km (0.077 R)
• M12: 7,435,613 km (0.079 R)
• M13: 8,068,412 km (0.036 R)
• M14: 8,771,522 km (0.093 R)
• M15: 9,551,525 km (0.119 R)
• M16: 10,109,675 km (0.089 R)
• M17: 12,563,678 km (0.09 R)
• M18: 13,463,659 km (0.051 R)
• M19: 13,976,630 km (0.097 R)
• M20: 15,645,693 km (0.109 R)
• M21: 17,389,406 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.5

Radius: 5.1

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.88 AU - 7.86 AU

Year: 10381 Days

Day: 16.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,099,525 km

• M1: 63,878 km (0.107 R)
• M2: 303,235 km (0.114 R)
• M3: 476,619 km (0.053 R)
• M4: 1,315,414 km (0.116 R)
• M5: 1,490,444 km (0.116 R)
• M6: 2,499,332 km (0.113 R)
• M7: 3,346,355 km (0.06 R)
• M8: 3,897,773 km (0.081 R)
• M9: 4,129,350 km (0.089 R)
• M10: 5,586,882 km (0.093 R)
• M11: 6,049,738 km (0.104 R)
• M12: 6,718,291 km (0.091 R)
• M13: 7,279,732 km (0.043 R)
• M14: 8,453,327 km (0.11 R)
• M15: 9,287,335 km (0.116 R)
• M16: 10,079,007 km (0.092 R)
• M17: 10,417,547 km (0.052 R)
• M18: 14,053,074 km (0.072 R)
• M19: 14,721,029 km (0.107 R)
• M20: 15,219,938 km (0.048 R)
• M21: 17,466,898 km (0.033 R)
• M22: 18,096,705 km (0.055 R)
• M23: 18,453,047 km (0.032 R)
• M24: 18,669,066 km (0.045 R)
• M25: 22,441,476 km (0.11 R)
• M26: 23,353,125 km (0.12 R)
• M27: 25,605,471 km (0.085 R)
• M28: 26,054,564 km (0.034 R)
• M29: 26,417,787 km (0.119 R)
• M30: 27,153,958 km (0.075 R)
• M31: 27,715,100 km (0.068 R)
• M32: 27,903,892 km (0.113 R)
• M33: 29,249,226 km (0.109 R)
• M34: 29,641,472 km (0.105 R)
• M35: 30,436,285 km (0.094 R)
• M36: 31,552,285 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917

Radius: 7.4

Gravity: 16.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.17 AU - 9.79 AU

Year: 15944 Days

Day: 17.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,099,525 km

• M1: 93,798 km (0.056 R)
• M2: 562,937 km (0.077 R)
• M3: 1,087,427 km (0.107 R)
• M4: 1,605,933 km (0.115 R)
• M5: 2,872,578 km (0.057 R)
• M6: 4,330,709 km (0.103 R)
• M7: 5,388,964 km (0.104 R)
• M8: 7,055,335 km (0.034 R)
• M9: 8,878,634 km (0.102 R)
• M10: 15,031,744 km (0.066 R)
• M11: 17,841,341 km (0.12 R)
• M12: 18,442,425 km (0.064 R)
• M13: 24,579,529 km (0.099 R)
• M14: 26,412,701 km (0.059 R)
• M15: 27,646,285 km (0.099 R)
• M16: 29,866,616 km (0.075 R)
• M17: 30,107,170 km (0.078 R)
• M18: 30,348,770 km (0.113 R)
• M19: 36,272,846 km (0.103 R)
• M20: 41,563,375 km (0.082 R)
• M21: 51,888,620 km (0.066 R)
• M22: 54,893,293 km (0.075 R)
• M23: 55,435,137 km (0.071 R)
• M24: 68,698,185 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 15,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit