🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.7

Radius: 12.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,598,541 km

• M1: 160,369 km (0.112 R)
• M2: 647,759 km (0.114 R)
• M3: 1,086,978 km (0.104 R)
• M4: 1,612,216 km (0.114 R)
• M5: 2,101,551 km (0.099 R)
• M6: 3,154,122 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 14.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.5 AU - 0.56 AU

Year: 257 Days

Day: 9.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,598,541 km

• M1: 177,872 km (0.116 R)
• M2: 657,931 km (0.063 R)
• M3: 1,157,289 km (0.079 R)
• M4: 1,878,500 km (0.11 R)
• M5: 2,368,134 km (0.041 R)
• M6: 3,010,208 km (0.085 R)
• M7: 3,678,013 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 14.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.93 AU - 1.41 AU

Year: 844 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,598,541 km

• M1: 179,966 km (0.097 R)
• M2: 1,092,513 km (0.071 R)
• M3: 1,695,093 km (0.094 R)
• M4: 2,341,655 km (0.11 R)
• M5: 3,494,606 km (0.069 R)
• M6: 4,374,391 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.9

Radius: 8.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.5 AU - 1.58 AU

Year: 1274 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,598,541 km

• M1: 103,821 km (0.116 R)
• M2: 772,075 km (0.105 R)
• M3: 1,202,617 km (0.046 R)
• M4: 1,729,202 km (0.116 R)
• M5: 2,078,363 km (0.083 R)
• M6: 2,401,495 km (0.056 R)
• M7: 2,908,033 km (0.116 R)
• M8: 3,444,341 km (0.076 R)
• M9: 3,729,475 km (0.093 R)
• M10: 4,074,597 km (0.063 R)
• M11: 4,567,971 km (0.077 R)
• M12: 5,222,462 km (0.088 R)
• M13: 5,861,544 km (0.107 R)
• M14: 6,551,938 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.2

Radius: 13.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.89 AU - 2.13 AU

Year: 1900 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,598,541 km

• M1: 173,085 km (0.097 R)
• M2: 719,566 km (0.098 R)
• M3: 1,423,723 km (0.114 R)
• M4: 2,069,986 km (0.116 R)
• M5: 2,760,829 km (0.066 R)
• M6: 3,347,701 km (0.055 R)
• M7: 4,285,680 km (0.097 R)
• M8: 5,188,204 km (0.083 R)
• M9: 6,471,005 km (0.072 R)
• M10: 7,034,241 km (0.066 R)
• M11: 7,514,151 km (0.091 R)
• M12: 8,259,598 km (0.11 R)
• M13: 8,826,574 km (0.039 R)
• M14: 9,622,733 km (0.071 R)
• M15: 10,394,359 km (0.066 R)
• M16: 11,628,691 km (0.108 R)
• M17: 13,126,316 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 14.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.23 AU - 3.19 AU

Year: 2975 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,598,541 km

• M1: 180,265 km (0.076 R)
• M2: 639,531 km (0.097 R)
• M3: 1,239,867 km (0.095 R)
• M4: 1,843,495 km (0.106 R)
• M5: 2,766,663 km (0.104 R)
• M6: 3,359,071 km (0.11 R)
• M7: 4,739,859 km (0.104 R)
• M8: 5,231,737 km (0.11 R)
• M9: 8,594,398 km (0.114 R)
• M10: 9,900,237 km (0.115 R)
• M11: 13,359,090 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116

Radius: 10.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.2 AU - 6.22 AU

Year: 9099 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,598,541 km

• M1: 136,134 km (0.089 R)
• M2: 869,762 km (0.087 R)
• M3: 1,230,592 km (0.102 R)
• M4: 1,612,366 km (0.086 R)
• M5: 6,121,096 km (0.08 R)
• M6: 11,439,600 km (0.049 R)
• M7: 16,218,204 km (0.093 R)
• M8: 19,106,341 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 11.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.66 AU - 5.76 AU

Year: 9099 Days

Day: 11.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,598,541 km

• M1: 154,535 km (0.029 R)
• M2: 955,631 km (0.059 R)
• M3: 1,754,334 km (0.095 R)
• M4: 2,938,102 km (0.051 R)
• M5: 6,858,763 km (0.033 R)
• M6: 7,221,239 km (0.094 R)
• M7: 7,821,425 km (0.074 R)
• M8: 9,412,848 km (0.054 R)
• M9: 11,086,549 km (0.073 R)
• M10: 14,222,419 km (0.071 R)
• M11: 16,579,034 km (0.058 R)
• M12: 18,306,890 km (0.092 R)
• M13: 19,483,477 km (0.081 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: 153 - 19,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit