🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 10.7

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.65 AU - 0.81 AU

Year: 438 Days

Day: 8.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,500,294 km

• M1: 133,142 km (0.071 R)
• M2: 542,292 km (0.12 R)
• M3: 1,087,577 km (0.053 R)
• M4: 1,420,432 km (0.075 R)
• M5: 1,815,370 km (0.09 R)
• M6: 2,581,461 km (0.093 R)
• M7: 3,033,546 km (0.095 R)
• M8: 4,152,238 km (0.069 R)
• M9: 4,513,667 km (0.091 R)
• M10: 4,896,039 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 8.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1 AU - 1.1 AU

Year: 756 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,500,294 km

• M1: 103,223 km (0.074 R)
• M2: 512,074 km (0.089 R)
• M3: 779,854 km (0.05 R)
• M4: 1,044,642 km (0.092 R)
• M5: 1,467,555 km (0.089 R)
• M6: 1,880,445 km (0.045 R)
• M7: 2,639,654 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.1

Radius: 14.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.13 AU - 1.35 AU

Year: 971 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,500,294 km

• M1: 181,911 km (0.112 R)
• M2: 805,136 km (0.084 R)
• M3: 1,514,678 km (0.117 R)
• M4: 2,114,865 km (0.051 R)
• M5: 2,752,451 km (0.097 R)
• M6: 3,269,461 km (0.109 R)
• M7: 3,762,087 km (0.1 R)
• M8: 4,775,912 km (0.104 R)
• M9: 6,088,035 km (0.099 R)
• M10: 6,929,523 km (0.034 R)
• M11: 7,628,743 km (0.109 R)
• M12: 8,503,592 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 13.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.15 AU - 1.79 AU

Year: 1253 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,500,294 km

• M1: 165,455 km (0.117 R)
• M2: 619,036 km (0.115 R)
• M3: 1,040,004 km (0.077 R)
• M4: 1,472,193 km (0.039 R)
• M5: 2,580,563 km (0.093 R)
• M6: 3,233,558 km (0.101 R)
• M7: 3,927,094 km (0.107 R)
• M8: 4,473,724 km (0.109 R)
• M9: 5,131,506 km (0.071 R)
• M10: 5,808,736 km (0.112 R)
• M11: 6,308,542 km (0.112 R)
• M12: 7,188,327 km (0.086 R)
• M13: 8,148,446 km (0.05 R)
• M14: 10,553,531 km (0.081 R)
• M15: 11,369,737 km (0.114 R)
• M16: 11,829,152 km (0.039 R)
• M17: 12,264,183 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.3

Radius: 8.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.45 AU - 3.35 AU

Year: 3471 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,500,294 km

• M1: 104,419 km (0.072 R)
• M2: 598,092 km (0.035 R)
• M3: 1,149,660 km (0.116 R)
• M4: 1,956,441 km (0.075 R)
• M5: 2,225,867 km (0.101 R)
• M6: 2,535,534 km (0.117 R)
• M7: 3,010,508 km (0.11 R)
• M8: 4,031,663 km (0.036 R)
• M9: 4,403,713 km (0.112 R)
• M10: 4,727,143 km (0.055 R)
• M11: 7,391,631 km (0.11 R)
• M12: 8,466,192 km (0.117 R)
• M13: 9,263,250 km (0.101 R)
• M14: 9,526,991 km (0.072 R)
• M15: 10,797,675 km (0.087 R)
• M16: 12,312,802 km (0.07 R)
• M17: 14,312,028 km (0.108 R)
• M18: 15,973,761 km (0.089 R)
• M19: 17,876,198 km (0.1 R)
• M20: 22,802,007 km (0.094 R)

Asteroid Belt

Center: 3.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.1

Radius: 12.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.36 AU - 5.06 AU

Year: 7185 Days

Day: 9.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,500,294 km

• M1: 164,857 km (0.076 R)
• M2: 779,704 km (0.074 R)
• M3: 1,648,868 km (0.051 R)
• M4: 3,258,242 km (0.119 R)
• M5: 4,953,933 km (0.088 R)
• M6: 6,072,926 km (0.119 R)
• M7: 6,581,708 km (0.076 R)
• M8: 8,774,065 km (0.028 R)
• M9: 10,444,923 km (0.052 R)
• M10: 12,151,386 km (0.101 R)
• M11: 13,269,481 km (0.069 R)
• M12: 13,853,660 km (0.101 R)
• M13: 15,316,279 km (0.067 R)
• M14: 16,671,935 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.7

Radius: 4.3

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.68 AU - 11.02 AU

Year: 20097 Days

Day: 15.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,500,294 km

• M1: 233,821 km (0.117 R)
• M2: 590,762 km (0.102 R)
• M3: 1,028,336 km (0.074 R)
• M4: 1,186,760 km (0.115 R)
• M5: 1,686,118 km (0.071 R)
• M6: 1,891,216 km (0.058 R)
• M7: 2,775,340 km (0.11 R)
• M8: 11,322,614 km (0.108 R)
• M9: 11,543,869 km (0.091 R)
• M10: 11,938,209 km (0.097 R)
• M11: 18,060,951 km (0.104 R)
• M12: 21,488,837 km (0.056 R)
• M13: 23,939,698 km (0.059 R)
• M14: 28,359,867 km (0.083 R)
• M15: 39,273,929 km (0.041 R)
• M16: 43,860,600 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 19,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit