🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.9

Radius: 13.7

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 8.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,063,595 km

• M1: 170,392 km (0.098 R)
• M2: 622,626 km (0.071 R)
• M3: 1,101,489 km (0.055 R)
• M4: 1,619,397 km (0.102 R)
• M5: 2,356,166 km (0.03 R)
• M6: 3,050,600 km (0.109 R)
• M7: 3,844,665 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.4

Radius: 12.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.54 AU - 0.84 AU

Year: 389 Days

Day: 5.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,063,595 km

• M1: 158,275 km (0.096 R)
• M2: 593,305 km (0.109 R)
• M3: 1,060,799 km (0.111 R)
• M4: 2,016,579 km (0.116 R)
• M5: 2,606,294 km (0.105 R)
• M6: 3,045,813 km (0.112 R)
• M7: 3,695,217 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 11.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.79 AU - 0.95 AU

Year: 550 Days

Day: 13.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,063,595 km

• M1: 150,944 km (0.09 R)
• M2: 582,385 km (0.082 R)
• M3: 1,353,711 km (0.114 R)
• M4: 2,125,636 km (0.039 R)
• M5: 3,631,638 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 11.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.99 AU - 1.61 AU

Year: 1005 Days

Day: 11.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,063,595 km

• M1: 143,016 km (0.11 R)
• M2: 547,379 km (0.048 R)
• M3: 921,074 km (0.11 R)
• M4: 1,466,807 km (0.085 R)
• M5: 2,143,887 km (0.073 R)
• M6: 2,827,101 km (0.05 R)
• M7: 3,220,543 km (0.12 R)
• M8: 3,879,970 km (0.112 R)
• M9: 4,845,774 km (0.111 R)
• M10: 5,945,319 km (0.097 R)
• M11: 6,326,195 km (0.049 R)
• M12: 6,744,919 km (0.102 R)
• M13: 7,115,174 km (0.102 R)
• M14: 8,064,672 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.6

Radius: 8.3

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.07 AU - 1.59 AU

Year: 1040 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,063,595 km

• M1: 103,671 km (0.086 R)
• M2: 396,434 km (0.098 R)
• M3: 966,851 km (0.079 R)
• M4: 1,474,586 km (0.069 R)
• M5: 2,095,866 km (0.106 R)
• M6: 2,775,041 km (0.118 R)
• M7: 3,439,105 km (0.119 R)
• M8: 3,736,057 km (0.11 R)
• M9: 4,135,783 km (0.107 R)
• M10: 4,962,012 km (0.1 R)
• M11: 5,677,389 km (0.078 R)
• M12: 5,960,129 km (0.075 R)
• M13: 7,858,675 km (0.084 R)
• M14: 8,544,133 km (0.11 R)
• M15: 9,448,901 km (0.114 R)
• M16: 10,065,543 km (0.06 R)
• M17: 10,383,738 km (0.04 R)
• M18: 11,040,472 km (0.087 R)
• M19: 11,413,420 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 9.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.89 AU - 5.05 AU

Year: 6410 Days

Day: 11.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,063,595 km

• M1: 119,529 km (0.089 R)
• M2: 502,948 km (0.099 R)
• M3: 1,361,640 km (0.112 R)
• M4: 1,658,292 km (0.062 R)
• M5: 2,218,536 km (0.113 R)
• M6: 3,510,015 km (0.093 R)
• M7: 4,152,089 km (0.112 R)
• M8: 5,040,850 km (0.118 R)
• M9: 6,116,758 km (0.108 R)
• M10: 6,622,099 km (0.038 R)
• M11: 8,800,394 km (0.067 R)
• M12: 9,313,664 km (0.049 R)
• M13: 13,259,757 km (0.11 R)
• M14: 13,877,596 km (0.087 R)
• M15: 14,750,649 km (0.115 R)
• M16: 16,670,588 km (0.111 R)
• M17: 20,849,754 km (0.072 R)
• M18: 21,455,027 km (0.119 R)
• M19: 21,762,002 km (0.058 R)
• M20: 28,443,941 km (0.057 R)
• M21: 29,376,833 km (0.113 R)
• M22: 34,874,854 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.7

Radius: 3.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.96 AU - 6.62 AU

Year: 10700 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,063,595 km

• M1: 40,990 km (0.11 R)
• M2: 296,204 km (0.085 R)
• M3: 456,274 km (0.037 R)
• M4: 2,483,474 km (0.071 R)
• M5: 2,951,416 km (0.087 R)
• M6: 4,943,312 km (0.116 R)
• M7: 5,705,513 km (0.108 R)
• M8: 7,947,088 km (0.104 R)
• M9: 10,431,759 km (0.042 R)
• M10: 12,739,605 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.4

Radius: 3.8

Gravity: 32.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.24 AU - 8.22 AU

Year: 11842 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,063,595 km

• M1: 47,423 km (0.1 R)
• M2: 205,996 km (0.113 R)
• M3: 446,400 km (0.108 R)
• M4: 1,617,003 km (0.07 R)
• M5: 2,857,768 km (0.072 R)
• M6: 3,033,845 km (0.097 R)
• M7: 4,623,621 km (0.085 R)
• M8: 4,835,751 km (0.11 R)
• M9: 7,784,624 km (0.027 R)
• M10: 11,198,448 km (0.113 R)
• M11: 11,470,866 km (0.116 R)
• M12: 13,018,755 km (0.107 R)
• M13: 16,946,148 km (0.026 R)
• M14: 23,939,549 km (0.076 R)
• M15: 25,405,608 km (0.112 R)
• M16: 27,027,847 km (0.077 R)
• M17: 39,473,343 km (0.119 R)
• M18: 42,166,404 km (0.089 R)
• M19: 42,429,098 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 13,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit