🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 14

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.56 AU - 0.68 AU

Year: 326 Days

Day: 8.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 8,577,700 km

• M1: 174,132 km (0.107 R)
• M2: 630,106 km (0.098 R)
• M3: 1,183,768 km (0.08 R)
• M4: 2,003,863 km (0.12 R)
• M5: 2,680,943 km (0.076 R)
• M6: 3,307,609 km (0.089 R)
• M7: 3,750,867 km (0.112 R)
• M8: 4,298,994 km (0.066 R)
• M9: 4,744,796 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.9

Radius: 13.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.52 AU - 0.84 AU

Year: 374 Days

Day: 5.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,577,700 km

• M1: 167,849 km (0.102 R)
• M2: 630,405 km (0.064 R)
• M3: 1,094,159 km (0.089 R)
• M4: 1,593,217 km (0.1 R)
• M5: 2,053,231 km (0.034 R)
• M6: 2,557,525 km (0.055 R)
• M7: 3,504,629 km (0.041 R)
• M8: 3,929,637 km (0.116 R)
• M9: 4,362,723 km (0.103 R)
• M10: 4,842,034 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 14.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.27 AU

Year: 759 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,577,700 km

• M1: 180,415 km (0.114 R)
• M2: 640,279 km (0.098 R)
• M3: 1,270,684 km (0.087 R)
• M4: 1,744,461 km (0.114 R)
• M5: 2,445,327 km (0.111 R)
• M6: 2,918,654 km (0.038 R)
• M7: 3,428,783 km (0.095 R)
• M8: 3,984,539 km (0.073 R)
• M9: 4,867,316 km (0.065 R)
• M10: 5,537,515 km (0.065 R)
• M11: 6,480,879 km (0.046 R)
• M12: 6,940,144 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 9.4

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.33 AU - 1.81 AU

Year: 1312 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 8,577,700 km

• M1: 128,953 km (0.079 R)
• M2: 819,497 km (0.118 R)
• M3: 1,156,392 km (0.087 R)
• M4: 1,515,277 km (0.039 R)
• M5: 2,641,001 km (0.065 R)
• M6: 3,441,948 km (0.041 R)
• M7: 3,882,214 km (0.043 R)
• M8: 4,603,276 km (0.094 R)
• M9: 5,453,890 km (0.027 R)
• M10: 5,894,156 km (0.041 R)
• M11: 6,771,248 km (0.037 R)
• M12: 7,124,898 km (0.112 R)
• M13: 7,705,637 km (0.103 R)
• M14: 8,091,450 km (0.041 R)
• M15: 8,432,383 km (0.103 R)
• M16: 10,086,936 km (0.092 R)
• M17: 11,515,595 km (0.112 R)
• M18: 12,352,895 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.9

Radius: 13.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.41 AU - 1.85 AU

Year: 1388 Days

Day: 14.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 8,577,700 km

• M1: 167,849 km (0.029 R)
• M2: 681,568 km (0.113 R)
• M3: 1,251,985 km (0.072 R)
• M4: 2,104,842 km (0.113 R)
• M5: 2,622,899 km (0.115 R)
• M6: 3,136,619 km (0.106 R)
• M7: 3,684,147 km (0.096 R)
• M8: 4,221,951 km (0.083 R)
• M9: 4,693,633 km (0.092 R)
• M10: 5,413,498 km (0.091 R)
• M11: 7,074,334 km (0.112 R)
• M12: 8,250,472 km (0.076 R)
• M13: 8,961,511 km (0.065 R)
• M14: 9,940,031 km (0.1 R)
• M15: 10,780,172 km (0.088 R)
• M16: 11,776,644 km (0.061 R)
• M17: 13,707,802 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 11.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.48 AU - 2.2 AU

Year: 1664 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 8,577,700 km

• M1: 147,952 km (0.072 R)
• M2: 590,612 km (0.074 R)
• M3: 1,052,271 km (0.101 R)
• M4: 1,851,872 km (0.09 R)
• M5: 2,536,881 km (0.056 R)
• M6: 2,961,739 km (0.089 R)
• M7: 3,401,108 km (0.096 R)
• M8: 3,776,748 km (0.05 R)
• M9: 4,180,363 km (0.033 R)
• M10: 6,546,852 km (0.109 R)
• M11: 7,050,398 km (0.11 R)
• M12: 7,494,405 km (0.075 R)
• M13: 8,500,301 km (0.107 R)
• M14: 9,361,536 km (0.12 R)
• M15: 9,967,407 km (0.05 R)
• M16: 11,826,759 km (0.065 R)
• M17: 12,256,404 km (0.072 R)
• M18: 12,696,371 km (0.114 R)
• M19: 13,355,350 km (0.045 R)
• M20: 15,057,026 km (0.107 R)
• M21: 15,515,693 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 12.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.7 AU - 2.34 AU

Year: 1915 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 8,577,700 km

• M1: 154,235 km (0.083 R)
• M2: 697,425 km (0.048 R)
• M3: 1,366,128 km (0.094 R)
• M4: 1,910,814 km (0.114 R)
• M5: 2,521,323 km (0.093 R)
• M6: 3,324,513 km (0.072 R)
• M7: 4,548,374 km (0.11 R)
• M8: 4,935,982 km (0.104 R)
• M9: 6,012,787 km (0.1 R)
• M10: 6,649,476 km (0.108 R)
• M11: 7,747,375 km (0.079 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 16,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit