🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148

Radius: 14.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.45 AU - 0.67 AU

Year: 289 Days

Day: 10.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,170,087 km

• M1: 183,108 km (0.118 R)
• M2: 793,018 km (0.044 R)
• M3: 1,274,125 km (0.105 R)
• M4: 1,869,824 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 11.6

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.6 AU - 0.72 AU

Year: 370 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,170,087 km

• M1: 144,212 km (0.065 R)
• M2: 780,751 km (0.049 R)
• M3: 1,148,014 km (0.114 R)
• M4: 1,836,164 km (0.116 R)
• M5: 2,803,913 km (0.104 R)
• M6: 3,208,575 km (0.098 R)
• M7: 3,788,416 km (0.05 R)
• M8: 4,217,463 km (0.107 R)
• M9: 4,751,827 km (0.109 R)
• M10: 5,236,374 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 11.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.07 AU - 1.37 AU

Year: 930 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,170,087 km

• M1: 140,472 km (0.096 R)
• M2: 572,062 km (0.076 R)
• M3: 948,899 km (0.097 R)
• M4: 1,527,394 km (0.109 R)
• M5: 1,962,874 km (0.073 R)
• M6: 2,564,108 km (0.058 R)
• M7: 2,925,835 km (0.119 R)
• M8: 3,540,084 km (0.119 R)
• M9: 4,150,144 km (0.081 R)
• M10: 5,144,521 km (0.083 R)
• M11: 5,817,263 km (0.088 R)
• M12: 7,102,907 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 10.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.24 AU - 1.44 AU

Year: 1071 Days

Day: 6 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,170,087 km

• M1: 134,339 km (0.034 R)
• M2: 552,166 km (0.051 R)
• M3: 911,949 km (0.118 R)
• M4: 1,269,188 km (0.042 R)
• M5: 1,624,932 km (0.104 R)
• M6: 2,048,144 km (0.071 R)
• M7: 2,521,023 km (0.103 R)
• M8: 3,491,614 km (0.065 R)
• M9: 4,087,313 km (0.116 R)
• M10: 4,550,917 km (0.11 R)
• M11: 5,563,694 km (0.105 R)
• M12: 6,288,646 km (0.057 R)
• M13: 6,627,934 km (0.045 R)
• M14: 8,323,027 km (0.105 R)
• M15: 9,982,965 km (0.098 R)
• M16: 10,730,655 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534

Radius: 11.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.76 AU - 2.92 AU

Year: 2471 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,170,087 km

• M1: 143,016 km (0.072 R)
• M2: 563,236 km (0.102 R)
• M3: 1,022,651 km (0.082 R)
• M4: 1,561,054 km (0.09 R)
• M5: 2,482,427 km (0.11 R)
• M6: 3,663,203 km (0.098 R)
• M7: 4,595,796 km (0.092 R)
• M8: 5,118,342 km (0.117 R)
• M9: 5,753,235 km (0.051 R)
• M10: 6,899,903 km (0.12 R)
• M11: 7,266,417 km (0.051 R)
• M12: 8,799,048 km (0.094 R)
• M13: 10,029,041 km (0.064 R)
• M14: 12,869,905 km (0.047 R)
• M15: 14,497,380 km (0.105 R)
• M16: 15,384,645 km (0.105 R)
• M17: 16,506,479 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 8.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.02 AU - 3.64 AU

Year: 4194 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,170,087 km

• M1: 109,506 km (0.1 R)
• M2: 976,126 km (0.069 R)
• M3: 1,901,239 km (0.115 R)
• M4: 3,014,696 km (0.072 R)
• M5: 5,763,707 km (0.071 R)
• M6: 6,656,058 km (0.101 R)
• M7: 7,637,719 km (0.11 R)
• M8: 8,188,838 km (0.107 R)
• M9: 8,553,408 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 11.8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.45 AU - 4.95 AU

Year: 5941 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,170,087 km

• M1: 147,803 km (0.111 R)
• M2: 718,369 km (0.05 R)
• M3: 1,097,151 km (0.036 R)
• M4: 1,888,524 km (0.107 R)
• M5: 2,569,942 km (0.119 R)
• M6: 3,409,335 km (0.11 R)
• M7: 3,990,673 km (0.104 R)
• M8: 5,233,382 km (0.063 R)
• M9: 5,912,108 km (0.084 R)
• M10: 9,492,733 km (0.089 R)
• M11: 10,887,883 km (0.107 R)
• M12: 11,382,004 km (0.099 R)
• M13: 13,397,836 km (0.028 R)
• M14: 14,847,439 km (0.066 R)
• M15: 16,143,854 km (0.045 R)
• M16: 18,193,495 km (0.114 R)
• M17: 18,890,172 km (0.117 R)
• M18: 22,247,747 km (0.066 R)
• M19: 24,695,317 km (0.112 R)
• M20: 25,549,521 km (0.11 R)
• M21: 26,247,096 km (0.095 R)
• M22: 28,046,459 km (0.059 R)
• M23: 29,734,970 km (0.119 R)
• M24: 30,604,284 km (0.05 R)
• M25: 32,698,355 km (0.093 R)
• M26: 34,567,879 km (0.11 R)
• M27: 35,206,662 km (0.05 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 16,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit