🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 13.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.74 AU - 0.78 AU

Year: 457 Days

Day: 9.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,276,408 km

• M1: 169,195 km (0.064 R)
• M2: 807,230 km (0.082 R)
• M3: 1,291,329 km (0.042 R)
• M4: 1,789,939 km (0.043 R)
• M5: 2,577,422 km (0.106 R)
• M6: 3,156,515 km (0.066 R)
• M7: 3,771,213 km (0.111 R)
• M8: 5,242,508 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 13.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.3 AU - 1.36 AU

Year: 1059 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,276,408 km

• M1: 172,935 km (0.092 R)
• M2: 759,957 km (0.096 R)
• M3: 1,289,384 km (0.119 R)
• M4: 2,011,643 km (0.067 R)
• M5: 2,626,939 km (0.108 R)
• M6: 3,169,231 km (0.07 R)
• M7: 6,131,269 km (0.06 R)
• M8: 6,849,787 km (0.071 R)
• M9: 7,576,683 km (0.082 R)
• M10: 8,455,421 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 12.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.6 AU - 2.48 AU

Year: 2011 Days

Day: 12.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,276,408 km

• M1: 157,527 km (0.109 R)
• M2: 898,186 km (0.086 R)
• M3: 1,516,922 km (0.12 R)
• M4: 2,352,427 km (0.084 R)
• M5: 2,927,331 km (0.107 R)
• M6: 3,356,827 km (0.105 R)
• M7: 4,396,681 km (0.112 R)
• M8: 5,354,557 km (0.11 R)
• M9: 6,630,776 km (0.082 R)
• M10: 8,728,886 km (0.118 R)
• M11: 10,778,377 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 14.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.81 AU - 4.01 AU

Year: 4347 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,276,408 km

• M1: 207,642 km (0.11 R)
• M2: 691,142 km (0.057 R)
• M3: 1,187,358 km (0.105 R)
• M4: 1,788,443 km (0.104 R)
• M5: 2,285,407 km (0.059 R)
• M6: 2,859,115 km (0.094 R)
• M7: 3,682,651 km (0.097 R)
• M8: 4,172,434 km (0.086 R)
• M9: 4,775,613 km (0.072 R)
• M10: 5,830,128 km (0.103 R)
• M11: 6,413,111 km (0.05 R)
• M12: 8,126,904 km (0.083 R)
• M13: 9,108,715 km (0.109 R)
• M14: 11,866,253 km (0.09 R)
• M15: 14,086,584 km (0.062 R)
• M16: 14,935,552 km (0.115 R)
• M17: 19,948,876 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.8

Radius: 7.5

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.38 AU - 7.24 AU

Year: 10941 Days

Day: 24.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,276,408 km

• M1: 94,845 km (0.101 R)
• M2: 421,866 km (0.106 R)
• M3: 783,444 km (0.066 R)
• M4: 1,236,726 km (0.096 R)
• M5: 1,470,547 km (0.06 R)
• M6: 4,890,055 km (0.119 R)
• M7: 5,134,349 km (0.081 R)
• M8: 6,517,830 km (0.088 R)
• M9: 8,218,757 km (0.112 R)
• M10: 19,328,494 km (0.086 R)
• M11: 22,272,729 km (0.072 R)
• M12: 31,174,401 km (0.03 R)
• M13: 32,230,263 km (0.092 R)
• M14: 33,309,911 km (0.117 R)
• M15: 34,749,042 km (0.059 R)
• M16: 37,632,392 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 3.2

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.05 AU - 6.71 AU

Year: 11124 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,276,408 km

• M1: 39,793 km (0.057 R)
• M2: 143,165 km (0.088 R)
• M3: 439,967 km (0.067 R)
• M4: 755,320 km (0.026 R)
• M5: 934,837 km (0.062 R)
• M6: 1,713,494 km (0.059 R)
• M7: 2,099,457 km (0.109 R)
• M8: 2,288,548 km (0.118 R)
• M9: 2,454,602 km (0.036 R)
• M10: 3,021,129 km (0.109 R)
• M11: 3,262,281 km (0.079 R)
• M12: 3,692,225 km (0.078 R)
• M13: 3,874,585 km (0.095 R)
• M14: 4,876,891 km (0.07 R)
• M15: 7,448,328 km (0.078 R)
• M16: 7,962,496 km (0.072 R)
• M17: 8,697,620 km (0.11 R)
• M18: 9,603,884 km (0.111 R)
• M19: 14,749,452 km (0.102 R)
• M20: 16,701,705 km (0.095 R)
• M21: 18,159,985 km (0.11 R)
• M22: 18,356,257 km (0.042 R)
• M23: 24,602,118 km (0.112 R)
• M24: 26,990,747 km (0.112 R)
• M25: 28,197,403 km (0.047 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 11,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit