🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 13.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.17 AU - 1.49 AU

Year: 1040 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,930,701 km

• M1: 163,959 km (0.049 R)
• M2: 581,487 km (0.085 R)
• M3: 1,028,485 km (0.113 R)
• M4: 1,451,847 km (0.056 R)
• M5: 1,959,283 km (0.067 R)
• M6: 2,639,206 km (0.115 R)
• M7: 3,485,331 km (0.12 R)
• M8: 4,164,954 km (0.033 R)
• M9: 4,633,495 km (0.1 R)
• M10: 5,189,550 km (0.046 R)
• M11: 5,640,289 km (0.099 R)
• M12: 6,788,003 km (0.085 R)
• M13: 7,328,351 km (0.092 R)
• M14: 7,781,184 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 13.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.9 AU - 1.94 AU

Year: 1804 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,930,701 km

• M1: 162,912 km (0.104 R)
• M2: 731,234 km (0.053 R)
• M3: 1,146,518 km (0.087 R)
• M4: 1,716,336 km (0.067 R)
• M5: 2,206,120 km (0.108 R)
• M6: 2,906,088 km (0.051 R)
• M7: 4,022,088 km (0.055 R)
• M8: 4,505,589 km (0.088 R)
• M9: 5,451,496 km (0.091 R)
• M10: 5,947,862 km (0.05 R)
• M11: 6,682,836 km (0.094 R)
• M12: 7,168,880 km (0.108 R)
• M13: 7,912,830 km (0.072 R)
• M14: 8,770,923 km (0.054 R)
• M15: 9,487,796 km (0.1 R)
• M16: 10,278,870 km (0.118 R)
• M17: 10,708,814 km (0.101 R)
• M18: 11,263,074 km (0.065 R)
• M19: 12,958,916 km (0.119 R)
• M20: 13,376,593 km (0.115 R)
• M21: 13,976,480 km (0.094 R)
• M22: 14,728,958 km (0.09 R)
• M23: 15,601,712 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.7

Radius: 8.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.36 AU - 2.56 AU

Year: 2617 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,930,701 km

• M1: 105,616 km (0.114 R)
• M2: 460,163 km (0.065 R)
• M3: 907,909 km (0.091 R)
• M4: 1,407,866 km (0.074 R)
• M5: 1,799,214 km (0.107 R)
• M6: 2,081,056 km (0.053 R)
• M7: 2,490,505 km (0.081 R)
• M8: 3,646,448 km (0.114 R)
• M9: 4,049,315 km (0.099 R)
• M10: 4,651,297 km (0.05 R)
• M11: 5,697,435 km (0.043 R)
• M12: 6,217,437 km (0.12 R)
• M13: 7,043,816 km (0.081 R)
• M14: 7,509,813 km (0.07 R)
• M15: 8,942,662 km (0.08 R)
• M16: 9,243,802 km (0.118 R)
• M17: 10,683,083 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 13.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.48 AU - 2.72 AU

Year: 2843 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,930,701 km

• M1: 166,652 km (0.065 R)
• M2: 997,668 km (0.067 R)
• M3: 1,508,994 km (0.096 R)
• M4: 2,963,833 km (0.045 R)
• M5: 3,796,495 km (0.118 R)
• M6: 5,034,716 km (0.026 R)
• M7: 5,783,005 km (0.062 R)
• M8: 6,500,775 km (0.075 R)
• M9: 7,332,988 km (0.085 R)
• M10: 9,144,619 km (0.116 R)
• M11: 11,769,912 km (0.076 R)
• M12: 12,924,059 km (0.102 R)
• M13: 14,862,698 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 12.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.28 AU - 4.24 AU

Year: 4945 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,930,701 km

• M1: 158,424 km (0.116 R)
• M2: 629,508 km (0.045 R)
• M3: 1,019,061 km (0.054 R)
• M4: 1,509,891 km (0.099 R)
• M5: 2,202,679 km (0.037 R)
• M6: 2,717,745 km (0.076 R)
• M7: 3,273,052 km (0.119 R)
• M8: 4,920,424 km (0.026 R)
• M9: 7,721,943 km (0.047 R)
• M10: 9,198,623 km (0.031 R)
• M11: 10,945,777 km (0.052 R)
• M12: 11,357,171 km (0.049 R)
• M13: 13,312,715 km (0.117 R)
• M14: 14,753,492 km (0.097 R)
• M15: 15,143,643 km (0.074 R)
• M16: 16,295,995 km (0.082 R)
• M17: 16,773,063 km (0.119 R)
• M18: 18,580,953 km (0.068 R)
• M19: 19,565,457 km (0.047 R)
• M20: 21,142,218 km (0.106 R)
• M21: 26,955,442 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.6

Radius: 12.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.48 AU - 5.48 AU

Year: 7538 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,930,701 km

• M1: 156,330 km (0.109 R)
• M2: 582,085 km (0.109 R)
• M3: 1,156,392 km (0.092 R)
• M4: 2,098,409 km (0.055 R)
• M5: 2,784,016 km (0.072 R)
• M6: 3,342,615 km (0.12 R)
• M7: 4,307,521 km (0.112 R)
• M8: 5,058,203 km (0.081 R)
• M9: 5,480,817 km (0.114 R)
• M10: 6,092,373 km (0.106 R)
• M11: 7,002,377 km (0.113 R)
• M12: 7,528,812 km (0.055 R)
• M13: 9,402,525 km (0.1 R)
• M14: 10,185,521 km (0.085 R)
• M15: 11,517,989 km (0.081 R)
• M16: 12,146,150 km (0.064 R)
• M17: 12,577,591 km (0.107 R)
• M18: 13,131,252 km (0.105 R)
• M19: 13,528,435 km (0.057 R)
• M20: 16,341,772 km (0.093 R)
• M21: 17,541,996 km (0.115 R)
• M22: 21,652,197 km (0.062 R)
• M23: 22,691,005 km (0.104 R)
• M24: 23,678,949 km (0.097 R)
• M25: 26,724,762 km (0.07 R)
• M26: 33,267,275 km (0.111 R)
• M27: 36,403,295 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.1

Radius: 7.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.19 AU - 8.47 AU

Year: 13460 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,930,701 km

• M1: 113,844 km (0.098 R)
• M2: 1,245,552 km (0.052 R)
• M3: 2,556,029 km (0.106 R)
• M4: 3,396,470 km (0.099 R)
• M5: 4,464,748 km (0.109 R)
• M6: 8,469,184 km (0.062 R)
• M7: 9,542,998 km (0.115 R)
• M8: 10,064,346 km (0.104 R)
• M9: 14,753,192 km (0.026 R)
• M10: 32,565,512 km (0.1 R)
• M11: 39,109,820 km (0.062 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 19,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit