🌌 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: 364.6

Radius: 14.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.5 AU - 0.74 AU

Year: 331 Days

Day: 10.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,473,902 km

• M1: 183,108 km (0.103 R)
• M2: 748,737 km (0.113 R)
• M3: 1,281,904 km (0.12 R)
• M4: 1,744,461 km (0.089 R)
• M5: 2,229,457 km (0.073 R)
• M6: 2,700,092 km (0.104 R)
• M7: 3,450,026 km (0.111 R)
• M8: 3,914,527 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 9

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.89 AU - 0.91 AU

Year: 579 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,473,902 km

• M1: 111,899 km (0.112 R)
• M2: 425,756 km (0.112 R)
• M3: 761,154 km (0.066 R)
• M4: 1,201,420 km (0.065 R)
• M5: 1,532,481 km (0.092 R)
• M6: 2,970,565 km (0.054 R)
• M7: 3,440,003 km (0.099 R)
• M8: 3,789,015 km (0.109 R)
• M9: 4,236,163 km (0.074 R)
• M10: 4,766,787 km (0.055 R)
• M11: 5,608,574 km (0.114 R)
• M12: 6,268,300 km (0.118 R)
• M13: 6,647,531 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 14.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.2 AU - 1.4 AU

Year: 1005 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,473,902 km

• M1: 179,218 km (0.108 R)
• M2: 623,973 km (0.065 R)
• M3: 1,200,673 km (0.087 R)
• M4: 1,803,402 km (0.093 R)
• M5: 2,259,227 km (0.114 R)
• M6: 2,737,043 km (0.107 R)
• M7: 3,732,766 km (0.028 R)
• M8: 4,407,752 km (0.079 R)
• M9: 5,128,664 km (0.03 R)
• M10: 7,061,767 km (0.042 R)
• M11: 7,864,659 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 8.2

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.56 AU - 2 AU

Year: 1611 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,473,902 km

• M1: 102,026 km (0.095 R)
• M2: 407,505 km (0.094 R)
• M3: 867,368 km (0.058 R)
• M4: 1,697,487 km (0.063 R)
• M5: 2,231,851 km (0.033 R)
• M6: 2,518,480 km (0.052 R)
• M7: 3,134,674 km (0.101 R)
• M8: 4,013,561 km (0.117 R)
• M9: 4,320,835 km (0.106 R)
• M10: 5,026,040 km (0.045 R)
• M11: 6,403,088 km (0.057 R)
• M12: 6,850,535 km (0.093 R)
• M13: 8,288,171 km (0.08 R)
• M14: 8,948,197 km (0.076 R)
• M15: 9,274,619 km (0.079 R)
• M16: 11,364,950 km (0.096 R)
• M17: 13,198,721 km (0.102 R)
• M18: 14,098,253 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.6

Radius: 10.4

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.82 AU - 3.4 AU

Year: 3720 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,473,902 km

• M1: 129,701 km (0.081 R)
• M2: 891,903 km (0.106 R)
• M3: 1,457,981 km (0.07 R)
• M4: 1,849,628 km (0.026 R)
• M5: 2,562,462 km (0.086 R)
• M6: 3,214,858 km (0.029 R)
• M7: 3,865,310 km (0.041 R)
• M8: 4,385,462 km (0.082 R)
• M9: 4,749,284 km (0.09 R)
• M10: 5,428,308 km (0.12 R)
• M11: 6,170,613 km (0.03 R)
• M12: 6,882,549 km (0.092 R)
• M13: 7,857,030 km (0.066 R)
• M14: 8,618,483 km (0.076 R)
• M15: 9,507,842 km (0.103 R)
• M16: 11,333,535 km (0.078 R)
• M17: 13,331,713 km (0.1 R)
• M18: 20,185,241 km (0.111 R)
• M19: 21,265,337 km (0.053 R)
• M20: 24,737,354 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 12.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.43 AU - 5.37 AU

Year: 6260 Days

Day: 11.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 167.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,473,902 km

• M1: 157,676 km (0.103 R)
• M2: 591,211 km (0.045 R)
• M3: 996,621 km (0.098 R)
• M4: 2,367,087 km (0.104 R)
• M5: 3,223,086 km (0.101 R)
• M6: 3,700,752 km (0.051 R)
• M7: 4,882,127 km (0.1 R)
• M8: 5,636,100 km (0.091 R)
• M9: 6,433,008 km (0.047 R)
• M10: 7,016,739 km (0.067 R)
• M11: 7,523,726 km (0.083 R)
• M12: 10,025,152 km (0.064 R)
• M13: 10,575,821 km (0.086 R)
• M14: 11,050,047 km (0.118 R)
• M15: 12,822,931 km (0.055 R)
• M16: 13,253,474 km (0.068 R)
• M17: 14,429,911 km (0.115 R)
• M18: 15,919,607 km (0.073 R)
• M19: 18,787,099 km (0.078 R)
• M20: 19,554,536 km (0.081 R)
• M21: 20,342,767 km (0.051 R)
• M22: 22,136,147 km (0.085 R)
• M23: 23,071,283 km (0.054 R)
• M24: 24,277,042 km (0.074 R)
• M25: 25,864,125 km (0.113 R)
• M26: 27,787,056 km (0.077 R)
• M27: 28,600,570 km (0.084 R)
• M28: 29,991,680 km (0.113 R)
• M29: 31,915,808 km (0.087 R)
• M30: 33,818,992 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.1

Radius: 5.8

Gravity: 22.39 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.56 AU - 10.3 AU

Year: 18100 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,473,902 km

• M1: 72,555 km (0.026 R)
• M2: 277,953 km (0.031 R)
• M3: 843,134 km (0.116 R)
• M4: 1,191,697 km (0.057 R)
• M5: 3,641,511 km (0.046 R)
• M6: 4,734,773 km (0.1 R)
• M7: 6,760,926 km (0.1 R)
• M8: 16,569,610 km (0.105 R)
• M9: 17,650,604 km (0.045 R)
• M10: 18,251,838 km (0.074 R)
• M11: 18,955,397 km (0.069 R)
• M12: 20,323,320 km (0.026 R)
• M13: 21,755,570 km (0.063 R)
• M14: 22,446,562 km (0.041 R)
• M15: 22,847,933 km (0.03 R)
• M16: 30,179,575 km (0.095 R)
• M17: 34,107,417 km (0.119 R)
• M18: 36,399,705 km (0.107 R)
• M19: 37,795,004 km (0.039 R)
• M20: 39,807,694 km (0.076 R)
• M21: 40,989,368 km (0.117 R)
• M22: 60,456,539 km (0.109 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: 297 - 16,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit