🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.9

Radius: 10.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.72 AU - 1.1 AU

Year: 569 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,973,815 km

• M1: 134,788 km (0.114 R)
• M2: 626,217 km (0.112 R)
• M3: 1,038,957 km (0.083 R)
• M4: 1,422,975 km (0.099 R)
• M5: 1,972,747 km (0.052 R)
• M6: 2,480,632 km (0.06 R)
• M7: 2,875,869 km (0.057 R)
• M8: 3,323,317 km (0.107 R)
• M9: 3,988,279 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 12.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.9 AU - 1.18 AU

Year: 696 Days

Day: 8.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,973,815 km

• M1: 155,582 km (0.06 R)
• M2: 649,704 km (0.082 R)
• M3: 1,084,136 km (0.113 R)
• M4: 1,906,924 km (0.084 R)
• M5: 2,396,408 km (0.051 R)
• M6: 3,184,340 km (0.117 R)
• M7: 3,619,520 km (0.104 R)
• M8: 4,036,450 km (0.063 R)
• M9: 4,626,763 km (0.094 R)
• M10: 5,326,283 km (0.109 R)
• M11: 6,152,960 km (0.096 R)
• M12: 6,729,810 km (0.11 R)
• M13: 7,320,721 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 8.8

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.24 AU - 1.82 AU

Year: 1241 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,973,815 km

• M1: 110,403 km (0.083 R)
• M2: 415,583 km (0.093 R)
• M3: 814,112 km (0.104 R)
• M4: 1,410,110 km (0.108 R)
• M5: 1,861,147 km (0.096 R)
• M6: 2,236,937 km (0.106 R)
• M7: 3,112,683 km (0.11 R)
• M8: 3,881,616 km (0.1 R)
• M9: 5,414,994 km (0.11 R)
• M10: 5,791,831 km (0.079 R)
• M11: 6,305,251 km (0.058 R)
• M12: 7,860,620 km (0.11 R)
• M13: 8,171,484 km (0.11 R)
• M14: 8,461,106 km (0.09 R)
• M15: 8,999,658 km (0.09 R)
• M16: 9,434,240 km (0.083 R)
• M17: 10,480,378 km (0.057 R)
• M18: 10,891,922 km (0.032 R)
• M19: 11,243,178 km (0.068 R)
• M20: 12,342,423 km (0.062 R)
• M21: 13,035,360 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.03 AU - 2.85 AU

Year: 2500 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,973,815 km

• M1: 186,997 km (0.105 R)
• M2: 813,812 km (0.118 R)
• M3: 1,600,099 km (0.112 R)
• M4: 2,624,246 km (0.115 R)
• M5: 3,473,663 km (0.041 R)
• M6: 4,231,376 km (0.088 R)
• M7: 5,236,823 km (0.112 R)
• M8: 5,949,358 km (0.08 R)
• M9: 7,066,555 km (0.093 R)
• M10: 7,599,422 km (0.081 R)
• M11: 8,384,213 km (0.029 R)
• M12: 9,573,067 km (0.112 R)
• M13: 12,496,658 km (0.109 R)
• M14: 13,367,467 km (0.093 R)
• M15: 15,573,288 km (0.042 R)
• M16: 16,173,325 km (0.112 R)
• M17: 16,945,250 km (0.057 R)
• M18: 17,687,555 km (0.109 R)
• M19: 18,176,291 km (0.054 R)
• M20: 18,674,003 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 11.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.77 AU - 3.77 AU

Year: 3879 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,973,815 km

• M1: 146,905 km (0.119 R)
• M2: 651,648 km (0.119 R)
• M3: 1,047,634 km (0.085 R)
• M4: 1,508,395 km (0.088 R)
• M5: 2,551,541 km (0.076 R)
• M6: 3,029,207 km (0.107 R)
• M7: 4,992,380 km (0.098 R)
• M8: 5,924,674 km (0.074 R)
• M9: 6,768,256 km (0.11 R)
• M10: 7,475,106 km (0.074 R)
• M11: 9,856,555 km (0.09 R)
• M12: 11,240,036 km (0.079 R)
• M13: 11,770,061 km (0.098 R)
• M14: 13,415,937 km (0.088 R)
• M15: 14,152,856 km (0.071 R)
• M16: 15,859,169 km (0.111 R)
• M17: 18,585,441 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 8.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.03 AU - 4.47 AU

Year: 4764 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,973,815 km

• M1: 110,702 km (0.111 R)
• M2: 926,908 km (0.104 R)
• M3: 2,572,335 km (0.117 R)
• M4: 4,030,466 km (0.099 R)
• M5: 4,636,487 km (0.095 R)
• M6: 6,315,723 km (0.116 R)
• M7: 7,883,957 km (0.077 R)
• M8: 13,148,456 km (0.101 R)
• M9: 17,001,200 km (0.109 R)
• M10: 17,806,335 km (0.104 R)
• M11: 23,179,292 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.3

Radius: 5.5

Gravity: 29.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.14 AU - 6.66 AU

Year: 9401 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 82.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,973,815 km

• M1: 68,965 km (0.051 R)
• M2: 257,907 km (0.045 R)
• M3: 578,345 km (0.047 R)
• M4: 945,608 km (0.031 R)
• M5: 1,362,687 km (0.04 R)
• M6: 1,765,853 km (0.102 R)
• M7: 2,319,964 km (0.118 R)
• M8: 2,515,189 km (0.045 R)
• M9: 3,334,686 km (0.119 R)
• M10: 3,872,490 km (0.077 R)
• M11: 4,377,832 km (0.034 R)
• M12: 4,925,959 km (0.118 R)
• M13: 5,349,620 km (0.11 R)
• M14: 6,381,696 km (0.101 R)
• M15: 8,785,733 km (0.102 R)
• M16: 10,901,945 km (0.104 R)
• M17: 12,252,365 km (0.084 R)
• M18: 12,846,568 km (0.06 R)
• M19: 15,899,112 km (0.115 R)
• M20: 16,605,812 km (0.104 R)
• M21: 17,039,646 km (0.114 R)
• M22: 18,773,186 km (0.12 R)
• M23: 21,803,142 km (0.111 R)
• M24: 22,763,261 km (0.116 R)
• M25: 23,751,056 km (0.108 R)
• M26: 24,767,274 km (0.117 R)
• M27: 28,706,934 km (0.114 R)
• M28: 28,914,276 km (0.025 R)
• M29: 29,226,936 km (0.057 R)
• M30: 30,393,201 km (0.114 R)
• M31: 32,032,943 km (0.056 R)
• M32: 32,931,278 km (0.11 R)
• M33: 33,961,709 km (0.053 R)
• M34: 36,449,521 km (0.1 R)
• M35: 36,936,761 km (0.066 R)
• M36: 37,551,758 km (0.112 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: 158 - 17,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit