🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 13

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.57 AU - 0.59 AU

Year: 300 Days

Day: 8.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,161,489 km

• M1: 161,715 km (0.098 R)
• M2: 582,684 km (0.077 R)
• M3: 1,197,531 km (0.098 R)
• M4: 1,729,651 km (0.097 R)
• M5: 2,223,473 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 11.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.46 AU - 1.88 AU

Year: 1464 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,161,489 km

• M1: 138,079 km (0.088 R)
• M2: 689,497 km (0.096 R)
• M3: 1,330,972 km (0.111 R)
• M4: 1,745,658 km (0.098 R)
• M5: 2,115,314 km (0.081 R)
• M6: 2,903,545 km (0.076 R)
• M7: 3,743,088 km (0.076 R)
• M8: 4,109,005 km (0.096 R)
• M9: 4,617,039 km (0.039 R)
• M10: 5,057,006 km (0.111 R)
• M11: 6,124,387 km (0.115 R)
• M12: 6,504,665 km (0.07 R)
• M13: 7,058,925 km (0.102 R)
• M14: 7,716,857 km (0.114 R)
• M15: 8,544,282 km (0.1 R)
• M16: 8,912,742 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.5

Radius: 12.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.55 AU - 2.19 AU

Year: 1734 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,161,489 km

• M1: 157,227 km (0.115 R)
• M2: 555,307 km (0.113 R)
• M3: 989,889 km (0.043 R)
• M4: 1,436,738 km (0.042 R)
• M5: 2,455,799 km (0.11 R)
• M6: 3,100,715 km (0.117 R)
• M7: 3,504,480 km (0.078 R)
• M8: 4,213,574 km (0.084 R)
• M9: 5,312,819 km (0.095 R)
• M10: 7,056,083 km (0.117 R)
• M11: 7,484,531 km (0.095 R)
• M12: 9,060,245 km (0.104 R)
• M13: 9,827,533 km (0.085 R)
• M14: 11,565,262 km (0.083 R)
• M15: 12,124,309 km (0.102 R)
• M16: 14,077,608 km (0.101 R)

Asteroid Belt

Center: 2.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.2

Radius: 11.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.87 AU - 2.93 AU

Year: 2522 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,161,489 km

• M1: 140,622 km (0.096 R)
• M2: 682,765 km (0.114 R)
• M3: 1,226,254 km (0.102 R)
• M4: 2,011,792 km (0.077 R)
• M5: 2,420,643 km (0.114 R)
• M6: 3,531,407 km (0.084 R)
• M7: 3,956,415 km (0.113 R)
• M8: 5,807,838 km (0.114 R)
• M9: 7,959,355 km (0.118 R)
• M10: 8,826,125 km (0.096 R)
• M11: 11,405,940 km (0.066 R)
• M12: 13,105,671 km (0.069 R)
• M13: 15,158,752 km (0.039 R)
• M14: 15,740,688 km (0.082 R)
• M15: 16,438,412 km (0.104 R)
• M16: 18,110,468 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.2

Radius: 13.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.16 AU - 3.54 AU

Year: 3263 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,161,489 km

• M1: 173,085 km (0.064 R)
• M2: 676,781 km (0.095 R)
• M3: 1,115,103 km (0.049 R)
• M4: 1,565,691 km (0.119 R)
• M5: 2,324,452 km (0.049 R)
• M6: 3,080,370 km (0.098 R)
• M7: 3,671,730 km (0.109 R)
• M8: 4,784,290 km (0.075 R)
• M9: 5,628,021 km (0.1 R)
• M10: 6,135,607 km (0.105 R)
• M11: 6,621,052 km (0.102 R)
• M12: 7,554,393 km (0.074 R)
• M13: 8,325,869 km (0.077 R)
• M14: 9,084,032 km (0.112 R)
• M15: 9,784,748 km (0.097 R)
• M16: 10,884,891 km (0.104 R)
• M17: 11,522,327 km (0.101 R)
• M18: 11,987,277 km (0.108 R)
• M19: 12,831,009 km (0.113 R)
• M20: 15,414,415 km (0.112 R)
• M21: 15,931,874 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.5

Radius: 5.5

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.23 AU - 7.01 AU

Year: 10269 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,161,489 km

• M1: 68,665 km (0.092 R)
• M2: 475,123 km (0.073 R)
• M3: 669,899 km (0.062 R)
• M4: 1,803,851 km (0.082 R)
• M5: 2,647,134 km (0.114 R)
• M6: 5,203,164 km (0.115 R)
• M7: 6,070,682 km (0.106 R)
• M8: 8,266,928 km (0.116 R)
• M9: 12,181,156 km (0.086 R)
• M10: 15,819,227 km (0.049 R)
• M11: 16,098,825 km (0.108 R)
• M12: 18,843,497 km (0.119 R)
• M13: 21,541,345 km (0.096 R)
• M14: 24,115,476 km (0.116 R)
• M15: 27,086,190 km (0.096 R)
• M16: 29,231,723 km (0.093 R)
• M17: 35,263,509 km (0.101 R)
• M18: 45,645,751 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 19,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit