🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 12.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.7 AU - 1 AU

Year: 506 Days

Day: 5.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,291,640 km

• M1: 150,495 km (0.098 R)
• M2: 553,961 km (0.101 R)
• M3: 1,036,264 km (0.077 R)
• M4: 1,421,479 km (0.05 R)
• M5: 1,880,595 km (0.104 R)
• M6: 2,343,002 km (0.068 R)
• M7: 2,805,708 km (0.063 R)
• M8: 4,529,225 km (0.057 R)
• M9: 5,089,619 km (0.11 R)
• M10: 5,488,596 km (0.118 R)
• M11: 6,256,033 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 8.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.14 AU - 1.24 AU

Year: 838 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,291,640 km

• M1: 114,592 km (0.075 R)
• M2: 800,349 km (0.073 R)
• M3: 1,132,905 km (0.071 R)
• M4: 1,551,330 km (0.107 R)
• M5: 2,036,625 km (0.108 R)
• M6: 3,407,241 km (0.112 R)
• M7: 4,343,425 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.7

Radius: 9.4

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.35 AU - 1.39 AU

Year: 1035 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,291,640 km

• M1: 116,836 km (0.097 R)
• M2: 451,187 km (0.087 R)
• M3: 767,587 km (0.048 R)
• M4: 1,068,578 km (0.079 R)
• M5: 1,374,655 km (0.101 R)
• M6: 1,679,087 km (0.064 R)
• M7: 2,599,562 km (0.115 R)
• M8: 2,942,141 km (0.076 R)
• M9: 3,571,051 km (0.093 R)
• M10: 4,270,271 km (0.06 R)
• M11: 5,877,850 km (0.038 R)
• M12: 6,604,297 km (0.083 R)
• M13: 6,897,359 km (0.081 R)
• M14: 8,183,901 km (0.111 R)
• M15: 8,897,633 km (0.097 R)
• M16: 9,396,093 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 10.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.31 AU - 1.89 AU

Year: 1307 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 38,291,640 km

• M1: 130,599 km (0.112 R)
• M2: 810,222 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.3

Radius: 14.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.75 AU - 3.25 AU

Year: 3355 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,291,640 km

• M1: 184,155 km (0.061 R)
• M2: 651,200 km (0.102 R)
• M3: 1,144,873 km (0.099 R)
• M4: 3,471,419 km (0.118 R)
• M5: 4,242,147 km (0.106 R)
• M6: 5,388,067 km (0.098 R)
• M7: 6,369,578 km (0.117 R)
• M8: 6,932,365 km (0.045 R)
• M9: 7,807,662 km (0.099 R)
• M10: 9,524,747 km (0.066 R)
• M11: 10,607,237 km (0.094 R)
• M12: 13,741,312 km (0.048 R)
• M13: 14,878,406 km (0.106 R)
• M14: 17,124,917 km (0.073 R)
• M15: 17,665,564 km (0.063 R)
• M16: 18,217,580 km (0.109 R)
• M17: 19,009,701 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.6

Radius: 3.6

Gravity: 51.05 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.64 AU - 8.26 AU

Year: 11830 Days

Day: 24.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,291,640 km

• M1: 45,328 km (0.099 R)
• M2: 328,517 km (0.094 R)
• M3: 507,735 km (0.078 R)
• M4: 632,051 km (0.06 R)
• M5: 1,041,351 km (0.069 R)
• M6: 1,517,820 km (0.086 R)
• M7: 1,845,888 km (0.117 R)
• M8: 2,107,684 km (0.1 R)
• M9: 2,257,282 km (0.119 R)
• M10: 2,454,153 km (0.089 R)
• M11: 2,705,328 km (0.084 R)
• M12: 3,641,212 km (0.109 R)
• M13: 3,802,329 km (0.074 R)
• M14: 5,334,660 km (0.069 R)
• M15: 6,198,737 km (0.12 R)
• M16: 6,663,987 km (0.081 R)
• M17: 7,027,958 km (0.102 R)
• M18: 8,108,205 km (0.096 R)
• M19: 8,429,541 km (0.102 R)
• M20: 8,664,110 km (0.041 R)
• M21: 9,244,999 km (0.103 R)
• M22: 12,604,219 km (0.072 R)
• M23: 13,732,037 km (0.072 R)
• M24: 15,130,777 km (0.058 R)
• M25: 18,758,227 km (0.112 R)
• M26: 26,152,999 km (0.101 R)
• M27: 28,500,339 km (0.082 R)
• M28: 28,816,589 km (0.114 R)
• M29: 29,887,411 km (0.064 R)
• M30: 40,345,050 km (0.101 R)
• M31: 45,877,478 km (0.044 R)
• M32: 47,778,718 km (0.109 R)
• M33: 52,998,486 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.1

Radius: 6.6

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.5 AU - 10.04 AU

Year: 15356 Days

Day: 18.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,291,640 km

• M1: 82,129 km (0.082 R)
• M2: 301,290 km (0.047 R)
• M3: 851,062 km (0.12 R)
• M4: 1,187,657 km (0.044 R)
• M5: 1,544,448 km (0.088 R)
• M6: 3,077,827 km (0.112 R)
• M7: 4,858,340 km (0.085 R)
• M8: 5,150,655 km (0.052 R)
• M9: 5,835,215 km (0.051 R)
• M10: 6,720,684 km (0.119 R)
• M11: 8,171,335 km (0.113 R)
• M12: 8,501,497 km (0.034 R)
• M13: 9,276,863 km (0.118 R)
• M14: 9,865,531 km (0.073 R)
• M15: 10,287,397 km (0.099 R)
• M16: 10,623,842 km (0.07 R)
• M17: 11,625,699 km (0.041 R)
• M18: 12,202,698 km (0.057 R)
• M19: 14,763,814 km (0.072 R)
• M20: 15,945,188 km (0.094 R)
• M21: 18,992,497 km (0.105 R)
• M22: 19,426,181 km (0.072 R)
• M23: 19,718,795 km (0.085 R)
• M24: 20,238,198 km (0.111 R)
• M25: 23,630,480 km (0.116 R)
• M26: 27,018,572 km (0.068 R)
• M27: 30,127,366 km (0.062 R)
• M28: 33,676,575 km (0.11 R)
• M29: 36,597,922 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 12,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit