🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 8.2

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 14.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,190,274 km

• M1: 102,026 km (0.074 R)
• M2: 372,349 km (0.085 R)
• M3: 637,885 km (0.07 R)
• M4: 1,032,525 km (0.089 R)
• M5: 1,429,108 km (0.112 R)
• M6: 2,033,933 km (0.104 R)
• M7: 2,479,435 km (0.11 R)
• M8: 2,845,800 km (0.08 R)
• M9: 3,766,426 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.2

Radius: 12.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.62 AU - 0.82 AU

Year: 422 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,190,274 km

• M1: 153,039 km (0.08 R)
• M2: 573,409 km (0.06 R)
• M3: 1,165,367 km (0.058 R)
• M4: 1,785,750 km (0.093 R)
• M5: 2,292,288 km (0.107 R)
• M6: 2,773,694 km (0.028 R)
• M7: 3,233,259 km (0.116 R)
• M8: 3,955,218 km (0.117 R)
• M9: 4,854,451 km (0.086 R)
• M10: 5,290,828 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.4

Radius: 12.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.59 AU - 0.93 AU

Year: 457 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,190,274 km

• M1: 177,573 km (0.076 R)
• M2: 722,857 km (0.108 R)
• M3: 1,390,213 km (0.098 R)
• M4: 1,910,066 km (0.087 R)
• M5: 2,411,368 km (0.085 R)
• M6: 2,950,968 km (0.083 R)
• M7: 3,660,959 km (0.081 R)
• M8: 4,087,911 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 10.4

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.55 AU - 2.17 AU

Year: 1751 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,190,274 km

• M1: 135,087 km (0.095 R)
• M2: 546,182 km (0.098 R)
• M3: 954,584 km (0.053 R)
• M4: 1,330,224 km (0.086 R)
• M5: 1,815,520 km (0.05 R)
• M6: 2,147,477 km (0.12 R)
• M7: 2,600,011 km (0.072 R)
• M8: 3,855,137 km (0.108 R)
• M9: 4,276,255 km (0.062 R)
• M10: 5,386,870 km (0.097 R)
• M11: 6,105,987 km (0.037 R)
• M12: 6,451,259 km (0.035 R)
• M13: 7,763,830 km (0.109 R)
• M14: 8,377,780 km (0.071 R)
• M15: 9,603,735 km (0.066 R)
• M16: 9,936,440 km (0.077 R)
• M17: 10,520,021 km (0.113 R)
• M18: 11,680,153 km (0.088 R)
• M19: 12,136,576 km (0.048 R)
• M20: 12,604,817 km (0.091 R)
• M21: 14,167,666 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 14.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.59 AU - 2.37 AU

Year: 1923 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,190,274 km

• M1: 177,423 km (0.104 R)
• M2: 1,135,448 km (0.118 R)
• M3: 1,792,033 km (0.118 R)
• M4: 2,326,696 km (0.108 R)
• M5: 2,793,591 km (0.078 R)
• M6: 4,217,164 km (0.114 R)
• M7: 4,814,508 km (0.098 R)
• M8: 6,872,825 km (0.097 R)
• M9: 7,475,406 km (0.111 R)
• M10: 8,661,567 km (0.117 R)
• M11: 12,095,885 km (0.107 R)
• M12: 12,571,008 km (0.061 R)
• M13: 13,265,591 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 10.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.53 AU - 3.09 AU

Year: 3251 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,190,274 km

• M1: 127,009 km (0.09 R)
• M2: 652,546 km (0.03 R)
• M3: 1,014,423 km (0.076 R)
• M4: 2,579,815 km (0.075 R)
• M5: 3,646,897 km (0.108 R)
• M6: 4,148,199 km (0.109 R)
• M7: 4,629,456 km (0.106 R)
• M8: 5,312,819 km (0.104 R)
• M9: 6,994,897 km (0.048 R)
• M10: 13,140,228 km (0.106 R)
• M11: 14,180,233 km (0.062 R)
• M12: 14,554,676 km (0.115 R)
• M13: 15,177,003 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 14.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.45 AU - 5.87 AU

Year: 8091 Days

Day: 6.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,190,274 km

• M1: 177,872 km (0.105 R)
• M2: 706,401 km (0.086 R)
• M3: 1,723,667 km (0.061 R)
• M4: 2,174,255 km (0.116 R)
• M5: 2,704,879 km (0.119 R)
• M6: 3,469,175 km (0.113 R)
• M7: 4,734,623 km (0.116 R)
• M8: 6,517,231 km (0.117 R)
• M9: 7,451,470 km (0.056 R)
• M10: 8,997,564 km (0.043 R)
• M11: 9,802,999 km (0.113 R)
• M12: 10,888,631 km (0.08 R)
• M13: 14,119,496 km (0.053 R)
• M14: 18,008,143 km (0.074 R)
• M15: 18,539,814 km (0.11 R)
• M16: 19,985,378 km (0.084 R)
• M17: 20,844,519 km (0.039 R)
• M18: 23,966,626 km (0.055 R)
• M19: 25,680,868 km (0.112 R)
• M20: 26,954,544 km (0.048 R)
• M21: 27,563,108 km (0.08 R)
• M22: 28,269,809 km (0.103 R)
• M23: 30,089,667 km (0.105 R)

Asteroid Belt

Center: 5.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.8

Radius: 7.7

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.59 AU - 7.61 AU

Year: 10399 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,190,274 km

• M1: 95,743 km (0.047 R)
• M2: 355,744 km (0.104 R)
• M3: 678,875 km (0.045 R)
• M4: 943,813 km (0.095 R)
• M5: 1,767,349 km (0.099 R)
• M6: 2,374,268 km (0.098 R)
• M7: 2,624,994 km (0.089 R)
• M8: 2,979,990 km (0.063 R)
• M9: 3,414,123 km (0.099 R)
• M10: 4,157,624 km (0.109 R)
• M11: 5,485,604 km (0.114 R)
• M12: 5,823,097 km (0.034 R)
• M13: 6,997,141 km (0.069 R)
• M14: 8,234,166 km (0.107 R)
• M15: 8,858,737 km (0.06 R)
• M16: 10,052,229 km (0.115 R)
• M17: 10,661,541 km (0.091 R)
• M18: 14,021,509 km (0.049 R)
• M19: 17,228,888 km (0.108 R)
• M20: 18,323,645 km (0.099 R)
• M21: 25,417,875 km (0.107 R)
• M22: 28,503,630 km (0.059 R)
• M23: 35,406,974 km (0.088 R)
• M24: 36,814,540 km (0.03 R)
• M25: 37,291,907 km (0.113 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 14,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit