🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 11.1

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.52 AU - 0.86 AU

Year: 376 Days

Day: 14 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,497,237 km

• M1: 138,079 km (0.096 R)
• M2: 515,813 km (0.05 R)
• M3: 867,967 km (0.07 R)
• M4: 1,221,915 km (0.075 R)
• M5: 1,793,828 km (0.12 R)
• M6: 2,676,904 km (0.067 R)
• M7: 3,575,090 km (0.074 R)
• M8: 4,013,412 km (0.073 R)
• M9: 4,487,338 km (0.119 R)
• M10: 5,700,427 km (0.086 R)
• M11: 6,084,445 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.7

Radius: 11.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.7 AU - 0.88 AU

Year: 461 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,497,237 km

• M1: 141,819 km (0.097 R)
• M2: 506,688 km (0.068 R)
• M3: 1,040,453 km (0.1 R)
• M4: 1,421,329 km (0.083 R)
• M5: 1,802,954 km (0.093 R)
• M6: 2,191,310 km (0.083 R)
• M7: 2,790,299 km (0.077 R)
• M8: 3,422,500 km (0.065 R)
• M9: 3,851,696 km (0.109 R)
• M10: 4,359,432 km (0.062 R)
• M11: 6,101,798 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.8

Radius: 12.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.33 AU - 2.91 AU

Year: 2782 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,497,237 km

• M1: 155,283 km (0.077 R)
• M2: 760,107 km (0.092 R)
• M3: 1,316,162 km (0.085 R)
• M4: 2,125,636 km (0.057 R)
• M5: 2,635,914 km (0.053 R)
• M6: 3,309,554 km (0.084 R)
• M7: 3,962,249 km (0.089 R)
• M8: 4,471,032 km (0.11 R)
• M9: 6,265,308 km (0.108 R)
• M10: 6,712,905 km (0.118 R)
• M11: 7,584,462 km (0.084 R)
• M12: 9,621,237 km (0.109 R)
• M13: 10,508,203 km (0.067 R)
• M14: 11,801,028 km (0.028 R)
• M15: 12,200,754 km (0.108 R)
• M16: 12,692,332 km (0.116 R)
• M17: 14,023,903 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 13.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.81 AU - 3.87 AU

Year: 4936 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,497,237 km

• M1: 181,612 km (0.118 R)
• M2: 622,776 km (0.099 R)
• M3: 2,678,999 km (0.046 R)
• M4: 3,260,785 km (0.063 R)
• M5: 3,851,846 km (0.067 R)
• M6: 4,331,457 km (0.112 R)
• M7: 5,003,750 km (0.051 R)
• M8: 8,444,800 km (0.036 R)
• M9: 9,259,211 km (0.071 R)
• M10: 12,302,181 km (0.116 R)
• M11: 13,828,378 km (0.059 R)
• M12: 14,867,485 km (0.102 R)
• M13: 16,006,523 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110

Radius: 3

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.84 AU - 7.9 AU

Year: 13125 Days

Day: 15.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,497,237 km

• M1: 37,399 km (0.045 R)
• M2: 234,869 km (0.075 R)
• M3: 330,312 km (0.08 R)
• M4: 566,826 km (0.093 R)
• M5: 1,263,354 km (0.1 R)
• M6: 2,004,013 km (0.096 R)
• M7: 5,693,695 km (0.083 R)
• M8: 5,814,420 km (0.118 R)
• M9: 6,314,676 km (0.097 R)
• M10: 6,411,615 km (0.059 R)
• M11: 7,436,061 km (0.072 R)
• M12: 10,783,164 km (0.086 R)
• M13: 11,680,901 km (0.03 R)
• M14: 16,189,631 km (0.026 R)
• M15: 17,617,692 km (0.081 R)
• M16: 18,068,431 km (0.097 R)
• M17: 20,227,278 km (0.101 R)
• M18: 27,809,795 km (0.096 R)
• M19: 28,420,454 km (0.105 R)
• M20: 29,940,667 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.5

Radius: 7.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.7 AU - 10.92 AU

Year: 20156 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,497,237 km

• M1: 90,806 km (0.101 R)
• M2: 362,176 km (0.078 R)
• M3: 590,164 km (0.104 R)
• M4: 1,044,193 km (0.092 R)
• M5: 1,395,599 km (0.117 R)
• M6: 1,636,900 km (0.055 R)
• M7: 2,495,292 km (0.037 R)
• M8: 2,854,477 km (0.112 R)
• M9: 3,546,367 km (0.098 R)
• M10: 4,142,215 km (0.094 R)
• M11: 7,290,802 km (0.116 R)
• M12: 9,950,203 km (0.091 R)
• M13: 12,885,313 km (0.119 R)
• M14: 13,194,831 km (0.092 R)
• M15: 14,153,305 km (0.085 R)
• M16: 15,711,965 km (0.073 R)
• M17: 18,454,094 km (0.064 R)
• M18: 18,926,973 km (0.064 R)
• M19: 20,645,853 km (0.097 R)
• M20: 21,760,506 km (0.113 R)
• M21: 27,023,659 km (0.104 R)
• M22: 30,600,992 km (0.094 R)
• M23: 34,958,778 km (0.113 R)
• M24: 35,440,334 km (0.071 R)
• M25: 36,170,820 km (0.115 R)
• M26: 44,881,007 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 13,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit