🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.47 AU - 0.71 AU

Year: 171 Days

Day: 22.4 Hours

Environment

Temp: 122 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.6 AU - 0.68 AU

Year: 193 Days

Day: 39 Hours

Environment

Temp: 116 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,018,202 km

• M1: 50,414 km (0.101 R)

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 11.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.32 AU - 6.62 AU

Year: 5495 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 99,018,202 km

• M1: 144,661 km (0.117 R)
• M2: 638,035 km (0.108 R)
• M3: 1,224,758 km (0.09 R)
• M4: 1,866,682 km (0.114 R)
• M5: 2,400,747 km (0.105 R)
• M6: 3,289,956 km (0.114 R)
• M7: 3,981,248 km (0.118 R)
• M8: 11,277,585 km (0.117 R)
• M9: 12,743,345 km (0.079 R)
• M10: 15,462,586 km (0.101 R)
• M11: 19,412,268 km (0.097 R)
• M12: 21,437,973 km (0.088 R)
• M13: 22,839,406 km (0.116 R)
• M14: 25,498,059 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 12.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.66 AU - 6.86 AU

Year: 5900 Days

Day: 5.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 99,018,202 km

• M1: 201,060 km (0.106 R)
• M2: 735,124 km (0.114 R)
• M3: 1,603,390 km (0.066 R)
• M4: 2,325,349 km (0.081 R)
• M5: 3,005,870 km (0.086 R)
• M6: 5,466,306 km (0.08 R)
• M7: 15,021,571 km (0.118 R)
• M8: 15,654,669 km (0.092 R)
• M9: 20,023,077 km (0.098 R)
• M10: 23,140,098 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115

Radius: 11.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.59 AU - 7.19 AU

Year: 6813 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 99,018,202 km

• M1: 148,850 km (0.116 R)
• M2: 595,400 km (0.097 R)
• M3: 1,165,667 km (0.115 R)
• M4: 1,565,991 km (0.053 R)
• M5: 2,323,105 km (0.098 R)
• M6: 2,700,840 km (0.033 R)
• M7: 4,172,733 km (0.115 R)
• M8: 4,646,211 km (0.113 R)
• M9: 5,831,026 km (0.106 R)
• M10: 6,793,838 km (0.105 R)
• M11: 7,359,168 km (0.101 R)
• M12: 8,150,840 km (0.115 R)
• M13: 8,584,375 km (0.074 R)
• M14: 9,068,623 km (0.116 R)
• M15: 14,188,311 km (0.081 R)
• M16: 14,621,696 km (0.094 R)
• M17: 16,549,564 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.4

Radius: 4.2

Gravity: 26.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 16.38 AU - 18.78 AU

Year: 27769 Days

Day: 23.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 99,018,202 km

• M1: 68,516 km (0.08 R)
• M2: 211,232 km (0.081 R)
• M3: 440,566 km (0.092 R)
• M4: 1,106,875 km (0.1 R)
• M5: 1,603,839 km (0.088 R)
• M6: 2,733,452 km (0.075 R)
• M7: 3,243,282 km (0.103 R)
• M8: 4,884,670 km (0.109 R)
• M9: 5,151,702 km (0.111 R)
• M10: 5,673,350 km (0.108 R)
• M11: 6,141,591 km (0.117 R)
• M12: 6,273,536 km (0.069 R)
• M13: 6,452,605 km (0.11 R)
• M14: 7,010,156 km (0.065 R)
• M15: 9,682,273 km (0.083 R)
• M16: 13,327,375 km (0.079 R)
• M17: 13,474,879 km (0.108 R)
• M18: 13,848,424 km (0.093 R)
• M19: 14,930,915 km (0.045 R)
• M20: 16,404,155 km (0.091 R)
• M21: 16,744,190 km (0.056 R)
• M22: 18,791,437 km (0.06 R)
• M23: 22,529,140 km (0.042 R)
• M24: 25,353,847 km (0.107 R)
• M25: 27,086,190 km (0.038 R)
• M26: 33,157,919 km (0.116 R)
• M27: 34,945,763 km (0.032 R)
• M28: 45,855,039 km (0.102 R)
• M29: 50,000,695 km (0.118 R)
• M30: 53,827,259 km (0.07 R)
• M31: 55,334,906 km (0.102 R)
• M32: 55,716,231 km (0.09 R)
• M33: 58,434,275 km (0.075 R)
• M34: 70,637,422 km (0.11 R)
• M35: 73,128,376 km (0.045 R)
• M36: 76,855,308 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.3

Radius: 6

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 14.6 AU - 21.86 AU

Year: 29323 Days

Day: 15.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 99,018,202 km

• M1: 74,649 km (0.062 R)
• M2: 312,660 km (0.052 R)
• M3: 511,026 km (0.076 R)
• M4: 866,172 km (0.026 R)
• M5: 1,186,760 km (0.062 R)
• M6: 3,196,757 km (0.108 R)
• M7: 3,630,292 km (0.109 R)
• M8: 4,353,298 km (0.092 R)
• M9: 6,893,919 km (0.077 R)
• M10: 10,087,235 km (0.117 R)
• M11: 11,223,431 km (0.065 R)
• M12: 12,002,686 km (0.119 R)
• M13: 13,276,961 km (0.106 R)
• M14: 14,888,578 km (0.102 R)
• M15: 16,357,480 km (0.081 R)
• M16: 16,989,381 km (0.085 R)
• M17: 18,301,953 km (0.096 R)
• M18: 18,983,072 km (0.113 R)
• M19: 24,697,561 km (0.092 R)
• M20: 25,528,727 km (0.07 R)
• M21: 26,012,078 km (0.093 R)
• M22: 26,378,593 km (0.099 R)
• M23: 27,498,632 km (0.07 R)
• M24: 28,910,237 km (0.106 R)
• M25: 29,171,884 km (0.094 R)
• M26: 29,435,176 km (0.099 R)
• M27: 33,004,282 km (0.074 R)
• M28: 33,867,013 km (0.106 R)
• M29: 37,005,128 km (0.107 R)
• M30: 39,041,903 km (0.11 R)
• M31: 47,028,484 km (0.082 R)
• M32: 47,390,661 km (0.105 R)
• M33: 53,440,099 km (0.109 R)
• M34: 54,230,724 km (0.077 R)
• M35: 65,004,912 km (0.097 R)
• M36: 65,905,641 km (0.11 R)
• M37: 89,265,199 km (0.084 R)
• M38: 90,098,758 km (0.037 R)
• M39: 98,721,729 km (0.075 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: 323 - 18,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit