🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 9.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.59 AU - 0.87 AU

Year: 423 Days

Day: 8.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,239,441 km

• M1: 119,529 km (0.085 R)
• M2: 548,426 km (0.105 R)
• M3: 860,786 km (0.057 R)
• M4: 1,199,326 km (0.109 R)
• M5: 1,557,314 km (0.097 R)
• M6: 1,882,240 km (0.097 R)
• M7: 2,207,915 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 12.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.93 AU

Year: 441 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,239,441 km

• M1: 159,172 km (0.096 R)
• M2: 574,755 km (0.107 R)
• M3: 1,022,501 km (0.072 R)
• M4: 1,458,579 km (0.092 R)
• M5: 1,858,454 km (0.04 R)
• M6: 2,422,738 km (0.1 R)
• M7: 4,147,152 km (0.092 R)
• M8: 4,804,336 km (0.075 R)
• M9: 5,465,558 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 11.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.72 AU - 0.82 AU

Year: 458 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,239,441 km

• M1: 146,756 km (0.089 R)
• M2: 777,460 km (0.083 R)
• M3: 1,291,628 km (0.077 R)
• M4: 1,694,495 km (0.103 R)
• M5: 2,316,224 km (0.089 R)
• M6: 2,711,761 km (0.054 R)
• M7: 3,186,883 km (0.083 R)
• M8: 3,871,892 km (0.05 R)
• M9: 4,362,573 km (0.101 R)
• M10: 4,818,099 km (0.077 R)
• M11: 5,536,019 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 9.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.54 AU - 4.92 AU

Year: 6977 Days

Day: 12.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,239,441 km

• M1: 118,332 km (0.119 R)
• M2: 445,802 km (0.086 R)
• M3: 912,697 km (0.113 R)
• M4: 1,655,151 km (0.078 R)
• M5: 2,588,791 km (0.097 R)
• M6: 3,171,774 km (0.103 R)
• M7: 4,037,647 km (0.035 R)
• M8: 4,501,998 km (0.082 R)
• M9: 5,593,464 km (0.108 R)
• M10: 6,141,591 km (0.065 R)
• M11: 7,178,304 km (0.088 R)
• M12: 7,651,781 km (0.039 R)
• M13: 8,182,106 km (0.084 R)
• M14: 8,927,253 km (0.085 R)
• M15: 11,120,507 km (0.106 R)
• M16: 11,801,327 km (0.027 R)
• M17: 12,898,927 km (0.099 R)
• M18: 13,396,789 km (0.044 R)
• M19: 13,907,516 km (0.039 R)
• M20: 15,910,631 km (0.066 R)
• M21: 17,731,088 km (0.031 R)
• M22: 19,883,053 km (0.09 R)
• M23: 22,559,209 km (0.057 R)
• M24: 24,622,613 km (0.106 R)
• M25: 25,003,938 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 10.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5 AU - 6.08 AU

Year: 8844 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,239,441 km

• M1: 136,284 km (0.102 R)
• M2: 635,342 km (0.072 R)
• M3: 1,030,281 km (0.091 R)
• M4: 1,541,756 km (0.116 R)
• M5: 2,454,901 km (0.119 R)
• M6: 4,604,323 km (0.089 R)
• M7: 7,000,432 km (0.07 R)
• M8: 7,943,946 km (0.103 R)
• M9: 8,970,038 km (0.075 R)
• M10: 14,320,107 km (0.104 R)
• M11: 16,927,149 km (0.094 R)
• M12: 17,591,513 km (0.048 R)
• M13: 24,210,171 km (0.1 R)
• M14: 32,625,052 km (0.03 R)
• M15: 37,204,242 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.3

Radius: 5.3

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.55 AU - 10.27 AU

Year: 19578 Days

Day: 20.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,239,441 km

• M1: 65,973 km (0.093 R)
• M2: 279,299 km (0.077 R)
• M3: 464,202 km (0.1 R)
• M4: 851,661 km (0.065 R)
• M5: 1,330,224 km (0.113 R)
• M6: 1,572,274 km (0.061 R)
• M7: 2,086,442 km (0.113 R)
• M8: 2,872,578 km (0.115 R)
• M9: 4,729,537 km (0.117 R)
• M10: 7,541,229 km (0.055 R)
• M11: 8,412,337 km (0.11 R)
• M12: 9,675,392 km (0.08 R)
• M13: 10,180,135 km (0.116 R)
• M14: 10,643,290 km (0.086 R)
• M15: 15,539,030 km (0.11 R)
• M16: 15,920,804 km (0.101 R)
• M17: 18,770,045 km (0.071 R)
• M18: 22,518,967 km (0.103 R)
• M19: 25,770,328 km (0.074 R)
• M20: 28,518,291 km (0.073 R)
• M21: 29,321,332 km (0.117 R)
• M22: 30,852,466 km (0.092 R)
• M23: 34,847,178 km (0.081 R)
• M24: 35,500,921 km (0.068 R)
• M25: 35,897,056 km (0.096 R)
• M26: 38,613,903 km (0.118 R)
• M27: 39,313,872 km (0.067 R)
• M28: 51,020,354 km (0.076 R)
• M29: 51,188,203 km (0.068 R)
• M30: 57,295,835 km (0.08 R)
• M31: 62,326,362 km (0.113 R)
• M32: 64,066,485 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit