🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 9.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 313 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,496,369 km

• M1: 119,230 km (0.054 R)
• M2: 437,574 km (0.063 R)
• M3: 813,364 km (0.102 R)
• M4: 1,348,326 km (0.049 R)
• M5: 3,101,014 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.6

Radius: 8.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.74 AU - 1.06 AU

Year: 589 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,496,369 km

• M1: 103,223 km (0.056 R)
• M2: 375,042 km (0.05 R)
• M3: 655,089 km (0.059 R)
• M4: 1,211,444 km (0.1 R)
• M5: 1,504,805 km (0.111 R)
• M6: 1,811,032 km (0.037 R)
• M7: 2,308,295 km (0.091 R)
• M8: 3,027,113 km (0.092 R)
• M9: 4,202,503 km (0.063 R)
• M10: 4,551,066 km (0.082 R)
• M11: 4,901,574 km (0.106 R)
• M12: 5,180,724 km (0.066 R)
• M13: 6,003,512 km (0.102 R)
• M14: 7,397,465 km (0.09 R)
• M15: 8,097,733 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 11.6

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.14 AU - 1.42 AU

Year: 1000 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,496,369 km

• M1: 144,212 km (0.093 R)
• M2: 595,549 km (0.074 R)
• M3: 986,000 km (0.096 R)
• M4: 1,680,134 km (0.09 R)
• M5: 3,057,332 km (0.104 R)
• M6: 3,443,444 km (0.082 R)
• M7: 4,084,171 km (0.103 R)
• M8: 4,659,974 km (0.09 R)
• M9: 6,230,003 km (0.092 R)
• M10: 6,855,173 km (0.108 R)
• M11: 8,257,503 km (0.118 R)
• M12: 9,124,124 km (0.1 R)
• M13: 9,871,963 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.48 AU - 1.76 AU

Year: 1423 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,496,369 km

• M1: 186,549 km (0.095 R)
• M2: 866,172 km (0.11 R)
• M3: 1,634,506 km (0.068 R)
• M4: 2,624,695 km (0.09 R)
• M5: 5,899,093 km (0.119 R)
• M6: 7,114,875 km (0.066 R)
• M7: 8,364,466 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.5

Radius: 13.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.02 AU - 2.7 AU

Year: 2503 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,496,369 km

• M1: 166,802 km (0.094 R)
• M2: 756,217 km (0.043 R)
• M3: 1,202,617 km (0.033 R)
• M4: 1,665,323 km (0.119 R)
• M5: 2,997,044 km (0.063 R)
• M6: 3,689,532 km (0.061 R)
• M7: 4,405,956 km (0.054 R)
• M8: 4,969,940 km (0.076 R)
• M9: 6,346,390 km (0.1 R)
• M10: 7,040,225 km (0.084 R)
• M11: 7,725,234 km (0.111 R)
• M12: 9,295,413 km (0.059 R)
• M13: 9,736,428 km (0.084 R)
• M14: 10,734,246 km (0.07 R)
• M15: 11,372,729 km (0.11 R)
• M16: 12,891,597 km (0.098 R)
• M17: 13,398,284 km (0.111 R)
• M18: 13,874,305 km (0.085 R)
• M19: 14,541,811 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.9

Radius: 5

Gravity: 32.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.07 AU - 8.19 AU

Year: 13142 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,496,369 km

• M1: 62,233 km (0.029 R)
• M2: 239,207 km (0.073 R)
• M3: 445,353 km (0.116 R)
• M4: 770,130 km (0.105 R)
• M5: 1,293,573 km (0.113 R)
• M6: 1,615,956 km (0.115 R)
• M7: 2,399,251 km (0.099 R)
• M8: 2,679,298 km (0.082 R)
• M9: 2,957,101 km (0.105 R)
• M10: 3,570,004 km (0.032 R)
• M11: 3,820,580 km (0.074 R)
• M12: 4,023,435 km (0.068 R)
• M13: 4,578,293 km (0.071 R)
• M14: 6,589,487 km (0.045 R)
• M15: 8,377,182 km (0.072 R)
• M16: 10,022,160 km (0.081 R)
• M17: 11,094,328 km (0.062 R)
• M18: 13,134,992 km (0.116 R)
• M19: 14,556,172 km (0.116 R)
• M20: 17,620,684 km (0.104 R)
• M21: 19,345,249 km (0.064 R)
• M22: 21,907,262 km (0.071 R)
• M23: 27,584,950 km (0.115 R)
• M24: 28,452,917 km (0.07 R)
• M25: 35,933,857 km (0.096 R)
• M26: 43,306,190 km (0.086 R)
• M27: 43,743,016 km (0.067 R)
• M28: 45,220,295 km (0.103 R)
• M29: 46,425,754 km (0.088 R)
• M30: 49,851,097 km (0.11 R)
• M31: 50,491,376 km (0.062 R)
• M32: 50,813,610 km (0.052 R)
• M33: 54,449,287 km (0.075 R)
• M34: 56,157,694 km (0.111 R)
• M35: 56,677,098 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.1

Radius: 6.1

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.5 AU - 9.86 AU

Year: 16149 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,496,369 km

• M1: 75,996 km (0.109 R)
• M2: 320,139 km (0.092 R)
• M3: 915,838 km (0.066 R)
• M4: 1,149,809 km (0.113 R)
• M5: 1,645,427 km (0.071 R)
• M6: 1,942,080 km (0.104 R)
• M7: 4,624,519 km (0.075 R)
• M8: 4,947,800 km (0.065 R)
• M9: 5,460,921 km (0.113 R)
• M10: 6,315,573 km (0.096 R)
• M11: 6,877,613 km (0.092 R)
• M12: 7,213,460 km (0.12 R)
• M13: 8,240,150 km (0.084 R)
• M14: 8,667,252 km (0.109 R)
• M15: 8,910,797 km (0.103 R)
• M16: 9,669,109 km (0.062 R)
• M17: 9,984,162 km (0.114 R)
• M18: 12,020,638 km (0.103 R)
• M19: 13,718,574 km (0.1 R)
• M20: 14,796,875 km (0.067 R)
• M21: 15,570,296 km (0.112 R)
• M22: 15,858,122 km (0.064 R)
• M23: 17,045,032 km (0.099 R)
• M24: 18,369,871 km (0.058 R)
• M25: 19,180,392 km (0.07 R)
• M26: 33,876,139 km (0.062 R)
• M27: 34,117,290 km (0.077 R)
• M28: 35,093,267 km (0.108 R)
• M29: 35,588,286 km (0.088 R)
• M30: 36,339,268 km (0.064 R)
• M31: 36,718,797 km (0.091 R)
• M32: 38,524,892 km (0.086 R)
• M33: 43,155,844 km (0.111 R)
• M34: 47,387,968 km (0.066 R)
• M35: 49,063,015 km (0.084 R)
• M36: 51,251,483 km (0.105 R)
• M37: 51,728,700 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 15,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit