🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.44 AU - 0.68 AU

Year: 275 Days

Day: 19.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,764,621 km

• M1: 161,715 km (0.039 R)

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 12.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.97 AU - 1.43 AU

Year: 862 Days

Day: 7.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 86.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,764,621 km

• M1: 153,487 km (0.085 R)
• M2: 743,053 km (0.086 R)
• M3: 1,168,958 km (0.118 R)
• M4: 1,582,895 km (0.117 R)
• M5: 2,096,315 km (0.097 R)
• M6: 3,409,635 km (0.12 R)
• M7: 3,997,405 km (0.118 R)
• M8: 4,436,923 km (0.106 R)
• M9: 5,934,099 km (0.071 R)
• M10: 6,722,330 km (0.051 R)
• M11: 7,164,541 km (0.055 R)
• M12: 7,673,473 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 9.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.18 AU - 1.62 AU

Year: 1087 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,764,621 km

• M1: 122,371 km (0.094 R)
• M2: 428,747 km (0.088 R)
• M3: 815,907 km (0.093 R)
• M4: 1,122,433 km (0.073 R)
• M5: 1,925,923 km (0.09 R)
• M6: 2,334,026 km (0.044 R)
• M7: 2,835,777 km (0.1 R)
• M8: 3,178,356 km (0.082 R)
• M9: 3,562,823 km (0.091 R)
• M10: 3,993,665 km (0.036 R)
• M11: 4,765,889 km (0.075 R)
• M12: 5,215,580 km (0.119 R)
• M13: 5,673,798 km (0.09 R)
• M14: 6,759,131 km (0.064 R)
• M15: 7,304,415 km (0.114 R)
• M16: 8,076,789 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.5

Radius: 8.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.55 AU - 1.59 AU

Year: 1291 Days

Day: 9.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,764,621 km

• M1: 110,702 km (0.079 R)
• M2: 400,324 km (0.066 R)
• M3: 724,652 km (0.096 R)
• M4: 1,048,681 km (0.086 R)
• M5: 1,402,630 km (0.084 R)
• M6: 2,057,420 km (0.063 R)
• M7: 2,695,903 km (0.07 R)
• M8: 3,141,106 km (0.074 R)
• M9: 3,705,838 km (0.108 R)
• M10: 4,000,247 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 9.7

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.32 AU - 2.36 AU

Year: 2348 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,764,621 km

• M1: 120,725 km (0.054 R)
• M2: 451,038 km (0.086 R)
• M3: 815,608 km (0.086 R)
• M4: 1,306,887 km (0.094 R)
• M5: 1,856,061 km (0.089 R)
• M6: 2,325,948 km (0.06 R)
• M7: 3,019,483 km (0.068 R)
• M8: 3,729,475 km (0.102 R)
• M9: 4,043,182 km (0.116 R)
• M10: 4,417,027 km (0.115 R)
• M11: 5,307,433 km (0.048 R)
• M12: 6,533,986 km (0.1 R)
• M13: 6,846,646 km (0.115 R)
• M14: 8,133,337 km (0.049 R)
• M15: 9,904,277 km (0.096 R)
• M16: 10,279,468 km (0.108 R)
• M17: 11,340,416 km (0.061 R)
• M18: 12,257,601 km (0.09 R)
• M19: 14,912,215 km (0.099 R)
• M20: 16,166,443 km (0.114 R)
• M21: 16,582,326 km (0.096 R)
• M22: 19,229,161 km (0.06 R)
• M23: 19,814,088 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 11.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.94 AU - 2.8 AU

Year: 2393 Days

Day: 10.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,764,621 km

• M1: 148,551 km (0.097 R)
• M2: 875,447 km (0.116 R)
• M3: 1,965,118 km (0.117 R)
• M4: 3,546,666 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 8.2

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.18 AU - 3.56 AU

Year: 3190 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,764,621 km

• M1: 104,569 km (0.067 R)
• M2: 448,943 km (0.046 R)
• M3: 710,440 km (0.094 R)
• M4: 1,078,601 km (0.089 R)
• M5: 1,491,192 km (0.12 R)
• M6: 2,030,641 km (0.117 R)
• M7: 2,285,855 km (0.117 R)
• M8: 2,620,506 km (0.068 R)
• M9: 2,987,918 km (0.119 R)
• M10: 3,285,618 km (0.119 R)
• M11: 3,639,716 km (0.044 R)
• M12: 3,921,858 km (0.079 R)
• M13: 5,559,057 km (0.079 R)
• M14: 6,488,359 km (0.073 R)
• M15: 7,250,560 km (0.117 R)
• M16: 9,259,659 km (0.035 R)
• M17: 10,373,266 km (0.057 R)
• M18: 12,564,725 km (0.076 R)
• M19: 12,820,986 km (0.095 R)
• M20: 13,566,433 km (0.046 R)
• M21: 15,678,904 km (0.118 R)
• M22: 16,026,270 km (0.118 R)
• M23: 17,151,097 km (0.078 R)
• M24: 17,679,476 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33

Radius: 4.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.48 AU - 8.58 AU

Year: 13555 Days

Day: 16.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,764,621 km

• M1: 54,753 km (0.053 R)
• M2: 349,311 km (0.08 R)
• M3: 841,488 km (0.074 R)
• M4: 2,592,382 km (0.084 R)
• M5: 2,965,030 km (0.069 R)
• M6: 5,256,720 km (0.092 R)
• M7: 6,405,930 km (0.059 R)
• M8: 13,845,133 km (0.102 R)
• M9: 20,917,672 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.6

Radius: 7.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.92 AU - 10.68 AU

Year: 17125 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,764,621 km

• M1: 95,144 km (0.071 R)
• M2: 375,939 km (0.079 R)
• M3: 1,495,231 km (0.093 R)
• M4: 2,154,209 km (0.051 R)
• M5: 2,973,407 km (0.104 R)
• M6: 3,640,315 km (0.083 R)
• M7: 4,661,769 km (0.081 R)
• M8: 4,930,895 km (0.106 R)
• M9: 5,500,415 km (0.116 R)
• M10: 6,668,774 km (0.108 R)
• M11: 7,151,227 km (0.097 R)
• M12: 8,459,610 km (0.106 R)
• M13: 9,233,181 km (0.112 R)
• M14: 10,008,696 km (0.118 R)
• M15: 10,641,345 km (0.03 R)
• M16: 11,156,860 km (0.1 R)
• M17: 13,333,209 km (0.118 R)
• M18: 13,932,349 km (0.118 R)
• M19: 18,239,870 km (0.058 R)
• M20: 21,459,815 km (0.095 R)
• M21: 23,752,552 km (0.1 R)
• M22: 26,119,489 km (0.075 R)
• M23: 26,457,730 km (0.063 R)
• M24: 30,561,798 km (0.081 R)
• M25: 31,221,375 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 15,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit