🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 12.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.74 AU - 1 AU

Year: 550 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,978,847 km

• M1: 166,502 km (0.079 R)
• M2: 609,911 km (0.105 R)
• M3: 1,184,217 km (0.038 R)
• M4: 1,614,161 km (0.028 R)
• M5: 2,065,947 km (0.093 R)
• M6: 2,936,157 km (0.026 R)
• M7: 3,557,587 km (0.094 R)
• M8: 4,777,408 km (0.119 R)
• M9: 5,235,626 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 10

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.04 AU - 1.5 AU

Year: 971 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,978,847 km

• M1: 124,316 km (0.109 R)
• M2: 451,636 km (0.111 R)
• M3: 830,418 km (0.048 R)
• M4: 1,143,227 km (0.096 R)
• M5: 1,763,310 km (0.115 R)
• M6: 2,563,360 km (0.11 R)
• M7: 3,422,201 km (0.058 R)
• M8: 3,761,190 km (0.119 R)
• M9: 4,356,888 km (0.107 R)
• M10: 5,213,635 km (0.104 R)
• M11: 6,084,893 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 11.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.14 AU - 2.84 AU

Year: 2665 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,978,847 km

• M1: 148,850 km (0.03 R)
• M2: 520,301 km (0.037 R)
• M3: 974,181 km (0.096 R)
• M4: 1,456,186 km (0.033 R)
• M5: 1,844,243 km (0.109 R)
• M6: 2,535,086 km (0.075 R)
• M7: 3,091,141 km (0.096 R)
• M8: 4,502,597 km (0.091 R)
• M9: 5,799,012 km (0.118 R)
• M10: 6,214,744 km (0.047 R)
• M11: 8,189,436 km (0.04 R)
• M12: 8,573,753 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.82 AU - 4.68 AU

Year: 4925 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,978,847 km

• M1: 184,155 km (0.058 R)
• M2: 682,316 km (0.116 R)
• M3: 1,399,039 km (0.113 R)
• M4: 1,930,112 km (0.115 R)
• M5: 3,352,339 km (0.036 R)
• M6: 4,012,215 km (0.047 R)
• M7: 4,837,397 km (0.065 R)
• M8: 5,390,909 km (0.119 R)
• M9: 6,429,716 km (0.093 R)
• M10: 10,672,312 km (0.088 R)
• M11: 14,780,120 km (0.092 R)
• M12: 15,952,070 km (0.103 R)
• M13: 16,437,814 km (0.112 R)
• M14: 17,375,344 km (0.115 R)
• M15: 20,759,697 km (0.083 R)
• M16: 22,455,239 km (0.034 R)
• M17: 24,241,437 km (0.114 R)
• M18: 27,311,036 km (0.114 R)
• M19: 28,095,079 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.5

Radius: 5

Gravity: 36.58 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.79 AU - 6.53 AU

Year: 9133 Days

Day: 18.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,978,847 km

• M1: 62,233 km (0.05 R)
• M2: 265,387 km (0.081 R)
• M3: 465,100 km (0.117 R)
• M4: 665,860 km (0.092 R)
• M5: 1,071,719 km (0.109 R)
• M6: 1,247,497 km (0.09 R)
• M7: 1,569,282 km (0.05 R)
• M8: 1,734,288 km (0.109 R)
• M9: 1,911,113 km (0.114 R)
• M10: 2,244,866 km (0.106 R)
• M11: 3,028,310 km (0.112 R)
• M12: 3,261,832 km (0.073 R)
• M13: 3,764,780 km (0.096 R)
• M14: 4,705,601 km (0.111 R)
• M15: 7,079,570 km (0.095 R)
• M16: 7,533,599 km (0.091 R)
• M17: 8,183,452 km (0.096 R)
• M18: 9,794,023 km (0.119 R)
• M19: 10,567,294 km (0.115 R)
• M20: 10,780,322 km (0.119 R)
• M21: 10,996,042 km (0.101 R)
• M22: 11,269,806 km (0.093 R)
• M23: 11,436,308 km (0.072 R)
• M24: 12,588,212 km (0.112 R)
• M25: 13,752,383 km (0.101 R)
• M26: 14,134,306 km (0.099 R)
• M27: 18,123,932 km (0.105 R)
• M28: 23,070,684 km (0.037 R)
• M29: 25,754,919 km (0.087 R)
• M30: 27,023,060 km (0.066 R)
• M31: 29,472,725 km (0.078 R)
• M32: 30,643,329 km (0.117 R)
• M33: 31,404,183 km (0.087 R)
• M34: 31,623,793 km (0.064 R)
• M35: 33,418,369 km (0.084 R)
• M36: 45,070,248 km (0.097 R)
• M37: 47,483,411 km (0.113 R)
• M38: 48,942,439 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434

Radius: 6.9

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.43 AU - 9.09 AU

Year: 17585 Days

Day: 23.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,978,847 km

• M1: 85,869 km (0.103 R)
• M2: 477,516 km (0.096 R)
• M3: 863,030 km (0.053 R)
• M4: 1,200,373 km (0.111 R)
• M5: 2,857,020 km (0.033 R)
• M6: 4,094,045 km (0.073 R)
• M7: 6,586,046 km (0.063 R)
• M8: 7,984,038 km (0.095 R)
• M9: 11,353,581 km (0.119 R)
• M10: 11,711,269 km (0.064 R)
• M11: 18,099,398 km (0.065 R)
• M12: 20,105,355 km (0.108 R)
• M13: 30,636,148 km (0.107 R)
• M14: 37,783,785 km (0.086 R)
• M15: 54,411,139 km (0.11 R)
• M16: 56,975,995 km (0.057 R)
• M17: 57,498,390 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 19,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit