🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 11

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,768,194 km

• M1: 137,780 km (0.1 R)
• M2: 694,284 km (0.096 R)
• M3: 1,199,775 km (0.083 R)
• M4: 1,545,496 km (0.108 R)
• M5: 3,166,089 km (0.095 R)
• M6: 3,829,705 km (0.084 R)
• M7: 4,283,735 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 9.3

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.04 AU - 1.04 AU

Year: 707 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,768,194 km

• M1: 115,639 km (0.085 R)
• M2: 415,284 km (0.092 R)
• M3: 1,070,522 km (0.098 R)
• M4: 1,500,317 km (0.108 R)
• M5: 1,915,750 km (0.038 R)
• M6: 2,480,482 km (0.104 R)
• M7: 2,837,572 km (0.106 R)
• M8: 3,559,083 km (0.097 R)
• M9: 3,868,601 km (0.1 R)
• M10: 4,304,080 km (0.077 R)
• M11: 5,009,883 km (0.112 R)
• M12: 5,327,479 km (0.075 R)
• M13: 7,344,358 km (0.076 R)
• M14: 7,778,341 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 14.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.61 AU - 2.49 AU

Year: 1957 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,768,194 km

• M1: 185,352 km (0.108 R)
• M2: 748,289 km (0.045 R)
• M3: 1,360,293 km (0.074 R)
• M4: 1,850,675 km (0.099 R)
• M5: 3,544,422 km (0.119 R)
• M6: 5,486,951 km (0.107 R)
• M7: 6,208,012 km (0.114 R)
• M8: 7,042,769 km (0.104 R)
• M9: 8,318,689 km (0.086 R)
• M10: 9,396,541 km (0.094 R)
• M11: 11,080,415 km (0.103 R)
• M12: 13,074,704 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 8.9

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.51 AU - 2.61 AU

Year: 2731 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,768,194 km

• M1: 110,702 km (0.107 R)
• M2: 594,951 km (0.071 R)
• M3: 2,177,547 km (0.096 R)
• M4: 3,141,406 km (0.11 R)
• M5: 5,319,251 km (0.055 R)
• M6: 6,010,693 km (0.109 R)
• M7: 8,381,669 km (0.082 R)
• M8: 8,675,181 km (0.082 R)
• M9: 9,810,329 km (0.1 R)
• M10: 10,469,757 km (0.064 R)
• M11: 11,315,433 km (0.079 R)
• M12: 15,206,474 km (0.1 R)
• M13: 16,290,161 km (0.078 R)
• M14: 18,173,449 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.8

Radius: 3.1

Gravity: 66.16 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.98 AU - 7.36 AU

Year: 10220 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,768,194 km

• M1: 38,746 km (0.095 R)
• M2: 145,110 km (0.048 R)
• M3: 263,292 km (0.097 R)
• M4: 550,221 km (0.091 R)
• M5: 661,671 km (0.102 R)
• M6: 1,045,988 km (0.092 R)
• M7: 1,255,425 km (0.067 R)
• M8: 1,788,891 km (0.063 R)
• M9: 1,934,749 km (0.089 R)
• M10: 2,105,889 km (0.119 R)
• M11: 2,578,469 km (0.104 R)
• M12: 4,445,002 km (0.103 R)
• M13: 5,513,579 km (0.07 R)
• M14: 6,858,614 km (0.115 R)
• M15: 9,097,196 km (0.042 R)
• M16: 9,675,242 km (0.111 R)
• M17: 9,973,241 km (0.051 R)
• M18: 10,904,039 km (0.105 R)
• M19: 11,722,788 km (0.097 R)
• M20: 13,237,317 km (0.044 R)
• M21: 15,475,451 km (0.109 R)
• M22: 17,584,183 km (0.083 R)
• M23: 19,403,143 km (0.086 R)
• M24: 22,706,713 km (0.104 R)
• M25: 24,126,696 km (0.113 R)
• M26: 27,833,881 km (0.12 R)
• M27: 31,360,501 km (0.12 R)
• M28: 32,562,370 km (0.039 R)
• M29: 33,118,575 km (0.101 R)
• M30: 33,342,822 km (0.103 R)
• M31: 34,250,133 km (0.077 R)
• M32: 37,312,103 km (0.105 R)
• M33: 37,798,744 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.7

Radius: 7.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.59 AU - 8.41 AU

Year: 12350 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,768,194 km

• M1: 107,112 km (0.116 R)
• M2: 412,890 km (0.083 R)
• M3: 670,049 km (0.045 R)
• M4: 1,038,508 km (0.116 R)
• M5: 1,807,890 km (0.08 R)
• M6: 2,426,328 km (0.115 R)
• M7: 2,892,325 km (0.115 R)
• M8: 4,491,078 km (0.051 R)
• M9: 4,876,143 km (0.094 R)
• M10: 5,618,597 km (0.105 R)
• M11: 7,821,575 km (0.067 R)
• M12: 8,257,952 km (0.102 R)
• M13: 10,307,892 km (0.114 R)
• M14: 10,784,211 km (0.049 R)
• M15: 11,027,906 km (0.098 R)
• M16: 11,678,507 km (0.102 R)
• M17: 13,056,304 km (0.111 R)
• M18: 14,598,508 km (0.091 R)
• M19: 17,432,490 km (0.096 R)
• M20: 19,155,708 km (0.11 R)
• M21: 20,168,785 km (0.043 R)
• M22: 22,222,614 km (0.109 R)
• M23: 22,538,266 km (0.081 R)
• M24: 28,281,627 km (0.099 R)
• M25: 30,264,846 km (0.077 R)
• M26: 30,750,291 km (0.117 R)
• M27: 35,895,111 km (0.059 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 19,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit