🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 13.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.72 AU - 0.94 AU

Year: 496 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,184,915 km

• M1: 165,455 km (0.07 R)
• M2: 645,664 km (0.074 R)
• M3: 1,349,522 km (0.113 R)
• M4: 1,793,978 km (0.08 R)
• M5: 2,447,720 km (0.094 R)
• M6: 3,066,308 km (0.045 R)
• M7: 3,612,489 km (0.114 R)
• M8: 4,446,647 km (0.09 R)
• M9: 5,788,390 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 14.9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.85 AU - 1.35 AU

Year: 757 Days

Day: 13.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,184,915 km

• M1: 185,352 km (0.102 R)
• M2: 653,593 km (0.105 R)
• M3: 1,135,747 km (0.066 R)
• M4: 1,641,089 km (0.081 R)
• M5: 2,197,742 km (0.101 R)
• M6: 2,670,621 km (0.104 R)
• M7: 3,967,036 km (0.068 R)

Asteroid Belt

Center: 1.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 13.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.42 AU - 2.02 AU

Year: 1480 Days

Day: 6 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,184,915 km

• M1: 170,392 km (0.094 R)
• M2: 612,454 km (0.062 R)
• M3: 1,043,595 km (0.092 R)
• M4: 1,493,286 km (0.096 R)
• M5: 2,010,895 km (0.088 R)
• M6: 2,597,019 km (0.111 R)
• M7: 3,030,703 km (0.118 R)
• M8: 3,740,396 km (0.083 R)
• M9: 4,243,044 km (0.099 R)
• M10: 4,870,009 km (0.093 R)
• M11: 5,580,150 km (0.042 R)
• M12: 6,849,339 km (0.084 R)
• M13: 7,418,558 km (0.029 R)
• M14: 8,245,535 km (0.061 R)
• M15: 9,443,066 km (0.068 R)
• M16: 10,959,989 km (0.071 R)
• M17: 12,181,755 km (0.112 R)
• M18: 13,019,503 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.4

Radius: 11.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.78 AU - 3.56 AU

Year: 3703 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,184,915 km

• M1: 153,338 km (0.097 R)
• M2: 504,893 km (0.081 R)
• M3: 926,160 km (0.084 R)
• M4: 1,358,947 km (0.083 R)
• M5: 1,739,973 km (0.114 R)
• M6: 2,140,446 km (0.111 R)
• M7: 2,543,313 km (0.051 R)
• M8: 3,578,680 km (0.112 R)
• M9: 3,946,841 km (0.101 R)
• M10: 4,426,601 km (0.064 R)
• M11: 5,086,926 km (0.052 R)
• M12: 6,212,800 km (0.104 R)
• M13: 7,011,503 km (0.093 R)
• M14: 9,783,850 km (0.036 R)
• M15: 12,065,966 km (0.054 R)
• M16: 15,127,486 km (0.059 R)
• M17: 16,201,300 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 10.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.18 AU - 4.86 AU

Year: 5287 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,184,915 km

• M1: 128,056 km (0.111 R)
• M2: 675,734 km (0.077 R)
• M3: 1,082,341 km (0.097 R)
• M4: 1,969,905 km (0.108 R)
• M5: 3,024,570 km (0.11 R)
• M6: 3,375,975 km (0.063 R)
• M7: 3,813,998 km (0.118 R)
• M8: 4,376,336 km (0.065 R)
• M9: 5,017,213 km (0.098 R)
• M10: 6,149,370 km (0.109 R)
• M11: 6,629,729 km (0.069 R)
• M12: 7,350,342 km (0.085 R)
• M13: 7,794,348 km (0.115 R)
• M14: 8,771,222 km (0.116 R)
• M15: 9,271,178 km (0.103 R)
• M16: 9,789,984 km (0.111 R)
• M17: 11,337,873 km (0.095 R)
• M18: 15,729,019 km (0.105 R)
• M19: 17,174,135 km (0.091 R)
• M20: 17,506,840 km (0.108 R)
• M21: 18,185,267 km (0.105 R)
• M22: 18,647,375 km (0.069 R)
• M23: 20,574,046 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 13.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.56 AU - 5.68 AU

Year: 6514 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,184,915 km

• M1: 165,605 km (0.037 R)
• M2: 673,639 km (0.111 R)
• M3: 1,320,800 km (0.107 R)
• M4: 2,023,012 km (0.057 R)
• M5: 3,171,475 km (0.074 R)
• M6: 4,001,893 km (0.059 R)
• M7: 4,660,422 km (0.062 R)
• M8: 6,434,803 km (0.102 R)
• M9: 6,932,365 km (0.081 R)
• M10: 8,793,961 km (0.033 R)
• M11: 9,634,103 km (0.082 R)
• M12: 10,334,670 km (0.089 R)
• M13: 12,155,126 km (0.039 R)
• M14: 12,587,165 km (0.087 R)
• M15: 13,654,546 km (0.081 R)
• M16: 14,359,152 km (0.055 R)
• M17: 14,781,317 km (0.085 R)
• M18: 15,587,350 km (0.056 R)
• M19: 19,841,166 km (0.113 R)
• M20: 20,441,053 km (0.106 R)
• M21: 20,976,015 km (0.025 R)
• M22: 23,708,121 km (0.111 R)
• M23: 26,579,054 km (0.06 R)
• M24: 30,757,472 km (0.087 R)
• M25: 33,527,576 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.2

Radius: 5.5

Gravity: 31.28 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.45 AU - 6.57 AU

Year: 9665 Days

Day: 21.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 149.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,184,915 km

• M1: 68,366 km (0.078 R)
• M2: 1,049,279 km (0.104 R)
• M3: 1,824,645 km (0.096 R)
• M4: 3,428,933 km (0.118 R)
• M5: 4,977,570 km (0.106 R)
• M6: 5,444,764 km (0.105 R)
• M7: 6,087,885 km (0.09 R)
• M8: 6,780,374 km (0.098 R)
• M9: 11,325,606 km (0.102 R)
• M10: 12,132,088 km (0.074 R)
• M11: 12,670,341 km (0.077 R)
• M12: 14,915,955 km (0.091 R)
• M13: 15,813,393 km (0.113 R)
• M14: 17,715,529 km (0.093 R)
• M15: 18,175,244 km (0.119 R)
• M16: 22,497,725 km (0.116 R)
• M17: 23,954,060 km (0.079 R)
• M18: 25,375,539 km (0.055 R)
• M19: 28,177,657 km (0.06 R)
• M20: 32,074,382 km (0.101 R)
• M21: 34,033,516 km (0.067 R)
• M22: 49,723,191 km (0.085 R)
• M23: 50,790,422 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 13,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit