🌌 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: 354.9

Radius: 8.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,933,660 km

• M1: 107,561 km (0.053 R)
• M2: 582,983 km (0.11 R)
• M3: 875,297 km (0.067 R)
• M4: 1,176,737 km (0.094 R)
• M5: 1,488,648 km (0.101 R)
• M6: 1,788,592 km (0.103 R)
• M7: 2,220,631 km (0.04 R)
• M8: 2,606,593 km (0.109 R)
• M9: 2,903,844 km (0.051 R)
• M10: 3,284,421 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 14.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.61 AU - 0.77 AU

Year: 389 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,933,660 km

• M1: 182,659 km (0.061 R)
• M2: 802,293 km (0.107 R)
• M3: 1,315,414 km (0.095 R)
• M4: 1,843,794 km (0.075 R)
• M5: 2,842,210 km (0.117 R)
• M6: 3,486,378 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 13.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.83 AU - 1.27 AU

Year: 730 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,933,660 km

• M1: 170,392 km (0.12 R)
• M2: 642,523 km (0.088 R)
• M3: 1,458,130 km (0.112 R)
• M4: 2,200,585 km (0.119 R)
• M5: 3,094,432 km (0.087 R)
• M6: 3,701,351 km (0.097 R)
• M7: 4,458,615 km (0.102 R)
• M8: 4,936,281 km (0.042 R)
• M9: 5,365,926 km (0.066 R)
• M10: 5,907,620 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 13.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.02 AU - 1.34 AU

Year: 869 Days

Day: 13.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,933,660 km

• M1: 165,455 km (0.105 R)
• M2: 621,878 km (0.105 R)
• M3: 1,225,356 km (0.093 R)
• M4: 1,717,533 km (0.099 R)
• M5: 2,173,059 km (0.108 R)
• M6: 2,604,050 km (0.026 R)
• M7: 3,033,994 km (0.117 R)
• M8: 3,803,526 km (0.034 R)
• M9: 5,006,143 km (0.035 R)
• M10: 5,713,891 km (0.039 R)
• M11: 6,566,599 km (0.106 R)
• M12: 7,138,960 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 14.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.22 AU - 1.82 AU

Year: 1271 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,933,660 km

• M1: 175,478 km (0.083 R)
• M2: 984,653 km (0.09 R)
• M3: 1,916,947 km (0.071 R)
• M4: 2,618,561 km (0.102 R)
• M5: 4,981,759 km (0.046 R)
• M6: 5,622,337 km (0.096 R)
• M7: 7,506,372 km (0.117 R)
• M8: 8,294,005 km (0.056 R)
• M9: 9,046,632 km (0.112 R)
• M10: 11,650,682 km (0.087 R)
• M11: 12,595,393 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.8

Radius: 10.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.82 AU - 1.92 AU

Year: 1734 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,933,660 km

• M1: 135,536 km (0.107 R)
• M2: 503,846 km (0.068 R)
• M3: 888,312 km (0.1 R)
• M4: 1,262,606 km (0.1 R)
• M5: 1,705,117 km (0.11 R)
• M6: 2,345,844 km (0.113 R)
• M7: 3,448,530 km (0.119 R)
• M8: 4,000,546 km (0.103 R)
• M9: 4,382,021 km (0.117 R)
• M10: 4,928,502 km (0.058 R)
• M11: 6,087,437 km (0.116 R)
• M12: 6,470,856 km (0.094 R)
• M13: 6,819,419 km (0.035 R)
• M14: 8,458,712 km (0.083 R)
• M15: 9,307,531 km (0.065 R)
• M16: 10,245,659 km (0.117 R)
• M17: 11,641,557 km (0.099 R)
• M18: 12,046,817 km (0.1 R)
• M19: 12,691,435 km (0.1 R)
• M20: 13,160,274 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.4

Radius: 6

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.93 AU - 9.19 AU

Year: 14099 Days

Day: 16.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,933,660 km

• M1: 76,893 km (0.057 R)
• M2: 271,071 km (0.118 R)
• M3: 607,517 km (0.118 R)
• M4: 887,714 km (0.085 R)
• M5: 1,347,129 km (0.092 R)
• M6: 2,101,551 km (0.118 R)
• M7: 3,829,406 km (0.057 R)
• M8: 4,400,721 km (0.072 R)
• M9: 5,863,189 km (0.079 R)
• M10: 7,219,444 km (0.11 R)
• M11: 7,668,686 km (0.025 R)
• M12: 7,947,088 km (0.059 R)
• M13: 10,706,869 km (0.032 R)
• M14: 11,172,567 km (0.085 R)
• M15: 12,269,419 km (0.042 R)
• M16: 12,586,417 km (0.06 R)
• M17: 13,637,641 km (0.106 R)
• M18: 14,323,697 km (0.104 R)
• M19: 15,764,324 km (0.077 R)
• M20: 16,214,764 km (0.044 R)
• M21: 18,430,757 km (0.086 R)
• M22: 19,525,065 km (0.089 R)
• M23: 20,840,779 km (0.061 R)
• M24: 24,636,675 km (0.057 R)
• M25: 27,768,806 km (0.112 R)
• M26: 33,193,224 km (0.105 R)
• M27: 33,561,534 km (0.059 R)
• M28: 34,935,890 km (0.067 R)
• M29: 45,925,649 km (0.099 R)
• M30: 50,476,117 km (0.11 R)
• M31: 53,952,771 km (0.054 R)
• M32: 56,881,598 km (0.109 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: 164 - 20,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit