🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.1

Radius: 10.4

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.68 AU

Year: 310 Days

Day: 6.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,295,981 km

• M1: 129,552 km (0.108 R)
• M2: 557,252 km (0.084 R)
• M3: 1,193,641 km (0.072 R)
• M4: 1,641,238 km (0.075 R)
• M5: 2,011,044 km (0.087 R)
• M6: 3,122,856 km (0.116 R)
• M7: 3,660,660 km (0.066 R)
• M8: 4,491,526 km (0.104 R)
• M9: 5,117,294 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.1

Radius: 12.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.7 AU - 0.84 AU

Year: 475 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,295,981 km

• M1: 157,975 km (0.026 R)
• M2: 779,555 km (0.065 R)
• M3: 1,293,573 km (0.081 R)
• M4: 2,048,892 km (0.104 R)
• M5: 2,459,987 km (0.084 R)
• M6: 2,856,422 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.8 AU - 0.8 AU

Year: 503 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,295,981 km

• M1: 170,392 km (0.094 R)
• M2: 639,381 km (0.106 R)
• M3: 1,351,318 km (0.119 R)
• M4: 1,788,592 km (0.069 R)
• M5: 2,246,511 km (0.088 R)
• M6: 2,750,806 km (0.067 R)
• M7: 3,220,693 km (0.096 R)
• M8: 4,006,081 km (0.108 R)
• M9: 4,598,339 km (0.115 R)
• M10: 5,420,380 km (0.115 R)
• M11: 5,903,880 km (0.11 R)
• M12: 6,593,526 km (0.065 R)
• M13: 7,208,822 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 9.2

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.85 AU - 1.01 AU

Year: 630 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,295,981 km

• M1: 114,442 km (0.053 R)
• M2: 588,668 km (0.089 R)
• M3: 931,845 km (0.106 R)
• M4: 1,354,310 km (0.099 R)
• M5: 1,674,599 km (0.104 R)
• M6: 2,000,124 km (0.096 R)
• M7: 2,546,754 km (0.098 R)
• M8: 3,331,096 km (0.076 R)
• M9: 3,879,821 km (0.064 R)
• M10: 4,376,935 km (0.106 R)
• M11: 4,814,807 km (0.063 R)
• M12: 5,516,870 km (0.109 R)
• M13: 5,950,704 km (0.088 R)
• M14: 6,305,849 km (0.045 R)
• M15: 6,994,000 km (0.038 R)
• M16: 7,685,291 km (0.048 R)
• M17: 7,988,377 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 9.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.67 AU - 2.45 AU

Year: 2078 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,295,981 km

• M1: 115,639 km (0.109 R)
• M2: 469,289 km (0.107 R)
• M3: 974,630 km (0.117 R)
• M4: 1,372,411 km (0.098 R)
• M5: 2,538,975 km (0.107 R)
• M6: 2,890,380 km (0.05 R)
• M7: 3,955,517 km (0.093 R)
• M8: 4,882,874 km (0.115 R)
• M9: 5,492,486 km (0.041 R)
• M10: 6,313,329 km (0.082 R)
• M11: 6,912,618 km (0.06 R)
• M12: 7,239,041 km (0.066 R)
• M13: 7,977,157 km (0.093 R)
• M14: 9,572,169 km (0.106 R)
• M15: 9,883,632 km (0.08 R)
• M16: 11,438,852 km (0.027 R)
• M17: 12,147,945 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 10.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.79 AU - 2.43 AU

Year: 2154 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,295,981 km

• M1: 130,150 km (0.097 R)
• M2: 774,468 km (0.046 R)
• M3: 1,131,110 km (0.058 R)
• M4: 2,720,886 km (0.114 R)
• M5: 3,513,306 km (0.096 R)
• M6: 4,563,483 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.8

Radius: 10.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.62 AU - 3.88 AU

Year: 4118 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,295,981 km

• M1: 130,001 km (0.111 R)
• M2: 1,105,079 km (0.1 R)
• M3: 1,436,140 km (0.114 R)
• M4: 2,572,335 km (0.093 R)
• M5: 3,320,325 km (0.037 R)
• M6: 4,289,270 km (0.106 R)
• M7: 6,721,881 km (0.039 R)
• M8: 9,485,403 km (0.03 R)
• M9: 16,971,878 km (0.066 R)
• M10: 18,767,352 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548

Radius: 6.4

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.87 AU - 9.25 AU

Year: 14611 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,295,981 km

• M1: 79,586 km (0.105 R)
• M2: 407,804 km (0.055 R)
• M3: 850,913 km (0.107 R)
• M4: 1,085,183 km (0.111 R)
• M5: 1,308,832 km (0.104 R)
• M6: 2,098,559 km (0.074 R)
• M7: 2,429,170 km (0.118 R)
• M8: 2,682,888 km (0.039 R)
• M9: 3,421,602 km (0.09 R)
• M10: 3,796,644 km (0.026 R)
• M11: 5,906,872 km (0.093 R)
• M12: 6,367,783 km (0.117 R)
• M13: 6,607,140 km (0.097 R)
• M14: 6,811,041 km (0.077 R)
• M15: 7,188,776 km (0.055 R)
• M16: 10,181,631 km (0.115 R)
• M17: 10,509,250 km (0.104 R)
• M18: 15,720,193 km (0.117 R)
• M19: 17,442,663 km (0.03 R)
• M20: 22,705,666 km (0.12 R)
• M21: 23,643,046 km (0.116 R)
• M22: 24,217,801 km (0.071 R)
• M23: 25,196,171 km (0.092 R)
• M24: 28,720,248 km (0.074 R)
• M25: 33,032,257 km (0.038 R)
• M26: 33,389,946 km (0.083 R)
• M27: 37,627,006 km (0.072 R)
• M28: 37,886,858 km (0.055 R)
• M29: 40,279,526 km (0.037 R)
• M30: 45,070,547 km (0.118 R)
• M31: 46,848,219 km (0.075 R)
• M32: 48,980,736 km (0.119 R)
• M33: 53,111,134 km (0.091 R)
• M34: 54,926,354 km (0.049 R)
• M35: 55,933,746 km (0.073 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: 394 - 12,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit