🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 11.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.49 AU - 0.57 AU

Year: 262 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,705,022 km

• M1: 146,756 km (0.118 R)
• M2: 591,660 km (0.085 R)
• M3: 1,013,675 km (0.12 R)
• M4: 1,434,943 km (0.101 R)
• M5: 1,987,408 km (0.083 R)
• M6: 2,736,444 km (0.069 R)
• M7: 3,227,873 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 14.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.53 AU - 0.61 AU

Year: 292 Days

Day: 10.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,705,022 km

• M1: 180,265 km (0.112 R)
• M2: 631,453 km (0.11 R)
• M3: 1,118,842 km (0.104 R)
• M4: 1,851,872 km (0.098 R)
• M5: 2,305,004 km (0.045 R)
• M6: 2,850,139 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 11

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,705,022 km

• M1: 136,882 km (0.074 R)
• M2: 484,248 km (0.117 R)
• M3: 907,461 km (0.104 R)
• M4: 1,595,312 km (0.057 R)
• M5: 3,098,920 km (0.12 R)
• M6: 4,317,993 km (0.101 R)
• M7: 4,952,886 km (0.107 R)
• M8: 5,468,999 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 9.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.65 AU - 1.71 AU

Year: 1477 Days

Day: 8.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,705,022 km

• M1: 113,246 km (0.112 R)
• M2: 415,882 km (0.054 R)
• M3: 872,156 km (0.108 R)
• M4: 1,300,604 km (0.117 R)
• M5: 1,753,287 km (0.077 R)
• M6: 2,050,837 km (0.11 R)
• M7: 2,457,893 km (0.098 R)
• M8: 3,355,779 km (0.083 R)
• M9: 4,048,567 km (0.101 R)
• M10: 4,400,571 km (0.108 R)
• M11: 5,425,616 km (0.106 R)
• M12: 7,331,343 km (0.066 R)
• M13: 7,659,710 km (0.089 R)
• M14: 8,055,397 km (0.076 R)
• M15: 8,614,145 km (0.102 R)
• M16: 9,645,622 km (0.093 R)
• M17: 12,065,367 km (0.077 R)
• M18: 13,887,021 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 12.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.91 AU - 2.35 AU

Year: 2108 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,705,022 km

• M1: 156,928 km (0.112 R)
• M2: 590,762 km (0.049 R)
• M3: 1,077,105 km (0.111 R)
• M4: 1,782,309 km (0.117 R)
• M5: 2,569,792 km (0.063 R)
• M6: 3,074,984 km (0.099 R)
• M7: 3,476,056 km (0.096 R)
• M8: 4,134,586 km (0.049 R)
• M9: 5,046,235 km (0.113 R)
• M10: 6,112,270 km (0.08 R)
• M11: 6,884,793 km (0.09 R)
• M12: 8,750,279 km (0.041 R)
• M13: 10,214,842 km (0.119 R)
• M14: 11,228,367 km (0.037 R)
• M15: 11,953,468 km (0.109 R)
• M16: 12,547,821 km (0.106 R)
• M17: 13,412,945 km (0.095 R)
• M18: 14,897,554 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.1

Radius: 14.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.06 AU - 2.48 AU

Year: 2320 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,705,022 km

• M1: 176,675 km (0.118 R)
• M2: 643,720 km (0.111 R)
• M3: 1,094,757 km (0.062 R)
• M4: 1,651,860 km (0.089 R)
• M5: 2,698,895 km (0.117 R)
• M6: 3,173,569 km (0.12 R)
• M7: 3,817,588 km (0.116 R)
• M8: 4,504,990 km (0.083 R)
• M9: 5,919,588 km (0.085 R)
• M10: 6,701,685 km (0.116 R)
• M11: 7,340,319 km (0.075 R)
• M12: 8,505,836 km (0.112 R)
• M13: 9,360,937 km (0.117 R)
• M14: 10,653,612 km (0.106 R)
• M15: 12,529,570 km (0.025 R)
• M16: 13,637,192 km (0.066 R)
• M17: 16,769,921 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.8

Radius: 7.9

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.64 AU - 12.44 AU

Year: 23209 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,705,022 km

• M1: 98,735 km (0.12 R)
• M2: 536,308 km (0.12 R)
• M3: 1,049,130 km (0.093 R)
• M4: 1,388,717 km (0.112 R)
• M5: 1,708,707 km (0.064 R)
• M6: 2,359,906 km (0.091 R)
• M7: 3,336,332 km (0.113 R)
• M8: 4,246,336 km (0.073 R)
• M9: 6,366,586 km (0.085 R)
• M10: 7,911,334 km (0.112 R)
• M11: 11,994,608 km (0.081 R)
• M12: 12,623,068 km (0.085 R)
• M13: 16,691,532 km (0.104 R)
• M14: 33,829,913 km (0.08 R)
• M15: 40,094,324 km (0.094 R)
• M16: 42,609,812 km (0.038 R)
• M17: 43,092,863 km (0.111 R)
• M18: 44,069,887 km (0.091 R)
• M19: 47,952,550 km (0.099 R)
• M20: 48,475,245 km (0.092 R)
• M21: 50,424,356 km (0.059 R)
• M22: 51,874,258 km (0.074 R)
• M23: 57,167,779 km (0.076 R)
• M24: 62,810,312 km (0.077 R)
• M25: 63,645,517 km (0.09 R)
• M26: 70,147,190 km (0.084 R)
• M27: 72,180,823 km (0.099 R)
• M28: 74,719,200 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 16,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit