🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 11

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.64 AU - 0.76 AU

Year: 384 Days

Day: 6.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,768,404 km

• M1: 137,480 km (0.108 R)
• M2: 524,789 km (0.077 R)
• M3: 910,153 km (0.1 R)
• M4: 1,271,731 km (0.103 R)
• M5: 1,779,616 km (0.118 R)
• M6: 2,137,454 km (0.085 R)
• M7: 2,681,243 km (0.102 R)
• M8: 3,052,545 km (0.089 R)
• M9: 3,480,694 km (0.109 R)
• M10: 3,863,963 km (0.077 R)
• M11: 4,353,298 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.9

Radius: 10.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.12 AU - 1.78 AU

Year: 1145 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,768,404 km

• M1: 133,292 km (0.093 R)
• M2: 590,762 km (0.026 R)
• M3: 1,346,680 km (0.119 R)
• M4: 1,766,601 km (0.071 R)
• M5: 2,177,247 km (0.075 R)
• M6: 2,639,654 km (0.062 R)
• M7: 3,166,837 km (0.059 R)
• M8: 3,701,949 km (0.051 R)
• M9: 4,096,887 km (0.082 R)
• M10: 5,738,275 km (0.096 R)
• M11: 6,379,452 km (0.086 R)
• M12: 6,833,032 km (0.118 R)
• M13: 7,332,390 km (0.109 R)
• M14: 8,297,745 km (0.116 R)
• M15: 9,146,563 km (0.065 R)
• M16: 9,812,872 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 10

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.33 AU - 2.13 AU

Year: 1493 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,768,404 km

• M1: 124,316 km (0.075 R)
• M2: 437,125 km (0.117 R)
• M3: 938,876 km (0.081 R)
• M4: 1,420,581 km (0.06 R)
• M5: 2,006,855 km (0.105 R)
• M6: 2,444,280 km (0.111 R)
• M7: 2,973,557 km (0.113 R)
• M8: 3,479,796 km (0.068 R)
• M9: 3,971,375 km (0.082 R)
• M10: 4,374,691 km (0.096 R)
• M11: 6,589,786 km (0.037 R)
• M12: 8,597,240 km (0.092 R)
• M13: 10,771,047 km (0.087 R)
• M14: 11,267,861 km (0.071 R)
• M15: 11,928,934 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.9

Radius: 9.6

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.85 AU - 2.01 AU

Year: 1759 Days

Day: 10 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,768,404 km

• M1: 119,379 km (0.081 R)
• M2: 593,455 km (0.054 R)
• M3: 984,803 km (0.036 R)
• M4: 1,283,550 km (0.1 R)
• M5: 1,796,521 km (0.114 R)
• M6: 2,154,808 km (0.097 R)
• M7: 3,002,429 km (0.1 R)
• M8: 3,378,668 km (0.096 R)
• M9: 4,169,891 km (0.114 R)
• M10: 4,559,145 km (0.115 R)
• M11: 4,993,727 km (0.116 R)
• M12: 5,433,395 km (0.089 R)
• M13: 6,190,210 km (0.118 R)
• M14: 6,594,274 km (0.067 R)
• M15: 6,962,285 km (0.055 R)
• M16: 8,208,734 km (0.068 R)
• M17: 8,542,338 km (0.105 R)
• M18: 10,991,554 km (0.12 R)
• M19: 11,397,413 km (0.093 R)
• M20: 11,736,851 km (0.112 R)
• M21: 12,515,507 km (0.05 R)
• M22: 14,878,855 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 12.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.54 AU - 2.5 AU

Year: 1883 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 136.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,768,404 km

• M1: 155,432 km (0.116 R)
• M2: 582,385 km (0.101 R)
• M3: 1,309,879 km (0.068 R)
• M4: 1,927,120 km (0.073 R)
• M5: 2,897,112 km (0.119 R)
• M6: 3,483,985 km (0.041 R)
• M7: 4,267,878 km (0.101 R)
• M8: 4,853,553 km (0.073 R)
• M9: 6,032,983 km (0.046 R)
• M10: 6,799,822 km (0.11 R)
• M11: 8,024,579 km (0.11 R)
• M12: 8,432,084 km (0.117 R)
• M13: 11,447,678 km (0.036 R)
• M14: 14,192,948 km (0.086 R)
• M15: 16,684,501 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.9

Radius: 14.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.17 AU - 4.51 AU

Year: 4936 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,768,404 km

• M1: 185,352 km (0.116 R)
• M2: 735,573 km (0.059 R)
• M3: 1,234,930 km (0.06 R)
• M4: 2,302,610 km (0.119 R)
• M5: 2,930,622 km (0.078 R)
• M6: 4,459,213 km (0.073 R)
• M7: 5,128,664 km (0.087 R)
• M8: 5,803,201 km (0.081 R)
• M9: 7,403,000 km (0.118 R)
• M10: 8,150,391 km (0.045 R)
• M11: 9,709,201 km (0.12 R)
• M12: 10,240,722 km (0.105 R)
• M13: 11,605,803 km (0.108 R)
• M14: 12,205,092 km (0.116 R)
• M15: 18,974,246 km (0.093 R)
• M16: 21,920,726 km (0.109 R)
• M17: 23,384,690 km (0.036 R)
• M18: 24,100,516 km (0.068 R)
• M19: 24,585,812 km (0.118 R)
• M20: 26,081,042 km (0.091 R)
• M21: 26,592,667 km (0.08 R)
• M22: 28,616,427 km (0.111 R)
• M23: 29,990,484 km (0.059 R)
• M24: 30,835,712 km (0.089 R)
• M25: 31,312,181 km (0.049 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 17,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit