🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.3

Radius: 14.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.13 AU - 1.33 AU

Year: 942 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,435,314 km

• M1: 185,352 km (0.071 R)
• M2: 854,952 km (0.105 R)
• M3: 1,463,666 km (0.1 R)
• M4: 1,980,377 km (0.069 R)
• M5: 2,564,556 km (0.099 R)
• M6: 3,121,509 km (0.098 R)
• M7: 3,588,554 km (0.099 R)
• M8: 4,211,330 km (0.074 R)
• M9: 4,733,725 km (0.112 R)
• M10: 5,208,250 km (0.053 R)
• M11: 5,930,209 km (0.099 R)
• M12: 6,567,945 km (0.069 R)
• M13: 7,908,791 km (0.117 R)
• M14: 8,554,904 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 13.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.36 AU - 3.8 AU

Year: 3731 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,435,314 km

• M1: 170,691 km (0.058 R)
• M2: 612,902 km (0.077 R)
• M3: 1,278,912 km (0.109 R)
• M4: 1,761,216 km (0.047 R)
• M5: 2,865,547 km (0.084 R)
• M6: 4,020,144 km (0.068 R)
• M7: 5,639,241 km (0.103 R)
• M8: 6,292,834 km (0.117 R)
• M9: 6,794,286 km (0.059 R)
• M10: 7,352,436 km (0.106 R)
• M11: 9,861,791 km (0.091 R)
• M12: 10,578,963 km (0.113 R)
• M13: 11,493,305 km (0.117 R)
• M14: 13,754,776 km (0.083 R)
• M15: 18,458,582 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52

Radius: 8.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.06 AU - 3.76 AU

Year: 4347 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,435,314 km

• M1: 102,325 km (0.115 R)
• M2: 494,571 km (0.112 R)
• M3: 851,960 km (0.045 R)
• M4: 1,443,470 km (0.04 R)
• M5: 1,743,862 km (0.099 R)
• M6: 2,460,735 km (0.041 R)
• M7: 3,128,091 km (0.076 R)
• M8: 3,960,604 km (0.109 R)
• M9: 4,428,695 km (0.115 R)
• M10: 5,050,275 km (0.102 R)
• M11: 5,538,113 km (0.101 R)
• M12: 5,968,207 km (0.061 R)
• M13: 6,583,952 km (0.071 R)
• M14: 7,393,276 km (0.106 R)
• M15: 8,545,479 km (0.11 R)
• M16: 9,936,889 km (0.051 R)
• M17: 10,900,449 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100

Radius: 4.2

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.86 AU - 8.06 AU

Year: 11333 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,435,314 km

• M1: 53,257 km (0.117 R)
• M2: 196,422 km (0.055 R)
• M3: 355,893 km (0.084 R)
• M4: 495,618 km (0.049 R)
• M5: 640,578 km (0.104 R)
• M6: 1,147,565 km (0.056 R)
• M7: 1,362,089 km (0.072 R)
• M8: 4,758,858 km (0.117 R)
• M9: 4,964,854 km (0.09 R)
• M10: 6,267,702 km (0.104 R)
• M11: 6,578,417 km (0.113 R)
• M12: 8,105,063 km (0.06 R)
• M13: 8,700,463 km (0.066 R)
• M14: 9,565,886 km (0.118 R)
• M15: 10,103,541 km (0.105 R)
• M16: 12,553,505 km (0.1 R)
• M17: 13,655,892 km (0.067 R)
• M18: 14,390,268 km (0.092 R)
• M19: 15,316,728 km (0.086 R)
• M20: 18,208,754 km (0.063 R)
• M21: 19,947,978 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 14,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit