🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 14.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.73 AU - 0.81 AU

Year: 430 Days

Day: 7.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,700,833 km

• M1: 181,163 km (0.12 R)
• M2: 802,443 km (0.115 R)
• M3: 1,357,002 km (0.108 R)
• M4: 1,932,505 km (0.112 R)
• M5: 2,454,303 km (0.056 R)
• M6: 2,979,391 km (0.086 R)
• M7: 3,489,071 km (0.106 R)
• M8: 4,221,502 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 13.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.8 AU - 1.12 AU

Year: 598 Days

Day: 14.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,700,833 km

• M1: 167,849 km (0.043 R)
• M2: 631,453 km (0.113 R)
• M3: 1,428,660 km (0.097 R)
• M4: 1,975,889 km (0.119 R)
• M5: 2,413,911 km (0.096 R)
• M6: 2,938,701 km (0.036 R)
• M7: 3,491,315 km (0.117 R)
• M8: 4,099,580 km (0.065 R)
• M9: 4,543,886 km (0.073 R)
• M10: 5,191,645 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 11.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.73 AU - 2.55 AU

Year: 1990 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,700,833 km

• M1: 151,692 km (0.102 R)
• M2: 630,405 km (0.06 R)
• M3: 1,183,020 km (0.096 R)
• M4: 1,965,716 km (0.11 R)
• M5: 2,548,849 km (0.096 R)
• M6: 3,277,689 km (0.076 R)
• M7: 6,419,394 km (0.116 R)
• M8: 8,319,138 km (0.09 R)
• M9: 9,195,332 km (0.087 R)
• M10: 12,113,837 km (0.046 R)
• M11: 16,134,130 km (0.067 R)
• M12: 16,579,633 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 8

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.67 AU - 8.93 AU

Year: 13851 Days

Day: 16 Hours

Environment

Temp: -233 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,700,833 km

• M1: 99,632 km (0.06 R)
• M2: 602,131 km (0.04 R)
• M3: 1,377,946 km (0.098 R)
• M4: 1,935,497 km (0.103 R)
• M5: 2,702,186 km (0.119 R)
• M6: 3,629,693 km (0.105 R)
• M7: 4,754,819 km (0.081 R)
• M8: 5,787,343 km (0.112 R)
• M9: 6,458,140 km (0.09 R)
• M10: 6,962,135 km (0.116 R)
• M11: 7,628,594 km (0.055 R)
• M12: 11,553,444 km (0.106 R)
• M13: 13,876,549 km (0.062 R)
• M14: 18,164,473 km (0.083 R)
• M15: 19,167,826 km (0.118 R)
• M16: 25,049,266 km (0.112 R)
• M17: 25,768,981 km (0.112 R)
• M18: 48,393,415 km (0.105 R)
• M19: 57,981,592 km (0.069 R)
• M20: 59,602,634 km (0.09 R)
• M21: 60,884,239 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.4

Radius: 7.9

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.48 AU - 9.42 AU

Year: 17024 Days

Day: 24.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,700,833 km

• M1: 98,286 km (0.091 R)
• M2: 947,703 km (0.074 R)
• M3: 1,475,933 km (0.12 R)
• M4: 2,064,750 km (0.119 R)
• M5: 5,037,708 km (0.119 R)
• M6: 5,692,947 km (0.071 R)
• M7: 6,623,595 km (0.07 R)
• M8: 7,899,964 km (0.119 R)
• M9: 8,464,397 km (0.085 R)
• M10: 11,762,731 km (0.078 R)
• M11: 13,623,130 km (0.051 R)
• M12: 18,443,323 km (0.117 R)
• M13: 27,284,108 km (0.043 R)
• M14: 32,157,109 km (0.051 R)
• M15: 43,740,473 km (0.025 R)
• M16: 48,652,070 km (0.076 R)
• M17: 50,541,341 km (0.116 R)
• M18: 51,416,040 km (0.075 R)
• M19: 55,385,021 km (0.057 R)
• M20: 66,399,613 km (0.059 R)
• M21: 70,011,355 km (0.096 R)
• M22: 73,305,201 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 20,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit