🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 13.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.43 AU - 0.65 AU

Year: 269 Days

Day: 9.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,521,384 km

• M1: 173,982 km (0.116 R)
• M2: 597,793 km (0.048 R)
• M3: 1,220,719 km (0.088 R)
• M4: 1,768,995 km (0.114 R)
• M5: 2,249,802 km (0.079 R)
• M6: 3,266,320 km (0.11 R)
• M7: 3,707,185 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 13.1

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,521,384 km

• M1: 162,912 km (0.096 R)
• M2: 731,085 km (0.099 R)
• M3: 1,194,838 km (0.112 R)
• M4: 1,637,648 km (0.058 R)
• M5: 2,254,739 km (0.062 R)
• M6: 2,820,518 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 11.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.05 AU - 2.87 AU

Year: 2617 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,521,384 km

• M1: 146,905 km (0.099 R)
• M2: 547,229 km (0.114 R)
• M3: 1,398,291 km (0.091 R)
• M4: 2,211,505 km (0.091 R)
• M5: 2,605,097 km (0.07 R)
• M6: 3,782,732 km (0.09 R)
• M7: 4,213,274 km (0.077 R)
• M8: 5,084,981 km (0.077 R)
• M9: 5,493,832 km (0.054 R)
• M10: 5,949,208 km (0.098 R)
• M11: 7,213,011 km (0.077 R)
• M12: 7,760,090 km (0.116 R)
• M13: 8,365,663 km (0.096 R)
• M14: 8,743,846 km (0.09 R)
• M15: 9,569,028 km (0.065 R)
• M16: 11,605,055 km (0.09 R)
• M17: 12,724,795 km (0.1 R)
• M18: 13,697,331 km (0.113 R)
• M19: 14,492,443 km (0.112 R)
• M20: 14,993,447 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.2

Radius: 8

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.51 AU - 7.81 AU

Year: 14379 Days

Day: 22.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,521,384 km

• M1: 99,931 km (0.115 R)
• M2: 401,820 km (0.104 R)
• M3: 785,987 km (0.103 R)
• M4: 1,149,510 km (0.116 R)
• M5: 2,127,132 km (0.051 R)
• M6: 2,376,362 km (0.083 R)
• M7: 2,776,088 km (0.057 R)
• M8: 4,554,208 km (0.089 R)
• M9: 5,663,327 km (0.117 R)
• M10: 8,934,583 km (0.087 R)
• M11: 9,589,523 km (0.107 R)
• M12: 10,658,848 km (0.109 R)
• M13: 11,395,319 km (0.026 R)
• M14: 11,805,666 km (0.111 R)
• M15: 12,347,659 km (0.098 R)
• M16: 12,969,238 km (0.062 R)
• M17: 16,246,927 km (0.075 R)
• M18: 19,702,040 km (0.089 R)
• M19: 20,293,550 km (0.098 R)
• M20: 21,071,159 km (0.104 R)
• M21: 22,138,839 km (0.104 R)
• M22: 24,769,667 km (0.03 R)
• M23: 28,023,421 km (0.109 R)
• M24: 30,981,569 km (0.117 R)
• M25: 47,112,409 km (0.099 R)
• M26: 51,913,453 km (0.027 R)
• M27: 55,011,625 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 17,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit