🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.1

Radius: 12.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.52 AU - 0.74 AU

Year: 339 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,071,885 km

• M1: 157,975 km (0.111 R)
• M2: 679,174 km (0.073 R)
• M3: 1,135,897 km (0.09 R)
• M4: 1,595,012 km (0.116 R)
• M5: 2,121,298 km (0.063 R)
• M6: 2,659,850 km (0.12 R)
• M7: 3,239,991 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 11.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.39 AU - 1.39 AU

Year: 1112 Days

Day: 12.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,071,885 km

• M1: 143,016 km (0.075 R)
• M2: 540,946 km (0.085 R)
• M3: 955,930 km (0.047 R)
• M4: 1,372,710 km (0.052 R)
• M5: 1,814,173 km (0.104 R)
• M6: 2,329,688 km (0.07 R)
• M7: 3,078,724 km (0.115 R)
• M8: 3,672,329 km (0.082 R)
• M9: 4,058,141 km (0.076 R)
• M10: 4,859,687 km (0.099 R)
• M11: 5,326,283 km (0.033 R)
• M12: 5,961,475 km (0.036 R)
• M13: 6,711,409 km (0.069 R)
• M14: 7,523,127 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 10.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.73 AU - 4.49 AU

Year: 4652 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,071,885 km

• M1: 131,796 km (0.115 R)
• M2: 480,508 km (0.096 R)
• M3: 877,990 km (0.08 R)
• M4: 1,303,596 km (0.085 R)
• M5: 2,190,711 km (0.084 R)
• M6: 3,440,302 km (0.108 R)
• M7: 4,403,862 km (0.12 R)
• M8: 5,350,069 km (0.12 R)
• M9: 7,574,290 km (0.107 R)
• M10: 9,080,142 km (0.112 R)
• M11: 11,035,237 km (0.114 R)
• M12: 11,927,289 km (0.089 R)
• M13: 12,344,068 km (0.115 R)
• M14: 13,653,199 km (0.088 R)
• M15: 15,759,687 km (0.111 R)
• M16: 16,262,037 km (0.11 R)
• M17: 18,195,739 km (0.11 R)
• M18: 19,123,395 km (0.107 R)
• M19: 21,478,514 km (0.04 R)
• M20: 22,444,468 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.4

Radius: 7.2

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.82 AU - 9.08 AU

Year: 13792 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,071,885 km

• M1: 89,759 km (0.102 R)
• M2: 347,516 km (0.107 R)
• M3: 632,799 km (0.084 R)
• M4: 1,001,109 km (0.117 R)
• M5: 2,590,886 km (0.092 R)
• M6: 3,796,794 km (0.091 R)
• M7: 4,319,190 km (0.11 R)
• M8: 7,674,670 km (0.113 R)
• M9: 10,775,834 km (0.118 R)
• M10: 13,294,464 km (0.106 R)
• M11: 15,020,374 km (0.072 R)
• M12: 20,261,984 km (0.091 R)
• M13: 23,784,117 km (0.044 R)
• M14: 25,168,495 km (0.077 R)
• M15: 26,024,494 km (0.098 R)
• M16: 35,205,764 km (0.108 R)
• M17: 37,123,011 km (0.103 R)
• M18: 37,859,631 km (0.114 R)
• M19: 40,256,338 km (0.11 R)
• M20: 40,773,498 km (0.086 R)
• M21: 41,557,540 km (0.039 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 15,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit