🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 14.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.86 AU - 1.26 AU

Year: 716 Days

Day: 8.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,191,079 km

• M1: 180,864 km (0.056 R)
• M2: 821,741 km (0.039 R)
• M3: 1,321,847 km (0.081 R)
• M4: 1,817,016 km (0.076 R)
• M5: 2,582,358 km (0.076 R)
• M6: 3,164,743 km (0.086 R)
• M7: 3,939,211 km (0.036 R)
• M8: 5,149,907 km (0.069 R)
• M9: 5,956,090 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 13.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.23 AU - 1.29 AU

Year: 928 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,191,079 km

• M1: 164,558 km (0.118 R)
• M2: 675,883 km (0.066 R)
• M3: 1,195,287 km (0.11 R)
• M4: 1,750,445 km (0.09 R)
• M5: 2,167,224 km (0.056 R)
• M6: 2,661,197 km (0.067 R)
• M7: 3,117,171 km (0.065 R)
• M8: 4,328,016 km (0.103 R)
• M9: 5,279,758 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.1

Radius: 6.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.56 AU - 8.94 AU

Year: 14153 Days

Day: 20.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,191,079 km

• M1: 75,846 km (0.06 R)
• M2: 300,393 km (0.112 R)
• M3: 848,519 km (0.094 R)
• M4: 1,408,913 km (0.06 R)
• M5: 2,863,752 km (0.097 R)
• M6: 3,172,672 km (0.044 R)
• M7: 5,298,158 km (0.108 R)
• M8: 5,736,181 km (0.114 R)
• M9: 17,701,018 km (0.08 R)
• M10: 20,871,745 km (0.062 R)
• M11: 25,609,959 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.7

Radius: 7.8

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.01 AU - 9.69 AU

Year: 17271 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,191,079 km

• M1: 96,939 km (0.07 R)
• M2: 362,625 km (0.088 R)
• M3: 641,775 km (0.092 R)
• M4: 954,734 km (0.039 R)
• M5: 2,283,163 km (0.081 R)
• M6: 2,906,537 km (0.096 R)
• M7: 5,170,701 km (0.119 R)
• M8: 6,079,807 km (0.102 R)
• M9: 7,544,370 km (0.074 R)
• M10: 9,283,595 km (0.062 R)
• M11: 9,661,030 km (0.102 R)
• M12: 11,153,568 km (0.08 R)
• M13: 14,302,005 km (0.074 R)
• M14: 16,623,615 km (0.064 R)
• M15: 21,621,231 km (0.064 R)
• M16: 23,953,312 km (0.087 R)
• M17: 26,771,437 km (0.093 R)
• M18: 27,758,035 km (0.069 R)
• M19: 31,947,074 km (0.09 R)
• M20: 32,683,993 km (0.094 R)
• M21: 38,575,905 km (0.092 R)
• M22: 40,830,495 km (0.083 R)
• M23: 45,600,423 km (0.116 R)
• M24: 54,122,266 km (0.069 R)
• M25: 57,663,846 km (0.105 R)
• M26: 62,685,846 km (0.106 R)
• M27: 65,598,068 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 14,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit