🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.44 AU - 0.6 AU

Year: 246 Days

Day: 20.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.4

Radius: 9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.52 AU - 0.84 AU

Year: 368 Days

Day: 5.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,683,903 km

• M1: 111,899 km (0.064 R)
• M2: 881,281 km (0.082 R)
• M3: 1,599,949 km (0.027 R)
• M4: 2,407,927 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 12.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.97 AU - 1.39 AU

Year: 841 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,683,903 km

• M1: 154,235 km (0.114 R)
• M2: 644,318 km (0.105 R)
• M3: 1,099,844 km (0.105 R)
• M4: 1,603,240 km (0.105 R)
• M5: 2,076,119 km (0.105 R)
• M6: 2,651,024 km (0.104 R)
• M7: 3,118,068 km (0.074 R)
• M8: 3,751,167 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 12.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.62 AU - 1.74 AU

Year: 1428 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,683,903 km

• M1: 150,495 km (0.09 R)
• M2: 533,167 km (0.088 R)
• M3: 933,042 km (0.061 R)
• M4: 1,470,098 km (0.115 R)
• M5: 2,242,322 km (0.084 R)
• M6: 3,016,940 km (0.05 R)
• M7: 4,012,065 km (0.069 R)
• M8: 4,960,217 km (0.081 R)
• M9: 5,456,732 km (0.062 R)
• M10: 6,252,443 km (0.111 R)
• M11: 7,001,779 km (0.051 R)
• M12: 9,166,909 km (0.076 R)
• M13: 9,824,990 km (0.052 R)
• M14: 11,269,058 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 12.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.81 AU - 3.09 AU

Year: 3324 Days

Day: 10 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,683,903 km

• M1: 154,535 km (0.104 R)
• M2: 658,679 km (0.05 R)
• M3: 2,976,250 km (0.117 R)
• M4: 4,079,235 km (0.102 R)
• M5: 5,592,567 km (0.056 R)
• M6: 6,116,459 km (0.12 R)
• M7: 7,009,408 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953

Radius: 7.2

Gravity: 18.38 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.64 AU - 10.9 AU

Year: 18515 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,683,903 km

• M1: 91,105 km (0.097 R)
• M2: 320,289 km (0.103 R)
• M3: 608,115 km (0.076 R)
• M4: 924,515 km (0.073 R)
• M5: 1,217,727 km (0.104 R)
• M6: 1,489,845 km (0.067 R)
• M7: 2,179,641 km (0.08 R)
• M8: 2,656,858 km (0.115 R)
• M9: 2,907,584 km (0.042 R)
• M10: 5,933,650 km (0.108 R)
• M11: 6,769,304 km (0.032 R)
• M12: 10,346,189 km (0.046 R)
• M13: 11,098,068 km (0.093 R)
• M14: 12,709,835 km (0.111 R)
• M15: 14,471,948 km (0.071 R)
• M16: 15,251,952 km (0.116 R)
• M17: 17,152,144 km (0.112 R)
• M18: 20,921,113 km (0.071 R)
• M19: 21,216,868 km (0.102 R)
• M20: 21,515,315 km (0.038 R)
• M21: 23,897,811 km (0.065 R)
• M22: 32,748,320 km (0.074 R)
• M23: 33,954,528 km (0.07 R)
• M24: 38,483,005 km (0.108 R)
• M25: 46,005,983 km (0.094 R)
• M26: 52,795,931 km (0.061 R)
• M27: 54,638,678 km (0.101 R)
• M28: 57,869,094 km (0.079 R)
• M29: 58,452,077 km (0.084 R)
• M30: 66,603,515 km (0.066 R)
• M31: 67,888,112 km (0.103 R)
• M32: 70,949,483 km (0.081 R)
• M33: 74,330,395 km (0.057 R)
• M34: 80,442,365 km (0.087 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: 165 - 18,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit