🌌 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 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 9.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 11.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,646,155 km

• M1: 113,096 km (0.046 R)
• M2: 511,924 km (0.117 R)
• M3: 853,456 km (0.058 R)
• M4: 1,528,890 km (0.059 R)
• M5: 2,126,983 km (0.119 R)
• M6: 2,436,949 km (0.081 R)
• M7: 2,725,374 km (0.12 R)
• M8: 3,431,775 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 10.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 10.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,646,155 km

• M1: 126,859 km (0.078 R)
• M2: 594,951 km (0.108 R)
• M3: 1,116,449 km (0.101 R)
• M4: 1,558,062 km (0.07 R)
• M5: 2,005,210 km (0.097 R)
• M6: 3,004,972 km (0.086 R)
• M7: 3,372,684 km (0.095 R)
• M8: 3,736,955 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 12.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.7 AU - 0.8 AU

Year: 433 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,646,155 km

• M1: 165,904 km (0.103 R)
• M2: 653,294 km (0.089 R)
• M3: 1,196,334 km (0.056 R)
• M4: 1,606,980 km (0.088 R)
• M5: 2,080,308 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.5

Radius: 9.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.68 AU - 0.92 AU

Year: 477 Days

Day: 10.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,646,155 km

• M1: 113,096 km (0.115 R)
• M2: 415,882 km (0.114 R)
• M3: 699,819 km (0.038 R)
• M4: 1,126,921 km (0.104 R)
• M5: 1,429,856 km (0.094 R)
• M6: 1,737,130 km (0.099 R)
• M7: 2,163,185 km (0.105 R)
• M8: 2,591,035 km (0.096 R)
• M9: 3,406,643 km (0.1 R)
• M10: 3,849,303 km (0.06 R)
• M11: 4,938,076 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.5

Radius: 12.4

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.71 AU - 0.91 AU

Year: 486 Days

Day: 8.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,646,155 km

• M1: 154,235 km (0.102 R)
• M2: 597,793 km (0.12 R)
• M3: 1,019,210 km (0.088 R)
• M4: 1,654,852 km (0.087 R)
• M5: 2,122,794 km (0.088 R)
• M6: 2,775,489 km (0.077 R)
• M7: 3,233,708 km (0.053 R)
• M8: 3,676,068 km (0.074 R)
• M9: 4,621,527 km (0.059 R)
• M10: 5,440,875 km (0.112 R)
• M11: 6,239,877 km (0.119 R)
• M12: 6,648,129 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.6

Radius: 10.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.41 AU - 3.59 AU

Year: 3465 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,646,155 km

• M1: 126,859 km (0.103 R)
• M2: 719,416 km (0.065 R)
• M3: 1,103,434 km (0.089 R)
• M4: 1,459,477 km (0.059 R)
• M5: 2,535,235 km (0.092 R)
• M6: 2,986,871 km (0.066 R)
• M7: 4,366,313 km (0.098 R)
• M8: 4,867,915 km (0.099 R)
• M9: 6,485,217 km (0.057 R)
• M10: 7,499,042 km (0.094 R)
• M11: 8,079,033 km (0.059 R)
• M12: 8,725,445 km (0.042 R)
• M13: 9,444,862 km (0.114 R)
• M14: 10,080,802 km (0.077 R)
• M15: 12,299,937 km (0.105 R)
• M16: 13,010,228 km (0.096 R)
• M17: 13,548,331 km (0.036 R)
• M18: 13,898,540 km (0.025 R)
• M19: 15,685,786 km (0.085 R)
• M20: 16,978,610 km (0.067 R)
• M21: 18,341,148 km (0.078 R)
• M22: 20,096,679 km (0.069 R)
• M23: 20,815,945 km (0.094 R)
• M24: 22,030,082 km (0.096 R)
• M25: 24,011,505 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.6

Radius: 13

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.95 AU - 5.45 AU

Year: 6795 Days

Day: 6.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,646,155 km

• M1: 162,314 km (0.095 R)
• M2: 822,639 km (0.056 R)
• M3: 1,319,304 km (0.079 R)
• M4: 2,375,016 km (0.074 R)
• M5: 3,715,562 km (0.035 R)
• M6: 4,364,817 km (0.09 R)
• M7: 5,177,134 km (0.064 R)
• M8: 6,357,311 km (0.091 R)
• M9: 9,377,991 km (0.115 R)
• M10: 11,944,941 km (0.029 R)
• M11: 12,477,210 km (0.101 R)
• M12: 13,192,887 km (0.105 R)
• M13: 14,169,761 km (0.041 R)
• M14: 15,380,307 km (0.04 R)
• M15: 15,946,983 km (0.116 R)
• M16: 29,643,117 km (0.117 R)
• M17: 30,226,848 km (0.079 R)
• M18: 31,518,027 km (0.094 R)
• M19: 38,415,686 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 11,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit