🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 12.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.67 AU - 0.91 AU

Year: 461 Days

Day: 14.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,780,157 km

• M1: 152,590 km (0.116 R)
• M2: 585,676 km (0.036 R)
• M3: 1,042,697 km (0.116 R)
• M4: 1,644,978 km (0.096 R)
• M5: 3,415,170 km (0.117 R)
• M6: 3,840,776 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 13.3

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.84 AU - 0.84 AU

Year: 505 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,780,157 km

• M1: 165,455 km (0.103 R)
• M2: 615,745 km (0.042 R)
• M3: 1,120,039 km (0.106 R)
• M4: 1,533,677 km (0.119 R)
• M5: 1,999,525 km (0.107 R)
• M6: 2,708,769 km (0.12 R)
• M7: 3,201,694 km (0.11 R)
• M8: 3,864,113 km (0.077 R)
• M9: 4,679,571 km (0.103 R)
• M10: 5,137,191 km (0.111 R)
• M11: 5,898,494 km (0.108 R)
• M12: 6,532,939 km (0.059 R)
• M13: 7,127,591 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 12.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.87 AU - 1.03 AU

Year: 607 Days

Day: 5 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,780,157 km

• M1: 153,039 km (0.04 R)
• M2: 642,074 km (0.104 R)
• M3: 1,048,531 km (0.062 R)
• M4: 1,578,108 km (0.066 R)
• M5: 1,971,550 km (0.106 R)
• M6: 2,802,118 km (0.062 R)
• M7: 3,994,263 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.23 AU - 3.89 AU

Year: 4406 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,780,157 km

• M1: 180,415 km (0.105 R)
• M2: 639,680 km (0.093 R)
• M3: 1,309,580 km (0.045 R)
• M4: 1,969,007 km (0.118 R)
• M5: 2,651,024 km (0.066 R)
• M6: 3,203,788 km (0.108 R)
• M7: 3,679,210 km (0.067 R)
• M8: 4,346,566 km (0.074 R)
• M9: 5,039,653 km (0.054 R)
• M10: 5,513,280 km (0.071 R)
• M11: 7,082,113 km (0.082 R)
• M12: 8,156,973 km (0.092 R)
• M13: 8,655,284 km (0.056 R)
• M14: 9,545,242 km (0.059 R)
• M15: 13,147,558 km (0.113 R)
• M16: 15,165,634 km (0.109 R)
• M17: 16,278,941 km (0.104 R)
• M18: 18,733,842 km (0.1 R)
• M19: 19,604,502 km (0.079 R)
• M20: 20,153,526 km (0.114 R)
• M21: 20,712,872 km (0.115 R)
• M22: 24,054,440 km (0.099 R)
• M23: 27,143,636 km (0.047 R)
• M24: 29,762,496 km (0.098 R)
• M25: 30,671,752 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 11.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.42 AU - 3.74 AU

Year: 4444 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,780,157 km

• M1: 149,747 km (0.097 R)
• M2: 714,031 km (0.062 R)
• M3: 1,251,685 km (0.041 R)
• M4: 1,946,119 km (0.085 R)
• M5: 2,410,919 km (0.05 R)
• M6: 2,949,322 km (0.106 R)
• M7: 3,395,273 km (0.093 R)
• M8: 7,530,906 km (0.062 R)
• M9: 8,757,011 km (0.05 R)
• M10: 13,279,653 km (0.062 R)
• M11: 13,857,251 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713

Radius: 14.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.73 AU - 3.99 AU

Year: 4975 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,780,157 km

• M1: 180,415 km (0.049 R)
• M2: 845,826 km (0.036 R)
• M3: 1,361,490 km (0.096 R)
• M4: 2,316,224 km (0.112 R)
• M5: 3,055,088 km (0.087 R)
• M6: 7,028,407 km (0.106 R)
• M7: 9,713,689 km (0.072 R)
• M8: 11,449,772 km (0.101 R)
• M9: 15,015,587 km (0.104 R)
• M10: 16,412,831 km (0.117 R)
• M11: 19,130,576 km (0.119 R)
• M12: 24,646,548 km (0.074 R)
• M13: 26,422,275 km (0.074 R)
• M14: 27,426,077 km (0.085 R)
• M15: 30,047,032 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 13.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.46 AU - 5.64 AU

Year: 7445 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,780,157 km

• M1: 162,912 km (0.09 R)
• M2: 648,208 km (0.061 R)
• M3: 1,062,444 km (0.115 R)
• M4: 1,853,069 km (0.094 R)
• M5: 2,372,921 km (0.108 R)
• M6: 2,861,807 km (0.117 R)
• M7: 3,626,103 km (0.099 R)
• M8: 5,117,444 km (0.12 R)
• M9: 7,782,231 km (0.088 R)
• M10: 8,912,144 km (0.066 R)
• M11: 10,321,655 km (0.109 R)
• M12: 13,684,166 km (0.087 R)
• M13: 14,271,936 km (0.061 R)
• M14: 16,914,732 km (0.051 R)
• M15: 17,717,175 km (0.066 R)
• M16: 19,132,820 km (0.103 R)
• M17: 20,484,137 km (0.08 R)
• M18: 23,603,552 km (0.089 R)
• M19: 24,139,711 km (0.091 R)
• M20: 24,684,097 km (0.083 R)
• M21: 25,716,772 km (0.077 R)
• M22: 26,695,291 km (0.097 R)
• M23: 29,426,200 km (0.112 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: 492 - 15,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit