🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 8.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 7.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,930,395 km

• M1: 110,702 km (0.042 R)
• M2: 414,984 km (0.074 R)
• M3: 707,748 km (0.114 R)
• M4: 1,400,984 km (0.05 R)
• M5: 2,000,273 km (0.062 R)
• M6: 2,376,661 km (0.091 R)
• M7: 2,999,288 km (0.071 R)
• M8: 4,234,817 km (0.108 R)
• M9: 4,802,540 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.7

Radius: 9.4

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.65 AU - 0.87 AU

Year: 449 Days

Day: 6.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,930,395 km

• M1: 116,836 km (0.1 R)
• M2: 441,912 km (0.094 R)
• M3: 901,327 km (0.063 R)
• M4: 1,225,506 km (0.079 R)
• M5: 1,521,710 km (0.03 R)
• M6: 2,084,347 km (0.087 R)
• M7: 2,532,542 km (0.108 R)
• M8: 3,241,187 km (0.026 R)
• M9: 3,572,098 km (0.031 R)
• M10: 4,160,167 km (0.098 R)
• M11: 4,718,915 km (0.056 R)
• M12: 5,495,179 km (0.114 R)
• M13: 5,932,004 km (0.069 R)
• M14: 6,335,470 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.8

Radius: 9.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.76 AU - 1.1 AU

Year: 608 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,930,395 km

• M1: 121,922 km (0.07 R)
• M2: 445,353 km (0.09 R)
• M3: 1,852,022 km (0.06 R)
• M4: 2,215,993 km (0.064 R)
• M5: 2,690,667 km (0.114 R)
• M6: 3,263,178 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.6

Radius: 10.6

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.22 AU - 1.26 AU

Year: 937 Days

Day: 13.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,930,395 km

• M1: 131,796 km (0.05 R)
• M2: 506,538 km (0.078 R)
• M3: 844,779 km (0.055 R)
• M4: 1,415,196 km (0.067 R)
• M5: 3,169,530 km (0.095 R)
• M6: 3,598,278 km (0.107 R)
• M7: 4,097,037 km (0.074 R)
• M8: 4,904,716 km (0.084 R)
• M9: 5,956,987 km (0.081 R)
• M10: 6,332,179 km (0.095 R)
• M11: 7,015,691 km (0.078 R)
• M12: 7,553,944 km (0.075 R)
• M13: 8,739,807 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.2

Radius: 9.8

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.13 AU - 1.73 AU

Year: 1160 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,930,395 km

• M1: 121,922 km (0.106 R)
• M2: 493,075 km (0.116 R)
• M3: 923,318 km (0.108 R)
• M4: 1,290,132 km (0.081 R)
• M5: 1,608,626 km (0.079 R)
• M6: 1,929,663 km (0.055 R)
• M7: 2,282,415 km (0.098 R)
• M8: 2,994,800 km (0.095 R)
• M9: 3,516,896 km (0.089 R)
• M10: 3,881,466 km (0.049 R)
• M11: 4,576,049 km (0.081 R)
• M12: 5,330,920 km (0.071 R)
• M13: 6,325,596 km (0.065 R)
• M14: 7,337,476 km (0.092 R)
• M15: 7,935,718 km (0.119 R)
• M16: 8,907,805 km (0.085 R)
• M17: 9,288,532 km (0.113 R)
• M18: 10,367,731 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 9.1

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.43 AU - 2.31 AU

Year: 1734 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,930,395 km

• M1: 113,844 km (0.07 R)
• M2: 440,865 km (0.052 R)
• M3: 847,472 km (0.041 R)
• M4: 1,250,937 km (0.117 R)
• M5: 2,819,621 km (0.08 R)
• M6: 3,855,137 km (0.061 R)
• M7: 4,163,758 km (0.053 R)
• M8: 5,613,511 km (0.118 R)
• M9: 7,567,707 km (0.108 R)
• M10: 8,651,993 km (0.096 R)
• M11: 9,151,650 km (0.089 R)
• M12: 12,174,275 km (0.057 R)
• M13: 12,485,588 km (0.104 R)
• M14: 13,533,970 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 13.1

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.43 AU - 3.65 AU

Year: 3595 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,930,395 km

• M1: 163,062 km (0.108 R)
• M2: 723,306 km (0.084 R)
• M3: 1,451,249 km (0.074 R)
• M4: 2,554,832 km (0.089 R)
• M5: 4,285,081 km (0.04 R)
• M6: 6,399,348 km (0.076 R)
• M7: 13,002,149 km (0.094 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: 428 - 11,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit