🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 14.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.47 AU - 0.63 AU

Year: 282 Days

Day: 8.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,105,286 km

• M1: 184,005 km (0.101 R)
• M2: 662,719 km (0.057 R)
• M3: 1,138,440 km (0.062 R)
• M4: 1,665,922 km (0.119 R)
• M5: 2,239,480 km (0.107 R)
• M6: 2,753,199 km (0.105 R)
• M7: 3,297,586 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 8.4

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.61 AU - 0.71 AU

Year: 370 Days

Day: 13.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,105,286 km

• M1: 105,167 km (0.119 R)
• M2: 383,419 km (0.091 R)
• M3: 745,297 km (0.09 R)
• M4: 1,053,468 km (0.042 R)
• M5: 1,561,652 km (0.119 R)
• M6: 1,846,786 km (0.083 R)
• M7: 2,142,242 km (0.09 R)
• M8: 2,415,557 km (0.119 R)
• M9: 2,790,150 km (0.062 R)
• M10: 3,192,419 km (0.097 R)
• M11: 3,585,861 km (0.115 R)
• M12: 4,177,969 km (0.074 R)
• M13: 4,470,433 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 15

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.77 AU - 0.85 AU

Year: 503 Days

Day: 11.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,105,286 km

• M1: 186,698 km (0.084 R)
• M2: 710,440 km (0.1 R)
• M3: 1,183,170 km (0.098 R)
• M4: 2,064,600 km (0.049 R)
• M5: 3,161,901 km (0.096 R)
• M6: 3,788,716 km (0.075 R)
• M7: 4,273,712 km (0.118 R)
• M8: 4,899,330 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 10.8

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.75 AU - 1.13 AU

Year: 629 Days

Day: 8.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,105,286 km

• M1: 134,488 km (0.028 R)
• M2: 523,293 km (0.111 R)
• M3: 935,884 km (0.099 R)
• M4: 1,300,305 km (0.08 R)
• M5: 1,761,216 km (0.063 R)
• M6: 2,223,922 km (0.117 R)
• M7: 2,778,182 km (0.107 R)
• M8: 3,209,622 km (0.078 R)
• M9: 3,565,516 km (0.027 R)
• M10: 4,373,045 km (0.119 R)
• M11: 4,731,631 km (0.111 R)
• M12: 5,280,805 km (0.111 R)
• M13: 5,927,965 km (0.079 R)
• M14: 6,810,293 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 12.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.13 AU - 1.79 AU

Year: 1218 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,105,286 km

• M1: 159,471 km (0.119 R)
• M2: 615,296 km (0.036 R)
• M3: 1,251,985 km (0.12 R)
• M4: 2,166,177 km (0.05 R)
• M5: 4,000,696 km (0.099 R)
• M6: 4,878,835 km (0.08 R)
• M7: 5,485,156 km (0.041 R)
• M8: 6,032,085 km (0.084 R)
• M9: 6,592,180 km (0.06 R)
• M10: 7,484,681 km (0.111 R)
• M11: 7,973,417 km (0.1 R)
• M12: 8,649,001 km (0.106 R)
• M13: 9,362,433 km (0.058 R)
• M14: 10,022,459 km (0.111 R)
• M15: 11,070,542 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 14.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.14 AU - 2.86 AU

Year: 2728 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,105,286 km

• M1: 180,265 km (0.11 R)
• M2: 813,214 km (0.03 R)
• M3: 1,312,123 km (0.077 R)
• M4: 1,778,868 km (0.096 R)
• M5: 2,459,987 km (0.069 R)
• M6: 3,515,251 km (0.088 R)
• M7: 4,243,493 km (0.108 R)
• M8: 5,733,189 km (0.099 R)
• M9: 6,281,615 km (0.07 R)
• M10: 6,745,667 km (0.1 R)
• M11: 7,326,406 km (0.042 R)
• M12: 7,808,261 km (0.12 R)
• M13: 10,108,478 km (0.095 R)
• M14: 11,542,224 km (0.109 R)
• M15: 15,323,759 km (0.045 R)
• M16: 17,665,115 km (0.115 R)
• M17: 18,535,326 km (0.115 R)
• M18: 21,318,145 km (0.106 R)
• M19: 22,105,030 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.8

Radius: 11.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.7 AU - 3.04 AU

Year: 3356 Days

Day: 12 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,105,286 km

• M1: 151,543 km (0.056 R)
• M2: 588,368 km (0.029 R)
• M3: 1,384,977 km (0.084 R)
• M4: 1,754,633 km (0.103 R)
• M5: 2,436,650 km (0.098 R)
• M6: 3,150,830 km (0.087 R)
• M7: 4,019,844 km (0.108 R)
• M8: 4,631,550 km (0.082 R)
• M9: 5,018,560 km (0.097 R)
• M10: 5,780,163 km (0.108 R)
• M11: 6,421,489 km (0.117 R)
• M12: 6,933,263 km (0.101 R)
• M13: 9,837,706 km (0.1 R)
• M14: 12,316,991 km (0.107 R)
• M15: 14,121,889 km (0.12 R)
• M16: 15,789,457 km (0.053 R)
• M17: 16,618,229 km (0.085 R)
• M18: 17,694,436 km (0.118 R)
• M19: 19,336,871 km (0.082 R)
• M20: 19,985,827 km (0.058 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 14,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit