🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224

Radius: 10.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.6 AU - 0.8 AU

Year: 384 Days

Day: 6.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,768,230 km

• M1: 127,308 km (0.102 R)
• M2: 559,496 km (0.115 R)
• M3: 1,039,705 km (0.098 R)
• M4: 1,605,036 km (0.105 R)
• M5: 2,257,282 km (0.063 R)
• M6: 2,891,876 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.9

Radius: 10.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.08 AU - 1.5 AU

Year: 961 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,768,230 km

• M1: 126,859 km (0.07 R)
• M2: 557,402 km (0.12 R)
• M3: 920,476 km (0.1 R)
• M4: 1,246,150 km (0.102 R)
• M5: 1,731,895 km (0.112 R)
• M6: 2,300,366 km (0.07 R)
• M7: 2,707,572 km (0.112 R)
• M8: 3,188,080 km (0.049 R)
• M9: 3,585,263 km (0.078 R)
• M10: 4,227,636 km (0.108 R)
• M11: 5,779,564 km (0.037 R)
• M12: 7,383,253 km (0.103 R)
• M13: 7,962,496 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.9

Radius: 9

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.13 AU - 2.35 AU

Year: 2199 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,768,230 km

• M1: 111,899 km (0.099 R)
• M2: 482,304 km (0.087 R)
• M3: 898,036 km (0.107 R)
• M4: 1,466,508 km (0.108 R)
• M5: 2,077,914 km (0.036 R)
• M6: 3,995,759 km (0.056 R)
• M7: 4,340,732 km (0.089 R)
• M8: 4,794,163 km (0.096 R)
• M9: 5,695,041 km (0.109 R)
• M10: 6,960,490 km (0.115 R)
• M11: 9,213,434 km (0.097 R)
• M12: 10,638,503 km (0.076 R)
• M13: 11,026,410 km (0.086 R)
• M14: 11,625,999 km (0.119 R)
• M15: 12,846,568 km (0.101 R)
• M16: 13,736,824 km (0.118 R)
• M17: 15,639,859 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.9

Radius: 13.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.12 AU - 3.16 AU

Year: 3650 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,768,230 km

• M1: 165,156 km (0.083 R)
• M2: 609,761 km (0.11 R)
• M3: 1,174,194 km (0.034 R)
• M4: 1,774,829 km (0.095 R)
• M5: 2,873,326 km (0.047 R)
• M6: 4,000,696 km (0.095 R)
• M7: 6,577,220 km (0.086 R)
• M8: 7,252,206 km (0.115 R)
• M9: 8,122,716 km (0.088 R)
• M10: 8,677,724 km (0.096 R)
• M11: 10,037,120 km (0.092 R)
• M12: 11,343,857 km (0.118 R)
• M13: 15,012,296 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 14.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.33 AU - 4.73 AU

Year: 6325 Days

Day: 8.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,768,230 km

• M1: 184,005 km (0.118 R)
• M2: 1,040,304 km (0.104 R)
• M3: 2,255,936 km (0.12 R)
• M4: 3,266,021 km (0.084 R)
• M5: 3,757,749 km (0.117 R)
• M6: 5,965,215 km (0.054 R)
• M7: 6,582,456 km (0.062 R)
• M8: 8,843,628 km (0.105 R)
• M9: 11,475,503 km (0.104 R)
• M10: 13,284,889 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790

Radius: 10.1

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.4 AU - 5.28 AU

Year: 6985 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,768,230 km

• M1: 125,662 km (0.028 R)
• M2: 450,738 km (0.059 R)
• M3: 851,361 km (0.027 R)
• M4: 1,255,874 km (0.047 R)
• M5: 1,595,461 km (0.118 R)
• M6: 2,273,140 km (0.066 R)
• M7: 2,669,275 km (0.098 R)
• M8: 3,027,412 km (0.059 R)
• M9: 3,555,044 km (0.076 R)
• M10: 7,090,341 km (0.042 R)
• M11: 7,585,809 km (0.067 R)
• M12: 10,661,541 km (0.099 R)
• M13: 11,674,019 km (0.111 R)
• M14: 12,257,451 km (0.088 R)
• M15: 13,197,375 km (0.093 R)
• M16: 15,033,988 km (0.115 R)
• M17: 17,994,679 km (0.114 R)
• M18: 20,171,478 km (0.115 R)
• M19: 20,780,491 km (0.114 R)
• M20: 28,311,397 km (0.114 R)
• M21: 30,344,582 km (0.025 R)
• M22: 31,346,289 km (0.093 R)
• M23: 34,053,562 km (0.064 R)
• M24: 36,913,125 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.6

Radius: 4.6

Gravity: 47.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.91 AU - 9.91 AU

Year: 17447 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,768,230 km

• M1: 57,146 km (0.055 R)
• M2: 479,012 km (0.07 R)
• M3: 677,529 km (0.106 R)
• M4: 1,623,735 km (0.118 R)
• M5: 1,937,442 km (0.112 R)
• M6: 3,979,902 km (0.115 R)
• M7: 4,342,228 km (0.043 R)
• M8: 6,900,202 km (0.103 R)
• M9: 9,488,544 km (0.115 R)
• M10: 10,014,680 km (0.087 R)
• M11: 10,194,197 km (0.098 R)
• M12: 10,621,598 km (0.108 R)
• M13: 11,382,004 km (0.104 R)
• M14: 17,229,336 km (0.105 R)
• M15: 18,011,135 km (0.095 R)
• M16: 20,594,241 km (0.095 R)
• M17: 21,873,303 km (0.108 R)
• M18: 25,245,837 km (0.038 R)
• M19: 33,931,939 km (0.066 R)
• M20: 40,812,393 km (0.112 R)
• M21: 60,552,581 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 11,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit