🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 12.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.75 AU

Year: 333 Days

Day: 13.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,166,926 km

• M1: 160,369 km (0.113 R)
• M2: 700,716 km (0.079 R)
• M3: 1,127,519 km (0.089 R)
• M4: 1,858,006 km (0.11 R)
• M5: 2,346,592 km (0.103 R)
• M6: 3,018,137 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.7

Radius: 10.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.82 AU - 1.12 AU

Year: 637 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,166,926 km

• M1: 126,859 km (0.11 R)
• M2: 463,753 km (0.101 R)
• M3: 965,056 km (0.081 R)
• M4: 1,532,181 km (0.114 R)
• M5: 1,884,484 km (0.041 R)
• M6: 2,235,142 km (0.108 R)
• M7: 2,800,023 km (0.109 R)
• M8: 3,187,931 km (0.063 R)
• M9: 3,598,577 km (0.095 R)
• M10: 4,072,652 km (0.063 R)
• M11: 5,146,316 km (0.057 R)
• M12: 5,502,808 km (0.098 R)
• M13: 6,437,645 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 14.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.79 AU - 1.23 AU

Year: 677 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,166,926 km

• M1: 184,005 km (0.1 R)
• M2: 655,388 km (0.057 R)
• M3: 1,159,533 km (0.075 R)
• M4: 1,651,560 km (0.112 R)
• M5: 2,372,173 km (0.1 R)
• M6: 3,296,688 km (0.115 R)
• M7: 4,184,851 km (0.101 R)
• M8: 4,900,677 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.3

Radius: 10.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.92 AU - 1.36 AU

Year: 812 Days

Day: 9.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,166,926 km

• M1: 126,111 km (0.118 R)
• M2: 441,613 km (0.102 R)
• M3: 775,515 km (0.063 R)
• M4: 1,234,182 km (0.063 R)
• M5: 1,825,842 km (0.057 R)
• M6: 2,329,239 km (0.109 R)
• M7: 2,757,089 km (0.079 R)
• M8: 3,108,943 km (0.075 R)
• M9: 3,436,263 km (0.051 R)
• M10: 3,993,216 km (0.11 R)
• M11: 4,626,165 km (0.119 R)
• M12: 5,398,090 km (0.11 R)
• M13: 5,912,856 km (0.116 R)
• M14: 6,418,497 km (0.097 R)
• M15: 6,996,692 km (0.109 R)
• M16: 7,332,689 km (0.095 R)
• M17: 7,656,120 km (0.082 R)
• M18: 8,085,915 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.3

Radius: 8.2

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.04 AU - 1.64 AU

Year: 1034 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,166,926 km

• M1: 102,026 km (0.095 R)
• M2: 363,373 km (0.112 R)
• M3: 663,915 km (0.054 R)
• M4: 1,431,352 km (0.103 R)
• M5: 2,128,628 km (0.109 R)
• M6: 2,452,807 km (0.099 R)
• M7: 2,848,643 km (0.089 R)
• M8: 4,211,629 km (0.104 R)
• M9: 5,709,104 km (0.077 R)
• M10: 6,051,084 km (0.036 R)
• M11: 7,086,451 km (0.09 R)
• M12: 7,431,573 km (0.111 R)
• M13: 7,891,587 km (0.071 R)
• M14: 8,155,328 km (0.103 R)
• M15: 9,010,729 km (0.109 R)
• M16: 9,445,460 km (0.046 R)
• M17: 9,863,736 km (0.117 R)
• M18: 10,451,057 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 14

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.85 AU - 2.25 AU

Year: 1957 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,166,926 km

• M1: 174,431 km (0.11 R)
• M2: 625,020 km (0.032 R)
• M3: 1,824,047 km (0.043 R)
• M4: 3,493,559 km (0.105 R)
• M5: 4,405,508 km (0.098 R)
• M6: 5,547,538 km (0.069 R)
• M7: 6,548,796 km (0.04 R)
• M8: 7,335,532 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.7

Radius: 8.1

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.74 AU - 2.56 AU

Year: 2102 Days

Day: 14.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 16,166,926 km

• M1: 100,679 km (0.109 R)
• M2: 496,665 km (0.102 R)
• M3: 754,721 km (0.084 R)
• M4: 1,017,565 km (0.086 R)
• M5: 1,316,760 km (0.105 R)
• M6: 1,674,748 km (0.111 R)
• M7: 2,002,517 km (0.08 R)
• M8: 2,257,133 km (0.059 R)
• M9: 2,862,256 km (0.106 R)
• M10: 3,366,999 km (0.079 R)
• M11: 4,079,833 km (0.026 R)
• M12: 4,411,940 km (0.105 R)
• M13: 4,761,850 km (0.061 R)
• M14: 6,097,460 km (0.118 R)
• M15: 6,878,660 km (0.116 R)
• M16: 7,842,818 km (0.039 R)
• M17: 8,766,136 km (0.112 R)
• M18: 10,391,218 km (0.116 R)
• M19: 11,199,345 km (0.096 R)
• M20: 11,580,371 km (0.104 R)
• M21: 12,611,250 km (0.115 R)
• M22: 13,233,278 km (0.115 R)
• M23: 13,659,183 km (0.09 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: 512 - 13,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit