🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.4

Radius: 12.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,958,433 km

• M1: 150,495 km (0.106 R)
• M2: 577,747 km (0.112 R)
• M3: 962,662 km (0.098 R)
• M4: 1,492,538 km (0.041 R)
• M5: 2,190,562 km (0.088 R)
• M6: 2,705,477 km (0.105 R)
• M7: 3,146,342 km (0.103 R)
• M8: 3,898,521 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.8

Radius: 9.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.65 AU - 1.01 AU

Year: 522 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,958,433 km

• M1: 119,678 km (0.054 R)
• M2: 473,627 km (0.115 R)
• M3: 1,065,137 km (0.096 R)
• M4: 2,173,657 km (0.115 R)
• M5: 2,963,983 km (0.067 R)
• M6: 3,300,279 km (0.074 R)
• M7: 3,784,228 km (0.069 R)
• M8: 5,211,391 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 9.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.86 AU - 0.92 AU

Year: 580 Days

Day: 10.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,958,433 km

• M1: 117,285 km (0.069 R)
• M2: 428,448 km (0.056 R)
• M3: 720,763 km (0.086 R)
• M4: 1,013,974 km (0.108 R)
• M5: 1,505,553 km (0.099 R)
• M6: 1,826,590 km (0.099 R)
• M7: 2,124,888 km (0.09 R)
• M8: 2,455,948 km (0.069 R)
• M9: 2,905,191 km (0.113 R)
• M10: 3,700,453 km (0.084 R)
• M11: 4,348,511 km (0.111 R)
• M12: 4,796,407 km (0.092 R)
• M13: 5,306,685 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 14.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.85 AU - 1.03 AU

Year: 629 Days

Day: 7.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,958,433 km

• M1: 184,305 km (0.106 R)
• M2: 710,739 km (0.034 R)
• M3: 1,215,782 km (0.081 R)
• M4: 2,158,847 km (0.09 R)
• M5: 2,636,363 km (0.086 R)
• M6: 3,138,414 km (0.119 R)
• M7: 3,653,030 km (0.086 R)
• M8: 4,886,016 km (0.082 R)
• M9: 5,918,241 km (0.097 R)
• M10: 6,612,375 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 8.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.25 AU - 1.65 AU

Year: 1205 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,958,433 km

• M1: 110,852 km (0.102 R)
• M2: 414,984 km (0.068 R)
• M3: 727,943 km (0.104 R)
• M4: 1,020,257 km (0.084 R)
• M5: 1,602,492 km (0.089 R)
• M6: 2,338,664 km (0.116 R)
• M7: 4,133,988 km (0.091 R)

Asteroid Belt

Center: 2.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.9

Radius: 9.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.42 AU - 3.16 AU

Year: 3217 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,958,433 km

• M1: 113,844 km (0.103 R)
• M2: 456,573 km (0.032 R)
• M3: 741,407 km (0.033 R)
• M4: 1,391,709 km (0.069 R)
• M5: 2,259,975 km (0.076 R)
• M6: 3,257,942 km (0.104 R)
• M7: 3,788,117 km (0.046 R)
• M8: 4,145,507 km (0.043 R)
• M9: 4,547,027 km (0.084 R)
• M10: 7,283,472 km (0.113 R)
• M11: 7,774,901 km (0.094 R)
• M12: 8,486,687 km (0.119 R)
• M13: 9,526,542 km (0.065 R)
• M14: 11,081,911 km (0.071 R)
• M15: 12,109,648 km (0.034 R)
• M16: 13,334,705 km (0.072 R)
• M17: 14,544,354 km (0.075 R)
• M18: 15,573,587 km (0.085 R)
• M19: 18,895,408 km (0.043 R)
• M20: 19,647,436 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.6

Radius: 11.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.94 AU - 4.26 AU

Year: 4715 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,958,433 km

• M1: 138,378 km (0.099 R)
• M2: 558,000 km (0.09 R)
• M3: 1,042,847 km (0.088 R)
• M4: 1,400,086 km (0.098 R)
• M5: 2,135,510 km (0.071 R)
• M6: 3,365,354 km (0.09 R)
• M7: 3,751,466 km (0.083 R)
• M8: 4,824,831 km (0.119 R)
• M9: 6,148,323 km (0.117 R)
• M10: 7,998,998 km (0.07 R)
• M11: 8,870,406 km (0.115 R)
• M12: 9,688,556 km (0.055 R)
• M13: 11,517,989 km (0.102 R)
• M14: 11,998,198 km (0.12 R)
• M15: 15,113,574 km (0.056 R)
• M16: 15,742,633 km (0.067 R)
• M17: 17,619,787 km (0.058 R)
• M18: 19,092,279 km (0.067 R)
• M19: 19,641,901 km (0.083 R)
• M20: 20,454,517 km (0.116 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: 156 - 16,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit