🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 14.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.46 AU - 0.74 AU

Year: 310 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,727,767 km

• M1: 176,675 km (0.085 R)
• M2: 647,160 km (0.048 R)
• M3: 1,116,000 km (0.117 R)
• M4: 1,612,665 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 14.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.57 AU - 0.93 AU

Year: 433 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,727,767 km

• M1: 180,265 km (0.063 R)
• M2: 647,310 km (0.12 R)
• M3: 1,160,431 km (0.093 R)
• M4: 1,676,693 km (0.066 R)
• M5: 2,240,827 km (0.068 R)
• M6: 2,733,452 km (0.062 R)
• M7: 3,310,601 km (0.082 R)
• M8: 3,929,188 km (0.054 R)
• M9: 4,878,985 km (0.094 R)
• M10: 5,872,315 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.8

Radius: 10.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.18 AU - 1.56 AU

Year: 1069 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,727,767 km

• M1: 125,662 km (0.051 R)
• M2: 490,232 km (0.102 R)
• M3: 828,772 km (0.114 R)
• M4: 1,149,510 km (0.085 R)
• M5: 1,523,056 km (0.083 R)
• M6: 1,977,684 km (0.096 R)
• M7: 2,329,987 km (0.118 R)
• M8: 4,418,224 km (0.088 R)
• M9: 4,805,532 km (0.093 R)
• M10: 5,234,729 km (0.068 R)
• M11: 7,357,672 km (0.112 R)
• M12: 7,852,841 km (0.117 R)
• M13: 8,476,215 km (0.11 R)
• M14: 9,358,544 km (0.096 R)
• M15: 9,792,527 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 10.4

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.38 AU - 2.28 AU

Year: 1651 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,727,767 km

• M1: 129,402 km (0.071 R)
• M2: 457,769 km (0.033 R)
• M3: 797,805 km (0.033 R)
• M4: 1,308,233 km (0.038 R)
• M5: 1,985,164 km (0.096 R)
• M6: 2,441,437 km (0.113 R)
• M7: 2,797,480 km (0.053 R)
• M8: 3,342,465 km (0.099 R)
• M9: 3,749,671 km (0.08 R)
• M10: 4,282,239 km (0.072 R)
• M11: 4,664,761 km (0.078 R)
• M12: 5,260,011 km (0.073 R)
• M13: 5,654,500 km (0.095 R)
• M14: 6,283,410 km (0.095 R)
• M15: 6,627,485 km (0.093 R)
• M16: 7,407,488 km (0.079 R)
• M17: 7,791,955 km (0.083 R)
• M18: 8,541,440 km (0.077 R)
• M19: 9,212,386 km (0.059 R)
• M20: 11,619,715 km (0.064 R)
• M21: 11,952,122 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.7

Radius: 12.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.61 AU - 2.39 AU

Year: 1886 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,727,767 km

• M1: 165,306 km (0.1 R)
• M2: 575,353 km (0.069 R)
• M3: 1,218,774 km (0.111 R)
• M4: 1,617,901 km (0.114 R)
• M5: 2,129,376 km (0.096 R)
• M6: 2,609,585 km (0.066 R)
• M7: 3,449,876 km (0.086 R)
• M8: 4,043,032 km (0.068 R)
• M9: 4,974,578 km (0.101 R)
• M10: 6,698,095 km (0.032 R)
• M11: 8,358,631 km (0.085 R)
• M12: 9,203,859 km (0.092 R)
• M13: 10,313,277 km (0.105 R)
• M14: 15,288,154 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 11.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.18 AU - 3.26 AU

Year: 3853 Days

Day: 11.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,727,767 km

• M1: 141,819 km (0.115 R)
• M2: 542,591 km (0.118 R)
• M3: 1,553,723 km (0.095 R)
• M4: 2,200,884 km (0.077 R)
• M5: 2,699,793 km (0.116 R)
• M6: 3,163,247 km (0.074 R)
• M7: 4,054,701 km (0.111 R)
• M8: 4,809,422 km (0.078 R)
• M9: 6,014,882 km (0.092 R)
• M10: 6,841,559 km (0.118 R)
• M11: 7,444,588 km (0.104 R)
• M12: 8,866,666 km (0.073 R)
• M13: 11,790,257 km (0.1 R)
• M14: 12,798,547 km (0.069 R)
• M15: 15,303,264 km (0.11 R)
• M16: 16,727,136 km (0.072 R)
• M17: 17,529,579 km (0.078 R)
• M18: 17,999,466 km (0.11 R)
• M19: 18,720,079 km (0.039 R)
• M20: 19,963,686 km (0.057 R)
• M21: 21,195,475 km (0.105 R)
• M22: 21,796,410 km (0.105 R)
• M23: 22,684,273 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.2

Radius: 11.3

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.69 AU - 5.99 AU

Year: 8229 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,727,767 km

• M1: 140,472 km (0.071 R)
• M2: 809,025 km (0.058 R)
• M3: 1,276,818 km (0.083 R)
• M4: 1,876,406 km (0.102 R)
• M5: 2,260,274 km (0.053 R)
• M6: 2,840,714 km (0.071 R)
• M7: 3,818,785 km (0.104 R)
• M8: 4,245,887 km (0.034 R)
• M9: 5,165,016 km (0.112 R)
• M10: 5,756,825 km (0.119 R)
• M11: 8,278,297 km (0.062 R)
• M12: 11,569,002 km (0.116 R)
• M13: 12,238,901 km (0.088 R)
• M14: 13,352,358 km (0.065 R)
• M15: 15,378,362 km (0.117 R)
• M16: 17,312,662 km (0.051 R)
• M17: 19,326,549 km (0.112 R)
• M18: 20,430,132 km (0.079 R)
• M19: 23,725,923 km (0.109 R)
• M20: 24,898,920 km (0.115 R)
• M21: 31,888,432 km (0.119 R)
• M22: 33,989,534 km (0.119 R)
• M23: 35,595,617 km (0.07 R)
• M24: 37,613,243 km (0.055 R)
• M25: 40,972,762 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 13,789 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit