🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 10

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 12.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,638,970 km

• M1: 124,316 km (0.077 R)
• M2: 440,566 km (0.09 R)
• M3: 837,150 km (0.116 R)
• M4: 1,152,203 km (0.115 R)
• M5: 1,516,623 km (0.073 R)
• M6: 2,009,698 km (0.083 R)
• M7: 2,388,480 km (0.118 R)
• M8: 2,839,517 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 9.7

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.57 AU - 0.73 AU

Year: 355 Days

Day: 8.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,638,970 km

• M1: 120,576 km (0.086 R)
• M2: 462,108 km (0.095 R)
• M3: 781,200 km (0.031 R)
• M4: 1,318,107 km (0.061 R)
• M5: 1,831,527 km (0.054 R)
• M6: 2,164,980 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 13.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.91 AU - 1.25 AU

Year: 761 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,638,970 km

• M1: 172,935 km (0.066 R)
• M2: 673,190 km (0.038 R)
• M3: 1,199,177 km (0.102 R)
• M4: 1,633,310 km (0.072 R)
• M5: 2,111,873 km (0.062 R)
• M6: 2,629,781 km (0.055 R)
• M7: 3,106,998 km (0.112 R)
• M8: 4,137,129 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 12

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1 AU - 1.64 AU

Year: 1029 Days

Day: 14.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,638,970 km

• M1: 149,299 km (0.118 R)
• M2: 960,418 km (0.102 R)
• M3: 1,521,111 km (0.077 R)
• M4: 2,195,648 km (0.096 R)
• M5: 2,952,314 km (0.117 R)
• M6: 3,431,925 km (0.088 R)
• M7: 3,890,293 km (0.074 R)
• M8: 4,405,358 km (0.048 R)
• M9: 4,914,140 km (0.063 R)
• M10: 5,535,720 km (0.098 R)
• M11: 6,030,889 km (0.088 R)
• M12: 6,452,306 km (0.03 R)
• M13: 7,001,330 km (0.063 R)
• M14: 8,049,113 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.2

Radius: 12.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.46 AU - 1.54 AU

Year: 1246 Days

Day: 7.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,638,970 km

• M1: 160,519 km (0.104 R)
• M2: 796,160 km (0.112 R)
• M3: 1,197,531 km (0.093 R)
• M4: 1,614,011 km (0.092 R)
• M5: 2,456,846 km (0.074 R)
• M6: 3,437,609 km (0.044 R)
• M7: 4,043,630 km (0.088 R)
• M8: 4,462,504 km (0.08 R)
• M9: 5,066,281 km (0.119 R)
• M10: 5,702,820 km (0.081 R)
• M11: 6,368,980 km (0.115 R)
• M12: 7,261,481 km (0.115 R)
• M13: 7,698,755 km (0.08 R)
• M14: 8,826,424 km (0.053 R)
• M15: 9,627,221 km (0.114 R)
• M16: 11,170,024 km (0.102 R)
• M17: 11,684,342 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 14.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.72 AU - 1.9 AU

Year: 1652 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,638,970 km

• M1: 180,565 km (0.097 R)
• M2: 635,641 km (0.069 R)
• M3: 1,131,558 km (0.118 R)
• M4: 2,667,480 km (0.082 R)
• M5: 3,372,235 km (0.095 R)
• M6: 4,944,958 km (0.056 R)
• M7: 6,802,664 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 9.3

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.73 AU - 2.91 AU

Year: 3212 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,638,970 km

• M1: 120,725 km (0.111 R)
• M2: 493,972 km (0.097 R)
• M3: 794,813 km (0.111 R)
• M4: 1,452,296 km (0.04 R)
• M5: 1,986,809 km (0.12 R)
• M6: 2,451,610 km (0.096 R)
• M7: 2,741,979 km (0.107 R)
• M8: 3,089,944 km (0.099 R)
• M9: 4,536,107 km (0.112 R)
• M10: 5,025,142 km (0.091 R)
• M11: 5,471,841 km (0.103 R)
• M12: 6,053,777 km (0.114 R)
• M13: 7,950,080 km (0.102 R)
• M14: 10,018,569 km (0.085 R)
• M15: 11,301,670 km (0.041 R)
• M16: 11,896,322 km (0.103 R)
• M17: 12,511,618 km (0.089 R)
• M18: 14,094,214 km (0.116 R)
• M19: 14,485,263 km (0.119 R)
• M20: 15,034,586 km (0.096 R)
• M21: 15,340,065 km (0.102 R)
• M22: 16,930,290 km (0.105 R)
• M23: 21,510,079 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 13,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit