🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.8

Radius: 8.1

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 8.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,643,723 km

• M1: 100,829 km (0.107 R)
• M2: 494,571 km (0.07 R)
• M3: 775,216 km (0.085 R)
• M4: 1,057,507 km (0.094 R)
• M5: 1,421,030 km (0.108 R)
• M6: 1,852,321 km (0.071 R)
• M7: 2,385,488 km (0.091 R)
• M8: 2,656,709 km (0.074 R)
• M9: 3,230,267 km (0.053 R)
• M10: 3,497,149 km (0.072 R)
• M11: 4,087,762 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 11.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.72 AU - 1.06 AU

Year: 560 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,643,723 km

• M1: 139,425 km (0.096 R)
• M2: 740,659 km (0.113 R)
• M3: 1,652,159 km (0.1 R)
• M4: 2,443,532 km (0.113 R)
• M5: 2,824,707 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.5

Radius: 9.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.16 AU - 1.32 AU

Year: 921 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,643,723 km

• M1: 123,119 km (0.063 R)
• M2: 500,106 km (0.101 R)
• M3: 939,325 km (0.064 R)
• M4: 1,672,504 km (0.074 R)
• M5: 2,164,083 km (0.047 R)
• M6: 2,483,474 km (0.089 R)
• M7: 3,165,940 km (0.048 R)
• M8: 3,922,307 km (0.061 R)
• M9: 4,269,822 km (0.055 R)
• M10: 4,655,187 km (0.105 R)
• M11: 5,137,191 km (0.05 R)
• M12: 5,771,336 km (0.11 R)
• M13: 6,478,336 km (0.118 R)
• M14: 7,102,907 km (0.108 R)
• M15: 9,329,970 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 14.5

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.22 AU - 1.46 AU

Year: 1034 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 135.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,643,723 km

• M1: 180,714 km (0.072 R)
• M2: 631,602 km (0.05 R)
• M3: 1,212,491 km (0.102 R)
• M4: 1,763,011 km (0.095 R)
• M5: 2,445,626 km (0.079 R)
• M6: 2,950,220 km (0.103 R)
• M7: 3,403,950 km (0.083 R)
• M8: 3,871,892 km (0.111 R)
• M9: 4,490,778 km (0.105 R)
• M10: 5,115,499 km (0.096 R)
• M11: 6,060,958 km (0.085 R)
• M12: 7,295,290 km (0.095 R)
• M13: 8,577,942 km (0.11 R)
• M14: 9,665,668 km (0.104 R)
• M15: 11,972,766 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 12.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.75 AU - 3.43 AU

Year: 3622 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,643,723 km

• M1: 154,235 km (0.108 R)
• M2: 651,499 km (0.067 R)
• M3: 1,285,495 km (0.12 R)
• M4: 1,679,236 km (0.075 R)
• M5: 2,168,870 km (0.068 R)
• M6: 2,786,111 km (0.12 R)
• M7: 3,347,103 km (0.102 R)
• M8: 4,153,734 km (0.098 R)
• M9: 5,186,409 km (0.095 R)
• M10: 6,861,306 km (0.102 R)
• M11: 7,427,833 km (0.045 R)
• M12: 10,131,665 km (0.081 R)
• M13: 10,784,062 km (0.093 R)
• M14: 11,948,083 km (0.108 R)
• M15: 13,824,339 km (0.096 R)
• M16: 14,576,218 km (0.045 R)
• M17: 15,092,480 km (0.118 R)
• M18: 15,514,197 km (0.056 R)
• M19: 16,996,263 km (0.1 R)
• M20: 17,859,293 km (0.105 R)
• M21: 18,570,481 km (0.108 R)
• M22: 22,007,492 km (0.059 R)
• M23: 23,451,710 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.4

Radius: 12.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.01 AU - 4.87 AU

Year: 5215 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,643,723 km

• M1: 153,039 km (0.109 R)
• M2: 653,294 km (0.072 R)
• M3: 1,073,514 km (0.094 R)
• M4: 1,499,270 km (0.107 R)
• M5: 2,210,608 km (0.099 R)
• M6: 2,999,737 km (0.086 R)
• M7: 3,592,593 km (0.058 R)
• M8: 4,800,745 km (0.06 R)
• M9: 5,384,177 km (0.105 R)
• M10: 6,605,793 km (0.076 R)
• M11: 9,221,662 km (0.103 R)
• M12: 11,128,586 km (0.113 R)
• M13: 11,548,058 km (0.118 R)
• M14: 12,065,218 km (0.027 R)
• M15: 13,053,761 km (0.098 R)
• M16: 13,758,067 km (0.104 R)
• M17: 17,273,617 km (0.113 R)
• M18: 20,150,983 km (0.115 R)
• M19: 21,348,065 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.7

Radius: 6.1

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.4 AU - 8.42 AU

Year: 16264 Days

Day: 16.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,643,723 km

• M1: 75,846 km (0.09 R)
• M2: 582,833 km (0.119 R)
• M3: 959,371 km (0.106 R)
• M4: 1,729,501 km (0.062 R)
• M5: 2,311,287 km (0.025 R)
• M6: 2,714,603 km (0.089 R)
• M7: 5,042,944 km (0.12 R)
• M8: 5,530,184 km (0.095 R)
• M9: 5,720,772 km (0.097 R)
• M10: 6,115,262 km (0.11 R)
• M11: 6,995,196 km (0.12 R)
• M12: 7,916,570 km (0.065 R)
• M13: 10,963,579 km (0.103 R)
• M14: 13,361,483 km (0.114 R)
• M15: 13,705,409 km (0.087 R)
• M16: 14,351,672 km (0.081 R)
• M17: 14,834,125 km (0.042 R)
• M18: 15,641,205 km (0.088 R)
• M19: 16,608,356 km (0.05 R)
• M20: 19,601,360 km (0.06 R)
• M21: 20,496,554 km (0.106 R)
• M22: 23,098,809 km (0.102 R)
• M23: 24,951,130 km (0.059 R)
• M24: 25,736,518 km (0.097 R)
• M25: 26,628,571 km (0.081 R)
• M26: 29,621,126 km (0.066 R)
• M27: 29,815,304 km (0.086 R)
• M28: 33,773,514 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 13,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit