🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 9.2

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.88 AU - 1.3 AU

Year: 735 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,427,396 km

• M1: 114,442 km (0.083 R)
• M2: 420,968 km (0.082 R)
• M3: 1,115,551 km (0.08 R)
• M4: 1,456,485 km (0.05 R)
• M5: 1,911,412 km (0.107 R)
• M6: 2,212,403 km (0.103 R)
• M7: 2,656,110 km (0.05 R)
• M8: 2,971,911 km (0.113 R)
• M9: 3,273,800 km (0.037 R)
• M10: 3,610,245 km (0.111 R)
• M11: 4,029,269 km (0.109 R)
• M12: 4,610,906 km (0.03 R)
• M13: 6,159,094 km (0.068 R)
• M14: 6,568,693 km (0.059 R)
• M15: 8,051,208 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 12.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.15 AU - 1.33 AU

Year: 892 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,427,396 km

• M1: 155,432 km (0.112 R)
• M2: 597,494 km (0.027 R)
• M3: 1,076,057 km (0.102 R)
• M4: 1,947,764 km (0.1 R)
• M5: 3,012,004 km (0.085 R)
• M6: 3,527,219 km (0.033 R)
• M7: 4,230,927 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 12.9

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.97 AU - 2.05 AU

Year: 1840 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,427,396 km

• M1: 160,369 km (0.109 R)
• M2: 665,262 km (0.101 R)
• M3: 1,144,723 km (0.067 R)
• M4: 1,946,418 km (0.109 R)
• M5: 2,958,896 km (0.042 R)
• M6: 3,740,396 km (0.107 R)
• M7: 4,553,460 km (0.084 R)
• M8: 6,740,730 km (0.086 R)
• M9: 10,561,610 km (0.104 R)
• M10: 11,947,634 km (0.118 R)
• M11: 13,116,143 km (0.084 R)
• M12: 13,536,214 km (0.119 R)
• M13: 14,096,009 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 13.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.83 AU - 2.93 AU

Year: 2371 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,427,396 km

• M1: 172,935 km (0.063 R)
• M2: 635,941 km (0.115 R)
• M3: 1,073,814 km (0.114 R)
• M4: 1,735,934 km (0.088 R)
• M5: 2,373,520 km (0.026 R)
• M6: 2,867,791 km (0.094 R)
• M7: 4,125,610 km (0.116 R)
• M8: 4,738,961 km (0.101 R)
• M9: 6,098,656 km (0.075 R)
• M10: 9,200,419 km (0.093 R)
• M11: 10,508,353 km (0.087 R)
• M12: 11,657,115 km (0.098 R)
• M13: 13,015,763 km (0.117 R)
• M14: 13,800,104 km (0.101 R)
• M15: 15,035,484 km (0.12 R)
• M16: 16,393,234 km (0.061 R)
• M17: 17,620,684 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 8.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.34 AU - 3.42 AU

Year: 3156 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,427,396 km

• M1: 111,002 km (0.081 R)
• M2: 563,086 km (0.063 R)
• M3: 1,106,276 km (0.088 R)
• M4: 1,615,358 km (0.064 R)
• M5: 2,218,686 km (0.07 R)
• M6: 3,241,935 km (0.116 R)
• M7: 4,116,335 km (0.095 R)
• M8: 5,263,451 km (0.092 R)
• M9: 6,129,474 km (0.118 R)
• M10: 6,495,540 km (0.09 R)
• M11: 7,396,418 km (0.085 R)
• M12: 10,719,136 km (0.096 R)
• M13: 11,044,661 km (0.079 R)
• M14: 14,084,789 km (0.075 R)
• M15: 14,426,471 km (0.107 R)
• M16: 14,873,768 km (0.096 R)
• M17: 17,641,927 km (0.101 R)
• M18: 18,326,338 km (0.107 R)
• M19: 18,910,068 km (0.026 R)
• M20: 19,326,100 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397

Radius: 8.4

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.21 AU - 3.21 AU

Year: 3713 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,427,396 km

• M1: 105,915 km (0.094 R)
• M2: 388,506 km (0.104 R)
• M3: 659,128 km (0.105 R)
• M4: 948,002 km (0.1 R)
• M5: 1,429,108 km (0.079 R)
• M6: 1,878,351 km (0.092 R)
• M7: 3,809,510 km (0.045 R)
• M8: 6,620,753 km (0.079 R)
• M9: 8,736,067 km (0.107 R)
• M10: 9,592,664 km (0.101 R)
• M11: 11,807,760 km (0.105 R)
• M12: 16,257,399 km (0.091 R)
• M13: 19,557,229 km (0.108 R)
• M14: 20,584,966 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.9

Radius: 4

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.46 AU - 6.76 AU

Year: 9752 Days

Day: 16.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,427,396 km

• M1: 49,816 km (0.103 R)
• M2: 350,209 km (0.11 R)
• M3: 796,309 km (0.098 R)
• M4: 3,618,922 km (0.073 R)
• M5: 3,875,482 km (0.071 R)
• M6: 4,883,473 km (0.1 R)
• M7: 5,432,946 km (0.112 R)
• M8: 6,086,988 km (0.111 R)
• M9: 14,379,497 km (0.108 R)
• M10: 14,962,629 km (0.118 R)
• M11: 16,176,167 km (0.082 R)
• M12: 21,763,648 km (0.046 R)
• M13: 22,454,192 km (0.113 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: 262 - 10,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit