🌌 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: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 8.3

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.01 AU - 1.19 AU

Year: 734 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,979,684 km

• M1: 103,223 km (0.09 R)
• M2: 643,570 km (0.099 R)
• M3: 1,310,178 km (0.095 R)
• M4: 1,619,098 km (0.082 R)
• M5: 2,126,683 km (0.097 R)
• M6: 3,311,947 km (0.103 R)
• M7: 3,951,029 km (0.118 R)
• M8: 5,927,068 km (0.059 R)
• M9: 6,782,019 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.5

Radius: 9.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.97 AU - 1.41 AU

Year: 825 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,979,684 km

• M1: 120,127 km (0.056 R)
• M2: 451,337 km (0.086 R)
• M3: 800,797 km (0.073 R)
• M4: 1,294,022 km (0.064 R)
• M5: 1,791,883 km (0.086 R)
• M6: 2,658,504 km (0.118 R)
• M7: 3,173,120 km (0.093 R)
• M8: 3,946,242 km (0.12 R)
• M9: 4,516,958 km (0.074 R)
• M10: 5,123,727 km (0.086 R)
• M11: 6,520,971 km (0.045 R)
• M12: 7,001,480 km (0.069 R)
• M13: 7,435,313 km (0.117 R)
• M14: 8,331,704 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 8.5

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.86 AU - 4.6 AU

Year: 4580 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 64.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,979,684 km

• M1: 155,881 km (0.094 R)
• M2: 541,694 km (0.101 R)
• M3: 829,969 km (0.097 R)
• M4: 1,582,895 km (0.105 R)
• M5: 2,138,502 km (0.113 R)
• M6: 2,598,814 km (0.11 R)
• M7: 3,237,148 km (0.12 R)
• M8: 4,132,192 km (0.109 R)
• M9: 4,576,498 km (0.099 R)
• M10: 5,262,554 km (0.079 R)
• M11: 6,311,833 km (0.115 R)
• M12: 7,978,653 km (0.118 R)
• M13: 9,163,318 km (0.109 R)
• M14: 9,838,304 km (0.112 R)
• M15: 10,334,520 km (0.116 R)
• M16: 11,512,005 km (0.096 R)
• M17: 11,831,396 km (0.094 R)
• M18: 12,440,110 km (0.096 R)
• M19: 14,183,225 km (0.081 R)
• M20: 15,413,667 km (0.112 R)
• M21: 16,310,506 km (0.114 R)
• M22: 18,455,291 km (0.083 R)
• M23: 19,019,574 km (0.12 R)
• M24: 20,314,643 km (0.089 R)
• M25: 20,714,368 km (0.112 R)
• M26: 22,720,775 km (0.076 R)
• M27: 23,151,617 km (0.077 R)
• M28: 25,696,127 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 8.1

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.71 AU - 5.21 AU

Year: 7024 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,979,684 km

• M1: 100,679 km (0.043 R)
• M2: 402,867 km (0.115 R)
• M3: 720,763 km (0.08 R)
• M4: 1,409,511 km (0.094 R)
• M5: 1,719,777 km (0.111 R)
• M6: 2,026,453 km (0.048 R)
• M7: 2,424,383 km (0.094 R)
• M8: 4,094,793 km (0.057 R)
• M9: 4,588,915 km (0.049 R)
• M10: 5,532,578 km (0.103 R)
• M11: 6,312,282 km (0.118 R)
• M12: 7,881,115 km (0.097 R)
• M13: 8,822,235 km (0.079 R)
• M14: 9,136,989 km (0.114 R)
• M15: 10,824,154 km (0.117 R)
• M16: 11,985,482 km (0.115 R)
• M17: 13,521,404 km (0.104 R)
• M18: 15,377,165 km (0.096 R)
• M19: 16,433,476 km (0.114 R)
• M20: 19,435,157 km (0.11 R)
• M21: 21,385,464 km (0.079 R)
• M22: 28,207,127 km (0.117 R)
• M23: 32,797,987 km (0.1 R)
• M24: 33,336,988 km (0.027 R)
• M25: 35,438,988 km (0.036 R)
• M26: 37,043,275 km (0.087 R)
• M27: 39,783,011 km (0.112 R)
• M28: 41,015,398 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.6

Radius: 3.5

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.65 AU - 9.59 AU

Year: 16091 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,979,684 km

• M1: 43,533 km (0.053 R)
• M2: 236,514 km (0.115 R)
• M3: 574,605 km (0.089 R)
• M4: 823,835 km (0.093 R)
• M5: 1,406,818 km (0.115 R)
• M6: 1,561,054 km (0.115 R)
• M7: 1,769,593 km (0.054 R)
• M8: 2,997,044 km (0.105 R)
• M9: 4,958,272 km (0.105 R)
• M10: 7,069,098 km (0.054 R)
• M11: 7,874,533 km (0.118 R)
• M12: 10,704,027 km (0.104 R)
• M13: 12,833,852 km (0.095 R)
• M14: 14,560,062 km (0.09 R)
• M15: 15,541,124 km (0.101 R)
• M16: 16,696,618 km (0.074 R)
• M17: 18,747,605 km (0.026 R)
• M18: 23,588,592 km (0.118 R)
• M19: 26,250,088 km (0.063 R)
• M20: 32,981,693 km (0.102 R)
• M21: 33,922,664 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 18,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit