🌌 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: 249.7

Radius: 8.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,487,810 km

• M1: 109,655 km (0.107 R)
• M2: 379,380 km (0.089 R)
• M3: 710,291 km (0.036 R)
• M4: 1,415,794 km (0.08 R)
• M5: 1,820,756 km (0.12 R)
• M6: 2,111,125 km (0.12 R)
• M7: 2,393,416 km (0.069 R)
• M8: 2,980,738 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878

Radius: 14.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.75 AU - 0.81 AU

Year: 467 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,487,810 km

• M1: 175,329 km (0.1 R)
• M2: 615,595 km (0.09 R)
• M3: 1,252,134 km (0.069 R)
• M4: 1,836,164 km (0.072 R)
• M5: 2,590,287 km (0.118 R)
• M6: 3,143,949 km (0.101 R)
• M7: 3,594,687 km (0.119 R)
• M8: 4,187,244 km (0.118 R)
• M9: 4,643,518 km (0.047 R)
• M10: 6,462,778 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.7

Radius: 9.2

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.18 AU - 3.12 AU

Year: 2926 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 114.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,487,810 km

• M1: 114,442 km (0.095 R)
• M2: 613,202 km (0.086 R)
• M3: 1,265,748 km (0.07 R)
• M4: 1,756,728 km (0.092 R)
• M5: 2,594,326 km (0.062 R)
• M6: 2,965,778 km (0.055 R)
• M7: 3,776,149 km (0.117 R)
• M8: 5,617,550 km (0.109 R)
• M9: 6,299,118 km (0.037 R)
• M10: 6,823,159 km (0.069 R)
• M11: 8,024,879 km (0.113 R)
• M12: 9,214,930 km (0.116 R)
• M13: 9,890,514 km (0.093 R)
• M14: 10,679,642 km (0.081 R)
• M15: 11,298,529 km (0.096 R)
• M16: 11,984,884 km (0.042 R)
• M17: 14,909,073 km (0.041 R)
• M18: 18,394,554 km (0.082 R)
• M19: 19,223,476 km (0.105 R)
• M20: 20,201,098 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.9

Radius: 7.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.81 AU - 6.09 AU

Year: 9844 Days

Day: 18.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,487,810 km

• M1: 96,640 km (0.097 R)
• M2: 492,925 km (0.073 R)
• M3: 811,120 km (0.112 R)
• M4: 1,369,569 km (0.072 R)
• M5: 1,623,735 km (0.065 R)
• M6: 2,245,763 km (0.079 R)
• M7: 2,678,251 km (0.109 R)
• M8: 4,106,162 km (0.076 R)
• M9: 4,421,963 km (0.043 R)
• M10: 4,669,398 km (0.102 R)
• M11: 5,499,068 km (0.045 R)
• M12: 6,183,179 km (0.044 R)
• M13: 7,447,730 km (0.095 R)
• M14: 8,202,302 km (0.093 R)
• M15: 9,816,313 km (0.114 R)
• M16: 10,143,932 km (0.081 R)
• M17: 10,722,577 km (0.119 R)
• M18: 11,170,772 km (0.052 R)
• M19: 11,579,773 km (0.106 R)
• M20: 13,602,037 km (0.069 R)
• M21: 13,892,257 km (0.096 R)
• M22: 14,727,013 km (0.104 R)
• M23: 15,094,724 km (0.103 R)
• M24: 17,026,482 km (0.104 R)
• M25: 24,478,999 km (0.036 R)
• M26: 27,779,427 km (0.049 R)
• M27: 29,487,386 km (0.107 R)
• M28: 30,367,171 km (0.071 R)
• M29: 34,489,789 km (0.081 R)
• M30: 38,506,043 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.9

Radius: 7.7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.31 AU - 7.61 AU

Year: 12454 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,487,810 km

• M1: 95,743 km (0.114 R)
• M2: 389,553 km (0.075 R)
• M3: 998,715 km (0.052 R)
• M4: 1,335,909 km (0.097 R)
• M5: 1,919,191 km (0.064 R)
• M6: 2,976,698 km (0.116 R)
• M7: 6,035,077 km (0.114 R)
• M8: 6,432,559 km (0.11 R)
• M9: 6,885,840 km (0.076 R)
• M10: 9,818,856 km (0.097 R)
• M11: 10,166,671 km (0.102 R)
• M12: 12,200,305 km (0.085 R)
• M13: 12,544,380 km (0.065 R)
• M14: 12,954,128 km (0.119 R)
• M15: 14,747,358 km (0.026 R)
• M16: 16,282,531 km (0.102 R)
• M17: 19,355,870 km (0.063 R)
• M18: 23,582,309 km (0.111 R)
• M19: 26,145,669 km (0.073 R)
• M20: 26,718,180 km (0.117 R)
• M21: 27,690,865 km (0.088 R)
• M22: 29,398,375 km (0.051 R)
• M23: 36,932,124 km (0.057 R)
• M24: 37,773,762 km (0.095 R)
• M25: 38,505,445 km (0.077 R)
• M26: 39,871,124 km (0.074 R)
• M27: 41,397,471 km (0.107 R)
• M28: 42,436,578 km (0.06 R)
• M29: 42,698,972 km (0.113 R)
• M30: 45,109,892 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 16,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit