🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 12.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.73 AU - 0.97 AU

Year: 506 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,023,100 km

• M1: 154,235 km (0.105 R)
• M2: 588,967 km (0.025 R)
• M3: 1,024,297 km (0.073 R)
• M4: 1,544,000 km (0.103 R)
• M5: 1,949,410 km (0.11 R)
• M6: 2,335,073 km (0.099 R)
• M7: 2,866,445 km (0.075 R)
• M8: 3,327,505 km (0.109 R)
• M9: 4,064,275 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.7

Radius: 12.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.22 AU - 1.9 AU

Year: 1258 Days

Day: 11.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,023,100 km

• M1: 150,495 km (0.101 R)
• M2: 563,236 km (0.084 R)
• M3: 1,474,586 km (0.057 R)
• M4: 3,594,837 km (0.106 R)
• M5: 4,404,012 km (0.101 R)
• M6: 5,102,933 km (0.118 R)
• M7: 5,630,864 km (0.074 R)
• M8: 9,601,790 km (0.117 R)
• M9: 10,982,877 km (0.036 R)
• M10: 11,757,046 km (0.114 R)
• M11: 12,157,669 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 9.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.61 AU - 1.65 AU

Year: 1344 Days

Day: 5.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,023,100 km

• M1: 114,592 km (0.091 R)
• M2: 494,122 km (0.087 R)
• M3: 966,552 km (0.102 R)
• M4: 1,594,863 km (0.039 R)
• M5: 1,914,105 km (0.09 R)
• M6: 2,316,972 km (0.075 R)
• M7: 2,672,566 km (0.075 R)
• M8: 3,089,645 km (0.074 R)
• M9: 3,481,142 km (0.104 R)
• M10: 4,085,069 km (0.119 R)
• M11: 4,574,254 km (0.103 R)
• M12: 4,979,515 km (0.117 R)
• M13: 5,651,060 km (0.077 R)
• M14: 5,940,083 km (0.096 R)
• M15: 6,526,955 km (0.114 R)
• M16: 7,629,043 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 14.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.79 AU - 2.15 AU

Year: 1785 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,023,100 km

• M1: 178,021 km (0.101 R)
• M2: 703,559 km (0.086 R)
• M3: 1,173,745 km (0.114 R)
• M4: 1,726,659 km (0.031 R)
• M5: 2,440,390 km (0.105 R)
• M6: 3,010,807 km (0.075 R)
• M7: 3,687,438 km (0.071 R)
• M8: 4,464,150 km (0.111 R)
• M9: 4,946,154 km (0.082 R)
• M10: 5,463,015 km (0.112 R)
• M11: 7,695,763 km (0.103 R)
• M12: 8,268,424 km (0.039 R)
• M13: 9,164,216 km (0.068 R)
• M14: 10,159,191 km (0.091 R)
• M15: 10,775,385 km (0.048 R)
• M16: 11,377,965 km (0.113 R)
• M17: 12,568,465 km (0.073 R)
• M18: 15,525,716 km (0.119 R)
• M19: 16,100,620 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.2

Radius: 14.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.45 AU - 3.93 AU

Year: 3679 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,023,100 km

• M1: 178,919 km (0.03 R)
• M2: 650,601 km (0.114 R)
• M3: 1,423,274 km (0.098 R)
• M4: 1,993,392 km (0.116 R)
• M5: 2,715,351 km (0.102 R)
• M6: 3,468,726 km (0.097 R)
• M7: 4,857,293 km (0.107 R)
• M8: 5,394,649 km (0.094 R)
• M9: 6,115,262 km (0.095 R)
• M10: 7,025,714 km (0.103 R)
• M11: 8,450,036 km (0.109 R)
• M12: 8,965,400 km (0.067 R)
• M13: 9,462,664 km (0.079 R)
• M14: 11,460,842 km (0.112 R)
• M15: 12,940,964 km (0.085 R)
• M16: 14,492,892 km (0.044 R)
• M17: 15,449,271 km (0.09 R)
• M18: 16,846,964 km (0.107 R)
• M19: 18,572,127 km (0.09 R)
• M20: 22,791,984 km (0.1 R)
• M21: 23,576,624 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.3

Radius: 10.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.03 AU - 3.47 AU

Year: 3783 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,023,100 km

• M1: 126,859 km (0.068 R)
• M2: 2,563,210 km (0.111 R)
• M3: 3,245,825 km (0.11 R)
• M4: 4,716,970 km (0.077 R)
• M5: 6,616,415 km (0.07 R)
• M6: 7,237,844 km (0.086 R)
• M7: 8,441,957 km (0.091 R)
• M8: 9,206,103 km (0.115 R)
• M9: 11,507,517 km (0.085 R)
• M10: 13,267,835 km (0.08 R)
• M11: 14,168,414 km (0.058 R)

Asteroid Belt

Center: 6.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.1

Radius: 7.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.1 AU - 10.54 AU

Year: 21406 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,023,100 km

• M1: 139,425 km (0.087 R)
• M2: 411,544 km (0.088 R)
• M3: 696,827 km (0.052 R)
• M4: 981,212 km (0.115 R)
• M5: 2,481,679 km (0.101 R)
• M6: 3,069,150 km (0.111 R)
• M7: 3,501,937 km (0.089 R)
• M8: 4,349,708 km (0.081 R)
• M9: 4,806,879 km (0.106 R)
• M10: 6,811,490 km (0.085 R)
• M11: 12,714,622 km (0.078 R)
• M12: 18,346,683 km (0.117 R)
• M13: 22,990,201 km (0.077 R)
• M14: 23,588,443 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 14,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit