🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 10.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.49 AU - 0.53 AU

Year: 256 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 144.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,965,830 km

• M1: 130,599 km (0.055 R)
• M2: 528,380 km (0.11 R)
• M3: 917,484 km (0.118 R)
• M4: 1,772,884 km (0.103 R)
• M5: 2,227,512 km (0.109 R)
• M6: 2,998,689 km (0.03 R)
• M7: 3,648,842 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 12.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.64 AU

Year: 264 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,965,830 km

• M1: 153,039 km (0.098 R)
• M2: 554,559 km (0.054 R)
• M3: 1,023,249 km (0.106 R)
• M4: 1,441,824 km (0.09 R)
• M5: 2,022,114 km (0.095 R)
• M6: 3,668,738 km (0.072 R)
• M7: 4,462,953 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 9.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.77 AU - 0.97 AU

Year: 570 Days

Day: 14.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,965,830 km

• M1: 120,576 km (0.103 R)
• M2: 424,409 km (0.098 R)
• M3: 729,140 km (0.095 R)
• M4: 1,073,963 km (0.095 R)
• M5: 1,510,490 km (0.099 R)
• M6: 2,126,235 km (0.048 R)
• M7: 2,524,165 km (0.069 R)
• M8: 2,852,233 km (0.039 R)
• M9: 3,393,029 km (0.063 R)
• M10: 3,782,582 km (0.073 R)
• M11: 4,409,696 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.2

Radius: 8.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.09 AU

Year: 620 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,965,830 km

• M1: 109,506 km (0.09 R)
• M2: 387,010 km (0.105 R)
• M3: 844,929 km (0.086 R)
• M4: 1,428,959 km (0.079 R)
• M5: 2,373,819 km (0.037 R)
• M6: 3,351,591 km (0.067 R)
• M7: 3,969,131 km (0.028 R)
• M8: 4,702,759 km (0.111 R)
• M9: 5,020,355 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 11.9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.81 AU - 2.17 AU

Year: 1973 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,965,830 km

• M1: 148,102 km (0.044 R)
• M2: 820,544 km (0.062 R)
• M3: 1,268,889 km (0.083 R)
• M4: 1,696,141 km (0.084 R)
• M5: 2,271,644 km (0.083 R)
• M6: 4,145,207 km (0.093 R)
• M7: 4,597,292 km (0.081 R)
• M8: 5,014,221 km (0.075 R)
• M9: 6,829,442 km (0.117 R)
• M10: 7,947,387 km (0.103 R)
• M11: 8,615,491 km (0.118 R)
• M12: 9,014,020 km (0.053 R)
• M13: 9,389,959 km (0.095 R)
• M14: 11,351,187 km (0.084 R)
• M15: 12,830,411 km (0.043 R)
• M16: 14,527,150 km (0.093 R)
• M17: 15,045,207 km (0.08 R)
• M18: 15,526,613 km (0.103 R)
• M19: 16,018,491 km (0.084 R)
• M20: 16,981,602 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 14.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.96 AU - 2.04 AU

Year: 1988 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,965,830 km

• M1: 185,352 km (0.066 R)
• M2: 703,858 km (0.101 R)
• M3: 1,215,483 km (0.101 R)
• M4: 1,717,384 km (0.087 R)
• M5: 2,197,443 km (0.102 R)
• M6: 3,052,245 km (0.038 R)
• M7: 3,679,958 km (0.055 R)
• M8: 4,235,714 km (0.067 R)
• M9: 5,064,187 km (0.077 R)
• M10: 8,303,131 km (0.108 R)
• M11: 8,807,724 km (0.093 R)
• M12: 11,223,580 km (0.113 R)
• M13: 11,841,719 km (0.103 R)
• M14: 14,097,355 km (0.117 R)
• M15: 16,185,592 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 9

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.5 AU - 5.42 AU

Year: 6621 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,965,830 km

• M1: 111,899 km (0.091 R)
• M2: 409,001 km (0.097 R)
• M3: 920,027 km (0.12 R)
• M4: 1,612,216 km (0.094 R)
• M5: 2,598,515 km (0.07 R)
• M6: 3,354,433 km (0.095 R)
• M7: 5,734,236 km (0.078 R)
• M8: 6,898,855 km (0.113 R)
• M9: 9,781,008 km (0.119 R)
• M10: 10,441,183 km (0.094 R)
• M11: 12,600,329 km (0.119 R)
• M12: 14,553,778 km (0.112 R)
• M13: 14,979,684 km (0.109 R)
• M14: 15,856,477 km (0.116 R)
• M15: 18,338,156 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 16,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit