🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.47 AU - 0.67 AU

Year: 278 Days

Day: 42.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.6 AU - 0.62 AU

Year: 308 Days

Day: 42.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 8.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.98 AU - 1.42 AU

Year: 849 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,613,898 km

• M1: 124,166 km (0.108 R)
• M2: 485,295 km (0.074 R)
• M3: 759,209 km (0.098 R)
• M4: 1,049,728 km (0.093 R)
• M5: 1,569,730 km (0.069 R)
• M6: 1,905,278 km (0.108 R)
• M7: 2,181,436 km (0.066 R)
• M8: 2,581,910 km (0.054 R)
• M9: 2,911,175 km (0.063 R)
• M10: 3,469,923 km (0.095 R)
• M11: 4,490,479 km (0.107 R)
• M12: 4,861,482 km (0.076 R)
• M13: 5,188,802 km (0.107 R)

Asteroid Belt

Center: 1.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 8.8

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.34 AU - 2.08 AU

Year: 1444 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,613,898 km

• M1: 109,506 km (0.1 R)
• M2: 416,331 km (0.11 R)
• M3: 692,339 km (0.12 R)
• M4: 1,179,729 km (0.092 R)
• M5: 1,518,867 km (0.104 R)
• M6: 1,912,908 km (0.087 R)
• M7: 2,339,860 km (0.119 R)
• M8: 2,816,330 km (0.042 R)
• M9: 3,385,849 km (0.085 R)
• M10: 3,737,703 km (0.082 R)
• M11: 4,569,317 km (0.065 R)
• M12: 6,572,283 km (0.053 R)
• M13: 9,935,543 km (0.065 R)
• M14: 10,821,611 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 11.2

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.91 AU - 2.05 AU

Year: 1799 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,613,898 km

• M1: 139,276 km (0.117 R)
• M2: 544,087 km (0.1 R)
• M3: 1,161,777 km (0.103 R)
• M4: 1,736,831 km (0.089 R)
• M5: 2,199,986 km (0.094 R)
• M6: 3,461,844 km (0.07 R)
• M7: 4,125,760 km (0.061 R)
• M8: 4,662,367 km (0.071 R)
• M9: 5,403,924 km (0.098 R)
• M10: 5,949,059 km (0.098 R)
• M11: 6,478,336 km (0.085 R)
• M12: 7,260,882 km (0.101 R)
• M13: 10,341,551 km (0.117 R)
• M14: 11,834,089 km (0.107 R)
• M15: 14,875,115 km (0.115 R)
• M16: 15,474,853 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 10.3

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.34 AU - 4.14 AU

Year: 4670 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,613,898 km

• M1: 128,654 km (0.112 R)
• M2: 561,740 km (0.087 R)
• M3: 1,311,674 km (0.081 R)
• M4: 1,664,725 km (0.096 R)
• M5: 2,246,212 km (0.088 R)
• M6: 2,958,447 km (0.099 R)
• M7: 3,307,160 km (0.115 R)
• M8: 4,398,477 km (0.104 R)
• M9: 4,880,930 km (0.069 R)
• M10: 6,640,500 km (0.094 R)
• M11: 7,381,009 km (0.119 R)
• M12: 8,866,965 km (0.077 R)
• M13: 9,390,408 km (0.07 R)
• M14: 10,323,001 km (0.09 R)
• M15: 11,550,751 km (0.071 R)
• M16: 12,175,322 km (0.057 R)
• M17: 13,283,693 km (0.118 R)
• M18: 14,239,324 km (0.091 R)
• M19: 17,820,697 km (0.093 R)
• M20: 18,202,620 km (0.049 R)
• M21: 19,852,685 km (0.051 R)
• M22: 20,609,500 km (0.11 R)
• M23: 21,816,755 km (0.041 R)
• M24: 25,239,405 km (0.109 R)
• M25: 29,092,148 km (0.092 R)
• M26: 29,533,312 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 11.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.91 AU - 4.05 AU

Year: 5127 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,613,898 km

• M1: 147,952 km (0.082 R)
• M2: 667,954 km (0.08 R)
• M3: 1,289,534 km (0.104 R)
• M4: 2,026,154 km (0.103 R)
• M5: 2,770,104 km (0.063 R)
• M6: 3,489,819 km (0.112 R)
• M7: 5,046,086 km (0.059 R)
• M8: 5,565,789 km (0.077 R)
• M9: 6,207,564 km (0.088 R)
• M10: 8,941,614 km (0.043 R)
• M11: 10,142,736 km (0.097 R)
• M12: 17,864,978 km (0.086 R)
• M13: 21,390,551 km (0.087 R)
• M14: 23,104,643 km (0.087 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 13,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit