🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.43 AU - 0.67 AU

Year: 148 Days

Day: 17.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.15 AU - 1.51 AU

Year: 557 Days

Day: 28.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,729,675 km

• M1: 415,284 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.06 AU - 2.54 AU

Year: 1268 Days

Day: 29.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.55 AU - 2.83 AU

Year: 1603 Days

Day: 25.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.36 AU - 3.46 AU

Year: 1804 Days

Day: 20.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 11.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.37 AU - 7.35 AU

Year: 6530 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,729,675 km

• M1: 160,668 km (0.051 R)
• M2: 647,011 km (0.096 R)
• M3: 1,474,736 km (0.03 R)
• M4: 1,892,114 km (0.06 R)
• M5: 2,285,855 km (0.1 R)
• M6: 2,930,173 km (0.044 R)
• M7: 3,529,762 km (0.089 R)
• M8: 4,081,927 km (0.087 R)
• M9: 5,032,472 km (0.107 R)
• M10: 5,451,795 km (0.098 R)
• M11: 6,744,620 km (0.088 R)
• M12: 8,029,666 km (0.033 R)
• M13: 8,395,732 km (0.097 R)
• M14: 9,117,691 km (0.075 R)
• M15: 9,973,092 km (0.047 R)
• M16: 10,444,325 km (0.044 R)
• M17: 11,636,321 km (0.056 R)
• M18: 13,083,082 km (0.09 R)
• M19: 16,460,703 km (0.101 R)
• M20: 17,119,681 km (0.045 R)
• M21: 17,523,446 km (0.07 R)
• M22: 20,757,602 km (0.089 R)
• M23: 22,716,437 km (0.093 R)
• M24: 30,493,731 km (0.092 R)
• M25: 31,992,851 km (0.114 R)
• M26: 32,400,804 km (0.113 R)
• M27: 33,540,591 km (0.065 R)
• M28: 37,684,152 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 8.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 8.22 AU - 13.08 AU

Year: 12631 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,729,675 km

• M1: 104,270 km (0.047 R)
• M2: 540,946 km (0.069 R)
• M3: 1,267,094 km (0.092 R)
• M4: 1,580,801 km (0.092 R)
• M5: 1,868,777 km (0.111 R)
• M6: 2,458,641 km (0.101 R)
• M7: 2,931,221 km (0.076 R)
• M8: 3,581,523 km (0.054 R)
• M9: 4,216,266 km (0.074 R)
• M10: 5,105,177 km (0.087 R)
• M11: 5,942,476 km (0.106 R)
• M12: 7,805,867 km (0.111 R)
• M13: 8,094,741 km (0.056 R)
• M14: 8,650,048 km (0.118 R)
• M15: 9,185,010 km (0.106 R)
• M16: 9,600,593 km (0.066 R)
• M17: 11,761,534 km (0.073 R)
• M18: 12,418,119 km (0.047 R)
• M19: 15,099,661 km (0.114 R)
• M20: 15,678,904 km (0.034 R)
• M21: 18,799,516 km (0.079 R)
• M22: 21,819,597 km (0.094 R)
• M23: 23,917,109 km (0.077 R)
• M24: 24,881,267 km (0.061 R)
• M25: 31,217,036 km (0.054 R)
• M26: 32,580,322 km (0.113 R)
• M27: 34,312,067 km (0.053 R)
• M28: 35,763,615 km (0.068 R)
• M29: 40,609,389 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.9

Radius: 3.9

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 15.76 AU - 21.86 AU

Year: 29649 Days

Day: 22.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,729,675 km

• M1: 54,454 km (0.086 R)
• M2: 1,468,453 km (0.076 R)
• M3: 2,869,586 km (0.092 R)
• M4: 5,227,099 km (0.089 R)
• M5: 7,336,728 km (0.037 R)
• M6: 9,678,085 km (0.109 R)
• M7: 15,688,628 km (0.106 R)
• M8: 16,376,329 km (0.104 R)
• M9: 16,766,929 km (0.032 R)
• M10: 17,243,847 km (0.07 R)
• M11: 21,020,894 km (0.078 R)
• M12: 21,855,950 km (0.112 R)
• M13: 23,394,863 km (0.055 R)
• M14: 25,107,310 km (0.114 R)
• M15: 36,104,549 km (0.053 R)
• M16: 39,351,720 km (0.081 R)
• M17: 43,677,642 km (0.065 R)
• M18: 50,579,339 km (0.098 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 16,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit