🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.5 AU - 0.6 AU

Year: 150 Days

Day: 15.5 Hours

Environment

Temp: 198 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.18 AU - 2.58 AU

Year: 1348 Days

Day: 18.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.01 AU - 2.81 AU

Year: 1373 Days

Day: 39.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,643,821 km

• M1: 49,367 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.45 AU - 3.09 AU

Year: 1692 Days

Day: 29.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.96 AU - 4.9 AU

Year: 3423 Days

Day: 47.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.5

Radius: 9.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.6 AU - 7.46 AU

Year: 5436 Days

Day: 5.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,643,821 km

• M1: 120,576 km (0.095 R)
• M2: 475,572 km (0.066 R)
• M3: 1,373,757 km (0.084 R)
• M4: 1,764,208 km (0.108 R)
• M5: 2,497,536 km (0.082 R)
• M6: 3,539,486 km (0.07 R)
• M7: 5,150,355 km (0.07 R)
• M8: 5,960,129 km (0.103 R)
• M9: 6,485,516 km (0.086 R)
• M10: 8,107,756 km (0.119 R)
• M11: 8,826,873 km (0.12 R)
• M12: 10,024,853 km (0.071 R)
• M13: 10,516,431 km (0.11 R)
• M14: 14,472,696 km (0.098 R)
• M15: 17,620,984 km (0.082 R)
• M16: 23,406,532 km (0.083 R)
• M17: 23,764,819 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 10.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.7 AU - 8.08 AU

Year: 8136 Days

Day: 7.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,643,821 km

• M1: 138,228 km (0.107 R)
• M2: 492,177 km (0.095 R)
• M3: 965,355 km (0.071 R)
• M4: 1,393,355 km (0.074 R)
• M5: 1,767,050 km (0.093 R)
• M6: 2,456,247 km (0.087 R)
• M7: 2,802,866 km (0.099 R)
• M8: 3,431,177 km (0.11 R)
• M9: 3,866,806 km (0.11 R)
• M10: 4,533,264 km (0.086 R)
• M11: 4,879,583 km (0.117 R)
• M12: 5,305,937 km (0.099 R)
• M13: 6,773,941 km (0.105 R)
• M14: 8,496,261 km (0.079 R)
• M15: 9,669,558 km (0.027 R)
• M16: 11,627,943 km (0.094 R)
• M17: 12,005,528 km (0.11 R)
• M18: 13,014,416 km (0.11 R)
• M19: 14,323,248 km (0.056 R)
• M20: 15,393,172 km (0.106 R)
• M21: 16,246,778 km (0.07 R)
• M22: 18,336,660 km (0.117 R)
• M23: 19,597,471 km (0.031 R)
• M24: 22,706,862 km (0.097 R)
• M25: 25,583,330 km (0.088 R)
• M26: 29,584,475 km (0.05 R)
• M27: 33,984,447 km (0.071 R)
• M28: 38,682,718 km (0.119 R)
• M29: 39,283,653 km (0.114 R)
• M30: 40,751,657 km (0.074 R)
• M31: 42,382,722 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.5

Radius: 7.4

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 13.64 AU - 21.48 AU

Year: 27012 Days

Day: 16.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,643,821 km

• M1: 92,003 km (0.082 R)
• M2: 534,962 km (0.076 R)
• M3: 797,207 km (0.077 R)
• M4: 1,053,618 km (0.104 R)
• M5: 1,544,299 km (0.065 R)
• M6: 2,425,131 km (0.102 R)
• M7: 8,150,690 km (0.11 R)
• M8: 13,563,291 km (0.035 R)
• M9: 14,170,957 km (0.064 R)
• M10: 17,752,031 km (0.111 R)
• M11: 23,478,488 km (0.1 R)
• M12: 25,024,732 km (0.106 R)
• M13: 28,441,697 km (0.095 R)
• M14: 33,785,183 km (0.029 R)
• M15: 34,339,742 km (0.086 R)
• M16: 35,752,844 km (0.111 R)
• M17: 38,393,246 km (0.103 R)
• M18: 40,069,341 km (0.082 R)
• M19: 58,194,619 km (0.041 R)
• M20: 67,582,932 km (0.065 R)
• M21: 75,782,841 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 15,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit