🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.69 AU - 0.73 AU

Year: 229 Days

Day: 15.4 Hours

Environment

Temp: 136 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,970,691 km

• M1: 33,809 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.65 AU - 1.05 AU

Year: 300 Days

Day: 27.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,970,691 km

• M1: 46,824 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.79 AU - 1.09 AU

Year: 349 Days

Day: 13.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 29 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.83 AU - 1.15 AU

Year: 377 Days

Day: 34.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,970,691 km

• M1: 52,658 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.04 AU - 1.08 AU

Year: 418 Days

Day: 40 Hours

Environment

Temp: -5 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.4

Radius: 10.1

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.59 AU - 4.63 AU

Year: 3790 Days

Day: 5 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,970,691 km

• M1: 125,662 km (0.117 R)
• M2: 669,151 km (0.046 R)
• M3: 1,182,571 km (0.101 R)
• M4: 1,791,435 km (0.095 R)
• M5: 2,376,512 km (0.112 R)
• M6: 2,851,485 km (0.068 R)
• M7: 3,468,277 km (0.04 R)
• M8: 4,286,428 km (0.109 R)
• M9: 5,470,046 km (0.09 R)
• M10: 8,324,523 km (0.044 R)
• M11: 8,996,068 km (0.082 R)
• M12: 10,320,608 km (0.104 R)
• M13: 11,955,413 km (0.062 R)
• M14: 12,283,032 km (0.107 R)
• M15: 13,054,808 km (0.119 R)
• M16: 14,855,218 km (0.11 R)
• M17: 15,899,112 km (0.051 R)
• M18: 17,346,172 km (0.054 R)
• M19: 18,132,459 km (0.114 R)
• M20: 18,503,312 km (0.116 R)
• M21: 19,324,155 km (0.104 R)
• M22: 20,367,600 km (0.037 R)
• M23: 20,768,523 km (0.105 R)
• M24: 21,242,748 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 14

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.01 AU - 9.01 AU

Year: 9505 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,970,691 km

• M1: 174,282 km (0.075 R)
• M2: 705,952 km (0.065 R)
• M3: 1,358,797 km (0.108 R)
• M4: 2,253,542 km (0.087 R)
• M5: 2,930,921 km (0.048 R)
• M6: 5,951,452 km (0.101 R)
• M7: 8,104,016 km (0.113 R)
• M8: 8,553,557 km (0.038 R)
• M9: 9,651,456 km (0.107 R)
• M10: 11,167,331 km (0.102 R)
• M11: 14,932,560 km (0.119 R)
• M12: 18,606,983 km (0.099 R)
• M13: 19,312,936 km (0.11 R)
• M14: 21,538,204 km (0.113 R)
• M15: 23,473,851 km (0.117 R)
• M16: 23,929,526 km (0.117 R)
• M17: 26,102,136 km (0.094 R)
• M18: 29,762,347 km (0.104 R)
• M19: 31,493,793 km (0.085 R)
• M20: 33,983,251 km (0.119 R)
• M21: 34,802,149 km (0.063 R)
• M22: 37,214,266 km (0.115 R)
• M23: 44,837,923 km (0.062 R)
• M24: 45,540,135 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.4

Radius: 4.3

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 13.29 AU - 16.31 AU

Year: 21800 Days

Day: 19.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,970,691 km

• M1: 53,855 km (0.092 R)
• M2: 191,635 km (0.091 R)
• M3: 436,078 km (0.085 R)
• M4: 654,341 km (0.071 R)
• M5: 1,075,459 km (0.028 R)
• M6: 1,259,016 km (0.06 R)
• M7: 1,420,731 km (0.084 R)
• M8: 2,136,706 km (0.083 R)
• M9: 2,746,019 km (0.079 R)
• M10: 3,810,856 km (0.1 R)
• M11: 4,573,805 km (0.067 R)
• M12: 5,057,754 km (0.103 R)
• M13: 5,939,035 km (0.081 R)
• M14: 7,819,929 km (0.088 R)
• M15: 10,117,005 km (0.099 R)
• M16: 11,738,496 km (0.086 R)
• M17: 13,850,818 km (0.116 R)
• M18: 14,248,150 km (0.093 R)
• M19: 19,875,573 km (0.078 R)
• M20: 21,242,150 km (0.068 R)
• M21: 23,500,778 km (0.11 R)
• M22: 25,815,057 km (0.092 R)
• M23: 29,238,754 km (0.054 R)
• M24: 45,521,435 km (0.111 R)
• M25: 46,398,528 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 11,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit