🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.54 AU - 0.8 AU

Year: 196 Days

Day: 24.7 Hours

Environment

Temp: 211 °C

Axial Tilt: 101.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,505,443 km

• M1: 19,897 km (0.027 R)
• M2: 318,045 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.09 AU - 1.27 AU

Year: 459 Days

Day: 46.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 8.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.14 AU - 2.2 AU

Year: 1145 Days

Day: 15.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,505,443 km

• M1: 694,733 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.64 AU - 2.9 AU

Year: 1651 Days

Day: 19.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.04 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.03 AU - 3.59 AU

Year: 2157 Days

Day: 16.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,505,443 km

• M1: 72,854 km (0.117 R)
• M2: 1,054,964 km (0.073 R)

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 13.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7 AU - 7.98 AU

Year: 7342 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,505,443 km

• M1: 164,408 km (0.105 R)
• M2: 583,432 km (0.116 R)
• M3: 1,764,507 km (0.084 R)
• M4: 2,571,887 km (0.096 R)
• M5: 3,758,048 km (0.119 R)
• M6: 5,007,190 km (0.116 R)
• M7: 5,469,747 km (0.107 R)
• M8: 7,494,405 km (0.105 R)
• M9: 8,567,470 km (0.099 R)
• M10: 10,764,016 km (0.112 R)
• M11: 12,183,849 km (0.119 R)
• M12: 14,388,772 km (0.1 R)
• M13: 16,576,940 km (0.114 R)
• M14: 17,260,752 km (0.1 R)
• M15: 20,262,882 km (0.057 R)
• M16: 21,363,174 km (0.06 R)
• M17: 26,257,717 km (0.03 R)
• M18: 27,946,677 km (0.098 R)
• M19: 34,761,459 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 9.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.03 AU - 9.19 AU

Year: 7519 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,505,443 km

• M1: 124,166 km (0.068 R)
• M2: 435,779 km (0.116 R)
• M3: 2,008,501 km (0.096 R)
• M4: 2,385,488 km (0.08 R)
• M5: 3,077,079 km (0.096 R)
• M6: 5,008,387 km (0.101 R)
• M7: 6,081,303 km (0.052 R)
• M8: 6,501,673 km (0.083 R)
• M9: 7,706,983 km (0.089 R)
• M10: 9,016,862 km (0.057 R)
• M11: 10,597,364 km (0.102 R)
• M12: 11,794,446 km (0.059 R)
• M13: 12,883,668 km (0.058 R)
• M14: 15,926,189 km (0.098 R)
• M15: 16,552,855 km (0.11 R)
• M16: 17,136,885 km (0.04 R)
• M17: 18,161,032 km (0.046 R)
• M18: 21,204,601 km (0.091 R)
• M19: 22,384,629 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 11.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.53 AU - 10.25 AU

Year: 9493 Days

Day: 8.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,505,443 km

• M1: 142,118 km (0.096 R)
• M2: 590,463 km (0.112 R)
• M3: 1,366,128 km (0.084 R)
• M4: 2,049,790 km (0.116 R)
• M5: 2,462,082 km (0.101 R)
• M6: 3,501,338 km (0.073 R)
• M7: 6,057,966 km (0.118 R)
• M8: 6,668,325 km (0.117 R)
• M9: 7,583,714 km (0.068 R)
• M10: 8,539,495 km (0.084 R)
• M11: 9,890,663 km (0.108 R)
• M12: 10,786,306 km (0.048 R)
• M13: 12,256,703 km (0.115 R)
• M14: 15,967,778 km (0.103 R)
• M15: 18,146,970 km (0.044 R)
• M16: 18,563,450 km (0.101 R)
• M17: 18,986,513 km (0.103 R)
• M18: 19,924,940 km (0.091 R)
• M19: 20,742,942 km (0.077 R)
• M20: 25,691,041 km (0.049 R)
• M21: 26,659,986 km (0.092 R)
• M22: 27,470,807 km (0.089 R)
• M23: 27,928,277 km (0.116 R)
• M24: 30,977,829 km (0.062 R)
• M25: 35,740,577 km (0.063 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 19,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit